• , Electrical Engineering, Indian Institute of Technology, 1976
• Ph D, Electrical & Computer Engineering, University of Massachusetts, 1988

Journal Articles

Ram M Narayanan, Tod M Schuck and Terell L Dale, 2026, "Labeled RFS Filter Improvements Using Measurements of Doppler Frequency", IEEE Transactions on Radar Systems, 4, pp. 1282–1290

Ram M Narayanan, Jackson S Zaunegger, Muralidhar Rangaswamy and Paul G Singerman, 2025, "RadarTD: A Radar Text Dataset for Multi-Parameter Optimization", Natural Language Processing Journal, 12, pp. 1-13

Ram M Narayanan, Benjamin D Simone, Kyle A Gallagher, Daniel K Watson and Karl M Reichard, 2025, "Micro-Doppler Signal Features of Idling Vehicle Vibrations: Dependence on Gear Engagements and Occupancy", Signals, 6, (3), pp. 35

Ram M Narayanan, Ziheng Fu, Swagato Mukherjee, Michael T Lanagan, Prasenjit Mitra and Tarun Chawla, 2025, "Transfer Learning and Double U-Net Empowered Propagation Model for Complex Indoor Environments", IEEE Transactions on Antennas and Propagation, 73, (7), pp. 4814-4828

Ram M Narayanan, Nicholas R Munson, Bill Correll and Travis D Bufler, 2025, "Experimental Test of a Continuous Wave Frequency Diverse Array Doppler Radar", Applied Sciences, 15, (13), pp. 27

Ram M Narayanan, Jackson S Zaunegger, Paul G Singerman and Muralidhar Rangaswamy, 2025, "Emerging Trends in Radar: Natural Language Processing", IEEE Aerospace and Electronic Systems Magazine, 40, (6), pp. 122-126

Ram M Narayanan, Luke Rosenberg and Antonio De Maio, 2025, "From the Editors of the Special Issue on Emerging Trends in Radar", IEEE Aerospace and Electronic Systems Magazine, 40, (6), pp. 10-13

Ram M Narayanan, Michael V Lipski and Sastry Kompella, 2025, "Gradient-Based Optimization of Coherent Distributed Arrays", IEEE Sensors Journal, 25, (4), pp. 7417-7430

Ram M Narayanan and Malek G. Hussain, 2025, "Radar Ambiguity Functions of Binary-Coded and Frequency-Hopped Waveforms Designed Based on the Permutations of Sudoku Matrix", IEEE Transactions on Aerospace and Electronic Systems, 61, (1), pp. 669-683

Ram M Narayanan, Bong-seok Kim, Youngseok Jin, Jonghun Lee and Sangdong Kim, 2025, "Super-Resolution Angle Estimation Algorithm using Low Complexity MUSIC-Based RELAX for MIMO FMCW Radar", Journal of Electromagnetic Engineering and Science, 25, (1), pp. 41-53

Ram M Narayanan and Justin K.A. Henry, 2025, "Passive Radar-Based Parameter Estimation of Low Earth Orbit Debris Targets", Aerospace, 12, (1), pp. 53

Ram M Narayanan and Marc D Navagato, 2025, "Image Enhancement Methods for Inspection of Planar and Non-Planar FRP Structures Using A Noise-Based Microwave NDT Inspection System", NDT and E International, 149, pp. 10

Ram M Narayanan, Nicholas R Munson, Bill Correll, Travis D Bufler and Justin K.A. Henry, 2025, "Design and Implementation of a Binary Phase-Shift Keying Frequency Diverse Array: Considerations and Challenges", Sensors, 25, (1), pp. 17

Ram M Narayanan, Frederick M Chache, Sean Maxon and Ramesh Bharadwaj, 2024, "Age of Information Aware Networks for Low Power IoT Sensor Applications", IoT, 5, (4), pp. 816-834

Ram M Narayanan, Frederick M Chache, Sean Maxon and Ramesh Bharadwaj, 2024, "Effects on Age of Information from Forward Error Correction in LoRa Transmissions", IEEE Sensors Journal, 24, (19), pp. 30853-30862

Ram M Narayanan and Matthew P Singman, 2024, "Applying Machine Learning to Adaptive Array Signal Processing Weight Generation", IEEE Transactions on Aerospace and Electronic Systems, 60, (4), pp. 4952-4962

Ram M Narayanan, Jordan A DeVault and Anthony F Martone, 2024, "TDD Mode Identification for Spectrum Sharing Applications", IEEE Transactions on Aerospace and Electronic Systems, 60, (4), pp. 5130-5138

Ram M Narayanan, Caden J Pici, Asok Ray and Sastry Kompella, 2024, "Data-Driven Approach to Modeling Sea Clutter Stochastic Differential Equations", IEEE Transactions on Aerospace and Electronic Systems, 60, (4), pp. 5312-5321

Ram M Narayanan and Ferris I Arnous, 2024, "Radar Spectrum-Image Fusion using Dual 2D-3D Convolutional Neural Network to Transformer Inspired Multi-Headed Self-Attention Bi-Long Short-Term Memory Network for Vehicle Recognition", Journal of Electronic Imaging, 33, (4), pp. 38

Ram M Narayanan, Paul G Singerman, Sean M O'Rourke, Asok Ray and Muralidhar Rangaswamy, 2024, "Symbolic Dynamics for Radar Target Maneuver Detection with High Data Rates", IEEE Transactions on Aerospace and Electronic Systems, 60, (2), pp. 1647-1659

Ram M Narayanan, Lindsey A Bowman, Timothy J Kane, Eliza S Bradley and Matthew S Baran, 2023, "Vehicle Detection and Attribution from a Multi-Sensor Dataset using a Rule-Based Approach Combined with Data Fusion", Sensors, 23, (21), pp. 21

Ram M Narayanan, Jacob A Kovarskiy, Anthony F Martone and Kelly D Sherbondy, 2023, "Restless Bandits for Metacognitive Spectrum Sharing with Software Defined Radar", IEEE Transactions on Radar Systems, 1, pp. 401-412

Ram M Narayanan, Bilal A Al Ardat, Jennifer E Nyland, Robert A Creath, Terrence E Murphy and Cayce A Onks, 2023, "Micro-Doppler Radar to Identify Risk for Musculoskeletal Injury: A Protocol for a Case-Control Study and Gold Standard Comparison", PLoS One, 18, (10), pp. 11

Ram M Narayanan, Colin D Kelly, Traian V Dogaru, Kyle A Gallagher, Calvin D Le and Brian R Phelan, 2023, "Clutter and Ambiguity Reduction Using 3-Dimensional Side-Looking Synthetic Aperture Radar", Progress in Electromagnetics Research B, 102, pp. 115-130

Ram M Narayanan, Tyler D Ridder, Anthony F Martone and Benjamin H Kirk, 2023, "Multiple-Criteria Operational Reliability Performance Metric of a Metacognitive Tracking Radar", IEEE Transactions on Aerospace and Electronic Systems, 59, (4), pp. 4689-4699

Ram M Narayanan, Benjamin H Kirk, Anthony F Martone, Kelly D Sherbondy and Kyle A Gallagher, 2023, "Mitigation of Clutter Modulation in Cognitive Radar for Spectrum Sharing Applications", IEEE Transactions on Radar Systems, 1, pp. 194-203

Ram M Narayanan, Bryan Tsang and Ramesh Bharadwaj, 2023, "Classification and Discrimination of Birds and Small Drones using Radar Micro-Doppler Spectrogram Images", Signals, 4, (2), pp. 337-358

Ram M Narayanan, Rory A Bowell, Matthew J Brandsema, Stephen W Howell and Jonathan M Dilger, 2023, "Tripartite Correlations in Quantum Radar and Communication Systems", Progress in Electromagnetics Research M, 115, pp. 83-92

Ram M Narayanan, Noah S Wood and Benjamin P Lewis, 2023, "Assessment of Various Multimodal Fusion Approaches using Synthetic Aperture Radar (SAR) and Electro-Optical (EO) Imagery for Vehicle Classification via Neural Networks", Sensors, 23, (4), pp. 30

Ram M Narayanan, Caden J Pici and Sastry Kompella, 2023, "Radar Target Classification Receiver Using Sparse Regression and Target Tailored Matched Filters", IEEE Transactions on Aerospace and Electronic Systems, 59, (1), pp. 184-195

Ram M Narayanan, Richard L Washington, Dmitriy Garmatyuk and Saba Mudaliar, 2022, "Many-Objective RadarCom Signal Design via NSGA-II Genetic Algorithm Implementation and Simulation Analysis", Remote Sensing, 14, (15), pp. 9

Ram M Narayanan, Zacharie Idriss and Raghu G Raj, 2022, "A Computational Electromagnetics and Sparsity Based Feature Extraction Approach to Ground Penetrating Radar Imaging", IEEE Transactions on Geoscience and Remote Sensing, 60, pp. 15

Ram M Narayanan, Rory A Bowell, Matthew J Brandsema, Stephen W Howell and Jonathan M Dilger, 2022, "Comparison of Correlation Performance for Various Measurement Schemes in Quantum Bipartite Radar and Communication Systems", Progress in Electromagnetics Research, 174, pp. 43-53

Ram M Narayanan, Donald L Hall and Matthew J Brandsema, 2022, "Derivation of K-Factor Detection Statistics to Discriminate between LOS and NLOS Scenarios", IEEE Transactions on Wireless Communications, 21, (4), pp. 2668-2679

Ram M Narayanan, Ferris I Arnous and Bing C Li, 2022, "Application of Multidomain Sensor Image Fusion and Training Data Augmentation for Enhanced CNN Image Classification", Journal of Electronic Imaging, 31, (1), pp. 24

Ram M Narayanan and Francesco Fioranelli, 2022, "Through-Wall Sensing, Signal and Image Processing", Measurement Science and Technology, 33, (1), pp. 31-33

Ram M Narayanan, Paul G Singerman, Sean M O'Rourke and Muralidhar Rangaswamy, 2021, "Language-Based Cost Functions: Another Step Towards Cognitive Radar", IEEE Transactions on Aerospace and Electronic Systems, 57, (6), pp. 3827-3843

Ram M Narayanan, Michael J Harner, John R Jendzurski and Nicholas G Paulter, 2021, "Analysis of a Dynamic Calibration Target for Through-Wall and Through-Rubble Motion Sensing Doppler Radar", Instruments, 5, (4), pp. 16

Ram M Narayanan, Anthony F Martone, Jonathan W Owen, G Brandon Ravenscroft, Benjamin K Kirk, Jacob A Kovarskiy, Charles E Thornton, Austin Egbert, Adam Goad, Shannon D Blunt, R Michael Buehrer, Charles Baylis and Kelly D Sherbondy, 2021, "Closing the Loop on Cognitive Radar for Spectrum Sharing", IEEE Aerospace and Electronic Systems Magazine, 36, (9), pp. 44-55

Ram M Narayanan and Tyler D Ridder, 2021, "Radar Detection Performability under Graceful Degradation", International Journal of Performability Engineering, 17, (8), pp. 666-675

Ram M Narayanan, Zacharie Idriss and Raghu G Raj, 2021, "Waveform Optimization for Multistatic Radar Imaging using Mutual Information", IEEE Transactions on Aerospace and Electronic Systems, 57, (4), pp. 2410–2425

Ram M Narayanan and Joseph C O'Donnell, 2021, "Salt Water Exposure Effects on Single-Layer, Unidirectional Carbon-Fiber Reinforced Polymer Circuit Analog Absorbers", Progress in Electromagnetics Research B, 93, pp. 47-65

Ram M Narayanan, Raghu G Raj and Maxine R Fox, 2021, "Target Classification in Synthetic Aperture Radar Images using Quantized Wavelet Scattering Networks", Sensors, 21, (15), pp. 21

Ram M Narayanan and Clark F. Handel, 2021, "Vehicle Length Estimation using an LTE Radio Transmitter Combined with a Software Defined Receiver", IEEE Sensors Letters, 5, (6), pp. Article Sequence Number 3500704

Ram M Narayanan and Tyler D Ridder, 2021, "Operational Reliability Metric to Characterize Radar Detection Performability", International Journal of Performability Engineering, 14, (4), pp. 354-363

Ram M Narayanan, Michael V Lipski and Sastry Kompella, 2021, "Practical Implementation of Adaptive Threshold Energy Detection using Software Defined Radio", IEEE Transactions on Aerospace and Electronic Systems, 57, (2), pp. 1227–1241

Ram M Narayanan, Cayce Onks, Donald Hall, Tyler Ridder, Zacharie Idriss and Joseph Andrie, 2021, "The Accuracy and Predictability of Micro Doppler Radar Signature Projection Algorithm Measuring Functional Movement in NCAA Athletes", Gait and Posture, 85, pp. 96–102

Ram M Narayanan, Benjamin H Kirk, Jacob A Kovarskiy, Anthony F Martone and Kelly D Sherbondy, 2021, "Evaluation of Real-time Predictive Spectrum Sharing for Cognitive Radar", IEEE Transactions on Aerospace and Electronic Systems, 57, (1), pp. 690–705

Ram M Narayanan, Andrew Z Liu and Muralidhar Rangaswamy, 2020, "An Information Elasticity Framework for the Adaptive Matched Filter", IEEE Transactions on Aerospace and Electronic Systems, 56, (6), pp. 4916–4929

Ram M Narayanan and Joseph C O'Donnell, 2020, "Impact Damage Characterization for Varying Areal-Weight Unidirectional Carbon Fiber-Reinforced Polymer Circuit-Analog Absorbers", Composites Part B: Engineering, 202, pp. 11

Ram Narayanan, Matthew J Brandsema and Marco Lanzagorta, 2020, "Equivalence of Classical and Quantum Electromagnetic Scattering in the Far Field Regime", IEEE Aerospace and Electronic Systems Magazine, 35, (4), pp. 58–73

Ram Narayanan, Sean A Kaiser and Andrew J Christianson, 2019, "Multistatic Doppler Estimation using Global Positioning System Passive Coherent Location", IEEE Transactions on Aerospace and Electronic Systems, 55, (6), pp. 2978–2991

Ram M Narayanan, Benjamin H Kirk, Anthony F Martone and Kelly D Sherbondy, 2019, "Mitigation of Target Distortion in Pulse Agile Sensors via Richardson-Lucy Deconvolution", Electronics Letters, 55, (23), pp. 1249-1252

Ram M Narayanan, Donald L Hall and David M Jenkins, 2019, "SDR Based Indoor Beacon Localization Using 3D Probabilistic Multipath Exploitation and Deep Learning", Electronics, 8, (11), pp. 22

Ram M Narayanan and Huiyuan Zhou, 2019, "A Dual-Mesh Microwave Reconstruction Method Based on Compressive Sampling Matching Pursuit Algorithm", Progress in Electromagnetics Research B, 166, pp. 43-57

Ram M Narayanan, Joshua M Allebach and Braham Himed, 2019, "Comparison of Noise and Chirp Waveforms for Radar Target Detection in Clutter", IET Radar, Sonar & Navigation, 13, (8), pp. 1333-1343

