利用延迟-相加法对波达方向进行估计，程序简明易懂，适用于初学者。-using delayed- add method to estimate DOA, easily understandable for beginners.

适合初学者的程序，下载来有点弄不懂，运行出错，不知道为什么(Suitable for beginners program, download a little bit do not understand, run error, do not know why)