包括邓氏关联度、绝对关联度、斜率关联度、改进绝对关联度,用于信号特征提取、信号消噪，计算两个矩阵之间的欧氏距离。- Including Deng s correlation, absolute correlation, correlation of slope, improved absolute correlation, For feature extraction, signal de-noising, Calculation of the Euclidean distance betwee