代码里有很完整的注释和解释，用于建立主成分分析模型，单径或多径瑞利衰落信道仿真，仿真效果非常好，外文资料里面的源代码。- Code, there are very complete notes and explanations Principal component analysis model for establishing, Single path or multipath Rayleigh fading channel simulation, Simulation of the effe