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《Chinese Journal of Radio Science》 2011-05
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Improved forward-looking imaging method for airborne array FMCW SAR

HOU Hai-ping1,2 QU Chang-wen2 YANG Jian2 SU Feng2 (1.91039 Unit,Beijing 102401,China;2.Department of Electronic and Information Engineering,Naval Aeronautical & Astronautical University,Yantai Shandong 264001,China)  
Imaging may be affected if aircraft velocity is ignored in signal model of airborne array forward-looking synthetic aperture radar(SAR).To solve this problem,aircraft velocity is considered in signal model of frequency modulated continuous wave(FMCW)SAR.Effect of aircraft velocity and characteristic of Doppler frequency shift resulting from aircraft continuous motion are analyzed.Combining with frequency scaling algorithm,forward-looking imaging method for airborne array FMCW SAR is studied.Imaging simulation and parameter performance analysis show that the proposed method can realize forward-looking imaging accurately for FMCW SAR when aircraft is moving.
【Fund】: “泰山学者”建设工程专项基金资助
【CateGory Index】: TN958
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【Citations】
Chinese Journal Full-text Database 6 Hits
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 REN Xiao-zhen1,2 and YANG Ru-liang1 (1.The Institute of Electronics,Chinese Academy of Sciences Haidian Beijing 100190; 2.The Graduate University,Chinese Academy of Sciences Haidian Beijing 100190);Three-Dimensional Imaging Principle and Resolutions Analysis for Air-Borne Forward-Looking SAR[J];Journal of University of Electronic Science and Technology of China;2010-05
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Chinese Journal Full-text Database 10 Hits
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