Ram M Narayanan, Benjamin H Kirk, Kyle A Gallagher, Anthony F Martone and Kelly D Sherbondy, 2019, "Avoidance of Time-Varying Radio Frequency Interference with Software Defined Cognitive Radar", IEEE Transactions on Aerospace and Electronic Systems, 55, (3), pp. 1090-1107

Ram M Narayanan and Marc D Navagato, 2019, "Microwave Imaging of Multilayered Structures using Ultrawideband Noise Signals", NDT and E International, 104, pp. 19-33

Ram M Narayanan, Elliot J Riley and Kevin L Koudela, 2019, "Characterization of the Electromagnetic Parameter Uncertainty in Single-Ply Unidirectional Carbon-Fiber-Reinforced-Polymer Laminas", Composites Part B: Engineering, 162, pp. 361-368

Ram M Narayanan and Huiyuan Zhou, 2019, "Microwave Imaging of Non-sparse Object Using Dual-Mesh Method and Iterative Method with Adaptive Thresholding", IEEE Transactions on Antennas and Propagation, 67, (1), pp. 504-512

Ram M Narayanan, Donald L Hall, Erik H Lenzing and David M Jenkins, 2018, "Passive Vector Sensing for Non-Cooperative Emitter Localization in Indoor Environments", Electronics, 7, (12), pp. Article 442

Ram M Narayanan, Elliot J Riley and Erik H Lenzing, 2018, "Application of Unidirectional Carbon-Fiber-Reinforced-Polymer Laminas in Circuit-Analog Absorbers", IEEE Transactions on Electromagnetic Compatibility, 60, (6), pp. 1743-1751

Ram M Narayanan and Tae Hee Kim, 2018, "Multilayer Structural Diagnosis with Quasi-3D Microwave Imaging using Ultrawideband Radio Frequency Noiselet Waveforms", Progress in Electromagnetics Research B, 82, pp. 73-92

Ram M Narayanan, Timothy J Kane, Terence F Rice and Michael J Tauber, 2018, "Considerations and Framework for Foveated Imaging Systems", Photonics, 5, (3), pp. Article 18

Ram M Narayanan, Andrew Z Liu, Paul G Singerman and Muralidhar Rangaswamy, 2018, "Information Elasticity in Radar Systems", Electronics Letters, 54, (17), pp. 1049–1051

Ram M Narayanan, Kyle A Gallagher, Gregory J Mazzaro, Anthony F Martone and Kelly D Sherbondy, 2018, "Hardware Design of a High Dynamic Range Radio Frequency (RF) Harmonic Measurement System", Instruments, 2, (3), pp. Article 16

Ram M Narayanan and Tae Hee Kim, 2018, "Wideband Radio Frequency Noiselet Waveforms for Multiresolution Nondestructive Testing of Multilayered Structures", Progress in Electromagnetics Research B, 81, pp. 1-23

Ram M Narayanan, Elliot J Riley and Erik H Lenzing, 2018, "X-Band Circuit-Analog Absorbers using Unidirectional Carbon-Fiber Laminas", IEEE Antennas and Wave Propagation Letters, 17, (6), pp. 1060-1063

Ram M Narayanan, Richard K Pooler, Anthony F Martone, Kyle A Gallagher and Kelly D Sherbondy, 2018, "The Spectrum Analysis Solution (SAS) System: Theoretical Analysis, Hardware Design and Implementation", Sensors, 18, (2), pp. Article 652

Ram M Narayanan and Robin James, 2018, "Microwave Nondestructive Testing of Galvanic Corrosion and Impact Damage in Carbon Fiber Reinforced Polymer Composites", International Journal of Microwaves Applications, 7, (1), pp. 1-15

Ram M Narayanan, Evan T Gebhardt and Sean P Broderick, 2017, "Through-Wall Single and Multiple Target Imaging using MIMO Radar", Electronics, 6, (4), pp. Article 70

Ram M Narayanan, Sean A Kaiser and Andrew J Christianson, 2017, "Global Positioning System Processing Methods for GPS Passive Coherent Location", IET Radar, Sonar & Navigation, 11, (9), pp. 1406-1416

Ram M Narayanan, Brian R Phelan, Kenneth I Ranney, Kyle A Gallagher, Kelly D Sherbondy and John T Clark, 2017, "Design of Ultra-Wideband Stepped-Frequency Radar for Imaging of Buried/Concealed Targets", IEEE Sensors Journal, 17, (14), pp. 4435-4446

Ram M Narayanan, Gregory J Mazzaro, Anthony F Martone and Kenneth I Ranney, 2017, "Nonlinear Radar for Finding RF Electronics: System Design and Recent Advancements", IEEE Transactions on Microwave Theory and Techniques, 65, (5), pp. 1716-1726

Ram M Narayanan, Kyle A Gallagher, Gregory J Mazzaro, Anthony F Martone and Kelly D Sherbondy, 2017, "Static and Moving Target Imaging using Harmonic Radar", Electronics, 6, (2), pp. 20

Ram M Narayanan, Matthew J Brandsema and Marco Lanzagorta, 2017, "The Effect of Polarization on the Quantum Radar Cross Section Response", IEEE Journal of Quantum Electronics, 53, (2), pp. Article Sequence Number 9200109

Ram M Narayanan, Travis D Bufler and Kelly D Sherbondy, 2017, "Sudoku Inspired Designs for Radar Waveforms and Antenna Arrays", Electronics, 6, (1), pp. Article 13

Ram M Narayanan, Matthew J Brandsema and Marco Lanzagorta, 2017, "Cross Section Equivalence between Photons and Non-Relativistic Massive Particles for Targets with Complex Geometries", Progress in Electromagnetics Research M, 54, pp. 37-47

Ram M Narayanan, Scott A Wilson and Murali Rangaswamy, 2017, "Sparsely Sampled Wideband Radar Holographic Imaging for Detection of Concealed Objects", Progress in Electromagnetics Research B, 72, pp. 67–93

Ram M Narayanan, Matthew J Brandsema and Marco Lanzagorta, 2017, "Theoretical and Computational Analysis of the Quantum Radar Cross Section for Simple Geometrical Targets", Quantum Information Processing, 16, (1), pp. Article 32

Ram M Narayanan and Travis D Bufler, 2016, "Radar Classification of Indoor Targets using Support Vector Machines", IET Radar, Sonar & Navigation, 10, (8), pp. 1468–1476

Ram M Narayanan, 2016, "Sources and Reduction of Noise in Circuits and Systems", IETE Journal of Education, 57, (2), pp. 73-89

Ram M Narayanan and Dustin P Fairchild, 2016, "Multistatic Micro-Doppler Radar for Determining Target Orientation and Activity Classification", IEEE Transactions on Aerospace and Electronic Systems, 52, (1), pp. 512–521

Ram M Narayanan, Hee Jung Shin, Mark A Asmuth and Muralidhar Rangaswamy, 2016, "Ultrawideband Noise Radar Tomography: Principles, Simulation, and Experimental Validation", International Journal of Microwave Science and Technology, 2016, pp. 21

Ram M Narayanan and Matthew Zenaldin, 2015, "Radar Micro-Doppler Signatures of Various Human Activities", IET Radar, Sonar & Navigation, 9, (9), pp. 1205-1215

Ram M Narayanan, David Tahmoush, Hao Ling, Ljubiša Stankovic and Thayananthan Thayaparan, 2015, "Current Research in Micro-Doppler: Editorial for the Special Issue on Micro-Doppler", IET Radar, Sonar & Navigation, 9, (9), pp. 1137-1139

Ram M Narayanan, Anthony F Martone, Kyle A Gallagher, Kelly D Sherbondy, Kenneth I Ranney, Traian V Dogaru and Gregory J Mazzaro, 2015, "Adaptable Bandwidth for Harmonic Step-Frequency Radar", International Journal of Antennas and Propagation, 2015, pp. 1-15

Ram M Narayanan, Rohit Chandra, Huiyuan Zhou and Ilangko Balasingham, 2015, "On the Opportunities and Challenges in Microwave Medical Sensing and Imaging", IEEE Transactions on Biomedical Engineering, 62, (7), pp. 1667-1682

Ram M Narayanan, Kyle A Gallagher, Brian R Phelan and Kelly D Sherbondy, 2015, "Performance Analysis of Forward-Looking GPR Ultra-wideband Antennas for Buried Object Detection", First Break, 33, (6), pp. 51-59

Ram M Narayanan, Brian R Phelan and Erik H Lenzing, 2015, "Source Geolocation in Urban Environments using Multipath Fingerprinting", International Journal of Antennas and Propagation, 2015, pp. 1-21

Ram M Narayanan, Fauzia Ahmad and Dominique Schreurs, 2015, "Special Issue Guest Editorial: Application of Radar to Remote Patient Monitoring and Eldercare", IET Radar, Sonar & Navigation, 9, (2), pp. 115-115

Ram M Narayanan, Travis D Bufler and Traian V Dogaru, 2015, "Radar Signatures of Furniture Elements", IEEE Transactions on Aerospace and Electronic Systems, 51, (1), pp. 521-535

Ram M Narayanan, Mahesh C. Shastry and Muralidhar Rangaswamy, 2015, "Sparsity-Based Signal Processing for Noise Radar Imaging", IEEE Transactions on Aerospace and Electronic Systems, 51, (1), pp. 314-325

Ram M Narayanan, B R Phelan, K A Gallagher, K D Sherbondy and K I Ranney, 2014, "Development and Performance of an Ultrawideband Stepped-Frequency Radar for Landmine and IED Detection", Sensing and Imaging, 15, (1), pp. 12

Ram M Narayanan and D P Fairchild, 2014, "Classification of Human Motions Using Empirical Mode Decomposition of Human Micro-Doppler Signatures", IET Radar, Sonar and Navigation, 8, (5), pp. 425-434

Ram M Narayanan, 2014, "Consider Graduate School", IEEE Potentials, 33, (3), pp. 10-12 & 22

Ram M Narayanan, S Smith and K A Gallagher, 2014, "A Multi-Frequency Radar System for Detecting Humans and Characterizing Human Activities for Short-Range Through-Wall and Long-Range Foliage Penetration Applications", International Journal of Microwave Science and Technology, 2014, pp. 21

Ram M Narayanan and M S Huang, 2014, "Trilateration-Based Localization Algorithm using the Lemoine Point Formulation", IETE Journal of Research, 60, (1), pp. 60-73

Ram M Narayanan, H J Shin and M Rangaswamy, 2014, "Ultrawideband Noise Radar Imaging of Impenetrable Cylindrical Objects using Diffraction Tomography", International Journal of Microwave Science and Technology, 2014, pp. 22

Ram M Narayanan, Y. Kwon and M. Rangaswamy, 2013, "Multi-Target Detection using Total Correlation for Noise Radar Systems", IEEE Transactions on Aerospace and Electronic Systems, 49, (2), pp. 1251-1262

Ram M Narayanan, M. S. Huang, Y. Zhang and A. Feinberg, 2013, "Tracking of Non-Cooperative Multiple Airborne Targets using ADS-B Signal and Radar Sensing", International Journal of Aerospace Engineering, 2013, pp. 12

Ram M Narayanan, S. C. Surender and C. R. Das, 2013, "Cross-layered Resource Allocation in UWB Noise-OFDM-Based Ad Hoc Surveillance Networks", EURASIP Journal on Wireless Communications and Networking, 2013, pp. 24

Ram M Narayanan, Y. Kwon and M. Rangaswamy, 2013, "Target Detection and Reconstruction for Compressive Multiple-Input, Multiple-Output Ultra-Wideband Noise Radar Imaging", Journal of Electronic Imaging, 22, (2), pp. 16

Ram M Narayanan, M. C. Shastry and M. Rangaswamy, 2013, "Waveform Design for Compressively Sampled Ultrawideband Radar", Journal of Electronic Imaging, 22, (2), pp. 11

Ram M Narayanan, S. S. Bhat and M. Rangaswamy, 2013, "Bandwidth Sharing and Scheduling for Multimodal Radar with Communications and Tracking", IETE Journal of Research, 59, (5), pp. 551-562

Ram M Narayanan, 2013, "Putting Your Best Foot Forward: Applying for a Faculty Position", IEEE Potentials, 32, (3), pp. 22-25

Ram M Narayanan, F. Ahmad, G. Arce and D. Pados, 2013, "Special Section Guest Editorial: Compressive Sensing for Imaging", Journal of Electronic Imaging, 22, (2), pp. 2

Ram M Narayanan, Y. Zhang and S. Wang, 2012, "Fast Threat Detection and Localization using Super-Regenerative Transceiver in Random Noise Radar", IEEE Transactions on Aerospace and Electronic Systems, 48, (4), pp. 3620-3636

Ram M Narayanan, P. H. Chen, M. C. Shastry and C. P. Lai, 2012, "A Portable Real-time Digital Noise Radar System for Through-the-Wall Imaging", IEEE Transactions on Geoscience and Remote Sensing, 50, (10), pp. 4123-4134

Ram M Narayanan, 2012, "Ultra-Wide-Band Noise Radar Systems", SPIE Newsroom, pp. 3

Ram M Narayanan, S. S. Bhat and M. Rangaswamy, 2012, "Design, Performance, and Optimization for Multimodal Radar Operation", Sensors, 12, (9), pp. 12673-12693

Ram M Narayanan and P. H. Chen, 2012, "Shifted Pixel Method for Through-Wall Radar Imaging", IEEE Transactions on Antennas and Propagation, 60, (8), pp. 3706-3716

Ram M Narayanan and W. J. Chen, 2012, "GLRT plus TDL Beamforming for Ultrawideband MIMO Noise Radar", IEEE Transactions on Aerospace and Electronic Systems, 48, (3), pp. 1858-1869

Ram M Narayanan and S. C. Small, 2012, "The National Small Arms Center: Opportunities for Academe, Industry, and Government", AMMTIAC WSTIAC Journal, 1, (1), pp. 16-18

Ram M Narayanan and S. Papson, 2012, "Classification via the Shadow Region in SAR Imagery", IEEE Transactions on Aerospace and Electronic Systems, 48, (2), pp. 969-980

Ram M Narayanan and J. Chuang, 2012, "Performance of Non-Polarized Noise Modulated Communications System in the Presence of Interference", Wireless Personal Communications, 65, (4), pp. 773-796

Ram M Narayanan, 2012, "Comparison of the Estimation Performance of Coherent and Non-Coherent Ambiguity Functions for an Ultrawideband Multi-Input-Multi-Output Noise Radar", IET Radar, Sonar and Navigation, 6, (1), pp. 49-59

Ram M Narayanan and R. S. Adve, 2012, "Application Guidelines for Graduate Schools in the United States and Canada", IETE Journal of Education, 53, (2), pp. 97-103

Ram M Narayanan and Q. Pan, 2011, "Design of a Covert RFID Tag Network for Target Discovery and Target Information Routing", Sensors, 11, (10), pp. 9242-9259

Ram M Narayanan and S. C. Surender, 2011, "UWB Noise-OFDM Netted Radar: Physical Layer Design and Analysis", IEEE Transactions on Aerospace and Electronic Systems, 47, (2), pp. 1380-1400

