是一种双隐层反向传播神经网络，主要是基于mtlab的程序，采用波束成形技术的BER计算，数学方法是部分子空间法，旋转机械二维全息谱计算。- Is a two hidden layer back propagation neural network, Mainly based on the mtlab procedures, By applying the beam forming technology of BER Mathematics is part of the subspace, Rotating machinery 2-d holographic spectrum calculation.