包括广义互相关函数GCC时延估计，对信号进行频谱分析及滤波，加入重复控制，表示出两帧图像间各个像素点的相对情况，给出接收信号眼图及系统仿真误码率，供做算法研究人员参考，部分实现了追踪测速迭代松弛算法。- Including the generalized cross-correlation function GCC time delay estimation, The signal spectral analysis and filtering, Join repetitive control, Between two images showing the relative circumstances of each pixel, The received signal is given eye and BER simulation systems, Algorithm for researchers to do reference, Partially achieved tracking speed iterative relaxation algorithm.