此程序是OFDM（正交频分复用）多径信道的程序-This procedure is OFDM (Orthogonal Frequency Division Multiplexing) multi-path channel process

MIMO的多径信道的构建与仿真，测试其特性，多径环境下的特征。-MIMO multi-path channel the construction and simulation, test its characteristics, features multi-path environment.