| 双基地合成孔径雷达扩展Chirp Scaling成像算法 |
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| 作者姓名： | 张升康 杨汝良 |
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| 作者单位： | 1.中国科学院电子学研究所 北京 100080； 2中国科学院研究生院 北京 100039 |
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| 摘 要： | 根据传统SAR处理中的扩展CS算法原理，推导了适用于同轨迹飞行模式双基地SAR的扩展Chirp Scaling算法，解决了接收、发射分置引起的雷达响应函数从距离－方位域向二维频域变换的复杂性问题，分析了算法推导中各种误差的影响，通过计算机仿真验证了算法在小斜视角情况下，对双基地SAR数据成像的有效性。
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| 关 键 词： | 合成孔径雷达（SAR） 双基地合成孔径雷达（BISAR） 扩展Chirp Scaling 成像算法 |
An Extended Chirp Scaling Algorithm for Bistatic Synthetic Aperture Radar Imaging |
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| Authors: | Zhang Shengkang Yang Ruliang |
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| Institution: | 1.Institute of Electronics, Chinese Academy of Sciences, Beijing, 100080;2.Graduate School of Chinese Academy of Sciences, Beijing, 100080 |
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| Abstract: | In term of the fundamentals of traditional Extended Chirp Scaling processing, a new CS Algorithm for along track mode Bistatic Synthetic Aperture Radar is presented, based on second order approximation of range history. The complexity of 2D Fourier transformation of signal impulse response, due to receiver-transmitter separation, is settled. It is a very precision image formation algorithm for along track Bistatic SAR system with small squint angles. |
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| Keywords: | Synthetic Aperture Radar(SAR) Bistatic Synthetic Aperture Radar(BiSAR) Extended Chirp Scaling (ECS) Image Formation Algorithms |
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