Ram M Narayanan and Q. Pan, 2011, "Delay-Modulated RF Tag System using Ultrawideband Noise Radar Waveforms", International Journal of Distributed Sensor Networks, 2011, pp. 16

Ram M Narayanan and W. J. Chen, 2011, "Antenna Placement for Minimizing Target Localization Error in Ultrawideband MIMO Noise Radar", IEEE Antennas and Wireless Propagation Letters, 10, pp. 135-138

Ram M Narayanan and S. C. Small, 2011, "The National Small Center (NSAC) - Opportunities for Academe, Industry and Government", JSSAP Jottings, 7, (1), pp. 1-4

Ram M Narayanan, 2011, "Portable Digital Noise Radar Systems for Wall Penetration Applications", JSSAP Jottings, 7, (1), pp. 10-13

Ram M Narayanan and P. H. Chen, 2010, "Design of Active Circulators Using High-Speed Operational Amplifiers", IEEE Microwave and Wireless Components Letters, 20, (10), pp. 575-577

Ram M Narayanan and C. P. Lai, 2010, "Ultrawideband Random Noise Radar Design for Through-Wall Surveillance", IEEE Transactions on Aerospace and Electronic Systems, 46, (4), pp. 1716-1730

Ram M Narayanan, H. Wang, Z. O. Zhou, T. J. Li and L. J. Kong, 2010, "Micro-Doppler Character Analysis of Moving Objects Using Through-Wall Radar Based on Improved EEMD", Journal of Electronics & Information Technology, 32, (6), pp. 1355-1360

Ram M Narayanan, M. C. Shastry, P. H. Chen and M. Levi, 2010, "Through-the-Wall Detection of Stationary Human Targets Using Doppler Radar", Progress in Electromagnetics Research B, 20, pp. 147-166

Ram M Narayanan, K. M. Mohan and J. Chuang, 2009, "Propagation Effects on Noise Modulated Randomly Polarized Ultrawideband Communications Systems", IETE Technical Review, 26, (4), pp. 303-308

Ram M Narayanan, H. Wang and Z. O. Zhou, 2009, "Through-Wall Imaging of Moving Targets using UWB Random Noise Radar", IEEE Antennas and Wireless Propagation Letters, 8, pp. 802-805

Ram M Narayanan, Y. J. Ren, C. P. Lai and P. H. Chen, 2009, "Compact Ultra-Wideband UHF Array Antenna for Through-Wall Radar Applications", IEEE Antennas and Wireless Propagation Letters, 8, pp. 1302-1305

Ram M Narayanan and Z. Li, 2008, "Manoeuvring Target Motion Parameter Estimation for ISAR Image Fusion", IET Signal Processing, 2, (3), pp. 325-334

Ram M Narayanan, 2008, "Through Wall Radar Imaging Using UWB Noise Waveforms", Journal of the Franklin Institute, 345, (6), pp. 659-678

Ram M Narayanan, C. P. Lai, Q. Ruan and A. Davydov, 2008, "Hilbert-Huang Transform (HHT) Analysis of Human Activities Using Through-Wall Noise and Noise-Like Radar", IET Radar, Sonar, and Navigation, 2, (4), pp. 244-255

Ram M Narayanan, Z. Li and S. Papson, 2008, "Data Level Fusion of Multi-look Inverse Synthetic Aperture Radar (ISAR) Images", IEEE Transactions on Geoscience and Remote Sensing, 46, (5), pp. 1394-1406

Ram M Narayanan, J. Chuang and M. W. DeMay, 2008, "Design, Analysis, and Performance of a Noise Modulated Covert Communications System", EURASIP Journal on Wireless Communications and Networking, 2008

Ram M Narayanan and S. Papson, 2008, "Persistence Modeling of Angularly Dependent Synthetic Aperture Radar Imagery", Journal of Electronic Imaging, 17, (3)

Ram M Narayanan and J. Chuang, 2007, "Covert Communications Using Heterodyne Correlation Random Noise Signals", Electronics Letters, 43, (22), pp. 1211-1212

Ram M Narayanan and Z. Li, 2006, "Doppler Visibility of Coherent Ultrawideband Random Noise Radar Systems", IEEE Transactions on Aerospace and Electronic Systems, 42, (3), pp. 904-916

Ram M Narayanan and Y. Zhang, 2006, "Monopulse Radar based on Spatiotemporal Correlation of Stochastic Signals", IEEE Transactions on Aerospace and Electronic Systems, 42, (1), pp. 160-173

Ram M Narayanan, S. Kim, K. H. Wagner and W. Zhou, 2005, "Broadband Polarization Interferometric Time-Integrating Acousto-Optic Correlator for Random Noise Radar", Optical Engineering, 40, (10), pp. 11

Ram M Narayanan, S. Tan and S. K. Shetty, 2005, "Polarized Lidar Reflectance Measurements of Vegetation at Near-Infrared and Green Wavelengths", International Journal of Infrared and Millimeter Waves, 26, (8), pp. 1175-1194

Ram M Narayanan and X. Xu, 2005, "Enhanced Resolution in SAR/ISAR Imaging Using Iterative Sidelobe Apodization", IEEE Transactions on Image Processing, 14, (4), pp. 537-547

Ram M Narayanan and C. Kumru, 2005, "Implementation of Fully Polarimetric Random Noise Radar", IEEE Antennas and Wireless Propagation Letters, 4, pp. 125-128

Ram M Narayanan, Y. Huang and G. R. Kadambi, 2005, "Equivalent Circuit for Antenna-Cavity Coupling in Wheeler's Cap Technique", Electromagnetics, 25, (2), pp. 115-131

Conference Proceedings

Ram M Narayanan, Youngmin Kim and Muralidhar Rangaswamy, 2026, "Information Elasticity-Based Analysis of Radar-Camera Fusion for Semantic Segmentation", SPIE, Bellingham, WA, United States, 14049

Ram M Narayanan, Michael F Yankello and Kyle A Gallagher, 2026, "Development of Wide-Band Nonlinear Harmonic Radar", SPIE, Bellingham, WA, United States, 14039

Ram M Narayanan, Peter N Doichinov and Ambrose Kam, 2026, "An Information Elasticity Framework for Sensor Fusion", SPIE, Bellingham, WA, United States, 14049

Ram M Narayanan, Sahithya Kattamuri and Balakrishnan Shankar, 2026, "Micro-Doppler Signature Analysis for Precision Aerial Target Detection and Classification", SPIE, Bellingham, WA, United States, 14039

Ram M Narayanan, Saurav Roy, K J Vinoy and Ziheng Fu, 2025, "Constellation Prediction for Reconfigurable Metasurface-Inspired Media-Based Modulation Using Residual Neural Networks", IEEE, Piscataway, NJ, United States, pp. 1-4

Ram M Narayanan, Peter Doichinov and Ambrose Kam, 2025, "Analysis of Fog Node Placement Algorithms using Information Elasticity", ACM, New York, NY, United States, pp. 399-400

Ram M Narayanan, Terell L Dale and Tod M Schuck, 2025, "Radar Yolo: Resolving Radar Ambiguities with a Tracker", IEEE, Piscataway, NJ, United States, pp. 1-6

Ram M Narayanan, Connor W Gaffney and David M Jenkins, 2025, "An Efficient Synchronization Method Robust to the Effects of Wideband Doppler", IEEE, Piscataway, NJ, United States, pp. 1-5

Ram M Narayanan, Nikolas Mizdail, Anthony F Martone and David M McNamara, 2025, "Toward Reinforcement Learning-Based Filter Switching for Radar Target Tracking", IEEE, Piscataway, NJ, United States, pp. 1-7

Ram M Narayanan, Eric Lawson, Anthony F Martone and David M McNamara, 2025, "Decentralized Coalition-Forming Radar Tracking Network Using the Overmind Framework", IEEE, Piscataway, NJ, United States, pp. 1-7

Ram M Narayanan and Justin K.A. Henry, 2025, "Single-Receiver Target Detection and Localization of Space Objects", IEEE, Piscataway, NJ, United States, pp. 462-465

Ram M Narayanan, Cunhao Zeng and Cayce A Onks, 2025, "Extending Radar Micro-Doppler Analysis to Various Types of Gait Abnormalities", SPIE, Bellingham, WA, United States, 13471

Ram M Narayanan and Justin K.A. Henry, 2025, "Precise Target Localization with Low-Cost SDR-Based Passive Radar", SPIE, Bellingham, WA, United States, 13471

Ram M Narayanan, Youngmin Kim and Muralidhar Rangaswamy, 2025, "Information Elasticity in Complex Trajectory Target State Estimation using the Particle Filter", SPIE, Bellingham, WA, United States, 13471

Ram M Narayanan, Youngmin Kim and Muralidhar Rangaswamy, 2024, "Large Scale Multispectral Image Dataset Change Detection Based on Self-Supervised Learning with Novel Evaluation Metric", IEEE, Piscataway, NJ, United States, pp. 112-118

Ram M Narayanan, Jackson S Zaunegger, Muralidhar Rangaswamy and Paul G Singerman, 2024, "Optimizing Radar Parameter Values with Language and Genetic Algorithms", IEEE, Piscataway, NJ, United States, pp. 18-24

Ram M Narayanan, Terell L Dale, Tod M Schuck and Dimitri Cugini, 2024, "Multi-Sensor Adaptive Birth for Autonomous Driving Labeled RFS Filters using Doppler Measurements", IEEE, Piscataway, NJ, United States, pp. 68-73

Ram M Narayanan, Bong-seok Kim, Jonghun Lee and Sangdong Kim, 2024, "MIMO Imaging Method with Extrapolation-Iterative Adaptive Approach-Based Super-Resolution Technique for Automotive Radar", IEEE, Piscataway, NJ, United States

Ram M Narayanan, Nicholas R Munson, Bill Correll and Travis D Bufler, 2024, "Experimental Test of a Frequency Diverse Array Radar Target Detection System Using SDRs", IEEE, Piscataway, NJ, United States

Ram M Narayanan, Benjamin D Simone, Daniel K Watson, Kyle A Gallagher and Karl M Reichard, 2024, "Micro-Doppler Radar Characterization of Vehicle Vibrations", SPIE, Bellingham, WA, United States, 13048

Ram M Narayanan, Cunhao Zeng and Cayce A Onks, 2024, "Electromagnetic Modeling and Analysis of Micro-Doppler Characteristics of Simulated Human Limping Gaits", SPIE, Bellingham, WA, United States, 13048

Ram M Narayanan and Justin K.A. Henry, 2024, "Demonstration of the Frequency and Correlation Behavior of a Forward Scatter Baseline Crossing Event", SPIE, Bellingham, WA, United States, 13062

Ram M Narayanan, Jackson S Zaunegger, Paul G Singerman and Muralidhar Rangaswamy, 2024, "Extending language Based Cost Functions with Deep Learning", SPIE, Bellingham, WA, United States, 13048

Ram M Narayanan, Veena Sreekantamurthy and Anthony F Martone, 2024, "Combined Kalman and Kalman-Levy Filter for Maneuvering Target Tracking", SPIE, Bellingham, WA, United States, 13048

Ram M Narayanan, Colin D Kelly, Brian R Phelan and Traian V Dogaru, 2024, "Combining Random Apertures and the Recursive Sidelobe Minimization Algorithm to Reduce Artifacts in Sparse Imaging", SPIE, Bellingham, WA, United States, 13048

Ram M Narayanan, Colin D Kelly, Brian R Phelan and Traian V Dogaru, 2024, "Frequency Center Randomization in the Recursive Sidelobe Minimization Algorithm", SPIE, Bellingham, WA, United States, 13048

Ram M Narayanan, Bong-seok Kim, Jonghun Lee, Sangdong Kim and Youngseok Jin, 2024, "MIMO Imaging Method with Iterative-Based Super-Resolution for Automotive Radar", IEEE, Piscataway, NJ, United States, pp. 13031-13035

Ram M Narayanan, Bong-seok Kim, Jonghun Lee, Sangdong Kim, Tarun Chawla and Greg Skidmore, 2023, "Range-Doppler Imaging Method Based on FFT-MUSIC for FMCW Radar", AMTA, Atlanta, GA, United States, pp. 6

Ram M Narayanan, Ziheng Fu, Swagato Mukherjee, Michael T Lanagan, Prasenjit Mitra and Tarun Chawla, 2023, "A Fast Indoor Coverage Prediction Scheme at 60 GHz Based on Image Processing, Geometrical Optics, and Transport Theory", IEEE, Piscataway, NJ, United States, pp. 1231–1232

Ram M Narayanan, Frederick M Chache, Sean Maxon and Ramesh Bharadwaj, 2023, "Effects of Lossy Compression on the Age of Information in a Low Power Network", IEEE, Piscataway, NJ, USA, pp. 382-387

Ram M Narayanan, Zacharie Idriss and Raghu G Raj, 2023, "A Computational Electromagnetics Framework for a Matched Illumination Approach to Waveform Optimization", IEEE, Piscataway, NJ, United States

Ram M Narayanan, Michael V Lipski and Sastry Kompella, 2023, "A Pattern Shaping Approach for Distributed Collaborative Beamforming", IEEE, Piscataway, NJ, United States

Ram M Narayanan and Ferris I Arnous, 2023, "Multimodal Feature Assessment using Multibranch 3D CNN to BI-LSTM for Feature Level Multi-Polarization SAR Image Data Fusion and Vehicle Identification", SPIE, Bellingham, WA, United States, 12535

Ram M Narayanan, Ferris I Arnous and Puneet Singla, 2023, "Design and Processing of a Self-Mixing Passive Forward Scatter Radar Fence for Space Debris Tracking", SPIE, University Park, United States, 12546

Ram M Narayanan, Jackson S Zaunegger, Paul G Singerman and Muralidhar Rangaswamy, 2023, "Statistical Analysis of Radar Parameters from Published Research", SPIE, Bellingham, WA, United States, 12535

Ram M Narayanan, Veena Sreekantamurthy, Tyler D Ridder and Anthony F Martone, 2023, "A Proposed Concept for Metacognitive Configuration Switching for Tracking Radar Systems", SPIE, Bellingham, WA, United States, 12535

Ram M Narayanan and Nicholas R Munson, 2023, "Sudoku Sequences, Costas Sequences, and Random Permutations in a Multi-Sub-FDA Radar", SPIE, Bellingham, WA, United States, 12535

Ram M Narayanan, Frederick M Chache, Sean Maxon and Ramesh Bharadwaj, 2022, "Improving Quality of Service in a Mesh Network Using Age of Information", IEEE, Piscataway, NJ, USA, pp. 649-654

Ram M Narayanan and Malek G.M. Hussain, 2022, "Sudoku Binary Codes and Signaling Schemes for the Applications of Radar and Wireless Communications", IEEE, Piscataway, NJ, USA, pp. 253-256

Ram M Narayanan, Justin K.A. Henry and Puneet Singla, 2022, "Radar Cross-Section Modeling of Space Debris", Lecture Notes in Computer Science, Springer, Cham, Switzerland, 13984, pp. 81-94

