Mid-infrared backscatter characteristics of various benchmark soils. - Ram M. Narayanan; Steven E. Green; Dennis R. Alexander (IEEE Trans. Geosci. Remote. Sens., 1992)

Statistical characteristics of simulated radar imagery from bare soil surfaces: effects of surface roughness and soil moisture variability. - Ram M. Narayanan; Rajan Pardipuram; Donald C. Rundquist (IEEE Trans. Geosci. Remote. Sens., 1994)

Information theoretic assessment and design of hyperspectral imaging systems. - Stephen E. Reichenbach; Yan Xiong; Ram M. Narayanan; Luyin Cao (Visual Information Processing, 1999)

Fuzzy feature-based image mining in remote sensing. - Jiang Li 011; Ram M. Narayanan; William J. Waltman; Albert J. Peters (Data Mining and Knowledge Discovery: Theory, Tools, and Technology, 2001)

Information theoretic assessment and design of hyperspectral imaging systems with nonuniform bandwidths. - Luyin Cao; Stephen E. Reichenbach; Ram M. Narayanan (Visual Information Processing, 2001)

Polarimetric processing of coherent random noise radar data for buried object detection. - Yi Xu; Ram M. Narayanan; Xiaojian Xu 001; John O. Curtis (IEEE Trans. Geosci. Remote. Sens., 2001)

Three-dimensional interferometric ISAR imaging for target scattering diagnosis and modeling. - Xiaojian Xu 001; Ram M. Narayanan (IEEE Trans. Image Process., 2001)

Theoretical aspects of radar imaging using stochastic waveforms. - Daryl C. Bell; Ram M. Narayanan (IEEE Trans. Signal Process., 2001)

A unified model for the information content of remote sensing imagery. - Brian R. Corner; Ram M. Narayanan; Stephen E. Reichenbach (IGARSS, 2002)

Shape-based change detection and information mining in remote sensing. - Jiang Li 011; Ram M. Narayanan (IGARSS, 2002)

An airborne low-cost SAR for remote sensing: hardware design and development. - Ram M. Narayanan; Paul C. Cantu; Xiaojian Xu 001 (IGARSS, 2002)

Comparison of microwave scattering models for leaf. - Gugandong Pan; Ram M. Narayanan (IGARSS, 2002)

A multiwavelength airborne polarimetric lidar for vegetation remote sensing: instrumentation and preliminary test results. - Songxin Tan; Ram M. Narayanan (IGARSS, 2002)

Hyperspectral information efficiency and pattern classification. - Stephen E. Reichenbach; Ram M. Narayanan (Visual Information Processing, 2002)

Information efficiency in hyperspectral imaging systems. - Stephen E. Reichenbach; Luyin Cao; Ram M. Narayanan (J. Electronic Imaging, 2002)

Overview of a course on electronic instrumentation design for senior undergraduate and graduate students. - Ram M. Narayanan (IEEE Trans. Educ., 2002)

Ultra-wideband continuous-wave random noise arc-SAR. - Dmitriy S. Garmatyuk; Ram M. Narayanan (IEEE Trans. Geosci. Remote. Sens., 2002)

A new measurement technique for obtaining the complex relative permittivity of terrain surfaces. - Heung-Soo Kim; Ram M. Narayanan (IEEE Trans. Geosci. Remote. Sens., 2002)

Enhanced resolution in 3-D interferometric ISAR imaging using an iterative SVA procedure. - Xiaojian Xu 001; Ram M. Narayanan (IGARSS, 2003)

Impact of different correlation receiving techniques on the imaging performance of UWB random noise radar. - Xiaojian Xu 001; Ram M. Narayanan (IGARSS, 2003)

A shape-based approach to change detection of lakes using time series remote sensing images. - Jiang Li 011; Ram M. Narayanan (IEEE Trans. Geosci. Remote. Sens., 2003)

Acoustooptic correlation processing in random noise radar. - Ram M. Narayanan; Wei Zhou 001; Kelvin H. Wagner; Sangtaek Kim (IEEE Geosci. Remote. Sens. Lett., 2004)

Integrated spectral and spatial information mining in remote sensing imagery. - Jiang Li 011; Ram M. Narayanan (IEEE Trans. Geosci. Remote. Sens., 2004)

Enhanced resolution in SAR/ISAR imaging using iterative sidelobe apodization. - Xiaojian Xu 001; Ram M. Narayanan (IEEE Trans. Image Process., 2005)

Data Level Fusion of Multilook Inverse Synthetic Aperture Radar (ISAR) Images. - Zhixi Li; Ram M. Narayanan (AIPR, 2006)

