Then, the origin and the effect on imaging of time domain polar format algorithm residual video phase error are analyzed.

然后分析了时域极坐标算法存在残余视频相位误差的原因及其对成像结果的影响。

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Chapter 3 explains the theory of dechirp technic used in the Spotlight SAR at length and introduces the practical realization procedure of eliminating the residual video phase.

第三章介绍聚束sar去调频技术的原理及去除剩余视频相位误差的实现步骤。

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