在小转角的情况下，可以利用简单高效的FFT距离-多普勒算法来进行成象处理。
If small rotating Angle is assumed, simple and effective FFT range Doppler algorithm can be used to implement the imaging processing.
该算法可适用于机动目标和平稳目标的ISAR成像，其成像清晰度优于传统距离-多普勒算法。
This new algorithm can be available for the ISAR imaging of both the maneuverable and stationary targets, and the imaging definition is superior to the traditional range-Doppler imaging algorithm.
对其中一些诸如回波信号模型、分辨率、距离徙动等关键问题进行了介绍，并详细推导了标准的距离-多普勒算法。
Some crucial issues, such as model of echo, resolution and range migration are explained and the standard rd imaging algorithm is deduced.
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