一种改进的DOA估计算法

An improved DOA estimation method

介绍了几种经典的DOA估计方法,分别分析了它们的基本原理及各自优缺点,提出了一种将MVDR算法与MUSIC算法相结合的新方法,称之为合成空间谱法CSSM.该算法继承了MUSIC算法的准确性和MVDR算法的稳健性,在非相干信号源或相干信号源的情况下都有很高的分辨性能,最后通过计算机仿真验证了新算法的正确性和有效性.

This paper introduces several classical DOA estimation methods and analyzes their basic principles,advantages and disadvantages.A new method for the MVDR algorithm combined with MUSIC algorithm called CSSM was proposed.The algorithm inherits the accuracy of MUSIC algorithm and the robustness of MVDR algorithm.It has a high resolution performance with a non-coherent source or coherent sources,and finally by computer simulation,we verify the correctness and validity of the new algorithm.