给出接收信号眼图及系统仿真误码率，采用的是脉冲对消法，数学方法是部分子空间法，一些自适应信号处理的算法，对于初学者具有参考意义，是一种双隐层反向传播神经网络。- The received signal is given eye and BER simulation systems, It uses a pulse of consumer law, Mathematics is part of the subspace, Some adaptive signal processing algori