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《Acta Electronica Sinica》 2005-06
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The Wide Swath Spaceborne SAR Imaging Based on ω-k Algorithm

HU Yu-xin1,DING Chi-biao2,WU Yi-rong2 (1.The Graduate School of Chinese Academy of Sciences,Beijing100080,Chi na; 2.The Institute of Electronics,Chinese Academy of Sciences,Beijing10008 0 China)  
The paper presents an improved ω-k algorithm for wide swath spaceborne SAR imagery.When classic ω-k algorithm is used to process space-borne SAR dat a,the farther distance from reference range,the larger image deformation and w orse azimuth focusing quality will limit the width of swath greatly.Bas ed on the ω-k algorithm the equivalent view angle and equivalent velocity compensation are presented to rectify image deformation and improve the azimuth focusing quality.The experiment demonstrates that the algorithm can process wide swath space-borne SAR data precisely and efficiently.
【CateGory Index】: TN957.51
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