中文说明：应用背景本代码介绍了MUSIC算法对相关信号的DOA估计关键技术无线电测向（DF）是一种技术，确定方位角或输入的无线电信号的坐标
English Description：
Application backgroundthis code describes the music algorithm to estimate the DOA of correlated signalsKey TechnologyRadio Direction Finding (DF) is a technique that identifies the bearing angle or the coordinates of an incoming radio signal(s)