中文说明：
基于Matlab模拟实现，是基于Matlab的仿真，对软件的要求很高，要求用Matlab实现对信号的调制解调和对信道的模拟。
English Description：
Matlab based simulation is a simulation based on MATLAB, which has high requirements for software. It is required to use matlab to realize signal modulation and demodulation and channel simulation