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中国科学技术大学信号统计处理研究室
纸质出版:1997
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[1]叶中付.基于约束最小冗余线阵的ESPRIT测向方法[J].电子学报,1997(04):72-76.
Ye Zhongfu. Direction Finding Using ESPRIT with Restricted Minimum Redundant Linear Arrays[J]. Acta Electronica Sinica, 1997, (4).
[1]叶中付.基于约束最小冗余线阵的ESPRIT测向方法[J].电子学报,1997(04):72-76. DOI:
Ye Zhongfu. Direction Finding Using ESPRIT with Restricted Minimum Redundant Linear Arrays[J]. Acta Electronica Sinica, 1997, (4). DOI:
当信号源互不相关时,均匀线阵输出信号的相关矩阵是赫尔米特托普尼兹矩阵.本文根据这一事实,提出了基于约束最小冗余线阵的ESPRIT测向方法.理论分析和计算机模拟实验表明:在阵元数相同时,这种方法同ESPRIT方法相比,具有优良的估计性能.它突破了ESPRIT方法所需的两个特性一致的子阵构造;阵列孔径利用率高;测向分辨率高;可以用较少阵元估计出更多信号源的入射方向.
When the sources are uncorrelated
the correlation matrix of output of a uniform array is Hermitian and Toeplitz. Therefore
the method of direction finding using ESPRIT with restricted minimum redundant linear arrays is presented in this paper. Compared with ESPRIT
theoretic analysis and simulations both show that the method leads to significantly improved performance
such as not requiring pairwise matched array with doublets
having higher utilization ratio of arrays’ aperture and higher angle resolution
and estimating more sources with fewer sensors.
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