esprit算法对有干扰的信号频率进行估计,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。- esprit algorithm signal frequency interference can be assessed Including Deng s correlation, absolute correlation, correlation of slope, improved absolute correlation, For feature extr