中文说明：重要参数的提取，本程序的性能已经达到较高水平，包括广义互相关函数GCC时延估计，ML法能够很好的估计信号的信噪比,计算晶粒的生长，入门级别程序,研究生时的现代信号处理的作业。
English Description：
Extraction of important parameters, the performance of the program has reached a high level, including generalized cross correlation GCC function for time delay estimation, the ML method can well estimate the signal SNR, the calculation of grain growth, entry-level program, Graduate School of modern signal processing operations.