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，最小均方误差（MMSE）的算法，通过虚拟阵元进行DOA估计，迭代自组织数据分析，FIR 底通和带通滤波器和IIR 底通和带通滤波器。- For beginners with a reference value, Is a two hidden layer back propagation neural network, Minimum mean square error (MMSE) algorithm, Conducted through virtual array DOA estimation, Iterative self-organizing data analysis, Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter.