中文说明：插值与拟合，解方程，数据分析，具有丰富的参数选项,代码里有很完整的注释和解释，包含收发两个客户端的链路级通信程序,随机调制信号下的模拟ppm，模式识别中的bayes判别分析算法。
English Description：
Interpolation and fitting, solving equations, data analysis, with a wealth of options, the code is very complete annotated and explained, including sending and receiving two client link level communication program, random modulation signal simulation ppm and pattern recognition of Bayes discriminant analysis algorithm.