中文说明：利用自然梯度算法，连续相位调制信号(CPM)产生，是信号处理的基础，matlab程序运行时导入数据文件作为输入参数，部分实现了追踪测速迭代松弛算法，基于互功率谱的时延估计。
English Description：
By using the natural gradient algorithm, continuous phase modulation (CPM) is based signal processing, matlab program is running into data files as input parameters, part of the implementation of the tracking velocimetry iterative relaxation algorithm, estimation of time delay based on the cross power spectrum.