Prof. Ram M. Narayanan Profile

Prof. Ram M. Narayanan

Professor of Electrical Engineering at Pennsylvania State Univ

SPIE Involvement:

Fellow status | Conference Program Committee | Conference Chair | Track Chair | Author

Area of Expertise:

radar , imaging , photonics , remote sensing , networking

Publications (141)

PROCEEDINGS ARTICLE | May 14, 2018

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

Proc. SPIE. 10656, Image Sensing Technologies: Materials, Devices, Systems, and Applications V

KEYWORDS: Unmanned aerial vehicles, Mirrors, Eye, Data modeling, Imaging systems, Cameras, Image processing, Image resolution, Spatial light modulators, Freeform optics

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PROCEEDINGS ARTICLE | May 4, 2018

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

Proc. SPIE. 10633, Radar Sensor Technology XXII

KEYWORDS: Target detection, Radar, Signal to noise ratio, Detection and tracking algorithms, Reflectivity, Interference (communication), Signal processing, Antennas, Computer aided design

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PROCEEDINGS ARTICLE | May 4, 2018

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

Proc. SPIE. 10633, Radar Sensor Technology XXII

KEYWORDS: Radar, Optical spheres, Doppler effect, Scattering, Calibration, Data processing, Standards development

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PROCEEDINGS ARTICLE | May 4, 2018

Software-defined radios for the implementation of randomized arrays

Proc. SPIE. 10633, Radar Sensor Technology XXII

KEYWORDS: Target detection, Radar, Transmitters, Reflectors, Clocks, Field programmable gate arrays, Signal processing, Antennas, Signal generators, Global Positioning System

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PROCEEDINGS ARTICLE | May 4, 2018

Information elasticity in pseudorandom code pulse compression

Proc. SPIE. 10633, Radar Sensor Technology XXII

KEYWORDS: Target detection, Radar, Data modeling, Modulation, Sensors, Phase shift keying, Data processing, Performance modeling, Systems modeling

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PROCEEDINGS ARTICLE | May 4, 2018

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

Proc. SPIE. 10633, Radar Sensor Technology XXII

KEYWORDS: Target detection, Radar, Spectrum analysis, Polarization, Calibration, Image processing, Receivers, Polarimetry, Image filtering, Antennas, Land mines

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PROCEEDINGS ARTICLE | May 4, 2018

Software-defined radar: recent experiments and results

Proc. SPIE. 10633, Radar Sensor Technology XXII

KEYWORDS: Target detection, Radar, Transmitters, Doppler effect, Receivers, Field programmable gate arrays, Signal processing, Electronic filtering, Filtering (signal processing)

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PROCEEDINGS ARTICLE | May 4, 2018

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

Proc. SPIE. 10633, Radar Sensor Technology XXII

KEYWORDS: Radar, Signal to noise ratio, X band, Near field, Smoothing, Antennas, S band, Electromagnetic simulation

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PROCEEDINGS ARTICLE | May 4, 2018

Application and performance of convolutional neural networks to SAR

Proc. SPIE. 10633, Radar Sensor Technology XXII

KEYWORDS: Convolutional neural networks, Synthetic aperture radar, Feature extraction, Neural networks, Image classification, Convolution, Target recognition, Network architectures, Neurons

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PROCEEDINGS ARTICLE | May 4, 2018

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

Proc. SPIE. 10633, Radar Sensor Technology XXII

KEYWORDS: Imaging systems, Fourier transforms, Nondestructive evaluation, Near field, Signal processing, Antennas, Signal detection, Microwave imaging

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PROCEEDINGS ARTICLE | May 4, 2018

Predictive energy detection for inferring radio frequency activity

Proc. SPIE. 10633, Radar Sensor Technology XXII

KEYWORDS: Signal to noise ratio, Statistical analysis, Sensors, Error analysis, Interference (communication), Sensor performance, Signal processing, Machine learning, Signal detection, Binary data

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PROCEEDINGS ARTICLE | May 4, 2018

Information elasticity in ultra-wideband target detection amongst distributed clutter

Proc. SPIE. 10633, Radar Sensor Technology XXII

KEYWORDS: Target detection, Radar, Signal to noise ratio, Reflectors, Optical spheres, Sensors, Data processing, Microwave radiation

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PROCEEDINGS ARTICLE | May 4, 2018

Optimized radar design parameters for synthetic aperture radar with limited swath

Proc. SPIE. 10633, Radar Sensor Technology XXII

KEYWORDS: Target detection, Radar, Point spread functions, Synthetic aperture radar, Image resolution, Receivers, Signal processing, Antennas

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PROCEEDINGS ARTICLE | May 25, 2017

Recent non-linear radar research at the Army Research Laboratory

Proc. SPIE. 10188, Radar Sensor Technology XXI

KEYWORDS: Target detection, Radar, Reflectors, Switches, Switching, Synthetic aperture radar, Metals, Fourier transforms, Receivers, Antennas

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PROCEEDINGS ARTICLE | May 11, 2017

System upgrades and performance evaluation of the spectrally agile, frequency incrementing reconfigurable (SAFIRE) radar system

Proc. SPIE. 10188, Radar Sensor Technology XXI

KEYWORDS: Radar, Infrared cameras, Transmitters, Infrared imaging, Switches, Polarization, Cameras, Receivers, Augmented reality, Antennas

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PROCEEDINGS ARTICLE | May 1, 2017

