An Algorithm for 4-D Parameters Jointly Estimating of Near-Field Sources

被引：1
|
作者：
Shi, Yu [1 ,2 ]
Huang, Zhiqiang [1 ]
Wang, Shuxun [1 ]
机构：
[1] Jilin Univ, Coll Commun Engn, Changchun 130025, Peoples R China
[2] AUAF, Dept Elect Engn, Changchun 130022, Peoples R China
来源：
2007 INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, VOLS 1-15 | 2007年
关键词：
DOA; Parameters Estimating; Near-Field Sources; four-order cumulan;
D O I：
10.1109/WICOM.2007.259
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
Source localization is an important problem in array signal processing and it is used to estimate the direction of arrival (DOA) of multiple sources. In this paper, we present a four-order cumulant based ESPRIT like method for passive localization of near-field narrowband non-Gaussian sources using a centro-symmetric cross array. The proposed method uses the multiple-rotational invariance among certain cumulant-domain signal subspaces for 4-D parameter (carrier frequency, elevation, bearing and range) estimation of multiple sources. The method does not require any spectral peak search, only needs I-D parameter pairing, and can he applied to additive Gaussian noise environment The performance of the proposed method is verified by computer simulations.
引用
收藏
页码：1012 / +
页数：2
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