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Proceedings Paper

Bistatic synthetic aperture inversion for arbitrary flight trajectories
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Paper Abstract

Reconstruction algorithms for monostatic synthetic aperture radar (SAR) with poor antenna directivity traversing straight and arbitrary flight trajectories have been developed by various authors1-5, while, to our knowledge, the acquisition geometry of bistatic SAR studies for the case of poor antenna directivity are limited to isotropic antennas traversing certain flight trajectories (straight6,7 or circular8,9 flight trajectories) over flat topography. In this paper, we present an approximate analytic inversion method for bistatic SAR (Bi-SAR).10 In particular, we present a new filtered-backprojection (FBP) type Bi-SAR inversion method for arbitrary, but known, flight trajectories over non-flat, but known, topography. These FBP type reconstruction methods have the advantage that they produce images that have the edges of the scene at the correct location, orientation and strength. We demonstrate the performance of the new method via numerical simulations.

Paper Details

Date Published: 7 May 2007
PDF: 8 pages
Proc. SPIE 6568, Algorithms for Synthetic Aperture Radar Imagery XIV, 656807 (7 May 2007); doi: 10.1117/12.719710
Show Author Affiliations
Can Evren Yarman, Rensselaer Polytechnic Institute (United States)
Birsen Yazıcı, Rensselaer Polytechnic Institute (United States)
Margaret Cheney, Rensselaer Polytechnic Institute (United States)


Published in SPIE Proceedings Vol. 6568:
Algorithms for Synthetic Aperture Radar Imagery XIV
Edmund G. Zelnio; Frederick D. Garber, Editor(s)

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