用于信号特征提取、信号消噪，快速扩展随机生成树算法，最小二乘回归分析算法，包括广义互相关函数GCC时延估计，信号处理中的旋转不变子空间法，包括最小二乘法、SVM、神经网络、1_k近邻法,包含特征值与特征向量的提取、训练样本以及最后的识别，针对EMD方法的不足。- For feature extraction, signal de-noising, Rapid expansion of random spanning tree algorithm, Least-squares regression analysis algorithm, Including the generalized cross-correlation function GCC time delay estimation, Signal Processing ESPRIT method, Including the least squares method, the SVM, neural networks, 1 _k neighbor method, Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition, For lack of EMD.