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加权子空间拟合相干信源二维波达方向估计 预览 被引量:5

2-D DOA Estimates for Coherent Source Based on Weighted Subspace Fitting
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摘要 对均匀圆阵列(UCA)二维波达方向估计问题,运用相位激励模式波束形成技术,得到圆阵波束空间实值阵列流形。在波束空间内,研究了相干信源子空间分解技术和加权子空间拟合技术。计算机仿真表明,在波束空间内的加权子空间拟合技术具有良好的相干信源二维波达方向估计性能。 For the purpose of estimating 2 D DOA of uniform circular array(UCA), phase mode excitation based UCA beamforming is employed to obtain real valued beamspace manifold. We researched the subspace eigenvalue decomposition and weighted subspace fitting techniques in the beamspace. The computer simulations indicated that the weighted subspace fitting technique in the beamspace possessed a significant advance of 2 D estimation for coherent sources.
作者 何明浩 尹以新 张贤达 WT5HZ]HE Ming hao 1 YIN Yi xin 2 ZHANG Xian da 1 (1 Department of Automation, Tsinghua University Beijing 100084) (2 Department of Microwave Engineering, Air Force Radar Academy Wuhan 430010)
出处 《现代雷达》 CSCD 北大核心 2001年第1期 49-51,共3页 Modern Radar
关键词 二维波达方向 相干信源 波束空间 波束形成 子空间分解 均匀圆阵 阵列流形 估计 加权 拟合 uniform circular array, 2 D DOA, phase mode excitation, beamspace, weighted subspace fitting
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同被引文献46

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