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基于空时相关阵联合对角化的子空间DOA估计 被引量:1

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摘要 为提高空间相关噪声场中的目标方位估计性能,提出一种基于空时相关阵联合块对角化的子空间方位估计算法.具体利用Jacobi旋转矩阵法对一组空时相关阵联合近似对角化,用联合对角化特征向量矩阵和特征值修正MUSIC(Multiple Signal Classification)等子空间算法。理论和仿真结果表明,在非相关噪声场中,基于联合对角化的子空间算法性能与常规子空间算法基本一致:而在相关噪声场中,联合对角化特征向量法能显著减小方位估计方差,提高估计性能。
作者 蒋飚
机构地区 第七一五研究所
出处 《声学与电子工程》 2006年第B07期1-3,共3页 Acoustics and Electronics Engineering
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参考文献5

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同被引文献15

  • 1蒋飚,朱埜,孙长瑜.基于空时相关阵联合对角化的高分辨方位估计[J].哈尔滨工程大学学报,2005,26(6):773-776. 被引量:3
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