Linear Prediction-Based DOA Estimator in Non-Uniform Noise

被引：2

作者：

Shafiee, Fateme ^{[1
]}

Mahmoudi, Alimorad ^{[1
]}

Dumitrescu, Bogdan ^{[2
]}

机构：

[1] Shahid Chamran Univ Ahvaz, Fac Engn, Elect Engn Dept, Ahwaz, Iran

[2] Univ Politehn Bucuresti, Dept Automat Control & Comp, Bucharest, Romania

来源：

CIRCUITS SYSTEMS AND SIGNAL PROCESSING | 2021年 / 40卷 / 05期

关键词：

Direction of arrival estimation; Non-uniform noise; Linear prediction; Generalized eigenvalue problem; OF-ARRIVAL ESTIMATION; MAXIMUM-LIKELIHOOD; PARAMETERS; ARRAY;

D O I：

10.1007/s00034-020-01587-4

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：

We study the DOA estimation problem in the presence of non-uniform white noise and propose a new method based on a linear prediction approach. The problem is first converted to the uniform noise case by averaging autocorrelations of the array output. The resulting equations can be seen as a quadratic eigenvalue problem, whose solution is the vector of DOA estimations. This new approach is iteration-free and has a low complexity. Simulation results show the effectiveness of the proposed algorithm.

引用

页码：2494 / 2506

页数：13

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