单径或多径瑞利衰落信道仿真，利用matlab GUI实现的串口编程例子，基于matlab GUI界面设计,最小均方误差（MMSE）的算法，用于建立主成分分析模型，自己编的5种调制信号。- Single path or multipath Rayleigh fading channel simulation, Use serial programming examples matlab GUI implementation, Based on matlab GUI interface design, Minimum mean square error (MMSE) algorithm, Principal component analysis model for establishing, Own five modulation signal.