Squinted equivalent range model is used in range impulse impressing to achieve range migration correction accurately.
距离压缩采用斜视等效距离模型，实现精确的距离徙动校正。
BP algorithm replaces the concept of phase with delay time, so it is irrelevant to frequency and the problem of range migration correction does not exist.
BP算法由于用时延代替了相位的概念，故与频率无关，不存在距离徙动校正的问题。
The algorithm completes range migration correction through correcting the linearity Doppler frequency line. It can avoid one time inserting processing and reduce calculation.
该算法通过对具有线性的多普勒谱线进行校正来完成距离迁移校正，避免了一次插值运算，减少了运算量。
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