A non-circular sources direction finding method using polynomial rooting

被引：247

作者：

Chargé, P ^{[1
]}

Wang, YD ^{[1
]}

Saillard, J ^{[1
]}

机构：

[1] Univ Nantes, Ecole Polytech, CNRS, UMR 6597,SETRA,IRCCyN, F-44306 Nantes, France

来源：

SIGNAL PROCESSING | 2001年 / 81卷 / 08期

关键词：

array processing; non-circular signals; root-MUSIC;

D O I：

10.1016/S0165-1684(01)00071-8

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, we present a new direction finding algorithm for non-circular sources based on the polynomial rooting technique. Due to the non-circularity characteristics of the impinging sources, the proposed method is able to handle more sources than sensors. Using polynomial rooting instead of a searching technique limits the method to linear uniformly spaced arrays. Polynomial rooting, however, reduces computation cost and enhances resolution power significantly. Computer simulations are used to show the performance of the algorithm. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：1765 / 1770

页数：6

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