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Abnormal gait detection and classification using micro-Doppler radar signatures

Hall, D. L., Ridder, T. D. & Narayanan, R. M., Jan 1 2019, Radar Sensor Technology XXIII. Ranney, K. I. & Doerry, A. (eds.). SPIE, 110030Q. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 11003).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

radar signatures
gait
Doppler radar
Gait
Doppler

A compound Gaussian-based waveform design approach for enhanced target detection in multistatic radar imaging

Idriss, Z., Raj, R. G. & Narayanan, R. M., Jan 1 2019, Radar Sensor Technology XXIII. Ranney, K. I. & Doerry, A. (eds.). SPIE, 110031C. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 11003).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

multistatic radar
Radar Imaging
Radar imaging
Target Detection
Target tracking
10 Citations (Scopus)

Adaptable bandwidth for harmonic step-frequency radar

Martone, A. F., Gallagher, K. A., Sherbondy, K. D., Ranney, K. I., Dogaru, T. V., Mazzaro, G. J. & Narayanan, R. M., Jan 1 2015, In : International Journal of Antennas and Propagation. 2015, 808093.

Research output: Contribution to journalArticle

Radar
Bandwidth
Radio interference

Additive manufacturing for microwave and millimeter-wave antennas: A summary of current technology and experimentation

O'Neill, A. D., Davidson, J. C., Kane, T. J. & Narayanan, R. M., Jan 1 2019, Image Sensing Technologies: Materials, Devices, Systems, and Applications VI. Babu, S. R., Dhar, N. K. & Dutta, A. K. (eds.). SPIE, 109800Y. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10980).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3D printers
Millimeter Wave
experimentation
Millimeter waves
Stereolithography
mesh
sampling
Microwaves
Sampling
microwaves
2 Citations (Scopus)

A dynamic spectrum analysis solution for the characterization of the UHF spectrum

Pooler, R. K., Narayanan, R. M., Sherbondy, K. D., Martone, A. F. & Gallagher, K. A., Jan 1 2016, Radar Sensor Technology XX. Doerry, A. & Ranney, K. I. (eds.). SPIE, 98290R. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9829).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Spectrum Analysis
Frequency Spectrum
ultrahigh frequencies
Dynamic Analysis
Spectrum analysis
5 Citations (Scopus)

Ampliude based compressive sensing for UWB noise radar signal

Wu, J., Liang, Q., Chen, D., Cheng, X. & Narayanan, R. M., Dec 1 2012, 2012 IEEE Globecom Workshops, GC Wkshps 2012. p. 1430-1434 5 p. 6477794. (2012 IEEE Globecom Workshops, GC Wkshps 2012).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Spurious signal noise
Ultra-wideband (UWB)
Military operations
9 Citations (Scopus)
foliage
Radar systems
radar
waveforms
penetration
8 Citations (Scopus)

A multi-target detector using mutual information for noise radar systems in low SNR regimes

Kwon, Y., Narayanan, R. M. & Rangaswamy, M., Nov 22 2010, 2010 International Waveform Diversity and Design Conference, WDD 2010. p. 105-109 5 p. 5592388. (2010 International Waveform Diversity and Design Conference, WDD 2010).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Radar systems
Target tracking
Signal to noise ratio
Detectors
Correlation detectors
3 Citations (Scopus)

An adaptive multimodal radar system with progressive resolution enhancement

Bhat, S., Narayanan, R. M. & Rangaswamy, M., Nov 22 2010, 2010 International Waveform Diversity and Design Conference, WDD 2010. p. 95-99 5 p. 5592382

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Frequency modulation
Radar systems
Bandwidth
Sensors
3 Citations (Scopus)

Analysis and design of algorithms for compressive sensing based noise radar systems

Shastry, M. C., Kwon, Y., Narayanan, R. M. & Rangaswamy, M., Oct 12 2012, 2012 IEEE 7th Sensor Array and Multichannel Signal Processing Workshop, SAM 2012. p. 333-336 4 p. 6250503. (Proceedings of the IEEE Sensor Array and Multichannel Signal Processing Workshop).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Radar imaging
Radar systems
Error analysis
Radar
Concretes
2 Citations (Scopus)

Analysis and implementation of the foveated vision of the raptor eye

Long, A. D., Narayanan, R. M., Kane, T. J., Rice, T. F. & Tauber, M. J., Jan 1 2016, Image Sensing Technologies: Materials, Devices, Systems, and Applications III. Dhar, N. K. & Dutta, A. K. (eds.). SPIE, 98540T. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9854).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

fovea
Field of View
Optical systems
field of view
Optical System
1 Citation (Scopus)

Analysis of Damage in Unidirectional CFRP Circuit Analog Absorbers

Ordonnell, J. C., Narayanan, R. M. & Lenzing, E. H., Dec 3 2018, NAECON 2018 - IEEE National Aerospace and Electronics Conference. Institute of Electrical and Electronics Engineers Inc., p. 555-560 6 p. 8556636. (Proceedings of the IEEE National Aerospace Electronics Conference, NAECON; vol. 2018-July).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Carbon fibers
Radar absorbing materials
Sandwich structures
Networks (circuits)
Polymers

Analysis of sparse co-prime sensing array performance using wideband noise signals

Alexander, D. B., Narayanan, R. M. & Himed, B., Apr 10 2018, Conference Record of 51st Asilomar Conference on Signals, Systems and Computers, ACSSC 2017. Matthews, M. B. (ed.). Institute of Electrical and Electronics Engineers Inc., p. 1147-1151 5 p. 8335530. (Conference Record of 51st Asilomar Conference on Signals, Systems and Computers, ACSSC 2017; vol. 2017-October).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Direction of arrival
Sensing
broadband
Bandwidth
Waveform
1 Citation (Scopus)

Analysis of Sudoku coded waveforms and application to planar phased arrays

Bufler, T. D., Narayanan, R. M. & Sherbondy, K. D., Jun 7 2017, 2017 IEEE Radar Conference, RadarConf 2017. Institute of Electrical and Electronics Engineers Inc., p. 1239-1244 6 p. 7944394. (2017 IEEE Radar Conference, RadarConf 2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

beam steering
permutations
antenna arrays
phased arrays
Antenna arrays
2 Citations (Scopus)

Analysis of the tolerance of compressive noise radar systems to multiplicative perturbations

Shastry, M. C., Narayanan, R. M. & Rangaswamy, M., Jan 1 2014, Compressive Sensing III. Ahmad, F. (ed.). SPIE, 910905. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9109).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Radar systems
Radar
Linear systems
Tolerance
radar
5 Citations (Scopus)

Analytical formulation of the quantum electromagnetic cross section

Brandsema, M., Narayanan, R. M. & Lanzagorta, M., Jan 1 2016, Radar Sensor Technology XX. Doerry, A. & Ranney, K. I. (eds.). SPIE, Vol. 9829. 98291H

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Radar Cross Section
radar cross sections
Radar cross section
Cross section
electromagnetism

Analyzing receiver bandwidth for near-range ultra-wideband pulse compression imaging radar systems

Phelan, B. R., Kelly, C. D., Sherbondy, K. D. & Narayanan, R. M., Jan 1 2019, Radar Sensor Technology XXIII. Ranney, K. I. & Doerry, A. (eds.). SPIE, 110031E. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 11003).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pulse Compression
imaging radar
Radar Imaging
Pulse compression
Radar imaging
2 Citations (Scopus)

An overview of spectrum sensing for harmonic radar

Martone, A. F., Ranney, K. I., Sherbondy, K. D., Gallagher, K. A., Mazzaro, G. J. & Narayanan, R. M., Dec 30 2016, 2016 International Symposium on Fundamentals of Electrical Engineering, ISFEE 2016. Institute of Electrical and Electronics Engineers Inc., 7803226. (2016 International Symposium on Fundamentals of Electrical Engineering, ISFEE 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

radar
Radar
radio frequency interference
harmonics
clutter
19 Citations (Scopus)

Antenna placement for minimizing target localization error in UWB MIMO noise radar

Chen, W. J. & Narayanan, R. M., Apr 4 2011, In : IEEE Antennas and Wireless Propagation Letters. 10, p. 135-138 4 p., 5720259.

