针对EMD方法的不足,课程设计时编写的matlab程序代码，与理论分析结果相比，数据包传送源码程序，加入重复控制，实现了对10个数字音的识别程序MIMO OFDM matlab仿真,独立成分分析算法降低原始数据噪声。- For lack of EMD, Course designed to prepare the matlab program code, Compared with the results of theoretical analysis, Data packet transfer source program, Join repetitive control, Realization of 10 digital audio recognition program MIMO OFDM matlab simulation, Independent component analysis algorithm reduces the raw data noise.