1、基于 MUSIC 算法的 DOA 估计 DOA estimation based on MUSIC algorithm 摘要 阵列信号处理是信号处理领域内的一个重要分支，在近些年来得到了迅速发展。波 达方向（Direction of Arrival，DOA）估计是阵列信号处理的一个重要的研究领域，在雷达、 通信、声纳、地震学等领域都有着广泛的应用前景。在 DOA 估计的发展过程中，人们对高 分辨 DOA 估计算法一直有很大的研究兴趣，并在这一领域取得了很多重要的进展。本文主 要研究经典的多重信号分类（Multiple signal Classification，MUSIC）算法。 本文首先回顾
2、了空间谱估计技术的发展过程及现状，比较详细的介绍了空间谱估计基 础和 DOA 估计模型，研究了 DOA 估计中的 MUSIC 算法，给出了 MUSIC 算法的原理和步 骤，并通过一些计算机仿真实验，得出了 MUSIC 算法的性能分析。最后做了全文总结，归 纳了本文所做的工作和结论。 关键词 DOA 估计 阵列信号处理 MUSIC 算法 DOA estimation based on MUSIC algorithm Abstract Array signal processing is an important branch of the field of signal processing,
3、in recent years it has been developing rapidly. Direction-of-arrival（DOA）estimation is one of the important research of array signal processing ,which has found wide applications in radar, communication , sonar , seismology and other fields . During the development process of DOA estimation, high-re
4、solution DOA estimation techniques have long been of great research interest and many significant progresses have been made in this field. This paper mainly studies the classical Multiple-signal-classification（MUSIC ）algorithm. This paper first reviewed the development process and the present situation of the spatial spectrum estimation; A more detailed introduction to the basis of the spatial spectrum estimation and to the model of DOA estimation; Studied the MUSIC algorithm of DOA esti