Ram M Narayanan, Ziheng Fu, Swagato Mukherjee, Michael T Lanagan, Prasenjit Mitra and Tarun Chawla, 2022, "Optimization of 5G Infrastructure Deployment through Machine Learning", IEEE, Piscataway, NJ, United States, pp. 1684-1685

Ram M Narayanan, Colin D Kelly, Kyle A Gallagher, Kelly D Sherbondy, Khalid Salik, Traian Dogaru and Brian R Phelan, 2022, "Design and Experimentation of a Dual-Band, Full-Polarization, Side-Looking Synthetic Aperture Radar using an RF System-on-a-Chip", SPIE, Bellingham, WA, United States, 12108

Ram M Narayanan, Noah S Wood and Benjamin P Lewis, 2022, "Fusing SAR and EO imagery using CNN RGB-Input Channels, Feature Level, and Decision Level Fusion", SPIE, Bellingham, WA, United States, 12108

Ram M Narayanan, Mark G Pawelski and Sastry Kompella, 2022, "Analysis of Antenna Array Patterns for Multiple Squad Configurations", SPIE, Bellingham, WA, United States, 12108

Ram M Narayanan, Bryan Tsang and Ramesh Bharadwaj, 2022, "Experimental Analysis of Micro-Doppler Characteristics of Drones and Birds for Classification Purposes", SPIE, Bellingham, WA, United States, 12108

Ram M Narayanan, Terell L Dale, Ramesh Bharadwaj and Ngoc B Tran, 2022, "Domain Fusion Based Feature Extraction for SAR ATR", SPIE, Bellingham, WA, United States, 12108

Ram M Narayanan, Frederick M Chache, Ramesh Bharadwaj and Sean Maxon, 2022, "Mobile Distributed Mesh Network Optimization with a Black Box Optimizer", SPIE, Bellingham, WA, United States, 12108

Ram M Narayanan, Nicholas R Munson and Travis D Bufler, 2022, "Radar Applications of Orthogonal Sudoku Arrays and Costas Cubes", SPIE, Bellingham, WA, United States, 12108

Ram M Narayanan, Veena Sreekantamurthy, Jordan A DeVault, Kelly D Sherbondy, Benjamin H Kirk and Anthony F Martone, 2022, "Generation and Estimation of Randomly Maneuvering Target Trajectories towards Metacognitive Tracking Radar Applications", SPIE, Bellingham, WA, United States, 12108

Ram M Narayanan, Justin KA Henry, Puneet Singla and Erik P Blasch, 2022, "Mie Region Radar Cross-Section of High-Speed and Rotational Space Debris", SPIE, Bellingham, WA, United States, 12121

Ram M Narayanan, Jackson S Zaunegger, Paul G Singerman, Sean M O'Rourke and Muralidhar Rangaswamy, 2022, "Radar Technical Language Modeling with Named Entity Recognition and Text Classification", SPIE, Bellingham, WA, United States, 12108

Ram M Narayanan, Jordan A DeVault, Benjamin H Kirk, Kelly D Sherbondy and Anthony F Martone, 2022, "A Proposed Paradigm for Evaluating Spectrum Sharing Between a Cognitive Radar and 4G/5G Communications", IEEE, Piscataway, NJ, United States

Ram M Narayanan, Frederick M Chache, Sean Maxon and Ramesh Bharadwaj, 2021, "QoS Extension to a B.A.T.M.A.N. based LoRa Mesh Network", IEEE, Piscataway, NJ, United States, pp. 43-48

Ram M Narayanan, 2021, "Fundamental Principles and Emerging Applications of Noise Radar Systems", MSS, United States, pp. 1-122

Ram M Narayanan, 2021, "Estimation of Moving Target Size from Forward Scatter Measurements", MSS, United States, pp. 1-7

Ram M Narayanan, Michael V Lipski and Sastry Kompella, 2021, "A Model for Coherent Communication Gain in Distributed Wireless Networks", IEEE, United States, pp. 207-215

Ram M Narayanan, Zacharie Idriss and Raghu G Raj, 2021, "A Wideband Method of Moments Target Modeling and Feature Extraction Approach for GPR Imaging, On-Line, July 2021", IEEE, United States, pp. 2258-2261

Ram M Narayanan, Charles Baylis, Douglas Sicker, Eric Fernandez, Shannon Blunt, Andrew Clegg, Zhu Han, Rashaunda Henderson, Shaun Hutton, David Jackson, Abbas Semnani and Timothy Tuinstra, 2021, "SMART Hub: Solving the Spectrum Crisis through Parallel Research in Policy, Technology, Security, and Economics for Future Adaptive and Reconfigurable Wireless Systems", IEEE, United States

Ram M Narayanan, Jordan A DeVault, Jacob A Kovarskiy, Benjamin H Kirk, Anthony F Martone and Kelly D Sherbondy, 2021, "LTE Interference Effects on Radar Performance", IEEE, United States

Ram M Narayanan, Bill Correll, Travis D Bufler and Christopher N Swanson, 2021, "A Formal Study of the Doppler Tolerance of Costas and Sudoku Waveforms", IEEE, United States

Ram M Narayanan, Paul G Singerman, Sean M O'Rourke and Muralidhar Rangaswamy, 2021, "Symbolic Dynamics for Target Maneuver Detection", SPIE, United States, 11742, pp. 1174207.01-1174207.10

Ram M Narayanan, Ferris I Arnous and Bing C Li, 2021, "Application of Multidomain Data Fusion, Machine Learning and Feature Learning Paradigms towards Enhanced Image-Based SAR Class Vehicle Recognition", SPIE, United States, 11742, pp. 1174209.01-1174209.12

Ram M Narayanan, Frederick M Chache, Sean Maxon and Ramesh Bharadwaj, 2021, "Distributed Network Communication using B.A.T.M.A.N. Algorithm over LoRa", SPIE, United States, 11742, pp. 117420C.01-117420C.09

Ram M Narayanan, Rory A Bowell, Matthew J Brandsema, Stephen W Howell and Jonathan M Dilger, 2021, "Tripartite Correlation Performance for use in Quantum Radar Systems", SPIE, United States, 11742, pp. 117420I.01-117420I.07

Ram M Narayanan, Nicholas R Munson and Travis D Bufler, 2021, "Sudoku Based Phase-Coded Radar Waveforms", SPIE, United States, 11742, pp. 117420L.01-117420L.13

Ram M Narayanan, Rishita Chandra and Travis D Bufler, 2021, "Analysis of Planar Arrays using Sudoku Puzzles for Multiple Beamforming", SPIE, United States, 11742, pp. 117420N.01-117420N.11

Ram M Narayanan, Travis D Bufler and Bill Correll, 2021, "Ambiguity and Doppler Tolerance Analyses of Frequency-Stepped, Sudoku-Variant Waveforms", SPIE, United States, 11742, pp. 117420M.01-117420M.13

Ram M Narayanan, Richard L Washington, Dmitriy S Garmatyuk and Saba Mudaliar, 2021, "Analysis of Machine Learning Methods for Clutter Classification", SPIE, United States, 11742, pp. 1174213.01-1174213.08

Ram M Narayanan, Anthony F. Martone, Kelly D. Sherbondy, Jacob A. Kovarskiy, Benjamin H. Kirk, Jonathan W. Owen, Brandon Ravenscroft, Austin Egbert, Adam Goad, Angelique Dockendorf, Charles E Thornton, R. Michael Buehrer, Shannon Blunt and Charles Baylis, 2020, "Practical Aspects of Cognitive Radar", IEEE, Piscataway, NJ, USA, pp. 6

Ram M Narayanan, Anthony F Martone, Kelly D Sherbondy, Jacob A Kovarskiy, Benjamin H Kirk, Charles E Thornton, Jonathan W Owen, Brandon Brandon Ravenscroft, Austin Egbert, Adam Goad, Angelique Dockendorf, R Michael Buehrer, Shannon D Blunt and Charles Baylis, 2020, "Metacognition for Radar Coexistence", IEEE, Piscataway, NJ, United States, pp. 55-60

Ram M Narayanan, Anthony F Martone, Kelly D Sherbondy, Jacob A Kovarskiy, Jonathan W Owen and Shannon D Blunt, 2020, "Spectral Prediction and Notching of RF Emitters for Cognitive Radar Coexistence", IEEE, Piscataway, NJ, United States, pp. 61-66

Ram M Narayanan, Anthony F Martone, Kelly D Sherbondy and Benjamin H Kirk, 2020, "Performance Analysis of Pulse-Agile SDRadar with Hardware Accelerated Processing", IEEE, Piscataway, NJ, United States, pp. 117-120

Ram M Narayanan, Anthony F Martone, Kelly D Sherbondy, Brandon Ravenscroft, Jonathan W Owen, Shannon D Blunt and Benjamin H Kirk, 2020, "Experimental Assessment of Joint Range-Doppler Processing to Address Clutter Modulation from Dynamic Radar Spectrum Sharing", IEEE, Piscataway, NJ, United States, pp. 448-453

Ram M Narayanan, Marco Lanzagorta and Matthew J Brandsema, 2020, "Quantum Electromagnetic Scattering and the Sidelobe Advantage", IEEE, Piscataway, NJ, United States, pp. 755-760

Ram M Narayanan, Sean M O'Rourke, Muralidhar Rangaswamy and Paul G Singerman, 2020, "Language-Based Cost Functions for Fully Adaptive Radar under Imprecise Performance Standards", IEEE, Piscataway, NJ, United States, pp. 810-815

Ram M Narayanan, Raghu G Raj and Zacharie Idriss, 2020, "Matched Illumination Waveform Optimization for Radar Imaging", IEEE, Piscataway, NJ, United States, pp. 952-957

Ram M Narayanan, Jordan A DeVault, Jacob A Kovarskiy, Benjamin H Kirk, Anthony F Martone and Kelly D Sherbondy, 2020, "Real-Time Emulation of LTE Emissions for Testing Spectrum Sharing Systems", SPIE, United States, 11408, pp. 1140803.01–1140803.12

Ram M Narayanan, Caden J Pici and Sastry Kompella, 2020, "Transmission Scheduling in Spatio-Temporal Process Monitoring Based Wireless Sensor Networks", SPIE, United States, 11408, pp. 1140805.01–1140805.09

Ram M Narayanan, Moniara R Romero, Erik H Lenzing, Daniel C Brown and Kristoffer L Greenert, 2020, "Wireless Underwater-to-Air Communications via Water Surface Modulation and Radar Detection", SPIE, United States, 11408, pp. 114080C.01–114080C.14

Ram M Narayanan and Clark F Handel, 2020, "Moving Target Detection using Bistatic Radar", SPIE, United States, 11408, pp. 14080L.01–114080L.11

Ram M Narayanan, Matthew J Brandsema and Marco Lanzagorta, 2020, "Correlation Properties of Single Photon Binary Waveforms used in Quantum Radar/Lidar", SPIE, United States, 11408, pp. 14080Q.01–114080Q.14

Ram M Narayanan, Bilal M Ahmed, Matthew J Brandsema, Rory A Bowell, Stephen W Howell and Jonathan M Dilger, 2020, "Remote Sensing Performance Enhancement due to Quantum+Classical Cooperative Sensor", SPIE, United States, 11408, pp. 114080R.01–114080R.10

Ram M Narayanan and Abdullah W Taher, 2020, "SAR Imaging of Moving Targets Based on Fusion of Range-Doppler and Probabilistic Multi-Hypothesis Tracking Algorithms", SPIE, United States, 11408, pp. 114080V.01–114080V.11

Ram M Narayanan, Rory A Bowell, Matthew J Brandsema, Bilal M Ahmed, Stephen W Howell and Jonathan M Dilger, 2020, "Electric Field Correlations in Quantum Radar and the Quantum Advantage", SPIE, United States, 11408, pp. 114080S.01–114080S.14

Ram M Narayanan, Colin D Kelly, Traian V Dogaru, Brian R Phelan and Kelly D Sherbondy, 2020, "Wavefront Curvature Correction For Radar Imaging in a Degraded Visual Environment", SPIE, United States, 11408, pp. 114080U.01–114080U.12

Ram M Narayanan, Michael V Lipski and Sastry Kompella, 2020, "Exploring Transmit Null Forming in Open-Loop Coherent Distributed Arrays", SPIE, United States, 11408, pp. 114080X.01–114080X.10

Ram M Narayanan and Tyler D Ridder, 2020, "Operational Reliability of a Moving Target Indication (MTI) Radar", SPIE, United States, 11408, pp. 14080Z.01–114080Z.08

Ram M Narayanan, Ferris I Arnous and Bing C Li, 2020, "Artificial Intelligence Implementation for Multi-Domain Sensor Suite Optimization", SPIE, United States, 11408, pp. 1140818.01–1140818.10

Ram M Narayanan, Sean M O'Rourke, Muralidhar Rangaswamy and Paul G Singerman, 2020, "Language-Based Cost Functions for Fully Adaptive Radar under Imprecise Performance Standards", IEEE, Piscataway, NJ, United States, pp. 810-815

Ram M Narayanan, 2020, "Information Elasticity in Radar: When ‘Enough (Data) is Enough’", IDGA, United States

Ram M Narayanan, Joseph Andrie, Cayce Onks, Donald Hall, Tyler Ridder and Zacharie Idriss, 2020, "The Use of Micro-Doppler Radar For Motion Analysis in NCAA Athletes", ACSM, Indianapolis, IN, United States

Ram M Narayanan, Joshua C Davidson, Jianan Zhang and Timothy J Kane, 2019, "Investigation of Surface Treatment Methods for 3D Printed Optical Components", OSA, Washington, DC, United States, pp. 2

Ram M Narayanan, Timothy J Kane, Joshua C Davidson and Andrew D O'Neill, 2019, "Additive Manufacturing for Microwave and Millimeter-Wave Antennas: A Summary of Current Technology and Experimentation", SPIE, United States, 10980, pp. 109800Y.01–109800Y.17

Ram M Narayanan, Timothy J Kane, Joshua C Davidson and Andrew D O'Neill, 2019, "Surface Methodology for 3D Printed Multispectral Systems", SPIE, United States, 10980, pp. 1098013.01–1098013.17

Ram M Narayanan and Clark F Handel, 2019, "FM Radio Passive Multistatic Radar using Data Fusion", SPIE, United States, 11003, pp. 1100303.01–1100303.08

Ram M Narayanan, Colin D Kelly, Brian R Phelan, Traian Dogaru and Kelly D Sherbondy, 2019, "Investigation of Airborne Synthetic Aperture Radar Parameters for Buried Target Detection", SPIE, United States, 11003, pp. 1100306.01–1100306.12

Ram M Narayanan, Andrew Z Liu and Muralidhar Rangaswamy, 2019, "Robust Decision Making Method for Adaptive Ordered-Statistics CFAR Technique using Information Elasticity", SPIE, United States, 11003, pp. 1100308.01–1100308.09

Ram M Narayanan, Paul G Singerman and Muralidhar Rangaswamy, 2019, "Cost Function Design for Modeling Information Overload in Radar Systems", SPIE, United States, 11003, pp. 10030A.01–110030A.11

Ram M Narayanan and Caden J Pici, 2019, "Design of Spectrally Adaptive Noise Radar Waveforms", SPIE, United States, 11003, pp. 110030M.01–110030M.09

