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Translationally Invariant Airborne Bistatic SAR Imaging Algorithm and Experimental Result |
Gong Zhen-qiang; Zhang Xiao-ling |
School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China |
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Abstract Based on the analysis of bistatic SAR geometry model, bistatic SAR echoed signal is modeled in the double range variables domain in this paper, and the relationship between the double range variable domain and the single range variable domain is established. Then a range-dependent Doppler algorithm for imaging processing airborne bistatic SAR raw data of the translationally invariant configuration is derived, and the effect of error of the algorithm is analyzed by simulating. The algorithm is also tested with real data, and the advantage of the algorithm is proved by the comparison with bistatic SAR traditional RD algorithm.
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Received: 29 June 2007
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