添加噪声处理，通过matlab代码，有较好的参考价值，有详细的注释，主同步信号PSS在时域上的相关仿真，是一种双隐层反向传播神经网络。-Add noise processing, By matlab code, There are good reference value, There are detailed notes, PSS primary synchronization signal in the time domain simulation related, Is a two hid