说明：  本程序实现了利用music算法、常规波束形成算法和Capon算法进行了DOA估计与结果的比较，由于是课程作业，因此在编程的逻辑上比较简洁，适合初学者参考或直接下载后上交哈~
(This program music algorithm, conventional beamforming algorithms and the Capon algorithm for DOA Estimation and comparison of the results, coursework relatively simple programming logic, suitable for beginners reference or direct download handed ha ~)