一种噪声辅助数据分析方法,基于分段非线性权重值的Pso算法，是一种双隐层反向传播神经网络，用于信号特征提取、信号消噪，利用自然梯度算法。- A noise auxiliary data analysis method, Based on piecewise nonlinear weight value Pso algorithm, Is a two hidden layer back propagation neural network, For feature extraction, signal de-noising, Use of natural gradient algorithm.