DOA Estimation of Polarization Sensitive Array Based on Atomic Norm Minimization

被引：0

作者：

Chen T. ^{[1
]}

Li M.-X. ^{[1
]}

Guo L.-M. ^{[1
]}

Shen M.-Y. ^{[1
]}

机构：

[1] College of Information and Communication Engineering, Harbin Engineering University, Heilongjiang, Harbin

来源：

Tien Tzu Hsueh Pao/Acta Electronica Sinica | 2023年 / 51卷 / 04期

基金：

中国国家自然科学基金;

关键词：

atomic norm minimization; direction of arrival estimation; off-grid; orthogonal dipole array;

D O I：

10.12263/DZXB.20220429

中图分类号：

学科分类号：

摘要：

In order to improve the accuracy of the compressed sensing direction of arrival (DOA) estimation algorithm in polarization-sensitive arrays and avoid the off-grid problem, this paper proposes a gridless direction estimation algorithm using orthogonal dipole arrays based on the theory of atomic norm minimization (ANM). First, the multi-snapshot signal received by the one-dimensional-orthogonal dipole antenna is decomposed into two sub-arrays to be then added up. Then, a semi-definite programming problem is solved to recover a semi-definite Toeplitz matrix containing the information of the incident source, followed by a Vandermonde decomposition of this matrix to recover the DOA information of incoming. At the same time, the covariance matrix vectorization results and the least-squares method are combined to calculate the polarization angle and polarization phase information. By comparing the subspace algorithm and the compressed sensing algorithm under different snapshot numbers and signal-to-noise ratios through simulation experiments, it is proved that the algorithm has a high accuracy of angle measurement. © 2023 Chinese Institute of Electronics. All rights reserved.

引用

页码：835 / 842

页数：7

共 15 条

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