Research output: Contribution to journalArticle

Spurious signal noise
MIMO systems
Ultra-wideband (UWB)
Antennas
Radar systems
48 Citations (Scopus)

A portable real-time digital noise radar system for through-the-wall imaging

Chen, P. H., Shastry, M. C., Lai, C. P. & Narayanan, R. M., Apr 10 2012, In : IEEE Transactions on Geoscience and Remote Sensing. 50, 10 PART2, p. 4123-4134 12 p., 6178010.

Research output: Contribution to journalArticle

Radar systems
radar
Spurious signal noise
Imaging techniques
signal processing

Application and performance of convolutional neural networks to SAR

Fox, M. R. & Narayanan, R. M., Jan 1 2018, Radar Sensor Technology XXII. Doerry, A. & Ranney, K. I. (eds.). SPIE, 1063304. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10633).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Neural Networks
Neural networks
Network Performance
Network Architecture
Network Design

Application of microwave noiselets for nondestructive testing of unidirectional carbon fiber reinforced polymers

Navagato, M. D. & Narayanan, R. M., Jan 1 2019, Radar Sensor Technology XXIII. Ranney, K. I. & Doerry, A. (eds.). SPIE, 1100316. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 11003).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Carbon Fiber
carbon fibers
Nondestructive examination
Microwave
Carbon fibers
17 Citations (Scopus)

Application of radar to remote patient monitoring and eldercare

Ahmad, F., Narayanan, R. M. & Schreurs, D., Feb 1 2015, In : IET Radar, Sonar and Navigation. 9, 2, 1 p.

Research output: Contribution to journalEditorial

Remote patient monitoring
Radar
5 Citations (Scopus)

Application of Unidirectional Carbon-Fiber-Reinforced-Polymer Laminas in Circuit-Analog Absorbers

Riley, E. J., Lenzing, E. H. & Narayanan, R. M., Dec 1 2018, In : IEEE Transactions on Electromagnetic Compatibility. 60, 6, p. 1743-1751 9 p., 8334655.

Research output: Contribution to journalArticle

analog circuits
carbon fibers
Carbon fibers
absorbers
Networks (circuits)
3 Citations (Scopus)

Applying Periodic Retraining to Survival Analysis-Based Dynamic Spectrum Access Algorithms

Lipski, M. V. & Narayanan, R. M., Jan 2 2019, 2018 IEEE Military Communications Conference, MILCOM 2018. Institute of Electrical and Electronics Engineers Inc., p. 871-876 6 p. 8599767. (Proceedings - IEEE Military Communications Conference MILCOM; vol. 2019-October).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hazards
1 Citation (Scopus)

A stochastic model for prediction and avoidance of RF interference to cognitive radars

Kovarskiy, J. A., Narayanan, R. M., Martone, A. F. & Sherbondy, K. D., Apr 2019, 2019 IEEE Radar Conference, RadarConf 2019. Institute of Electrical and Electronics Engineers Inc., 8835523. (2019 IEEE Radar Conference, RadarConf 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

radio frequency interference
avoidance
Stochastic models
radar
radio frequencies
1 Citation (Scopus)

A technique for the extraction of ultra-wideband (UWB) signals concealed in frequency band folded responses

Vela, R., Narayanan, R. M. & Erisman, D., Jul 13 2011, Radar Sensor Technology XV. Vol. 8021. 80211A

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ultra-wideband (UWB)
Frequency bands
Waveform
Bandwidth
Digitization
1 Citation (Scopus)

A technique for the generation of customizable ultra-wideband pseudo-noise waveforms

Vela, R., Erisman, D. & Narayanan, R. M., Jul 13 2011, Radar Sensor Technology XV. 802118. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 8021).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

pseudonoise
Ultra-wideband (UWB)
Waveform
waveforms
broadband
1 Citation (Scopus)

A thorough analysis of various geometries for a dynamic calibration target for through-wall and through-rubble radar

Harner, M. J., Narayanan, R. M., Jendzurski, J. R. & Paulter, N. G., Jan 1 2018, Radar Sensor Technology XXII. Doerry, A. & Ranney, K. I. (eds.). SPIE, 106330Y. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10633).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

radar cross sections
Radar
radar
Calibration
Target

A thresholding scheme for target detection for noise radar systems based on random matrix theory