Ram M Narayanan, Donald L Hall and Tyler D Ridder, 2019, "Abnormal Gait Detection and Classification using Micro-Doppler Radar Signatures", SPIE, United States, 11003, pp. 110030Q.01–110030Q.11

Ram M Narayanan, Taeyoung Kim, John R Jendzrrski and Nicholas G Paulter, 2019, "Simulation of the Dynamic Radar Cross Section Variations of a Human Emulator Calibration Target for Through-Wall and Through-Rubble Radar", SPIE, United States, 11003, pp. 110030R.01–110030R.14

Ram M Narayanan, Maxine R Fox and Raghu G Raj, 2019, "Quantized Wavelet Scattering Networks for Signal Classification", SPIE, United States, 11003, pp. 110030V.01–110030V.10

Ram M Narayanan and Tyler D Ridder, 2019, "Total Reliability of Radar Systems: Incorporating Component Degradation Effects in Operational Reliability", SPIE, United States, 11003, pp. 110030Y.01–110030Y.10

Ram M Narayanan, Donald L Hall, Erik H Lenzing and David M Jenkins, 2019, "Non-Cooperative Emitter Classification and Localization with Vector Sensing and Machine Learning in Indoor Environments", SPIE, United States, 11003, pp. 1100310.01–1100310.14

Ram M Narayanan and Marc D Navagato, 2019, "Application of Microwave Noiselets for Nondestructive Testing of Unidirectional Carbon Fiber Reinforced Polymers", SPIE, United States, 11003, pp. 1100316.01–1100316.10

Ram M Narayanan, Joseph C O'Donnell and Elliot J Riley, 2019, "Electromagnetic Response Changes of Unidirectional Carbon Fiber-Reinforced Polymer Circuit Analog Absorbers due to Post-Processing Impact Damage", SPIE, United States, 11003, pp. 1100317.01–1100317.10

Ram M Narayanan, Jacob A Kovarskiy, Mark Kozy, Anthony F Martone, R Michael Buehrer, Kelly D Sherbondy and Charles Thornton, 2019, "Comparing Stochastic and Markov Decision Process Approaches for Predicting Radio Frequency Interference", SPIE, United States, 11003, pp. 1100318.01–1100318.13

Ram M Narayanan and Michael V Lipski, 2019, "Channel-Hopping Blind Rendezvous for Cognitive Radio Networks using Channel Occupancy Prediction", SPIE, United States, 11003, pp. 1100319.01–1100319.10

Ram M Narayanan, Jason R Young and David M Jenkins, 2019, "Modified Transmitted Reference Technique for Multi-Resolution Radar Timing and Synchronization", SPIE, United States, 11003, pp. 110031A.01–110031A.09

Ram M Narayanan, Zacharie Idriss and Raghu G Raj, 2019, "A Compound Gaussian Based Waveform Design Approach for Enhanced Target Detection in Multistatic Radar Imaging", SPIE, United States, 11003, pp. 10031C.01–110031C.09

Ram M Narayanan, Colin D Kelly, Brian R Phelan and Kelly D Sherbondy, 2019, "Analyzing Receiver Bandwidth for Near-Range Ultra-wideband Pulse Compression Imaging Radar Systems", SPIE, United States, 11003, pp. 10031E.01–110031E.14

Ram M Narayanan, David B Alexander and Braham Himed, 2019, "Lower Bounds for Wideband Direction-Finding with Mutual Coupling", IEEE, Piscataway, NJ, United States, pp. 6

Ram M Narayanan, Jacob A Kovarskiy, Anthony F Martone and Kelly D Sherbondy, 2019, "A Stochastic Model for Prediction and Avoidance of RF Interference to Cognitive Radars", IEEE, Piscataway, NJ, United States, pp. 6

Ram M Narayanan, Benjamin H Kirk, Mark A Kozy, Kyle A Gallagher, R Michael Buehrer, Kelly D Sherbondy and Anthony F Martone, 2019, "Cognitive Software Defined Radar: Evaluation of Target Detection with RFI Avoidance", IEEE, Piscataway, NJ, United States, pp. 6

Ram M Narayanan and Matthew J Brandsema, 2019, "Quantum Detection and Ranging (QUDAR) for Enhanced Target Detection and Imaging", IDGA, United States

Ram M Narayanan, 2019, "Harmonic Radar - Principles and Applications", IDGA, USA

Ram M Narayanan and Michael V Lipski, 2018, "Applying Periodic Retraining to Survival Analysis-Based Dynamic Spectrum Access Algorithms", IEEE, Piscataway, NJ, United States, pp. 871-876

Ram M Narayanan, Joseph C O'Donnell and Erik H Lenzing, 2018, "Analysis of Damage in Unidirectional CFRP Circuit Analog Absorbers", IEEE, Piscataway, NJ, United States, pp. 555-560

Ram M Narayanan and Tyler D Ridder, 2018, "Operational Reliability of Radar Systems", IEEE, Piscataway, NJ, United States, pp. 561-567

Ram M Narayanan and Caden J Pici, 2018, "Multifunctional Radar and Communications Waveform Using Chaos", IEEE, Piscataway, NJ, United States, pp. 568-572

Ram M Narayanan, Michael J Harner, John R Jendzurski and Nicholas G Paulter, 2018, "A Thorough Analysis of Various Geometries for a Dynamic Calibration Target for Through-Wall and Through-Rubble Radar", SPIE, United States, 10633, pp. 106330Y.01-106330Y.09

Ram M Narayanan and Maxine R Fox, 2018, "Application and Performance of Convolutional Neural Networks to SAR", SPIE, United States, 10633, pp. 1063304.01-1063304.12

Ram M Narayanan and Zacharie I Idriss, 2018, "Energy Allocation for Tailored Waveform Design using the Taguchi Method for Clutter Suppression and Enhanced Detection of Targets", SPIE, United States, 10633, pp. 106330C.01-106330C.14

Ram M Narayanan, Andrew Z Liu and Muralidhar Rangaswamy, 2018, "Information Elasticity in Pseudorandom Code Pulse Compression", SPIE, United States, 10633, pp. 106330F.01-106330F.09

Ram M Narayanan, Paul G Singerman and Muralidhar Rangaswamy, 2018, "Information Elasticity in Ultra-Wideband Target Detection amongst Distributed Clutter", SPIE, United States, 10633, pp. 106330G.01-106330G.12

Ram M Narayanan, Colin D Kelly, Brian R Phelan, Traian Dogaru and Kelly D Sherbondy, 2018, "Optimized Radar Design Parameters for Synthetic Aperture Radar with Limited Swath", SPIE, United States, 10633, pp. 106330K.01-106330K.12

Ram M Narayanan, Kenneth I Ranney, Brian R Phelan, Canh Ly, Kelly D Sherbondy and Philip J Saponaro, 2018, "Examination of Radar Imagery from Recent Data Collections Using the Spectrally Agile Frequency-Incrementing Reconfigurable (SAFIRE) Radar System", SPIE, United States, 10633, pp. 106330M.01-106330M.15

Ram M Narayanan, Daniel Galanos, Kyle A Gallagher, Abigail Hedden, David McNamara, Roger Cutitta, Stephen Freeman, Charles Dietlein, Benjamin Kirk and Kenneth Ranney, 2018, "Software-Defined Radios for the Implementation of Randomized Arrays", SPIE, United States, 10633, pp. 106330X.01-106330X.08

Ram M Narayanan and Marc D Navagato, 2018, "Microwave Imaging using Ultrawideband Noise Waveforms for Nondestructive Testing of Multilayer Structures", SPIE, United States, 10633, pp. 1063314.01-1063314.13

Ram M Narayanan, David B Alexander and Braham Himed, 2018, "Ultra-Wideband Direction-of-Arrival Considerations for Antenna Arrays in the Presence of Mutual Coupling", SPIE, United States, 10633, pp. 1063315.01-1063315.09

Ram M Narayanan, Jacob A Kovarskiy, Anthony F Martone, Kyle A Gallagher and Kelly D Sherbondy, 2018, "Predictive Energy Detection for Inferring Radio Frequency Activity", SPIE, United States, 10633, pp. 1063318.01-1063318.10

Ram M Narayanan, Daniel Galanos, Kyle A Gallagher, Abigail Hedden, Roger Cutitta, Stephen Freeman, Charles Dietlein, Benjamin Kirk and Kenneth Ranney, 2018, "Software-Defined Radar: Recent Experiments and Results", SPIE, United States, 10633, pp. 106331E.01-106331E.07

Ram M Narayanan, Joshua C Davidson, Andrew J O'Neill, Timothy J Kane and Nibir K Dhar, 2018, "Considerations in the Development of a Foveated Imaging System for Unmanned Aerial Vehicles (UAVs)", SPIE, United States, 10656, pp. 1065610.01-1065610.10

Ram M Narayanan, Benjamin H Kirk, Kyle A Gallagher, Jonathan W Owen, Anthony F Martone and Kelly D Sherbondy, 2018, "Cognitive Software Defined Radar: A Reactive Approach to RFI Avoidance", Proc. IEEE International Radar Conference (RadarCon 2018), Oklahoma City, OK, April 2018, IEEE, Piscataway, NJ, United States, pp. 630-635

Ram M Narayanan, Benjamin H Kirk, Shannon D Blunt, Jonathan W Owen, Anthony F Martone, Kelly D Sherbondy, Brandon Ravenscroft and Christopher T Allen, 2018, "Experimental Demonstration of Cognitive Spectrum Sensing & Notching for Radar", IEEE, Piscataway, NJ, United States, pp. 957-962

Ram M Narayanan, Kyle A Gallagher, Jacob A Kovarskiy, Anthony F Martone and Kelly D Sherbondy, 2018, "Radar Tools for Spectrum Assessment and Prediction", IEEE, Piscataway, NJ, United States, pp. 647-652

Ram M Narayanan, 2018, "Waveform Design in Cognitive Radar for Clutter Suppression and Spectrum Deconfliction", IDGA, USA

Ram M Narayanan, Robin James, Tae Hee Kim and Marc D Navagato, 2017, "Modeling and Simulation of Environmental Impact Damage of Aerospace Composites and its Detection Scheme", ASC, United States, pp. 2363–2377

Ram M Narayanan, Robin James, Tae Hee Kim and Marc D Navagato, 2017, "Design and Performance of a Microwave Nondestructive Testing System for Damage Analysis of FRP Composites", ASC, United States, pp. 2378–2393

Ram M Narayanan, David B Alexander and Braham Himed, 2017, "Analysis of Sparse Co-Prime Sensing Array Performance using Wideband Noise Signals", IEEE, Piscataway, NJ, United States, pp. 1147-1151

Ram M Narayanan, Richard K Pooler, Anthony F Martone, Kyle A Gallagher and Kelly D Sherbondy, 2017, "The Spectrum Analysis Solution (SAS) System for Multi-Purpose Spectrum Sensing: Design and Performance", URSI, Belgium, pp. 1

Ram M Narayanan, Sean A Kaiser and Andrew J Christianson, 2017, "Passive Coherent Location Matched Filter Alternative", IEEE, United States, pp. 596-600

Ram M Narayanan, Sean A Kaiser and Andrew J Christianson, 2017, "Multistatic Radar Doppler Estimation for Passive Coherent Location", IEEE, United States, pp. 329-334

Ram M Narayanan, Joshua M Allebach and Braham Himed, 2017, "Two-Port Representation of Propagation and Scattering in Radar", IEEE, United States, pp. 1087-1092

Ram M Narayanan, Travis D Bufler and Kelly D Sherbondy, 2017, "Analysis of Sudoku Coded Waveforms and Application to Planar Phased Arrays", IEEE, United States, pp. 1239-1244

Ram M Narayanan, Sean A Kaiser and Andrew J Christianson, 2017, "Passive Coherent Location Direct Signal Suppression using Hardware Mixing Techniques", SPIE, United States, 10188, pp. 1018802.01-1018802.13

Ram M Narayanan, Sean A Kaiser and Andrew J Christianson, 2017, "Multistatic Passive Coherent Location Resource Optimization", SPIE, United States, 10188, pp. 1018803.01-1018803.12

Ram M Narayanan, Michael J Harner, Matthew J Brandsema, John R Jendzurski and Nicholas G Paulter, 2017, "Theoretical Considerations for a Dynamic Calibration Target for Through-Wall and Through-Rubble Motion-Sensing Doppler Radar", SPIE, United States, 10188, pp. 101880A.01-101880A.10

Ram M Narayanan, Benjamin H Kirk, Jonathan W Owen, Shannon D Blunt, Anthony F Martone and Kelly D Sherbondy, 2017, "Cognitive Software Defined Radar: Waveform design for Clutter and Interference Suppression", SPIE, United States, 10188, pp. 1018818.01-1018818.16

Ram M Narayanan, Jacob A Kovarskiy, Anthony F Martone, Kelly D Sherbondy and Kyle A Gallagher, 2017, "Random RFI Simulation and Generation for Sensing Spectrum Opportunity", SPIE, u, 10188, pp. 1018819.01-1018819.11

Ram M Narayanan, Matthew J Brandsema and Marco Lanzagorta, 2017, "Electric and Magnetic Target Polarization in Quantum Radar", SPIE, United States, 10188, pp. 101880C.01-101880C.10

Ram M Narayanan and Chad M Brode, 2017, "Radar Detection of Buried Targets in Coastal Environments", SPIE, United States, 10188, pp. 101881M.01-101881M.08

Ram M Narayanan, Aaron D Long, Timothy J Kane, Terence F Rice and Michael J Tauber, 2017, "Foveal Scale Space Generation with the Log-Polar Transform", SPIE, United States, 10209, pp. 1020910.01-1020910.08

Ram M Narayanan, Kyle A Gallagher, Gregory J Mazzaro, Kelly D Sherbondy and Anthony F Martone, 2017, "Current Nonlinear Radar Research at the Army Research Laboratory", SPIE, USA, 10188, pp. 101881B.01-101881B.09

Ram M Narayanan, Brian R Phelan, Kenneth I Ranney, Marc A Ressler, John T Clark, Kelly D Sherbondy, Getachew A Kirose, Arthur C Harrison, Daniel T Galanos, Philip J Saponaro and Wayne R Treible, 2017, "System Upgrades and Performance Evaluation of the Spectrally Agile Frequency-Incrementing Reconfigurable (SAFIRE) Radar System", SPIE, United States, 10188, pp. 1018812.01-1018812.10

Ram M Narayanan, Brian R Phelan, Kenneth I Ranney, Gregory D Smith, John T Clark, Kelly D Sherbondy, Getachew A Kirose, Arthur C Harrison, Marc A Ressler and Lam Nguyen, 2017, "Initial Processing and Analysis of Forward- and Side-Looking Data from the Spectrally Agile Frequency-Incrementing Reconfigurable (SAFIRE) Radar", SPIE, United States, 10188, pp. 101880J.01-101881J.08

Ram M Narayanan, 2017, "Radar Research at The Pennsylvania State University Radar and Communications Laboratory", SPIE, United States, 10188, pp. 1018816.01-1018816.37

