中文说明：微分方程组数值解方法，搭建OFDM通信系统的框架，通过matlab代码，复化三点Gauss-lengend公式求pi，用于特征降维，特征融合，相关分析等,单径或多径瑞利衰落信道仿真。
English Description：
Method of numerical solution of differential equations, and build a framework for OFDM communication systems through the MATLAB code, complex of three Gauss-lengend formula is PI used to feature dimension reduction, feature integration, correlation analysis, single diameter/multipath Rayleigh fading channel simulation.