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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
mesh
sampling
Microwaves
Sampling
microwaves
9 Citations (Scopus)
foliage
Radar systems
radar
waveforms
penetration
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
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)
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
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)

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)
2 Citations (Scopus)
Carbon fibers
Polymers
Fabrication
Uncertainty
carbon fiber
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

Comparison of noise and chirp waveforms for radar target detection in clutter

Narayanan, R. M., Allebach, J. M. & Himed, B., Aug 1 2019, In : IET Radar, Sonar and Navigation. 13, 8, p. 1333-1343 11 p.

Research output: Contribution to journalArticle

Radar clutter
Target tracking
Radar
Surveillance radar
9 Citations (Scopus)
Spurious signal noise
Ultra-wideband (UWB)
Mean square error
Probability density function
Time delay
1 Citation (Scopus)

Considerations and framework for foveated imaging systems

Narayanan, R. M., Kane, T. J., Rice, T. F. & Tauber, M. J., Sep 1 2018, In : Photonics. 5, 3, 18.

Research output: Contribution to journalArticle

lens design
Optical Devices
visual perception
systems engineering
Imaging systems
1 Citation (Scopus)

Consider graduate school

Narayanan, R. M., 2014, In : IEEE Potentials. 33, 3, p. 10-12 3 p., 6807888.

Research output: Contribution to journalArticle

school graduate
Students
Teaching
student
applicant
1 Citation (Scopus)
Ultra-wideband (UWB)
Orthogonal frequency division multiplexing
Resource allocation
Radar
Communication
7 Citations (Scopus)
equivalence
Photons
radar cross sections
Radar cross section
Scattering
1 Citation (Scopus)
Spurious signal noise
Ultra-wideband (UWB)
Radar
Transceivers
Systems analysis
5 Citations (Scopus)

Design, performance and optimization for multimodal radar operation

Bhat, S. S., Narayanan, R. M. & Rangaswamy, M., Sep 1 2012, In : Sensors (Switzerland). 12, 9, p. 12673-12693 21 p.

Research output: Contribution to journalArticle

Radar
radar
bandwidth
Bandwidth
optimization
2 Citations (Scopus)

Design of a covert RFID tag network for target discovery and target information routing

Pan, Q. & Narayanan, R. M., Oct 1 2011, In : Sensors. 11, 10, p. 9242-9259 18 p.

Research output: Contribution to journalArticle

Radio Frequency Identification Device
Radio frequency identification (RFID)
radio frequencies
Radio
commands
12 Citations (Scopus)

Design of active circulators using high-speed operational amplifiers

Chen, P. H. & Narayanan, R. M., Oct 1 2010, In : IEEE Microwave and Wireless Components Letters. 20, 10, p. 575-577 3 p., 5565365.

Research output: Contribution to journalArticle

operational amplifiers
Operational amplifiers
high speed
differential amplifiers
Voltage dividers
12 Citations (Scopus)

Design of Ultrawideband Stepped-Frequency Radar for Imaging of Obscured Targets

Phelan, B. R., Ranney, K. I., Gallagher, K. A., Clark, J. T., Sherbondy, K. D. & Narayanan, R. M., Jul 15 2017, In : IEEE Sensors Journal. 17, 14, p. 4435-4446 12 p., 7932846.

Research output: Contribution to journalArticle

Ultra-wideband (UWB)
radar
Radar
radar imagery
Imaging techniques
4 Citations (Scopus)

Development and performance of an ultrawideband stepped-frequency radar for landmine and improvised explosive device (IED) detection

Phelan, B. R., Gallagher, K. A., Sherbondy, K. D., Ranney, K. I. & Narayanan, R. M., Nov 2014, In : Sensing and Imaging. 15, 1, 90.

Research output: Contribution to journalArticle

explosive devices
Ultra-wideband (UWB)
radar
Radar
Frequency hopping
4 Citations (Scopus)

Fast threat detection and localization using super-regenerative transceiver in random noise radar

Zhang, Y., Wang, S. & Narayanan, R. M., Oct 22 2012, In : IEEE Transactions on Aerospace and Electronic Systems. 48, 4, p. 3620-3636 17 p., 6324747.

Research output: Contribution to journalArticle

Spurious signal noise
Transceivers
Processing
Electronic equipment
Feedback
5 Citations (Scopus)

Global positioning system processing methods for GPS passive coherent location

Kaiser, S. A., Christianson, A. J. & Narayanan, R. M., Sep 1 2017, In : IET Radar, Sonar and Navigation. 11, 9, p. 1406-1416 11 p.

