基于人工神经网络的常用数字信号调制，FIR 底通和带通滤波器和IIR 底通和带通滤波器，旋转机械二维全息谱计算的实用例程。- The commonly used digital signal modulation based on artificial neural network, Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter, Rotating Machinery dimension