Modeling of Target Shadows for SAR Image Classification. - Scott Papson; Ram M. Narayanan (AIPR, 2006)

Heavy-tailed exponential distribution: Basic properties and parameter estimation. - Zengguo Sun; Chongzhao Han; Ram M. Narayanan (FUSION, 2008)

Design, Analysis, and Performance of a Noise Modulated Covert Communications System. - Jack Chuang; Matthew W. DeMay; Ram M. Narayanan (EURASIP J. Wirel. Commun. Netw., 2008)

Persistence modeling of angularly dependent synthetic aperture radar imagery. - Scott Papson; Ram M. Narayanan (J. Electronic Imaging, 2008)

Through-wall radar imaging using UWB noise waveforms. - Ram M. Narayanan (J. Frankl. Inst., 2008)

Data-Level Fusion of Multilook Inverse Synthetic Aperture Radar Images. - Zhixi Li; Scott Papson; Ram M. Narayanan (IEEE Trans. Geosci. Remote. Sens., 2008)

Calibration factor estimation based on statistical modeling of scattering coefficient. - Zengguo Sun; Chongzhao Han; Ram M. Narayanan; Shigang Liu (FUSION, 2009)

Performance Analysis of Communications & Radar Coexistence in a Covert UWB OSA System. - Shrawan Chittoor Surender; Ram M. Narayanan; Chita R. Das (GLOBECOM, 2010)

Design and performance of an integrated waveform-agile multi-modal track-before-detect sensing system. - Shubo Liu; Surendra S. Bhat; Jun Jason Zhang; Quan Ding; Ram M. Narayanan; Antonia Papandreou-Suppappola; Steven Kay; Muralidhar Rangaswamy (ACSCC, 2011)

Earthquake survivor detection using life signals from radar micro-Doppler. - Ram M. Narayanan (ACWR, 2011)

Delay-Modulated RF Tag System Concept Using Ultrawideband Noise Radar Waveforms. - Qihe Pan; Ram M. Narayanan (Int. J. Distributed Sens. Networks, 2011)

Design of a Covert RFID Tag Network for Target Discovery and Target Information Routing. - Qihe Pan; Ram M. Narayanan (Sensors, 2011)

UWB Noise-OFDM Netted Radar: Physical Layer Design and Analysis. - Shrawan Chittoor Surender; Ram M. Narayanan (IEEE Trans. Aerosp. Electron. Syst., 2011)

Ampliude based compressive sensing for UWB noise radar signal. - Ji Wu 005; Qilian Liang; Dechang Chen; Xiuzhen Cheng 001; Ram M. Narayanan (GLOBECOM Workshops, 2012)

Bandwidth sharing and scheduling for multimodal radar with communications and tracking. - Surendra S. Bhat; Ram M. Narayanan; Muralidhar Rangaswamy (SAM, 2012)

Source localization using unique characterizations of multipath propagation in an urban environment. - Brian R. Phelan; Erik H. Lenzing; Ram M. Narayanan (SAM, 2012)

Analysis and design of algorithms for compressive sensing based noise radar systems. - Mahesh C. Shastry; Yangsoo Kwon; Ram M. Narayanan; Muralidhar Rangaswamy (SAM, 2012)

Design, Performance and Optimization for Multimodal Radar Operation. - Surendra S. Bhat; Ram M. Narayanan; Muralidhar Rangaswamy (Sensors, 2012)

CGLRT plus TDL Beamforming for Ultrawideband MIMO Noise Radar. - Wei-Jen Chen; Ram M. Narayanan (IEEE Trans. Aerosp. Electron. Syst., 2012)

Classification via the Shadow Region in SAR Imagery. - Scott Papson; Ram M. Narayanan (IEEE Trans. Aerosp. Electron. Syst., 2012)

Fast Threat Detection and Localization using Super-Regenerative Transceiver in Random Noise Radar. - Yan Zhang 011; Shang Wang 003; Ram M. Narayanan (IEEE Trans. Aerosp. Electron. Syst., 2012)

A Portable Real-Time Digital Noise Radar System for Through-the-Wall Imaging. - Pin-Heng Chen; Mahesh C. Shastry; Chieh-Ping Lai; Ram M. Narayanan (IEEE Trans. Geosci. Remote. Sens., 2012)

Performance of Non-Polarized Noise Modulated Communications System in the Presence of Interference. - Jack Chuang; Ram M. Narayanan (Wirel. Pers. Commun., 2012)

Cross-layered resource allocation in UWB noise-OFDM-based ad hoc surveillance networks. - Shrawan Chittoor Surender; Ram M. Narayanan; Chita R. Das (EURASIP J. Wirel. Commun. Netw., 2013)

