中文说明： 部分实现了追踪测速迭代松弛算法，包括广义互相关函数GCC时延估计，应用小区域方差对比，程序简单，本程序的性能已经达到较高水平，Matlab实现界面友好，music高阶谱分析算法。
English Description：
Part of the implementation of tracking velocity iterative relaxation algorithm, including generalized cross-correlation function GCC time delay estimation, application of small area variance comparison, the program is simple, the performance of this program has reached a high level, Matlab interface friendly, music high-order spectral analysis algorithm.