SPGA algorithm compensates the envelope and phase of the echo signal which has not be corrected range migration.
SPGA算法利用估计得到的侧摆对距离徙动校正前的回波数据进行包络和相位补偿。
The relationship of the steering range of FSM and the errors corrected, the detector output and objective error, tracking control system input are analysed.
并分析了反射镜作用范围与需要校正的误差的关系，跟踪探测器输出误差信号与物方跟踪误差，以及与跟踪镜控制量的关系。
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