Ram M Narayanan, Tae Hee Kim and Robin James, 2017, "High-Resolution Nondestructive Testing of Multilayer Dielectric Materials using Wideband Microwave Synthetic Aperture Radar Imaging", SPIE, 10169, pp. 1016903.01–1016903.11

Ram M Narayanan, Robin James and Tae Hee Kim, 2017, "Prognostic Investigation of Galvanic Corrosion Precursors in Aircraft Structures and Their Detection Strategy", SPIE, 10169, pp. 101690C.01–101690C.12

Ram M Narayanan, Anthony F Martone, Kenneth I Ranney, Kelly D Sherbondy, Kyle A Gallagher and Gregory J Mazzaro, 2016, "An Overview of Spectrum Sensing for Harmonic Radar", IEEE, pp. 1-5

Ram M Narayanan, Travis D Bufler and Brandon Leshchinskiy, 2016, "Radar Ambiguity Functions and Resolution Characteristics of Sudoku-based Waveforms", IEEE, pp. 17–21

Ram M Narayanan, Sean A Kaiser and Andrew J Christianson, 2016, "Multistatic Radar Exploitation of Forward Scattering Nulls", IEEE, pp. 135-140

Ram M Narayanan and Howard D Kent, 2016, "Using Wall Penetrating Radar & Wireless Signal Location Technology to Control Drones in Structures", NDIA, pp. 1-45

Ram M Narayanan, Sean A Kaiser and Andrew J Christianson, 2016, "Multistatic Passive Coherent Location using Multilateration Techniques", SPIE, United States, 9829, pp. 982904.01-982904.10

Ram M Narayanan, Marc A Ressler, Brian R Phelan, Kenneth I Ranney, Kelly D Sherbondy and Gregory D Smith, 2016, "Frequency Notching Effects on GPR Imagery while Operating in Crowded Spectrum Scenarios", SPIE, United States, 9829, pp. 982905.01-982905.15

Ram M Narayanan, Huiyuan Zhou and Ilangko Balasingham, 2016, "Microwave Reconstruction Method using a Circular Antenna Array Cooperating with an Internal Transmitter", SPIE, United States, 9829, pp. 98290F.01-98290F.12

Ram M Narayanan, David B Alexander and Braham Himed, 2016, "Investigation of Correlation Characteristics for Random Array Collaborative Beamforming using Noise Signals", SPIE, United States, 9829, pp. 98290I.01-98290I.10

Ram M Narayanan, Joshua M Allebach and Braham Himed, 2016, "Investigation of Target and Ground Clutter Reflections on the Correlation between Transmitted and Received Noise Signals", SPIE, United States, 9829, pp. 98290J.01-98290J.11

Ram M Narayanan, Gregory J Mazzaro, Kyle A Gallagher, Anthony F Martone, Kelly D Sherbondy and Sean M McGowan, 2016, "Phase Responses of Harmonics Reflected from Radio-Frequency Electronics", SPIE, United States, 9829, pp. 98290O.01-98290O.14

Ram M Narayanan, Gregory J Mazzaro, Kyle A Gallagher, Anthony F Martone and Kelly D Sherbondy, 2016, "Derivation and Validation of the Nonlinear Radar Range Equation", SPIE, United States, 9829, pp. 98290P.01-98290P.13

Ram M Narayanan, Benjamin H Kirk, Anthony F Martone and Kelly D Sherbondy, 2016, "Waveform Design for Cognitive Radar: Target Detection in Heavy Clutter", SPIE, United States, 9829, pp. 98290Q.01-98290Q.13

Ram M Narayanan, Richard K Pooler, Anthony F Martone, Kelly D Sherbondy and Kyle A Gallagher, 2016, "A Dynamic Spectrum Analysis Solution for the Characterization of the UHF Spectrum", SPIE, United States, 9829, pp. 98290R.01-98290R.09

Ram M Narayanan and Travis D Bufler, 2016, "Feature Analysis for Indoor Radar Target Classification", SPIE, United States, 9829, pp. 98290Y.01-98290Y.09

Ram M Narayanan, Evan T Gebhardt and Sean P Broderick, 2016, "MIMO Radar for Through-Wall Target Identification in Single and Two Wall Scenarios", SPIE, United States, 9829, pp. 98290Z.01-98290Z.11

Ram M Narayanan, Kyle A Gallagher, Kenneth I Ranney, Gregory J Mazzaro, Anthony F Martone and Kelly D Sherbondy, 2016, "Instantaneous, Stepped-Frequency, Nonlinear Radar. Part 2: Experimental Confirmation", SPIE, United States, 9829, pp. 98291P.01-98291P.06

Ram M Narayanan, Elliot J Riley and Erik H Lenzing, 2016, "Circuit Models for Salisbury Screens made from Unidirectional Carbon Fiber Composite Sandwich Structures", SPIE, United States, 9829, pp. 98291501-98291512

Ram M Narayanan and Matthew Zenaldin, 2016, "Radar Micro-Doppler Based Human Activity Classification for Indoor and Outdoor Environments", SPIE, United States, 9829, pp. 98291B.01-98291B.10

Ram M Narayanan, Matthew J Brandsema and Marco Lanzagorta, 2016, "Analytical Formulation of the Quantum Electromagnetic Cross Section", SPIE, United States, 9829, pp. 98291H.01-98291H.08

Ram M Narayanan, Aaron D Long, Timothy J Kane, Terence F Rice and Michael J Tauber, 2016, "Analysis and Implementation of the Foveated Imaging of the Raptor Eye", SPIE, United States, 9854, pp. 98540T.01-98540T.09

Ram M Narayanan, Gregory J Mazzaro, Kyle A Gallagher, Anthony F Martone and Kelly D Sherbondy, 2016, "Maximizing Harmonic-Radar Target Response: Duty Cycle vs. Peak Power", IEEE, United States, pp. 1-4

Ram M Narayanan, 2015, "Harmonic Radar"

Ram M Narayanan and Tae Hee Kim, 2015, "Compressive Sensing Based Image Reconstruction for Synthetic Aperture Radar using Discrete Cosine Transform and Noiselets", pp. 582-586

Ram M Narayanan, 2015, "Analysis of Micro-Doppler Characteristics of Human Activity using Hilbert-Huang Transform Analysis", pp. 2064-2064

Ram M Narayanan and Howard D Kent, 2015, "Weapon Mounted Radar Integration to Fire Control, Situational Awareness & DSMAC Navigation Techniques"

Ram M Narayanan, Scott A Wilson and Muralidhar Rangaswamy, 2015, "Wideband Imaging of Concealed Objects using Compressive Radar Holography", pp. 925-930

Ram M Narayanan, Hee Jung Shin and Muralidhar Rangaswamy, 2015, "Simulations of Tomographic Imaging of Various Target Scenarios using Noise Waveforms", pp. 963-968

Ram M Narayanan, Kyle A Gallagher, Gregory J Mazzaro, Kenneth I Ranney, Anthony F Martone and Kelly D Sherbondy, 2015, "Moving Target Indication with Non-Linear Radar", pp. 1428-1433

Ram M Narayanan, 2015, "Fundamental Principles and Applications of Noise Radar Systems"

Ram M Narayanan, Elliot J Riley and Erik H Lenzing, 2015, "Characterization of Radar Cross Section of Carbon Fiber Composite Materials", 9461, pp. 94610301–94610308

Ram M Narayanan, Gregory J Mazzaro, Kyle A Gallagher, Anthony F Martone and Kelly D Sherbondy, 2015, "Short-Range Harmonic Radar: Chirp Waveform, Electronic Targets", 9461, pp. 94610801–94610812

Ram M Narayanan, Gregory J Mazzaro, Kyle A Gallagher, Kenneth I Ranney, Kelly D Sherbondy and Lim H Nguyen, 2015, "Nonlinear Synthetic Aperture Radar Imaging using a Harmonic Radar", 9461, pp. 94610901–94610911

Ram M Narayanan, Gregory J Mazzaro, Kyle A Gallagher, Anthony F Martone and Kelly D Sherbondy, 2015, "Filter Selection for a Harmonic Radar", 9461, pp. 94610A01-94610A11

Ram M Narayanan, Joshua A Allebach, Ben Hoe and Sean P Broderick, 2015, "Bistatic and Multistatic Target Identification for Through-Wall Radar Imaging", 9461, pp. 94610G01–94610G09

Ram M Narayanan, Travis D Bufler and Traian V Dogaru, 2015, "SVM Based Target Classification using RCS Feature Vectors", 9461, pp. 94610I01–94610I10

Ram M Narayanan, Marc A Ressler, Brian R Phelan, Kenneth I Ranney, Kelly D Sherbondy, Gregory D Smith and Getachew A Kirose, 2015, "Performance Analysis of Spectrally Versatile Forward-Looking Ground-Penetrating Radar for Detection of Concealed Targets", 9461, pp. 94610J01–94610J10

Ram M Narayanan, Brian R Phelan, Kenneth I Ranney, Kelly D Sherbondy, Getachew A Kirose and Traian V Dogaru, 2015, "Recent Experiments using the ARL Rail-SAR", 9461, pp. 94610L01–94610L10

Ram M Narayanan, Mark A Asmuth, Hee Jung Shin and Muralidhar Rangaswamy, 2015, "Principle and Experimental Results of Ultra-Wideband Noise Radar Imaging of a Cylindrical Conducting Object using Diffraction Tomography", 9461, pp. 94610V01–94610V11

Ram M Narayanan, Mark A Asmuth, Hee Jung Shin and Muralidhar Rangaswamy, 2015, "Design and Implementation of a Noise Radar Tomographic System", 9461, pp. 94610W01–94610W09

Ram M Narayanan, Matthew J Brandsema and Marco Lanzagorta, 2015, "Range Detection using Entangled Optical Photons", 9461, pp. 94611101–94611110

Ram M Narayanan, Sonny Smith and Evangelos Messaris, 2015, "Diagnosis of Edema and Inflammation in Human Intestines using Ultrawideband Radar", 9461, pp. 94611801–94611808

Ram M Narayanan and Matthew Zenaldin, 2015, "Features Associated with Radar Micro-Doppler Signatures of Various Human Activities", 9461, pp. 94611D01–94611D14

Ram M Narayanan, Huiyuan Zhou, Rohit Chandra and Ilangko Balasingham, 2015, "Microwave Imaging of Circular Phantom using the Levenberg-Marquardt Method", 9461, pp. 94611701–94611712

Ram M Narayanan, Kyle A Gallagher, Kenneth I Ranney, Gregory J Mazzaro, Anthony F Martone and Kelly D Sherbondy, 2015, "Instantaneous Stepped-Frequency, Non-Linear Radar", 9461, pp. 94612201–94612208

Ram M Narayanan, 2014, "Noise Radar Fundamentals ? From Monostatic to MIMO"

Ram M Narayanan, M C Shastry and M Rangaswamy, 2014, "Compressive Noise Radar for Urban Sensing", pp. 485-488

Ram M Narayanan, A Martone, K Ranney, G Mazzaro, D McNamara, J Silvious, K Sherbondy and K Gallagher, 2014, "Spectrum Sensing Techniques for Nonlinear Radar", 9077, pp. 90770D-1-90770D-11

Ram M Narayanan, T D Bufler and T V Dogaru, 2014, "Radar Signatures of Indoor Clutter for Through-The-Wall Radar Applications", 9077, pp. 90770E-1-90770E-11

Ram M Narayanan and S A Wilson, 2014, "Compressive Wideband Microwave Radar Holography", 9077, pp. 907707-1-907707-8

Ram M Narayanan, K A Gallagher, G J Mazzaro, K D Sherbondy and A F Martone, 2014, "Automated Cancellation of Harmonics using Feed-Forward Filter Reflection for Radar Transmitter Linearization", 9077, pp. 907703-1-907703-10

Ram M Narayanan, M C Shastry and M Rangaswamy, 2014, "Analysis of the Tolerance of Compressive Noise Radar Systems to Multiplicative Perturbations", 9109, pp. 910905-1-910905-8

Ram M Narayanan, S Smith and E Messaris, 2014, "Medical Radar Considerations for Detecting Crohn's Disease", 9077, pp. 90770W-1-90770W-12

Ram M Narayanan, H J Shin and M Rangaswamy, 2014, "Ultra-wideband Noise Radar Imaging of a Cylindrical PEC Object using Diffraction Tomography", 9077, pp. 90770J-1-90770J-10

Ram M Narayanan, M J Brandsema and M Lanzagorta, 2014, "Design Considerations for Quantum Radar Implementation", 9077, pp. 90770T-1-90770T-8

Ram M Narayanan, E J Riley and E H Lenzing, 2014, "Characterization of Carbon Fiber Composite Materials for RF Applications", 9077, pp. 907704-1-907704-12

Ram M Narayanan, B R Phelan, K D Sherbondy and K I Ranney, 2014, "Design and Performance of an Ultrawideband Stepped-Frequency Radar with Precise Frequency Control for Landmine and IED Detection", 9077, pp. 907708-1-907708-12

Ram M Narayanan, K A Gallagher, G J Mazzaro and K D Sherbondy, 2014, "Linearization of a Harmonic Radar Transmitter by Feedforward Filter Reflection", pp. 1363-1368

Ram M Narayanan, G A Kirose, B R Phelan, K D Sherbondy, K I Ranney and F J Koenig, 2014, "Indoor Facility for Airborne Synthetic Aperture Radar (SAR) Explosive Hazard Experimentation - Rail-SAR", 9077, pp. 90770Q-1-90770Q-15

Ram M Narayanan, G J Mazzaro, K A Gallagher and A F Martone, 2014, "Stepped-Frequency Nonlinear Radar Simulation", 9077, pp. 90770U-1-90770U-10

Ram M Narayanan, H. J. Shin and M. Rangaswamy, 2014, "Diffraction Tomography for Ultra-Wideband Noise Radar and Imaging Quality Measure of a Cylindrical Perfect Conducting Object", pp. 702-707

Ram M Narayanan, Y Kwon and M Rangaswamy, 2014, "A Thresholding Scheme for Target Detection for Noise Radar Systems Based on Random Matrix Theory", pp. 692-695

Ram M Narayanan and D. P. Fairchild, 2014, "Determining Human Target Facing Orientation using Bistatic Radar Micro-Doppler Signals", SPIE Conference on Active and Passive Signatures V, Baltimore, MD, 9082, pp. 908203-1-908203-9

Ram M Narayanan, 2013, "Radar Systems for Homeland Security Applications", Proc. International Radar Symposium India (IRSI-13)

Ram M Narayanan, 2013, "Radar Systems for Homeland Security", Proc. International Radar Symposium India (IRSI-13)

Ram M Narayanan and N. S. McCoy, 2013, "Delayed and Summed Adaptive Noise Waveforms for Target Matched Radar Detection", Proc. 22nd International Conference on Noise and Fluctuations (ICNF 2013), pp. 4

Ram M Narayanan and S. Smith, 2013, "Ranging and Target Detection Performance Through Lossy Media using an Ultrawideband S-Band Through-Wall Sensing Noise Radar", Proc. SPIE Conference on Radar Sensor Technology XVII, 8714, pp. pp. 871408-1-871408-12