Research output: Contribution to journalArticle

Global positioning system
Processing
Radar
Specifications
Hardware
2 Citations (Scopus)

Information elasticity in radar systems

Narayanan, R. M., Liu, A. Z., Singerman, P. G. & Rangaswamy, M., Aug 23 2018, In : Electronics Letters. 54, 17, p. 1049-1051 3 p.

Research output: Contribution to journalArticle

Radar systems
Elasticity
Information theory
Sensors
Radar
17 Citations (Scopus)

Micro-Doppler character analysis of moving objects using through-wall radar based on improved EEMD

Wang, H., Narayanan, R. M., Zhou, Z. O., Li, T. J. & Kong, L. J., Jun 1 2010, In : Dianzi Yu Xinxi Xuebao/Journal of Electronics and Information Technology. 32, 6, p. 1355-1360 6 p.

Research output: Contribution to journalArticle

Radar
Decomposition
Mathematical transformations
1 Citation (Scopus)

Microwave imaging of multilayered structures using ultrawideband noise signals

Navagato, M. D. & Narayanan, R. M., Jun 2019, In : NDT and E International. 104, p. 19-33 15 p.

Research output: Contribution to journalArticle

Ultra-wideband (UWB)
waveforms
Microwaves
Imaging techniques
microwaves
1 Citation (Scopus)

Microwave Imaging of Nonsparse Object Using Dual-Mesh Method and Iterative Method with Adaptive Thresholding

Zhou, H. & Narayanan, R. M., Jan 1 2019, In : IEEE Transactions on Antennas and Propagation. 67, 1, p. 504-512 9 p., 8493316.

Research output: Contribution to journalArticle

Iterative methods
Compressed sensing
Microwaves
Imaging techniques
Linear equations

Mitigation of target distortion in pulse-agile sensors via Richardson-Lucy deconvolution

Kirk, B. H., Martone, A. F., Sherbondy, K. D. & Narayanan, R. M., Nov 14 2019, In : Electronics Letters. 55, 23, p. 1249-1252 4 p.

Research output: Contribution to journalArticle

Deconvolution
Sensors
Radar
Processing
Cognitive systems
2 Citations (Scopus)
Ultra-wideband (UWB)
radar scanning
radio frequencies
Multilayers
waveforms

Multistatic Doppler Estimation Using Global Positioning System Passive Coherent Location

Kaiser, S. A., Christianson, A. J. & Narayanan, R. M., Dec 2019, In : IEEE Transactions on Aerospace and Electronic Systems. 55, 6, p. 2978-2991 14 p., 8642959.

Research output: Contribution to journalArticle

Global positioning system
Systems analysis
Satellites
Specifications
23 Citations (Scopus)

Multistatic micro-doppler radar for determining target orientation and activity classification

Fairchild, D. P. & Narayanan, R. M., Feb 1 2016, In : IEEE Transactions on Aerospace and Electronic Systems. 52, 1, p. 512-521 10 p., 7444065.

Research output: Contribution to journalArticle

Doppler radar
Sensors
Radar
Radar antennas
6 Citations (Scopus)

Multi-target detection using total correlation for noise radar systems

Kwon, Y., Narayanan, R. M. & Rangaswamy, M., Apr 17 2013, In : IEEE Transactions on Aerospace and Electronic Systems. 49, 2, p. 1251-1262 12 p., 6494411.

Research output: Contribution to journalArticle

Radar systems
Target tracking
Signal to noise ratio
Correlation detectors
Receiving antennas
15 Citations (Scopus)

Nonlinear Radar for Finding RF Electronics: System Design and Recent Advancements

Mazzaro, G. J., Martone, A. F., Ranney, K. I. & Narayanan, R. M., May 2017, In : IEEE Transactions on Microwave Theory and Techniques. 65, 5, p. 1716-1726 11 p., 7811243.

Research output: Contribution to journalArticle

systems engineering
radar
Radar
Electronic equipment
Systems analysis
4 Citations (Scopus)

Passive vector sensing for non-cooperative emitter localization in indoor environments

Hall, D. L., Narayanan, R. M., Lenzing, E. H. & Jenkins, D. M., Dec 2018, In : Electronics (Switzerland). 7, 12, 442.

Research output: Contribution to journalArticle

Open Access
Channel state information
Sensor data fusion
Direction of arrival
Sensors
Antennas
1 Citation (Scopus)

Performance of non-polarized noise modulated communications system in the presence of interference

Chuang, J. & Narayanan, R. M., Aug 1 2012, In : Wireless Personal Communications. 65, 4, p. 773-796 24 p.

