包括广义互相关函数GCC时延估计，包含特征值与特征向量的提取、训练样本以及最后的识别，BP神经网络用于函数拟合与模式识别，一种流形学习算法（很好用），matlab小波分析程序，迭代自组织数据分析。- Including the generalized cross-correlation function GCC time delay estimation, Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition, BP neural network function fitting and pattern recognition, A fluid manifold learning algorithm (good use), matlab wavelet analysis program, Iterative self-organizing data analysis.