中文说明：常规DOA谱估计music算法在多径环境下失效，SVD算法利用最大特征值对应的特征矢量重新构造奇异值矩阵，可以成功估计相干信号。
English Description：
The conventional DOA spectrum estimation MUSIC algorithm fails in the multipath environment. SVD algorithm reconstructs the singular value matrix by using the eigenvector corresponding to the maximum eigenvalue, which can successfully estimate the coherent signal.