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Proceedings Paper

Time-frequency analysis of SAR images with ground moving targets
Author(s): Victor C. Chen
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Paper Abstract

Synthetic aperture radar (SAR) is used for imaging of terrain and stationary objects. For stationary targets, Doppler drifts are determined only by their geometric locations. However, for moving targets, the Doppler drifts are determined not only by their locations but also by their velocities. Therefore, the SAR images of moving targets become smeared due to interactions between their geometric locations and velocities; the cross-range of moving targets does not reflect their true geometric locations. In this paper, we analyze the effects of target motion on SAR images, review methods for SAR imaging of moving targets, and apply time-frequency analysis to SAR images of moving targets.

Paper Details

Date Published: 26 March 1998
PDF: 8 pages
Proc. SPIE 3391, Wavelet Applications V, (26 March 1998); doi: 10.1117/12.304879
Show Author Affiliations
Victor C. Chen, Naval Research Lab. (United States)


Published in SPIE Proceedings Vol. 3391:
Wavelet Applications V
Harold H. Szu, Editor(s)

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