电力线通信是现在家用通信的一种，在PLC通信的研究中，对信道的研究是至关重要的。改代码主要包括多径信道和噪声模型matlab代码，是目前最常用的模型。(Power line communication is now a kind of home communication, in the PLC communication research, the channel research is essential. Change the code mainly include multipath channel and noise model matlab code, is the most commonly used model.)