Kwon, Y., Narayanan, R. M. & Rangaswamy, M., Jan 1 2014, 2014 IEEE Radar Conference: From Sensing to Information, RadarCon 2014. Institute of Electrical and Electronics Engineers Inc., p. 692-695 4 p. 6875679. (IEEE National Radar Conference - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Radar systems
Target tracking
Receiving antennas
6 Citations (Scopus)

Automated cancellation of harmonics using feed-forward filter reflection for radar transmitter linearization

Gallagher, K. A., Mazzaro, G. J., Narayanan, R. M., Sherbondy, K. D. & Martone, A. F., Jan 1 2014, Radar Sensor Technology XVIII. SPIE, 907703. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9077).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

radar transmitters
Radar transmitters
linearization
Feedforward
Cancellation
5 Citations (Scopus)

Avoidance of Time-Varying Radio Frequency Interference with Software-Defined Cognitive Radar

Kirk, B. H., Narayanan, R. M., Gallagher, K. A., Martone, A. F. & Sherbondy, K. D., Jun 2019, In : IEEE Transactions on Aerospace and Electronic Systems. 55, 3, p. 1090-1107 18 p., 8574912.

Research output: Contribution to journalArticle

Radar systems
Radar
Atmospheric spectra
Communication
Global system for mobile communications
1 Citation (Scopus)

Band-limited random waveforms in compressive radar imaging

Shastry, M. C., Narayanan, R. M. & Rangaswamy, M., Jul 23 2012, Compressive Sensing. 83650U. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 8365).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

imaging radar
Radar Imaging
Radar imaging
Waveform
waveforms
9 Citations (Scopus)

Bandwidth sharing and scan scheduling in multimodal radar with communications and tracking

Bhat, S. S., Narayanan, R. M. & Rangaswamy, M., Sep 1 2013, In : IETE Journal of Research. 59, 5, p. 551-562 12 p.

Research output: Contribution to journalArticle

Radar
Sharing
Scheduling
Bandwidth
Communication
12 Citations (Scopus)

Bandwidth sharing and scheduling for multimodal radar with communications and tracking

Bhat, S. S., Narayanan, R. M. & Rangaswamy, M., Oct 12 2012, 2012 IEEE 7th Sensor Array and Multichannel Signal Processing Workshop, SAM 2012. p. 233-236 4 p. 6250476. (Proceedings of the IEEE Sensor Array and Multichannel Signal Processing Workshop).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Radar
Scheduling
Bandwidth
Communication
Space surveillance
3 Citations (Scopus)

Bistatic and multistatic target identification for through-wall radar imaging

Allebach, J. M., Narayanan, R. M., Hoe, B. & Broderick, S. P., Jan 1 2015, Radar Sensor Technology XIX; and Active and Passive Signatures VI. Doerry, A., Hawley, C. T., Gilbreath, G. C. & Ranney, K. I. (eds.). SPIE, Vol. 9461. 94610G

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Target Identification
imaging radar
Radar Imaging
Radar imaging
clutter
12 Citations (Scopus)

CGLRT plus TDL beamforming for ultrawideband MIMO noise radar

Chen, W. J. & Narayanan, R. M., Jul 23 2012, In : IEEE Transactions on Aerospace and Electronic Systems. 48, 3, p. 1858-1869 12 p., 6237566.

Research output: Contribution to journalArticle

Spurious signal noise
Electric delay lines
Beamforming
Impulse response
Ultra-wideband (UWB)

Channel-hopping blind rendezvous for cognitive radio networks using channel occupancy prediction

Lipski, M. V. & Narayanan, R. M., Jan 1 2019, Radar Sensor Technology XXIII. Ranney, K. I. & Doerry, A. (eds.). SPIE, 1100319. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 11003).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

rendezvous
Rendezvous
Cognitive Radio Networks
Cognitive radio
Ad hoc networks
7 Citations (Scopus)

Characterization of carbon fiber composite materials for RF applications

Riley, E. J., Lenzing, E. H. & Narayanan, R. M., Jan 1 2014, Radar Sensor Technology XVIII. SPIE, 907704. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9077).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Carbon Fiber
fiber composites
carbon fibers
Composite Materials
Carbon fibers
4 Citations (Scopus)

