基于相干信号源的改进MUSIC算法

摘要

A new improved MUSIC algorithm for the estimation of the Direction-of Arrival of coherent signals sources is presented.After Eigen-value decomposing the receive data signal of coherence signals,the relationships between the signal subspace and the signal%提出一种基于相干信号源的改进多重信号分类（IMUSIC）算法,以估计相干信号波达方向（DOA）。相干信号间接收数据特征值分解后,直接利用大特征值对应的信号子空间与信号导向矢量的关系,通过多维来波方向搜索谱峰,实现对来波方向的有效估计。与空间平滑算法相比,IMUSIC算法具有4大优点,仿真结果也验证了IMUSIC算法的有效性。