Target detection and reconstruction for compressive multiple-input, multiple-output ultra-wideband noise radar imaging. - Yangsoo Kwon; Ram M. Narayanan; Muralidhar Rangaswamy (J. Electronic Imaging, 2013)

Waveform design for compressively sampled ultrawideband radar. - Mahesh C. Shastry; Ram M. Narayanan; Muralidhar Rangaswamy (J. Electronic Imaging, 2013)

Multi-Target Detection using Total Correlation for Noise Radar Systems. - Yangsoo Kwon; Ram M. Narayanan; Muralidhar Rangaswamy (IEEE Trans. Aerosp. Electron. Syst., 2013)

Compressive noise radar for urban sensing. - Mahesh C. Shastry; Ram M. Narayanan; Muralidhar Rangaswamy (SAM, 2014)

Compressive sensing based image reconstruction for synthetic aperture radar using discrete cosine transform and noiselets. - Tae Hee Kim; Ram M. Narayanan (TSP, 2015)

Radar signatures of furniture elements. - Travis D. Bufler; Ram M. Narayanan; Traian Dogaru (IEEE Trans. Aerosp. Electron. Syst., 2015)

Sparsity-based signal processing for noise radar imaging. - Mahesh C. Shastry; Ram M. Narayanan; Muralidhar Rangaswamy (IEEE Trans. Aerosp. Electron. Syst., 2015)

On the Opportunities and Challenges in Microwave Medical Sensing and Imaging. - Rohit Chandra; Huiyuan Zhou; Ilangko Balasingham; Ram M. Narayanan (IEEE Trans. Biomed. Eng., 2015)

Multistatic micro-doppler radar for determining target orientation and activity classification. - Dustin P. Fairchild; Ram M. Narayanan (IEEE Trans. Aerosp. Electron. Syst., 2016)

Analysis of sparse co-prime sensing array performance using wideband noise signals. - David B. Alexander; Ram M. Narayanan; Braham Himed (ACSSC, 2017)

Theoretical and computational analysis of the quantum radar cross section for simple geometrical targets. - Matthew J. Brandsema; Ram M. Narayanan; Marco Lanzagorta (Quantum Inf. Process., 2017)

Applying Periodic Retraining to Survival Analysis-Based Dynamic Spectrum Access Algorithms. - Michael V. Lipski; Ram M. Narayanan (MILCOM, 2018)

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

Multistatic Doppler Estimation Using Global Positioning System Passive Coherent Location. - Sean A. Kaiser; Andrew J. Christianson; Ram M. Narayanan (IEEE Trans. Aerosp. Electron. Syst., 2019)

Avoidance of Time-Varying Radio Frequency Interference With Software-Defined Cognitive Radar. - Benjamin H. Kirk; Ram M. Narayanan; Kyle A. Gallagher; Anthony F. Martone; Kelly D. Sherbondy (IEEE Trans. Aerosp. Electron. Syst., 2019)

An Information Elasticity Framework for the Adaptive Matched Filter. - Ram M. Narayanan; Andrew Z. Liu; Muralidhar Rangaswamy (IEEE Trans. Aerosp. Electron. Syst., 2020)

A Wideband Method of Moments Target Modeling and Feature Extraction Approach for GPR Imaging. - Zacharie Idriss; Raghu G. Raj; Ram M. Narayanan (IGARSS, 2021)

A Model for Coherent Communication Gain in Distributed Wireless Networks. - Michael V. Lipski; Sastry Kompella; Ram M. Narayanan (MASS, 2021)

QoS Extension to a B.A.T.M.A.N. based LoRa Mesh Network. - Frederick M. Chache; Sean Maxon; Ram M. Narayanan; Ramesh Bharadwaj (MILCOM, 2021)

Roadmap on Signal Processing for Next Generation Measurement Systems. - Dimitris K. Iakovidis; Melanie Ooi; Ye Chow Kuang; Serge Demidenko; Alexandr Shestakov; Vladimir Sinistin; Manus P. Henry; Andrea Sciacchitano; Stefano Discetti; Silvano Donati; Michele Norgia; Andreas Menychtas; et al. (CoRR, 2021)

Operational Reliability Metric to Characterize Radar Detection Performability. - Tyler D. Ridder; Ram M. Narayanan (Int. J. Perform. Eng., 2021)

Radar Detection Performability under Graceful Degradation. - Tyler D. Ridder; Ram M. Narayanan (Int. J. Perform. Eng., 2021)

Target Classification in Synthetic Aperture Radar Images Using Quantized Wavelet Scattering Networks. - Raghu G. Raj; Maxine R. Fox; Ram M. Narayanan (Sensors, 2021)

