中文说明：
music算法在谱估计中（即经典算法）在高信噪比和多阵元情况下有较高的估计性能和精度。本程序主要是实现此算法。
English Description：
MUSIC algorithm in spectrum estimation (i.e. classical algorithm) has high estimation performance and accuracy in the case of high signal-to-noise ratio and multi array elements. This program is mainly to realize this algorithm