• 3607 Citations
  • 30 h-Index
1985 …2019
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Research Output 1985 2019

2019

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

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)
Carbon fibers
Polymers
Fabrication
Uncertainty
carbon fiber

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

Investigation of surface treatment methods for 3D printed optical components

Davidson, J. C., Zhang, J., Kane, T. J. & Narayanan, R. M., Jan 1 2019, CLEO: Applications and Technology, CLEO_AT 2019. OSA - The Optical Society, (Optics InfoBase Conference Papers; vol. Part F127-CLEO_AT 2019).

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

Surface treatment
3D printers
Profilometry
Electroplating
Surface properties

Investigation of Surface Treatment Methods for 3D Printed Optical Components

Davidson, J. C., Zhang, J., Kane, T. J. & Narayanan, R. M., May 1 2019, 2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 8749754. (2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings).

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

Optical Devices
surface treatment
Surface treatment
3D printers
Electroplating

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

Surface methodology for 3D printed multispectral systems

Davidson, J. C., O'Neill, A. D., 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, 1098013. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10980).

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

3D printers
apertures
methodology
mirrors
Vacuum deposition
2018

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

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
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)

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

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
3 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)

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)

Considerations in the development of a foveated imaging system for unmanned aerial vehicles (UAVs)

O'Neill, A. D., Davidson, J. C., Kane, T. J., Narayanan, R. M. & Dhar, N. K., Jan 1 2018, Image Sensing Technologies: Materials, Devices, Systems, and Applications V. Dutta, A. K. & Dhar, N. K. (eds.). SPIE, 1065610. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10656).

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

pilotless aircraft
Unmanned aerial vehicles (UAV)
Target tracking
Imaging System
Imaging systems

Energy allocation for tailored waveform design using the Taguchi method for clutter suppression and enhanced detection of targets

Idriss, Z. & Narayanan, R. M., Jan 1 2018, Radar Sensor Technology XXII. Doerry, A. & Ranney, K. I. (eds.). SPIE, 106330C. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10633).

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

Taguchi methods
Taguchi Method
clutter
Clutter
Waveform

Examination of radar imagery from recent data collections using the spectrally agile frequency-incrementing reconfigurable (SAFIRE) radar system

Phelan, B. R., Ranney, K. I., Ly, C., Saponaro, P. J., Sherbondy, K. D. & Narayanan, R. M., Jan 1 2018, Radar Sensor Technology XXII. SPIE, Vol. 10633. 106330M

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

radar imagery
Radar systems
Radar
radar
examination
7 Citations (Scopus)

Experimental demonstration of cognitive spectrum sensing & notching for radar

Owen, J. W., Ravenscroft, B., Kirk, B. H., Blunt, S. D., Allen, C. T., Martone, A. F., Sherbondy, K. D. & Narayanan, R. M., Jun 8 2018, 2018 IEEE Radar Conference, RadarConf 2018. Institute of Electrical and Electronics Engineers Inc., p. 957-962 6 p.

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

radar
Radar
Demonstrations
interference
waveforms

Information elasticity in pseudorandom code pulse compression

Liu, A. Z., Narayanan, R. M. & Rangaswamy, M., Jan 1 2018, Radar Sensor Technology XXII. Doerry, A. & Ranney, K. I. (eds.). SPIE, 106330F. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10633).

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

Pulse Compression
Pulse compression
pulse compression
Elasticity
Radar

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

Information elasticity in ultra-wideband target detection amongst distributed clutter

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

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

Target Detection
clutter
Clutter
Target tracking
Ultra-wideband (UWB)
1 Citation (Scopus)

Microwave imaging using ultra-wideband noise waveforms for nondestructive testing of multilayer structures

Navagato, M. D. & Narayanan, R. M., Jan 1 2018, Radar Sensor Technology XXII. Doerry, A. & Ranney, K. I. (eds.). SPIE, 1063314. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10633).

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

Nondestructive examination
Ultra-wideband (UWB)
Waveform
laminates
Microwave

Multifunctional Radar and Communications Waveform Using Chaos

Pici, C. J. & Narayanan, R. M., Dec 3 2018, NAECON 2018 - IEEE National Aerospace and Electronics Conference. Institute of Electrical and Electronics Engineers Inc., p. 568-572 5 p. 8556756. (Proceedings of the IEEE National Aerospace Electronics Conference, NAECON; vol. 2018-July).

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

Chaos theory
Radar
Communication
Radar systems
Communication systems
1 Citation (Scopus)
Ultra-wideband (UWB)
radar scanning
radio frequencies
Multilayers
waveforms

Operational Reliability of Radar Systems

Ridder, T. D. & Narayanan, R. M., Dec 3 2018, NAECON 2018 - IEEE National Aerospace and Electronics Conference. Institute of Electrical and Electronics Engineers Inc., p. 561-567 7 p. 8556638. (Proceedings of the IEEE National Aerospace Electronics Conference, NAECON; vol. 2018-July).

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

Radar systems
Radar

Optimized radar design parameters for synthetic aperture radar with limited swath

Kelly, C. D., Phelan, B. R., Dogaru, T. V., Sherbondy, K. D. & Narayanan, R. M., Jan 1 2018, Radar Sensor Technology XXII. Doerry, A. & Ranney, K. I. (eds.). SPIE, 106330K. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10633).