Ram M Narayanan, B. R. Phelan, M. A. Ressler, G. J. Mazzaro and K. D. Sherbondy, 2013, "Design of Spectrally Versatile Forward-Looking Ground-Penetrating Radar for Detection of Concealed Targets", Proc. SPIE Conference on Radar Sensor Technology XVII, 8714, pp. 87140B-1-87140B-10

Ram M Narayanan, T. D. Bufler, T. Dogaru and E. H. Lenzing, 2013, "Spectral Characteristics of Human and Indoor Clutter for Through the Wall Sensing", Proc. SPIE Conference on Radar Sensor Technology XVII, 8714, pp. 87140M-1-87140M-11

Ram M Narayanan, H. J. Shin and M. Rangaswamy, 2013, "Tomographic Imaging with Ultra-wideband Noise Radar using Time-domain Data", Proc. SPIE Conference on Radar Sensor Technology XVII, pp. 87140R-1-87140R-9

Ram M Narayanan, M. C. Shastry and M. Rangaswamy, 2013, "Characterizing Detection Thresholds Using Extreme Value Theory in Compressive Noise Radar Imaging", Proc. SPIE Conference on Compressive Sensing II, 8717, pp. 87170B-1-87170B-9

Ram M Narayanan and D. P. Fairchild, 2013, "Micro-Doppler Radar Classification of Human Motions under Various Training Scenarios", Proc. SPIE Conference on Active and Passive Signatures IV, 8734, pp. 873407-1-873407-11

Ram M Narayanan and K. A. Gallagher, 2013, "Human Detection and Ranging at Long Range and Through Light Foliage using a W-Band Noise Radar with an Embedded Tone", SPIE Conference on Radar Sensor Technology XVII, Baltimore, MD, 8714, pp. 871402-1-871402-12

Ram M Narayanan, 2013, "Technical Considerations in Medical Radar", Proc. 8th International Conference on Body Area Networks: Workshop on Perspectives and Future Trends for Body Area Networks (PFT-BAN), pp. 526-535

Ram M Narayanan, J. Wu, Q. Liang, X. Cheng and D. Chen, 2012, "Amplitude Based Compressive Sensing for UWB Noise Radar Signal", Proc. 2012 IEEE Global Communications Conference (GLOBECOM 2012)

Ram M Narayanan, R. Vela and R. L. Ewing, 2012, "Human Thermal Emissions and Their Exploitation in Passive Microwave Radar", Proc. 2012 IEEE Antennas and Propagation Symposium, pp. 2

Ram M Narayanan, M. C. Shastry, Y. Kwon and M. Rangaswamy, 2012, "Analysis and Design of Algorithms for Compressive Sensing Based Noise Radar Systems", Proc. 7th IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM 2012), pp. 341-344

Ram M Narayanan, B. R. Phelan and E. H. Lenzing, 2012, "Source Localization using Unique Characterizations of Multipath Propagation in an Urban Environment", Proc. 7th IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM 2012), pp. 189-192

Ram M Narayanan, R. Vela, K. A. Gallagher and M. Rangaswamy, 2012, "Noise Radar Tomography", Proc. IEEE Radar Conference (RadarCon 2012), pp. 720-724

Ram M Narayanan, 2012, "Ultrawideband Radar Cross Section Characterization of Distributed Targets", Proc. IEEE Radar Conference (RadarCon 2012), pp. 796-800

Ram M Narayanan and D. P. Fairchild, 2012, "Classification and Modeling of Human Activities using Empirical Mode Decomposition with S-Band and Millimeter-Wave Micro-Doppler Radars", Proc. SPIE Conference on Radar Sensor Technology XVI, 8361, pp. 83610X-1-83610X-15

Ram M Narayanan and S. Smith, 2012, "Impulse Response Characterization of Dispersive Barriers using Ultrawideband Noise Waveforms", Proc. SPIE Conference on Radar Sensor Technology XVI, 8361, pp. 836118-1-836118-10

Ram M Narayanan and K. A. Gallagher, 2012, "Simultaneous Human Detection and Ranging using a Millimeter-Wave Radar System Transmitting Wideband Noise with an Embedded Tone", Proc. SPIE Conference on Radar Sensor Technology XVI, 8361, pp. 836119-1-836119-10

Ram M Narayanan, Y. Kwon and M. Rangaswamy, 2012, "Sample Selection and Adaptive Weight Allocation for Compressive MIMO UWB Noise Radar", Proc. SPIE Conference on Compressive Sensing, 8365, pp. 83650T-1-83650T-11

Ram M Narayanan, M. C. Shastry and M. Rangaswamy, 2012, "Band-limited Random Waveforms in Compressive Radar Imaging", Proc. SPIE Conference on Compressive Sensing, 8365, pp. 83650U-1-83650U-8

Ram M Narayanan, 2011, "Earthquake Survivor Detection using Life Signals from Radar Micro-Doppler", Proc. 1st International Conference on Wireless Technologies for Humanitarian Relief (ACWR2011), pp. 291-296

Ram M Narayanan, 2011, "Advances in Noise and Chaotic Radar", Proc. International Radar Symposium India (IRSI-11)

Ram M Narayanan, 2011, "Human Detection and Characterisation Through Barriers", Proc. 1st International Conference on Wireless Technologies for Humanitarian Relief (ACWR2011)

Ram M Narayanan, 2011, "Radar Tags for Communications and Information Transfer", Proc. International Radar Symposium India (IRSI-11)

Ram M Narayanan, S. Liu, S. Bhat, J. J. Zhang, Q. Ding, A. Papandreou-Suppapola, S. Kay and M. Rangaswamy, 2011, "Design and Performance of an Integrated Waveform-Agile Multi-Modal Track-before-Detect Sensing System", Proc. 45th Annual Asilomar Conference on Signals, Systems, and Computers, pp. 1530-1534

Ram M Narayanan and M. S. Huang, 2011, "Non-Cooperative Collision Avoidance Concept for Unmanned Aircraft System using Satellite-Based Radar and Radio Communication", Proc. 30th Digital Avionics Systems Conference, pp. 5.C.2.1-5.C.2.9

Ram M Narayanan, R. Vela, G. Woodington and M. R. Deluca, 2011, "Direct Digitization of Ultra-Wideband (UWB) Noise Signals using Frequency Band Folding", Proc. SPIE Conference on Radar Sensor Technology XV, 8021, pp. 802115.1-802115.9

Ram M Narayanan, R. Vela and D. Erisman, 2011, "A Technique for the Generation of Customizable Ultra-Wideband Pseudo-Noise Waveforms", Proc. SPIE Conference on Radar Sensor Technology XV, 8021, pp. 802118.1-802118.15

Ram M Narayanan, R. Vela and D. Erisman, 2011, "A Technique for the Extraction of Ultra-Wideband (UWB) Signals Concealed in Frequency Band Folded Responses", Proc. SPIE Conference on Radar Sensor Technology XV, 8021, pp. 80211A.1-80211A.8

Ram M Narayanan, G. Woodington, M. DeLuca, R. Moro, D. Lemus and R. Vela, 2011, "Target Discrimination Technique Utilizing Noise Waveforms", Proc. SPIE Conference on Radar Sensor Technology XV, 8021, pp. 80211D.1-80211D.8

Ram M Narayanan and D. P. Fairchild, 2011, "Human Activity Classification using Hilbert-Huang Transform Analysis of Radar Doppler Data", Proc. SPIE Conference on Radar Sensor Technology XV, 8021

Ram M Narayanan and S. Smith, 2011, "Cross-Correlation Analysis of Noise Radar Signals Propagating through Lossy Dispersive Media", Proc. SPIE Conference on Radar Sensor Technology XV, 8021, pp. 802116.1-802116.12

Ram M Narayanan, S. C. Surender and C. R. Das, 2010, "Performance Analysis of Communications & Radar Coexistence in a Covert UWB OSA System", Proc. IEEE Global Communications Conference (GLOBECOM 2010), pp. 5

Ram M Narayanan, S. S. Bhat and M. Rangaswamy, 2010, "Design and Performance of a Multimodal Radar Test-Bed for Progressive Resolution Enhancement", Proc. 44th Annual Asilomar Conference on Signals, Systems, and Computers, pp. 1667-1671

Ram M Narayanan, M. C. Shastry and M. Rangaswamy, 2010, "Compressive Radar Imaging Using White Stochastic Waveforms", Proc. 5th International Waveform Diversity and Design Conference, pp. 90-94

Ram M Narayanan, S. S. Bhat and M. Rangaswamy, 2010, "An Adaptive Multimodal Radar System with Progressive Resolution Enhancement", Proc. 5th International Waveform Diversity and Design Conference, pp. 95-99

Ram M Narayanan, Y. Kwon and M. Rangaswamy, 2010, "A Multi-Target Detector using Mutual Information for Noise Radar Systems in Low SNR Regime", Proc. 5th International Waveform Diversity and Design Conference, pp. 105-109

Ram M Narayanan and K. A. Lukin, 2010, "Fifty Years of Noise Radar", Proc. 7th International Kharkov Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves (MSMW 2010)

Ram M Narayanan, S. C. Surender and C. R. Das, 2010, "Coexistent, Cross-Layered, and Multi-Functional Ad Hoc Radar Sensor Networks", Proc. IEEE Communications Society Conference on Sensor, Mesh and Ad Hoc Communications and Networks (SECON 2010)

Ram M Narayanan, 2009, "Target Detection and Characterisation Through Barriers", Proc. International Radar Symposium India (IRSI-09)

Ram M Narayanan, 2009, "Aspects of Radar Waveform Design", Proc. International Radar Symposium India (IRSI-09)

Ram M Narayanan and W.-J. Chen, 2009, "Tapped-Delay Line Beamforming in Spatial Diversity MIMO Noise Radar using Iterative Generalized Likelihood Ratio Test", Proc. International Conference on Electromagnetics in Advanced Applications (ICEAA'09), pp. 343-346

Ram M Narayanan, Z. Sun, C. Han and S. Liu, 2009, "Calibration Factor Estimation Based on Statistical Modeling of Scattering Coefficient", Proc. 12th International Conference on Information Fusion (FUSION 2009), pp. 2006-2011

Ram M Narayanan, H. Wang and Z. O. Zhou, 2009, "Through Wall Imaging Based on Electromagnetic Modeling Using UWB Noise Waveform", Digest 2009 IEEE International Symposium on Antennas and Propagation

Ram M Narayanan, P. H. Chen, C. P. Lai and A. Davydov, 2009, "Through Wall Ranging and Imaging Using UWB Random Noise Waveform: System Design Considerations and Preliminary Results", Digest 2009 IEEE International Symposium on Antennas and Propagation

Ram M Narayanan, J. Liang, Q. Liang and S. W. Samn, 2009, "Sense-Through-Wall Channel Modeling Using UWB Noise Radar", Proc. IEEE Workshop on Multi-Gigabit MM-Wave and Tera-Hz Systems (MTWS'09)

Ram M Narayanan, Z. Li and S. Papson, 2008, "Fusion of Multiple-Look Synthetic Aperture Radar Images at Data and Image Levels", Proc. 5th International Conference on Electrical Engineering, Computing Science and Automatic Control (CCE-2008), pp. 508-513

Ram M Narayanan, M. S. Huang and A. Feinberg, 2008, "Multiple Targets Estimation and Tracking for ADS-B Radar System", Proc. 27th Digital Avionics Systems Conference, pp. 3.C.1-1-3.C.1-10

Ram M Narayanan, 2008, "Ultrawideband Radar Cross Sections of Radar Calibration Targets", Proc. NATO Specialist Meeting on Ultra-Wideband-Radar Systems

Ram M Narayanan, Z. Sun and C. Han, 2008, "Parameter Estimation of Heavy-Tailed Rayleigh Prior Model from Observed SAR Amplitude Images", Proc. 5th European Radar Conference (EuRAD), pp. 360-363

Ram M Narayanan and Q. Pan, 2008, "An RF Tag Communication System Model for Noise Radar", Proc. SPIE Conference on Wireless Sensing and Processing III, 6980, pp. 698007-1-698007-12

Ram M Narayanan and W.-J. Chen, 2008, "Adaptive MIMO Radar Detection Algorithm in a Spatially Correlated Clutter Environment", Proc. SPIE Conference on Wireless Sensing and Processing III, pp. 69800M-1-69800M-12

Ram M Narayanan, 2008, "Through Wall Radar Imaging Using UWB Noise Waveforms", Proc. International Conference on Acoustics, Speech, and Signal Processing (ICASSP), pp. 5185-5188

Ram M Narayanan, Z. Sun and C. Han, 2008, "Heavy-Tailed Exponential Distribution: Basic Properties and Parameter Estimation", Proc. 11th International Conference on Information Fusion (FUSION 2008), pp. 897-901

Ram M Narayanan, 2007, "Ultra Wide Band Noise Radars", Proc. International Radar Symposium India (IRSI-07), pp. P14 - P18

Ram M Narayanan, B. D. Paul, N. B. Sinha and R. N. Bera, 2007, "Three Dimensional Processing of Digital Array MIMO Radar and its Performance Analysis", Proc. International Radar Symposium India (IRSI-07), pp. 134-138

Ram M Narayanan and S. Papson, 2007, "Applying Target Shadow Models for SAR ATR", Proc. SPIE Conference on Signal Processing, Sensor Fusion, and Target Recognition XVI, 6567, pp. 65670H-1-65670H-10

Ram M Narayanan and S. C. Surender, 2007, "Synchronization for Wireless Multi-Radar Covert Communication Networks", Proc. SPIE Conference on Defense Transformation and Net-Centric Systems, 6578, pp. 65780U-1-65780U-12

Ram M Narayanan, C. P. Lai and Q. Ruan, 2007, "Hilbert-Huang Transform (HHT) Processing of Through-Wall Noise Radar Data for Human Activity Characterization", Proc. IEEE Workshop on Signal Processing Applications for Public Security and Forensics (SAFE 2007)

Ram M Narayanan, C. P. Lai and Q. Ruan, 2007, "Hilbert-Huang Transform (HHT) Analysis of Human Activities Using Through-Wall Noise Radar", Proc. International Symposium on Signals, Systems, and Electronics (ISSSE 2007)

Ram M Narayanan and Z. Li, 2007, "Cross-band Inverse Synthetic Aperture Radar (ISAR) Image Fusion", Proc. International Symposium on Signals, Systems, and Electronics (ISSSE 2007)

Ram M Narayanan, C. P. Lai and G. Culkowski, 2006, "Through Wall Surveillance Using Ultrawideband Random Noise Radar", Proc. 25th Army Science Conference (ASC 2006)

Ram M Narayanan and Y. Zhang, 2006, "UltraFast Threat Detection and Tracking Using Random-Noise Retrodirective Array and Monopulse", Proc. 25th Army Science Conference (ASC 2006)

Ram M Narayanan, 2006, "Hilbert-Huang Transform (HHT) Processing of Noise Radar Data for Identification of Human Activity Behind Walls", DARPA Urban Propagation Workshop, Proc. DARPA Urban Propagation Workshop