Characterization of radar cross section of carbon fiber composite materials

Riley, E. J., Lenzing, E. H. & Narayanan, R. M., Jan 1 2015, Radar Sensor Technology XIX; and Active and Passive Signatures VI. Doerry, A., Hawley, C. T., Gilbreath, G. C. & Ranney, K. I. (eds.). SPIE, Vol. 9461. 946103

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Radar Cross Section
radar cross sections
Radar cross section
Carbon Fiber
fiber composites
2 Citations (Scopus)
Carbon fibers
Polymers
Fabrication
Uncertainty
carbon fiber
3 Citations (Scopus)

Characterizing detection thresholds using extreme value theory in compressive noise radar imaging

Shastry, M. C., Narayanan, R. M. & Rangaswamy, M., Aug 8 2013, Compressive Sensing II. 87170B. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 8717).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

imaging radar
Radar Imaging
Extreme Value Theory
Radar imaging
Target tracking
6 Citations (Scopus)

Circuit models for Salisbury screens made from unidirectional carbon fiber composite sandwich structures

Riley, E. J., Lenzing, E. H. & Narayanan, R. M., Jan 1 2016, Radar Sensor Technology XX. Doerry, A. & Ranney, K. I. (eds.). SPIE, 982915. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9829).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sandwich Structures
Sandwich structures
Carbon Fiber
sandwich structures
Composite Structures
11 Citations (Scopus)

Classification and modeling of human activities using empirical mode decomposition with S-band and millimeter-wave micro-Doppler radars

Fairchild, D. P. & Narayanan, R. M., Dec 1 2012, Radar Sensor Technology XVI. 83610X. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 8361).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

S band
Millimeter Wave
Doppler
Millimeter waves
millimeter waves
87 Citations (Scopus)

Classification of human motions using empirical mode decomposition of human micro-doppler signatures

Fairchild, D. P. & Narayanan, R. M., 2014, In : IET Radar, Sonar and Navigation. 8, 5, p. 425-434 10 p.

Research output: Contribution to journalArticle

Fourier transforms
Radar
Decomposition
Patient monitoring
Millimeter waves
59 Citations (Scopus)

Classification via the shadow region in SAR imagery

Papson, S. & Narayanan, R. M., Apr 1 2012, In : IEEE Transactions on Aerospace and Electronic Systems. 48, 2, p. 969-980 12 p., 6178042.

Research output: Contribution to journalArticle

Synthetic aperture radar
Classifiers
Radar imaging
Data fusion
Radar
8 Citations (Scopus)

Cognitive software defined radar: Waveform design for clutter and interference suppression

Kirk, B. H., Owen, J. W., Narayanan, R. M., Blunt, S. D., Martone, A. F. & Sherbondy, K. D., Jan 1 2017, Radar Sensor Technology XXI. Doerry, A. & Ranney, K. I. (eds.). SPIE, Vol. 10188. 1018818

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Interference Suppression
Interference suppression
clutter
Clutter
Waveform
9 Citations (Scopus)

Cognitive software defined radar: A reactive approach to RFI avoidance

Kirk, B. H., Gallagher, K. A., Owen, J. W., Narayanan, R. M., Martone, A. F. & Sherbondy, K. D., Jun 8 2018, 2018 IEEE Radar Conference, RadarConf 2018. Institute of Electrical and Electronics Engineers Inc., p. 630-635 6 p. (2018 IEEE Radar Conference, RadarConf 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

resin film infusion
avoidance
Radar systems
radar
Radar
1 Citation (Scopus)

Cognitive software-defined radar: Evaluation of target detection with RFI avoidance

Kirk, B. H., Kozy, M. A., Gallagher, K. A., Narayanan, R. M., Buehrer, R. M., Martone, A. F. & Sherbondy, K. D., Apr 2019, 2019 IEEE Radar Conference, RadarConf 2019. Institute of Electrical and Electronics Engineers Inc., 8835498. (2019 IEEE Radar Conference, RadarConf 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

resin film infusion
avoidance
Target tracking
radar
Radar