说明：  光通信系统中应用的对于QAM信号就行姐夫用的复数ICA算法，可以解两路信号的串扰，恢复出良好的输入信号
(Optical communication system applications for QAM signal on the line with a brother complex ICA algorithm, can solve the crosstalk of the two signals, the input signal is a good resume)