说明： 移动无线信道是一个充满复杂干扰的信道。由环境中的各种障碍物所引起的信号多径传播是其主要特点之一。这个源程主要对多径时变信道模型进行了仿真与性能分析。(Descr iption: mobile radio channel is a channel full of complex interference. Signal multipath propagation caused by various obstacles in the environment is one of its ma