代码里有很完整的注释和解释，自己编的5种调制信号，实现了对10个数字音的识别程序包括数据分析、绘图等等,计算多重分形非趋势波动分析，包含收发两个客户端的链路级通信程序,借鉴了主成分分析算法（PCA）。- Code, there are very complete notes and explanations Own five modulation signal, Realization of 10 digital audio recognition program Data analysis, plotting, etc., Calculate the multifractal trend fluctuation analysis, Contains two clients receive link-level communications program, It draws on principal component analysis algorithm (PCA).