Waveform Optimization for Multistatic Radar Imaging Using Mutual Information. - Zacharie Idriss; Raghu G. Raj; Ram M. Narayanan (IEEE Trans. Aerosp. Electron. Syst., 2021)

Evaluation of Real-Time Predictive Spectrum Sharing for Cognitive Radar. - Jacob A. Kovarskiy; Benjamin H. Kirk; Anthony F. Martone; Ram M. Narayanan; Kelly D. Sherbondy (IEEE Trans. Aerosp. Electron. Syst., 2021)

Practical Implementation of Adaptive Threshold Energy Detection using Software Defined Radio. - Michael V. Lipski; Sastry Kompella; Ram M. Narayanan (IEEE Trans. Aerosp. Electron. Syst., 2021)

Language-Based Cost Functions: Another Step Toward a Truly Cognitive Radar. - Paul G. Singerman; Sean M. O'Rourke; Ram M. Narayanan; Muralidhar Rangaswamy (IEEE Trans. Aerosp. Electron. Syst., 2021)

Radar Cross-Section Modeling of Space Debris. - Justin K. A. Henry; Ram M. Narayanan; Puneet Singla (DDDAS, 2022)

Improving Quality of Service in a Mesh Network Using Age of Information. - Frederick M. Chache; Sean Maxon; Ram M. Narayanan; Ramesh Bharadwaj (MILCOM, 2022)

Application of multidomain sensor image fusion and training data augmentation for enhanced CNN image classification. - Ferris I. Arnous; Ram M. Narayanan; Bing C. Li (J. Electronic Imaging, 2022)

Many-Objective RadarCom Signal Design via NSGA-II Genetic Algorithm Implementation and Simulation Analysis. - Richard Washington; Dmitriy Garmatyuk; Saba Mudaliar; Ram M. Narayanan (Remote. Sens., 2022)

A Computational Electromagnetics and Sparsity-Based Feature Extraction Approach to Ground-Penetrating Radar Imaging. - Zacharie Idriss; Raghu G. Raj; Ram M. Narayanan (IEEE Trans. Geosci. Remote. Sens., 2022)

Derivation of K-Factor Detection Statistics to Discriminate Between LOS and NLOS Scenarios. - Donald L. Hall; Matthew J. Brandsema; Ram M. Narayanan (IEEE Trans. Wirel. Commun., 2022)

Effects of Lossy Compression on the Age of Information in a Low Power Network. - Frederick M. Chache; Sean Maxon; Ram M. Narayanan; Ramesh Bharadwaj (WoWMoM, 2023)

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

Radar Target Classification Receiver Using Sparse Regression and Target Tailored Matched Filters. - Caden J. Pici; Sastry Kompella; Ram M. Narayanan (IEEE Trans. Aerosp. Electron. Syst., 2023)

Multiple-Criteria Operational Reliability Performance Metric of a Metacognitive Tracking Radar. - Tyler D. Ridder; Anthony F. Martone; Benjamin H. Kirk; Ram M. Narayanan (IEEE Trans. Aerosp. Electron. Syst., 2023)

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

MIMO imaging method with iterative-based super-resolution for automotive radar. - Bong-Seok Kim; Jonghun Lee; Youngseok Jin; Sangdong Kim; Ram M. Narayanan (ICASSP, 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. - Ferris I. Arnous; Ram M. Narayanan (J. Electronic Imaging, 2024)

Symbolic Dynamics for Radar Target Maneuver Detection With High Data Rates. - Paul G. Singerman; Sean M. O'Rourke; Ram M. Narayanan; Asok Ray; Muralidhar Rangaswamy (IEEE Trans. Aerosp. Electron. Syst., 2024)

TDD Mode Identification for Spectrum Sharing Applications. - Jordan A. Devault; Ram M. Narayanan; Anthony F. Martone (IEEE Trans. Aerosp. Electron. Syst., 2024)

A Data-Driven Approach to Modeling Sea Clutter Stochastic Differential Equations. - Caden J. Pici; Asok Ray; Sastry Kompella; Ram M. Narayanan (IEEE Trans. Aerosp. Electron. Syst., 2024)

Applying Machine Learning to Adaptive Array Signal Processing Weight Generation. - Matthew P. Singman; Ram M. Narayanan (IEEE Trans. Aerosp. Electron. Syst., 2024)

Radar Ambiguity Functions of Binary-Coded and Frequency-Hopped Waveforms Designed Based on the Permutations of Sudoku Matrix. - Malek G. M. Hussain; Ram M. Narayanan (IEEE Trans. Aerosp. Electron. Syst., 2025)