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Proceedings Paper

Nonlinear synthetic aperture radar imaging using a harmonic radar
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Paper Abstract

This paper presents synthetic aperture radar (SAR) images of linear and nonlinear targets. Data are collected using a linear/nonlinear step frequency radar. We show that it is indeed possible to produce SAR images using a nonlinear radar. Furthermore, it is shown that the nonlinear radar is able to reduce linear clutter by at least 80 dB compared to a linear radar. The nonlinear SAR images also show the system’s ability to detect small electronic devices in the presence of large linear clutter. The system presented here has the ability to completely ignore a 20-inch trihedral corner reflector while detecting a RF mixer with a dipole antenna attached.

Paper Details

Date Published: 21 May 2015
PDF: 11 pages
Proc. SPIE 9461, Radar Sensor Technology XIX; and Active and Passive Signatures VI, 946109 (21 May 2015); doi: 10.1117/12.2177219
Show Author Affiliations
Kyle A Gallagher, The Pennsylvania State Univ. (United States)
Gregory J. Mazzaro, The Citadel (United States)
Kenneth I. Ranney, U.S. Army Research Lab. (United States)
Lam H. Nguyen, U.S. Army Research Lab. (United States)
Anthony F. Martone, U.S. Army Research Lab. (United States)
Kelly D. Sherbondy, The Citadel (United States)
Ram M. Narayanan, The Pennsylvania State Univ. (United States)


Published in SPIE Proceedings Vol. 9461:
Radar Sensor Technology XIX; and Active and Passive Signatures VI
G. Charmaine Gilbreath; Kenneth I. Ranney; Armin Doerry; Chadwick Todd Hawley, Editor(s)

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