Dr. Ajay Raghavan Profile

Dr. Ajay Raghavan

at PARC, part of SRI International

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Author

Publications (6)

Proceedings Article | 3 June 2015 Paper

High-resolution, high-frequency wavelength shift detection of optical signals with low-cost, compact readouts

A. Schuh, A. Hegyi, A. Raghavan, A. Lochbaum, J, Schwartz, P. Kiesel

Proceedings Volume 9480, 94800B (2015) https://doi.org/10.1117/12.2177478

KEYWORDS: Sensors, Signal detection, Acoustic emission, Fiber Bragg gratings, Calibration, Light sources, Optical filters, Interference (communication), Fiber optics sensors, Optical sensors

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Proceedings Article | 19 March 2013 Paper

Algorithm design for automated transportation photo enforcement camera image and video quality diagnostic check modules

Ajay Raghavan, Bhaskar Saha

Proceedings Volume 8663, 86630H (2013) https://doi.org/10.1117/12.2008843

KEYWORDS: Image quality, Cameras, Video, Image segmentation, Video surveillance, Photography, Logic, Visibility, Image processing, Sun

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Proceedings Article | 19 April 2007 Paper

Studies on effects of elevated temperature for guided-wave structural health monitoring

Ajay Raghavan, Carlos E. Cesnik

Proceedings Volume 6529, 65290A (2007) https://doi.org/10.1117/12.715016

KEYWORDS: Sensors, Structural health monitoring, Temperature metrology, Actuators, Aluminum, Space operations, Transducers, Data modeling, Epoxies, Lab on a chip

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Proceedings Article | 11 April 2006 Paper

Guided-wave signal processing using chirplet matching pursuits and mode correlation for structural health monitoring

Ajay Raghavan, Carlos E. Cesnik

Proceedings Volume 6174, 61741B (2006) https://doi.org/10.1117/12.657404

KEYWORDS: Time-frequency analysis, Chemical species, Signal processing, Structural health monitoring, Transducers, Reflection, Sensors, Composites, Associative arrays, Aluminum

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Proceedings Article | 17 May 2005 Paper

Piezoelectric-actuator excited-wave field solutions for guided-wave structural health monitoring

Ajay Raghavan, Carlos Cesnik

Proceedings Volume 5765, (2005) https://doi.org/10.1117/12.600817

KEYWORDS: Actuators, Sensors, Structural health monitoring, 3D modeling, Transducers, Fourier transforms, Composites, Microsoft Foundation Class Library, Aerospace engineering, Waveguides

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Proceedings Article | 29 July 2004 Paper

Modeling of piezoelectric-based Lamb wave generation and sensing for structural health monitoring

Ajay Raghavan, Carlos Cesnik

Proceedings Volume 5391, (2004) https://doi.org/10.1117/12.540269

KEYWORDS: Sensors, Actuators, Structural health monitoring, Transducers, Modulation, Wave propagation, Finite element methods, Fourier transforms, 3D modeling, Fiber optics sensors

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Showing 5 of 6 publications

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