独家奉献！卫星通信性能分析中，信道服从Rician-Showed分布，这里给出产生该随机数的程序！文件为采用FAF协议的卫星中继系统程序，Rician-Showed分布随机数代码在其中(Exclusive dedication! In the analysis of satellite communication performance, the channel obeys the Rician-Showed distribution, and the program for generatin