MUSIC算法是波达方向估计算法中的一个经典方法，算法具有精度高、运算量少等优点，程序实现了用MUSIC算法估计出信号的空间参数。(MUSIC algorithm is a classical method in DOA estimation algorithm. The algorithm has the advantages of high precision and less computational complexity. The MUSIC algorithm is used to estimate the spatial parameters of the signal.)