关于神经网络控制，FIR 底通和带通滤波器和IIR 底通和带通滤波器，搭建OFDM通信系统的框架，给出接收信号眼图及系统仿真误码率，随机调制信号下的模拟ppm。- On neural network control, Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter, Build a fr a mework OFDM communication system, The received signal is given eye and BER simulation systems, Random ppm modulated analog signal unde.