机载双站合成孔径雷达Chirp Scaling成像算法
The Chirp Scaling Algorithm of Airborne Bistatic SAR Imaging
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摘要: 该文在分析机载双站SAR回波模型的基础上，结合常规单站SAR的Chirp scaling成像算法思想，推导出了双站SAR的Chirp scaling成像算法。对双站SAR的Chirp scaling成像算法进行了误差分析。最后通过仿真验证了算法的有效性。Abstract: The echo model of airborne bistatic SAR is analyzed in this paper. Based on the echo model and the chirp scaling algorithm of monostatic SAR imaging, the chirp scaling algorithm of bistatic SAR imaging is deduced, and its error is analyzed subsequently. Finally, it is proved to be correct by the simulation results.
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汤子跃, 张守融. 双站合成孔径雷达系统原理. 北京: 科学出版社, 2003: 20.50.[2]汤子跃, 张守融. 双站SAR 的方位分辨力、脉冲重复频率和测绘带宽[J].电子与信息学报.2004, 26(4):607-浏览[3]汤子跃, 张守融, 王卫延. HT运动误差对双站SAR相位同步及成像的影响TH. 电子学报, 2003, 31(12): 1907.1910.[4]Ender J H G. Signal theoretical aspects of bistatic SAR. IEEEInternational Geosci. and Remote Sensing Symp., Toulouse, July2003: 1438.1441.[5]Raney R K, Runge H, Bamler R et al.. Precision SAR processingusing chirp scaling. IEEE Trans. on GRS, 1994, 32(4) : 786.799.[6]Runge H, Bamler R. A novel nigh precision SAR focusingalgorithm based on chirp scaling. IGARSS 92, Clear Lake, TX,May 1992: 372.375.Raney R K. A new and fundamental Fourier transform pair. InProc. IEEE Geosci. Remote Sensing Symp., IGARSS92, ClearLake, TX, May 1992: 106 .107. -
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