• 3538 Citations
  • 30 h-Index
1985 …2019
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Research Output 1985 2019

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2019
Carbon fibers
Polymers
Fabrication
Uncertainty
carbon fiber

Microwave imaging of multilayered structures using ultrawideband noise signals

Navagato, M. D. & Narayanan, R. M., Jun 1 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

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
2018
4 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)

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., Jan 1 2018, (Accepted/In press) In : IEEE Transactions on Aerospace and Electronic Systems.

Research output: Contribution to journalArticle

Radar systems
Radar
Atmospheric spectra
Communication
Global system for mobile communications

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

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
1 Citation (Scopus)
Ultra-wideband (UWB)
radar scanning
radio frequencies
Multilayers
waveforms
1 Citation (Scopus)

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

Hall, D. L., Narayanan, R. M., Lenzing, E. H. & Jenkins, Jr., D. M., Dec 1 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

The Spectrum Analysis Solution (SAS) system: Theoretical analysis, hardware design and implementation

Narayanan, R. M., Pooler, R. K., Martone, A. F., Gallagher, K. A. & Sherbondy, K. D., Feb 22 2018, In : Sensors (Switzerland). 18, 2, 652.

Research output: Contribution to journalArticle

Radar
Entropy
Spectrum analysis
spectrum analysis
Spectrum Analysis
2 Citations (Scopus)
Nondestructive examination
radio frequencies
waveforms
broadband
Multiresolution analysis
2 Citations (Scopus)

X-Band circuit-analog absorbers using unidirectional carbon fiber

Riley, E. J., Lenzing, E. H. & Narayanan, R. M., Jun 1 2018, In : IEEE Antennas and Wireless Propagation Letters. 17, 6, p. 1060-1063 4 p.

Research output: Contribution to journalArticle

Carbon fibers
Networks (circuits)
Polymers
Electric lines
Frequency selective surfaces
2017
5 Citations (Scopus)
equivalence
Photons
radar cross sections
Radar cross section
Scattering
4 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)

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
9 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 1 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)

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
3 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 1 2017, In : Electronics (Switzerland). 6, 1, 13.

Research output: Contribution to journalArticle

Antenna arrays
Radar
Antennas
5 Citations (Scopus)

The Effect of Polarization on the Quantum Radar Cross Section Response

Brandsema, M., Narayanan, R. M. & Lanzagorta, M., Apr 1 2017, In : IEEE Journal of Quantum Electronics. 53, 2, 7829333.

Research output: Contribution to journalArticle

radar cross sections
Radar cross section
Polarization
Radar
Photons
11 Citations (Scopus)
Radar Cross Section
radar cross sections
Radar cross section
Computational Analysis
Theoretical Analysis
4 Citations (Scopus)

Through-wall single and multiple target imaging using MIMO radar

Narayanan, R. M., Gebhardt, E. T. & Broderick, S. P., Dec 1 2017, In : Electronics (Switzerland). 6, 4, 70.

Research output: Contribution to journalArticle

Target tracking
Radar
Imaging techniques
Geometry
National security
2016
19 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
10 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
3 Citations (Scopus)

Ultrawideband noise radar tomography: Principles, simulation, and experimental validation

Shin, H. J., Narayanan, R. M., Asmuth, M. A. & Rangaswamy, M., Jan 1 2016, In : International Journal of Microwave Science and Technology. 2016, 5787895.

Research output: Contribution to journalArticle

Spurious signal noise
Ultra-wideband (UWB)
Tomography
radar
tomography
2015
8 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
25 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
4 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
1 Citation (Scopus)

Simulations of tomographic imaging of various target scenarios using noise waveforms

Shin, H. J., Narayanan, R. M. & Rangaswamy, M., Jun 22 2015, In : IEEE National Radar Conference - Proceedings. 2015-June, June, p. 963-968 6 p., 7131134.

Research output: Contribution to journalArticle

Ultra-wideband (UWB)
Image quality
Tomography
Diffraction
Pixels
2 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
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
2014
7 Citations (Scopus)
foliage
Radar systems
radar
waveforms
penetration
79 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
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
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., Jan 1 2014, In : Sensing and Imaging. 15, 1, 90.

Research output: Contribution to journalArticle

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

Trilateration-based localization algorithm using the lemoine point formulation

Huang, M. S. & Narayanan, R. M., Jan 1 2014, In : IETE Journal of Research. 60, 1, p. 60-73 14 p.

Research output: Contribution to journalArticle

Lemoine point
Centroid
Intersection
Formulation
Triangle
7 Citations (Scopus)

Ultrawideband noise radar imaging of impenetrable cylindrical objects using diffraction tomography

Shin, H. J., Narayanan, R. M. & Rangaswamy, M., Jan 1 2014, In : International Journal of Microwave Science and Technology. 2014, 601659.

Research output: Contribution to journalArticle

imaging radar
Radar imaging
Ultra-wideband (UWB)
Tomography
tomography
2013
8 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
1 Citation (Scopus)
Ultra-wideband (UWB)
Orthogonal frequency division multiplexing
Resource allocation
Radar
Communication
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
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)
4 Citations (Scopus)

Tracking of noncooperative airborne targets using ADS-B signal and radar sensing

Huang, M. S., Narayanan, R. M., Zhang, Y. & Feinberg, A., Apr 3 2013, In : International Journal of Aerospace Engineering. 521630.

Research output: Contribution to journalArticle

Radar
Surveillance radar
Radar systems
Modulation
Satellites
3 Citations (Scopus)

Waveform design for compressively sampled ultrawideband radar

Shastry, M. C., Narayanan, R. M. & Rangaswamy, M., Apr 1 2013, In : Journal of Electronic Imaging. 22, 2, 021011.

Research output: Contribution to journalArticle

Ultra-wideband (UWB)
radar
waveforms
Radar
Recovery
2012
44 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
11 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)
51 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
9 Citations (Scopus)
Spurious signal noise
Ultra-wideband (UWB)
Mean square error
Probability density function
Time delay
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
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
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