中文说明：用于初学者进行时延相加法对信号波大角进行估计时的编程，该matlab编程简明，标注详细，方便读者看懂，主要是空间谱估计方面的应用，通过本程序，可以了解到空间谱估计的编程套路，方法，掌握DOA方面的编程关键
English Description：
For beginners to delay adding method for large angle of arrival estimation of signal during programming, the MATLAB programming concise, callout details helps readers to understand, mainly is the application of spatial spectral estimation, through this process, will learn about spatial spectrum estimation of programming routines, methods, grasp DOA programming key