中文说明：程序对瑞利和莱斯信道进行了仿真，采用了经典的JAKES模型来建模，得到了瑞利和莱斯信道的随机变量的概率密度函数（pdf），分析了理论结果与仿真结果的差别。
English Description：
Program to simulate a Rayleigh and rician channel, classic JAKES model is used to model, Rayleigh and rician channel got probability density function of the random variable (PDF), the difference between theoretical results and simulation results are analyzed.