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

Proc. SPIE. 10188, Radar Sensor Technology XXI

KEYWORDS: Radar, Signal to noise ratio, Transmitters, Cognitive modeling, Detection and tracking algorithms, Data modeling, Databases, Interference (communication), Receivers, Field programmable gate arrays, Data processing, Signal processing, Electromagnetic coupling, Environmental sensing, Commercial off the shelf technology

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PROCEEDINGS ARTICLE | May 1, 2017

Theoretical considerations for a dynamic calibration target for through-wall and through-rubble motion-sensing Doppler radar

Proc. SPIE. 10188, Radar Sensor Technology XXI

KEYWORDS: Target detection, Chest, Doppler effect, Skin, Dielectrics, Sensing systems, Spherical lenses, Electromagnetic scattering, Sense through the wall radar

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PROCEEDINGS ARTICLE | May 1, 2017

Radar research at The Pennsylvania State University Radar and Communications Laboratory

Proc. SPIE. 10188, Radar Sensor Technology XXI

KEYWORDS: Target detection, Signal to noise ratio, Detection and tracking algorithms, Doppler effect, Imaging systems, Scattering, Interference (communication), Telecommunications, Antennas

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PROCEEDINGS ARTICLE | May 1, 2017

Electric and magnetic target polarization in quantum radar

Proc. SPIE. 10188, Radar Sensor Technology XXI

KEYWORDS: Target detection, Radar, Photon polarization, Polarization, Scattering, Particles, Magnetism, Clouds, Quantization, Visibility

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PROCEEDINGS ARTICLE | May 1, 2017

Initial processing and analysis of forward- and side-looking data from the Spectrally Agile Frequency-Incrementing Reconfigurable (SAFIRE) radar

Proc. SPIE. 10188, Radar Sensor Technology XXI

KEYWORDS: Radar, Polarization, Calibration, Synthetic aperture radar, Image processing, Image acquisition, Signal processing, Antennas, Data centers, Radar imaging, Global Positioning System

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PROCEEDINGS ARTICLE | May 1, 2017

Radar detection of buried targets in coastal environments

Proc. SPIE. 10188, Radar Sensor Technology XXI

KEYWORDS: Target detection, Radar, Soil science, Reflection, Scattering, Signal attenuation, Remote sensing, Dielectrics, Wave propagation, Modeling and simulation, Electromagnetism, Environmental sensing, Radio propagation, Ground penetrating radar, Naval mines

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PROCEEDINGS ARTICLE | May 1, 2017

Multistatic passive coherent location resource optimization

Proc. SPIE. 10188, Radar Sensor Technology XXI

KEYWORDS: Radar, Signal to noise ratio, Transmitters, Modulation, Error analysis, Interference (communication), Receivers, Surveillance, Telecommunications, Frequency modulation, Environmental sensing

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PROCEEDINGS ARTICLE | May 1, 2017

Comparison of RF spectrum prediction methods for dynamic spectrum access

Proc. SPIE. 10188, Radar Sensor Technology XXI

KEYWORDS: Radar, Cognitive modeling, Data modeling, Sensors, Databases, Monte Carlo methods, Neural networks, Sensing systems, Machine learning, Algorithm development, Electromagnetic coupling, Signal detection, Statistical modeling, Binary data, Evolutionary algorithms, Neurons

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PROCEEDINGS ARTICLE | May 1, 2017

Passive coherent location direct signal suppression using hardware mixing techniques

Proc. SPIE. 10188, Radar Sensor Technology XXI

KEYWORDS: Radar, Signal to noise ratio, Transmitters, Modulation, Receivers, Linear filtering, Surveillance, Frequency modulation, Antennas, Amplitude modulation

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PROCEEDINGS ARTICLE | April 28, 2017

Foveal scale space generation with the log-polar transform

Proc. SPIE. 10209, Image Sensing Technologies: Materials, Devices, Systems, and Applications IV

KEYWORDS: Optical sensors, Detection and tracking algorithms, Rutherfordium, Imaging systems, Sensors, Image processing, Diffusion, Image resolution, Computer vision technology, Near field, Image sensors, Machine vision, Optical resolution, Sensing systems, Integrated optics, Spatial resolution, Defense technologies, Matrix multiplication, Near field optics

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PROCEEDINGS ARTICLE | April 19, 2017

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

Proc. SPIE. 10169, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, and Civil Infrastructure 2017

KEYWORDS: Multilayers, Aerospace engineering, Synthetic aperture radar, Composites, Dielectrics, Interfaces, Inspection, Nondestructive evaluation, X band, Fiber reinforced polymers, Microwave radiation, Radar imaging, K band

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PROCEEDINGS ARTICLE | April 19, 2017

Prognostic investigation of galvanic corrosion precursors in aircraft structures and their detection strategy

Proc. SPIE. 10169, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, and Civil Infrastructure 2017

KEYWORDS: Radar, Carbon, Aerospace engineering, Waveguides, Polarization, Composites, Dielectrics, Interfaces, Ions, Corrosion, Nondestructive evaluation, Fiber reinforced polymers, Aluminum, Microwave radiation

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PROCEEDINGS ARTICLE | May 26, 2016

Analysis and implementation of the foveated vision of the raptor eye

Proc. SPIE. 9854, Image Sensing Technologies: Materials, Devices, Systems, and Applications III

KEYWORDS: Signal to noise ratio, Aberration correction, Eye, Imaging systems, Retina, Photography, Distortion, Ray tracing, Objectives, Freeform optics

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PROCEEDINGS ARTICLE | May 17, 2016

Derivation and validation of the nonlinear radar range equation