一个基于时分复用的simulink仿真系统,输入端输入正弦波与矩形信号经过pcm编码,复用,调制,解调,解复用,解编码得到原波形.-A the simulink simulation system based on time division multiplexing, the input of the input sine wave with a rectangular signal after pcm encoding, multiplexing, modulation, demodulat