MUSIC（Multiple Signal Classification）是一种信号参数估计算法，其分辨率高。该算法是利用输入信号协方差矩阵特征结构而形成的一种多重信号分类技术。-MUSIC (Multiple Signal Classification) is a kind of signal parameter estimation algorithm, its high resolution. The algorithm is the use of the input signal covariance matrix of feature structures to form a multiple signal classification techniques.