Ram M Narayanan and Z. Li, 2006, "Data Level Fusion of Multilook Inverse Synthetic Aperture Radar (ISAR) Images", Proc. 35th IEEE Applied Imagery Pattern Recognition (AIPR) Workshop on Theory and Application of Model-Based Image Analysis

Ram M Narayanan and S. Papson, 2006, "Modeling of Target Shadows for Synthetic Aperture Radar (SAR) Image Classification", Proc. 35th IEEE Applied Imagery Pattern Recognition (AIPR) Workshop on Theory and Application of Model-Based Image Analysis

Ram M Narayanan, J. Chuang and M. W. DeMay, 2006, "Secure Spread Spectrum Communication Using Ultrawideband Random Noise Signals", Proc. IEEE Military Communications Conference (MILCOM'06)

Ram M Narayanan and S. C. Surender, 2006, "Covert Netted Wireless Noise Radar Sensor: OFDMA-Based Communication Architecture", Proc. IEEE Military Communications Conference (MILCOM'06)

Ram M Narayanan and C.-P. Lai, 2005, "Through-wall Imaging and Characterization of Human Activity Using Ultrawideband (UWB) Random Noise Radar", SPIE Conference on Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security and Homeland Defense IV, 5778, pp. 186-195

Ram M Narayanan and Z. Li, 2005, "Doppler Visibility of Coherent Random Noise Radar Systems", SPIE Conference on Radar Sensor Technology IX, 5788, pp. 74-85

Ram M Narayanan and S. Papson, 2005, "Multiple Location SAR/ISAR Image Fusion for Enhanced Characterization of Targets", SPIE Conference on Radar Sensor Technology IX, 5788

Ram M Narayanan and J. Chuang, 2005, "Covert Communications Using Random Noise Signals: Overall System Simulation and Modulation Analysis", SPIE Conference on Digital Wireless Communications VII and Space Communication Technologies, 5819, pp. 13-20

Ram M Narayanan and K. M. Mohan, 2005, "Covert Communications Using Random Noise Signals: Effects of Atmospheric Propagation Nulls and Ambient Noise", SPIE Conference on Digital Wireless Communications VII and Space Communication Technologies, 5819, pp. 21-32

Ram M Narayanan and S. C. Surender, 2005, "Battlespace Surveillance Using Netted Wireless Random Noise Radar Systems", SPIE Conference on Defense Transformation and Network-Centric Systems, 5820, pp. 213-223

Ram M Narayanan and C. Rao, 2005, "Spectral Efficiency Considerations in Ultrawideband (UWB) Radar and Communications", SPIE Conference on Defense Transformation and Network-Centric Systems, 5820, pp. 224-234

Ram M Narayanan, S. Tan and D. L. Helder, 2005, "Polarimetric Reflectance and Depolarization Ratio From Several Tree Species Using a Multiwavelength Polarimetric Lidar", SPIE Conference on Polarization Science and Remote Sensing II, 5888, pp. 9

Abstracts

Ram M Narayanan, Fauzia Ahmad, Robert Creath and Cayce A Onks, 2026, "Micro-Doppler Radar Identifies Anterior Cruciate Ligament Injury Versus Control with High Accuracy"

Ram M Narayanan, Cayce A Onks, Fauzia Ahmad, Robert Creath, Jennifer Nyland, Leonard Kishel and Terrence Edward Murphy, 2025, "Can Micro-Doppler Radar be Used to Assess Risk of Musculoskeletal Injury Before Intensive Physical Activity?"

Ram M Narayanan, Charles Baylis, Douglas Sicker, Shannon Blunt, Zhu Han, David R Jackson, Dimitrios Peroulis, Mohammad Abu Khater, Aly El Gamal, Eric Perrins and Robert J Marks, 2021, "Multi-Level Adaptive and Reconfigurable Wireless Systems for Spectrum Sharing", pp. 240-240

Ram M Narayanan, 2019, "Information Elasticity Framework for Optimizing Decision Making Strategies in Sensor Networks"

Other

Ram M Narayanan, Huiyuan Zhou, Rohit Chandra and Ilangko Balasingham, 2018, "Medical Microwave Imaging and Analysis", pp. 451–466

Ram M Narayanan, Huiyuan Zhou, Ilangko Balasingham and Rohit Chandra, 2017, "Radar for Disease Detection and Monitoring", pp. 301-335

Ram M Narayanan, Benjamin Kirk, Jonathan Owen, Kyle Gallagher, Anthony Martone, Kelly Sherbondy and Shannon Blunt, 2017, "Development of a Software-Defined Radar", Technical Report ARL-TR-8152, pp. 44 pages

Ram M Narayanan, 2016, "Noise Radar Techniques and Progress", pp. 323-361

Ram M Narayanan, Benjamin J Kenawell, Brian R Phelan and Kelly D Sherbondy, 2016, "NETGEAR ProSAFE M4300 Series 10-GbE Switch Tutorial", Technical Note ARL-TN-0803, pp. 20 pages

Ram M Narayanan, Benjamin J Kenawell, Brian R Phelan and Kelly D Sherbondy, 2016, "QNAP 1263U Network Attached Storage (NAS)/ Storage Area Network (SAN) Device User’s Guide", Technical Note ARL-TN-0804, pp. 24 pages

Ram M Narayanan, 2015, "Why Study Electrical Engineering", pp. 11 pages

Ram M Narayanan, Gregory J Mazzaro, Kyle A Gallagher, Albert R Owens and Kelly D Sherbondy, 2015, "Ultra-Wideband Harmonic Radar for Locating Radio-Frequency Electronics", ARL-TR-7256, pp. 1-46

Ram M Narayanan, Gregory J Mazzaro, Sean F McGowan and Kelly D Sherbondy, 2015, "Harmonic Phase Response of Nonlinear Radar Targets", ARL-TR-7513, pp. 1-36

D. P. Fairchild, Ram M Narayanan, E. R. Beckel, W. K. Luk and G. A. Gaeta, 2014, "Through-the-Wall Micro-Doppler Signatures of Humans, Chapter 5"

M C Shastry, M Rangaswamy and Ram M Narayanan, 2014, "Chapter 13, Noise Radar Meets Compressive Sensing"

Ram M Narayanan, 2012, "Multifrequency Doppler Signatures of Human Activities"

Ram M Narayanan, 2011, "Advances in Noise Radar: Tomographic Imaging and Target-Matched Adaptive Illumination"

Ram M Narayanan and S. C. Small, 2011, "National Small Arms Center Educational Initiative"

Ram M Narayanan, 2011, "Wireless Technologies for Enhancing Small Arms Effectiveness"

Ram M Narayanan and M. C. Shastry, 2011, "Performance of Basis Pursuit Denoising Algorithms for Compressive Sensing Applications Involving Partial Toeplitz Random Matrices"

Ram M Narayanan and Y. Kwon, 2011, "Detection Performance of Distributed Radar Systems using Compressive Sensing"

Ram M Narayanan and T. Thayaparan, 2010, "Principles of Ultrawideband Noise Radar with Applications towards Detection of Obscured Targets"

Ram M Narayanan and E. H. Lenzing, 2010, "Small Arms Mounted Radar Sensor for Improving Aiming Accuracy"

Ram M Narayanan, 2009, "Stochastic Waveforms and Their Applications to Radar", pp. p. 10

• June 2017 - May 2022, "Spectral Coexistence and Reuse in Multifunctional Mobile Ad Hoc RF Networks," (Sponsor: Office of Naval Research).

• July 2018 - June 2020, "Human Simulator Target for Radar Measurements - Fabrication, Testing, and Signal Processing," (Sponsor: National Institute of Standards and Technology).

• May 2016 - April 2020, "Spectrally Tailored High-Resolution Ultrawideband Waveform Diversity Approach for Enhanced Detection of IED's," (Sponsor: Office of Naval Research).

• January 2017 - December 2019, "Adaptive Distributed Multi-Sensor Detection Using Information Elasticity Approach," (Sponsor: Air Force Office of Scientific Research).

• May 2016 - April 2018, "Human Simulator Target for Radar Measurements - Modeling and Validation Studies," (Sponsor: National Institute of Standards and Technology).

• May 2016 - January 2017, "High-Resolution Radar Waveforms Based on Randomized Latin Square Sequences," (Sponsor: Army Research Office).

• University Distinguished Professorship, Penn State University, January 2026

• Research Award, Kuwait University, April 2025

• Howard B. Palmer Faculty Mentoring Award, Penn State University, April 2025

• Alan Berman Annual Research Publications Award (ARPAD), Naval Research Laboratory (NRL), April 2024

• IIT Madras Distinguished Alumnus Award, Indian Institute of Technology, Chennai (Madras), December 2023

• Alan Berman Annual Research Publications Award (ARPAD), Naval Research Laboratory (NRL), April 2022

• Warren D. White Award, IEEE Aerospace and Electronic Systems Society, January 2017 - December 2017

• IETE Students' Journal Award, IETE, January 2017 - December 2017

• Outstanding Research Award, Penn State Engineering Alumni Society (PSEAS), January 2013 - April 2013

• Fellow, Institution of Electrical and Telecommunications Engineers (IETE), January 2010 - December 2010

• Fellow, International Society of Optical Engineering (SPIE), January 2004 - December 2004

• Outstanding Service Award, Institute of Electrical and Electronics Engineers Geoscience and Remote Sensing Society (IEEE GRSS), January 2003 - December 2003

• Faculty Teaching Award, College of Engineering/University of Nebraska, January 2002 - April 2002

• Fellow, Institute of Electrical and Electronics Engineers, January 2001 - December 2001

• Faculty Research Award, College of Engineering/University of Nebraska, January 2001 - April 2001

• Faculty Research Award, College of Engineering/University of Nebraska, January 1998 - April 1998

• Faculty Teaching Award, College of Engineering/University of Nebraska, January 1997 - April 1997

• Faculty Service Award, College of Engineering/University of Nebraska, January 1997 - April 1997

• Faculty Service Award, College of Engineering/University of Nebraska, January 1994 - April 1994

• Faculty Research Award, College of Engineering/University of Nebraska, January 1992 - April 1992

• Faculty Teaching Award, College of Engineering/University of Nebraska, January 1991 - April 1991

• Outstanding Faculty Award, University of Nebraska IEEE Student Section, January 1990 - February 1990

Service to Penn State:

• Other, Evaluator, Judging and Scoring, Penn State Graduate School, 2021 Graduate Exhibition, March 2021 - March 2021

• Committee Work, Member, Promotion and Tenure Committee, August 2020 - August 2022

• Committee Work, Member, Undergraduate Committee, August 2020

• Committee Work, Member, Faculty Awards Committee, August 2020

• Committee Work, Member, Non-Tenure Track Faculty Promotion Committee, October 2019

• Committee Work, Member, Strategic Committee, August 2018

• Committee Work, Member, Graduate Committee, August 2018 - August 2019

• Committee Work, Director, Center for Radar, Science, and Technology (CREST), December 2018

• Committee Work, Director, State College Area Radio Frequency (SCARF) Consortium, January 2018

• Committee Work, Member, Member, Center for Signal Integrity, Steering Committee, May 2017

• Committee Work, Chairperson, Faculty Mentoring Committee, September 2017

• Committee Work, Chairperson, AD-14 Review Committee for Radiation Science & Engineering Center, January 2016 - April 2016

• Committee Work, Member, Frontier Faculty Search Committee, September 2016 - August 2017

• Committee Work, Chairperson, Graduate Committee, August 2015 - August 2018

• Committee Work, Member, Safety Committee, August 2015 - August 2019

• Committee Work, Member, Promotion and Tenure (P&T) Committee, August 2014 - May 2016

• Committee Work, Member, Advisory Committee, August 2014 - August 2021

• Committee Work, Chairperson, Faculty Search Committee, August 2014 - April 2015

• Committee Work, Member, Electromagnetics Area Ph.D. Candidacy Examination Committee, August 2003

• Committee Work, Member, Electromagnetics, Remote Sensing, and Space Science (EMRSSS) Area Committee, August 2003

• Other, Presenter, The Tenure Challenge, Pennsylvania State University, January 2016

• Other, Presenter, DoD Funding Opportunities, Pennsylvania State University, March 2017

• Other, Presenter, Sources and Reduction of Noise in Circuits and Systems, Pennsylvania State University, November 2016

Service to External Organizations:

• Service to Business and Industry, Speaker, Presented a talk on "Nonlinear and Harmonic Radar", Riverside Research, March 2023 - April 2023

• Organizing Conferences and Service on Conference Committees, Moderator, Panel Session on Emerging Topics in Radar, SPIE Conference on Radar Sensor Technology XXVI, Orlando, FL, April 2021, April 2022 - April 2022

• Administrative Support Work, Editor, Section Associate Editor for Remote Sensors Section for Sensors Journal, MDPI Publishing, May 2020

• Service to Governmental Agencies, Committee Member, US Army Research Laboratory, July 2020

• Participation in or Service to Professional and Learned Societies, External Reviewer, Review of submissions to 2020 Posters on the Hill event, Council on Undergraduate Research, November 2019 - November 2019

• Service to Business and Industry, Establishment of Center for Radar Engineering, Science and Technology (CREST), May 2017

• Administrative Support Work, Editor, Member of the Editorial Board for Remote Sensors for Sensors Journal, MDPI Publishing, January 2017 - May 2020

• Voluntary Consultation and/or Advising, Committee Member, IEEE, June 2016

• Service to Business and Industry, Establishment of State College Area Radio Frequency (SCARF) Consortium, November 2016

• Organizing Conferences and Service on Conference Committees, Co-Organizer, Member, Program Committee, SPIE Conference on Radar Sensor Technology XX, Baltimore, MD, April 2016, September 2015 - April 2016

• Organizing Conferences and Service on Conference Committees, Co-Organizer, Member, Steering Committee, 39th International Conference on Telecommunications and Signal Processing (TSP), Vienna, Austria, June 2016, October 2015 - June 2016

• Administrative Support Work, Editor, Guest Co-Editor, Special Issue on "Micro-Doppler" for IET Radar, Sonar & Navigation, Vol. 9, No. 9, December 2015, December 2014 - December 2015

• Administrative Support Work, Editor, Guest Co-Editor, Special Issue on "Radar Applied to Remote Patient Monitoring and Eldercare" for IET Radar, Sonar & Navigation, Vol. 9, No. 2, February 2015, February 2014 - February 2015

• Organizing Conferences and Service on Conference Committees, Co-Organizer, Member, International Liaison Panel, International Radar Symposium India (IRSI), Bangalore, India, December 2015, December 2014 - December 2015

• Organizing Conferences and Service on Conference Committees, Co-Organizer, Co-Chair, Special Session on Radar Micro-Doppler Signatures, SPIE Conference on Radar Sensor Technology XIX and Proc. SPIE Conference on Active and Passive Signatures VI, Baltimore, MD, April 2015, September 2014 - April 2015

• Administrative Support Work, Editor, Associate Editor for Radar for the IEEE Transactions on Aerospace and Electronic Systems, July 2008 - May 2017

• Service to Public and Private Organizations, Mentor, MentorNet, April 2005

• Voluntary Consultation and/or Advising, Committee Member, IEEE, June 2004