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Proceedings Paper

Target identification for stripmap- and spotlight-mode SARs using physics-based signatures
Author(s): Chen-Pang Yeang; Jeffrey H. Shapiro
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Paper Abstract

A physics-based target detection theory is developed for spotlight-mode operation of a synthetic aperture radar (SAR). The target return and clutter return models are constructed from electromagnetic scattering theory. A polar-format Fourier-transform processor for spotlight-mode SAR images with adjustable processing durations, and a Neyman-Pearson optimum whitening-filter processor for single-component targets are considered. Detection performance for these spotlight-mode SAR processors are compared with those for corresponding stripmap- mode SAR processors. Target detection theory for multi- component targets is also developed. For two conditions -- unknown component phases, and unknown component phases with uncertain component positions -- we develop likelihood-based detectors and numerically evaluate the associated receiver operating characteristics.

Paper Details

Date Published: 13 August 1999
PDF: 15 pages
Proc. SPIE 3721, Algorithms for Synthetic Aperture Radar Imagery VI, (13 August 1999); doi: 10.1117/12.357690
Show Author Affiliations
Chen-Pang Yeang, Massachusetts Institute of Technology (United States)
Jeffrey H. Shapiro, Massachusetts Institute of Technology (United States)


Published in SPIE Proceedings Vol. 3721:
Algorithms for Synthetic Aperture Radar Imagery VI
Edmund G. Zelnio, Editor(s)

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