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

Synthetic Aperture
synthetic aperture radar
Synthetic aperture radar
Parameter Design
Radar
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
1 Citation (Scopus)

Predictive energy detection for inferring radio frequency activity

Kovarskiy, J. A., Martone, A. F., Gallagher, K. A., Sherbondy, K. D. & Narayanan, R. M., Jan 1 2018, Radar Sensor Technology XXII. Doerry, A. & Ranney, K. I. (eds.). SPIE, 1063318. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10633).

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

Energy Detection
radio frequencies
Dynamic Spectrum Access
Support Vector Regression
statistics

Radar tools for spectrum assessment and prediction

Martone, A. F., Sherbondy, K. D., Gallagher, K. A., Kovarskiy, J. A. & Narayanan, R. M., Jun 8 2018, 2018 IEEE Radar Conference, RadarConf 2018. Institute of Electrical and Electronics Engineers Inc., p. 647-652 6 p.

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

radar
Radar
education
Multiobjective optimization
predictions

Software-defined radar: Recent experiments and results

Ranney, K., Gallagher, K., Galanos, D., Hedden, A., Cutitta, R., Freeman, S., Dietlein, C., Kirk, B. & Narayanan, R. M., Jan 1 2018, Radar Sensor Technology XXII. SPIE, Vol. 10633. 106331E

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

Radar
radar
computer programs
Radar measurement
Software
1 Citation (Scopus)

Software-defined radios for the implementation of randomized arrays

Gallagher, K., Galanos, D., Hedden, A., Cutitta, R., McNamara, D., Freeman, S., Dietlein, C., Kirk, B., Narayanan, R. M. & Ranney, K., Jan 1 2018, Radar Sensor Technology XXII. SPIE, Vol. 10633. 106330X

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

Radio receivers
computer programs
Radar
Software
Configuration

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

Ultra-wideband direction-of-arrival considerations for antenna arrays in the presence of mutual coupling

Alexander, D. B., Narayanan, R. M. & Himed, B., Jan 1 2018, Radar Sensor Technology XXII. Doerry, A. & Ranney, K. I. (eds.). SPIE, 1063315. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10633).

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

Direction of Arrival
Antenna Arrays
Direction of arrival
antenna arrays
Antenna arrays
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
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

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

beam steering
permutations
antenna arrays
phased arrays
Antenna arrays
7 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
3 Citations (Scopus)

Comparison of RF spectrum prediction methods for dynamic spectrum access

Kovarskiy, J. A., Martone, A. F., Gallagher, K. A., Sherbondy, K. D. & Narayanan, R. M., Jan 1 2017, Radar Sensor Technology XXI. Doerry, A. & Ranney, K. I. (eds.). SPIE, Vol. 10188. 1018819

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

Dynamic Spectrum Access
Frequency Spectrum
radio frequencies
Hidden Markov models
Neural networks

Compressive sensing meets noise radar

Shastry, M. C., Narayanan, R. M. & Rangaswamy, M., Jan 1 2017, Compressive Sensing for Urban Radar. CRC Press, p. 429-459 31 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Spurious signal noise
Radar systems
radar
Radar imaging
imaging radar
1 Citation (Scopus)

Conventional and emerging waveforms for detection and imaging of targets behind walls

Ahmad, F. & Narayanan, R. M., Jan 1 2017, Through-the-Wall Radar Imaging. CRC Press, p. 157-184 28 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Imaging techniques
Signal interference
human activity
detection
need
5 Citations (Scopus)
equivalence
Photons
radar cross sections
Radar cross section
Scattering
3 Citations (Scopus)

Design and performance of a microwave nondestructive testing system for damage analysis of FRP composites

Kim, T. H., Navagato, M. D., James, R. & Narayanan, R. M., Jan 1 2017, 32nd Technical Conference of the American Society for Composites 2017. Pipes, R. B., Yu, W. & Goodsell, J. (eds.). DEStech Publications Inc., Vol. 4. p. 2378-2393 16 p.

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

Nondestructive examination
Polymers
Microwaves
Defects
Fibers
5 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
5 Citations (Scopus)

Electric and magnetic target polarization in quantum radar

Brandsema, M., Narayanan, R. M. & Lanzagorta, M., Jan 1 2017, Radar Sensor Technology XXI. Doerry, A. & Ranney, K. I. (eds.). SPIE, Vol. 10188. 101880C

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

Radar
radar
Radar cross section
Polarization
Radar Cross Section
3 Citations (Scopus)

Foveal scale space generation with the log-polar transform

Long, A. D., Narayanan, R. M., Kane, T. J., Rice, T. F. & Tauber, M. J., Jan 1 2017, Image Sensing Technologies: Materials, Devices, Systems, and Applications IV. Dutta, A. K. & Dhar, N. K. (eds.). SPIE, 1020910. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10209).

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

Scale Space
Image sensors
Pixels
Transform
Processing
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
4 Citations (Scopus)

High-resolution nondestructive testing of multilayer dielectric materials using wideband microwave synthetic aperture radar imaging

Kim, T. H., James, R. & Narayanan, R. M., Jan 1 2017, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, and Civil Infrastructure 2017. Yu, T-Y., Wu, H. F., Shull, P. J. & Gyekenyesi, A. L. (eds.). SPIE, 1016903. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10169).

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

Radar Imaging
Radar imaging
Synthetic Aperture
synthetic aperture radar
Synthetic aperture radar