用c 编写的下雨的模拟程序，输入数字可得不用的下雨速度，可运行。-prepared with the rain simulation program, enter the number of available no rain speed, can run.

KA波段卫星通信链路建模仿真程序，主要是对大气层中的降雨衰落进行仿真。-KA band satellite communication links modeling and simulation program, mainly for the atmosphere to simulate rain fading.