中文说明：复化三点Gauss-lengend公式求pi，到达过程是的泊松过程，有循环检测，周期性检测，基于互功率谱的时延估计，包括脚本文件和函数文件形式，主要为数据分析和统计。
English Description：
Complex three Gauss-lengend formula of for PI, the arrival process is Poisson process, cycle detection, periodic detection, cross power spectrum time delay estimation based on, including scripts and functions file form, mainly for statistical data analysis and.