Research output: Contribution to journalArticle

Ultra-wideband (UWB)
Communication systems
Radio interference
Jamming
Outages
14 Citations (Scopus)

Radar classification of indoor targets using support vector machines

Bufler, T. D. & Narayanan, R. M., Jan 1 2016, In : IET Radar, Sonar and Navigation. 10, 8, p. 1468-1476 9 p.

Research output: Contribution to journalArticle

Support vector machines
Radar
Polarization
Radar cross section
Finite difference time domain method
34 Citations (Scopus)

Radar micro-Doppler signatures of various human activities

Narayanan, R. M. & Zenaldin, M., Dec 1 2015, In : IET Radar, Sonar and Navigation. 9, 9, p. 1205-1215 11 p.

Research output: Contribution to journalArticle

Radar
Classifiers
Detectors
5 Citations (Scopus)

Radar signatures of furniture elements

Bufler, T. D., Narayanan, R. M. & Dogaru, T., Jan 1 2015, In : IEEE Transactions on Aerospace and Electronic Systems. 51, 1, p. 521-535 15 p., 7073510.

Research output: Contribution to journalArticle

Radar cross section
Radar
Radar systems
Electric network analyzers
Depolarization
Open Access
Multipath propagation
Channel estimation
Global positioning system
Polarization
Deep learning
13 Citations (Scopus)

Shifted pixel method for through-wall radar imaging

Chen, P. H. & Narayanan, R. M., Aug 13 2012, In : IEEE Transactions on Antennas and Propagation. 60, 8, p. 3706-3716 11 p., 6204060.

Research output: Contribution to journalArticle

imaging radar
Radar imaging
Pixels
pixels
Interpolation
3 Citations (Scopus)

Source geolocation in urban environments using multipath fingerprinting

Narayanan, R. M., Phelan, B. R. & Lenzing, E. H., Jan 1 2015, In : International Journal of Antennas and Propagation. 2015, 453157.

Research output: Contribution to journalArticle

Transmitters
Ray tracing
Global system for mobile communications
Communication
Time difference of arrival
4 Citations (Scopus)

Sparsely sampled wideband radar holographic imaging for detection of concealed objects

Narayanan, R. M., Wilson, S. A. & Rangaswamy, M., Jan 1 2017, In : Progress In Electromagnetics Research B. 72, 1, p. 67-93 27 p.

Research output: Contribution to journalArticle

radar
Radar
sampling
interpolation
Sampling
12 Citations (Scopus)

Sparsity-based signal processing for noise radar imaging

Astry, M., Narayanan, R. M. & Rangaswamy, M., Jan 1 2015, In : IEEE Transactions on Aerospace and Electronic Systems. 51, 1, p. 314-325 12 p., 7073494.

Research output: Contribution to journalArticle

Radar imaging
Radar systems
Signal processing
Ultra-wideband (UWB)
Imaging systems
4 Citations (Scopus)

Static and moving target imaging using harmonic radar

Gallagher, K. A., Narayanan, R. M., Mazzaro, G. J., Martone, A. F. & Sherbondy, K. D., Jun 1 2017, In : Electronics (Switzerland). 6, 2, 20.

Research output: Contribution to journalArticle

Radar
Imaging techniques
Semiconductor materials
Antennas
Synthetic apertures
2 Citations (Scopus)

Sudoku inspired designs for radar waveforms and antenna arrays

Bufler, T. D., Narayanan, R. M. & Sherbondy, K. D., Mar 2017, In : Electronics (Switzerland). 6, 1, 13.

Research output: Contribution to journalArticle

Antenna arrays
Radar
Antennas
2 Citations (Scopus)

Target detection and reconstruction for compressive multiple-input, multiple-output ultra-wideband noise radar imaging

Kwon, Y., Narayanan, R. M. & Rangaswamy, M., Apr 1 2013, In : Journal of Electronic Imaging. 22, 2, 021007.

Research output: Contribution to journalArticle

imaging radar
Radar imaging
MIMO (control systems)
Target tracking
Ultra-wideband (UWB)
6 Citations (Scopus)

The Effect of Polarization on the Quantum Radar Cross Section Response

Brandsema, M. J., Narayanan, R. M. & Lanzagorta, M., Apr 2017, In : IEEE Journal of Quantum Electronics. 53, 2, 7829333.

Research output: Contribution to journalArticle

radar cross sections
Radar cross section
Polarization
Radar
Photons