Direction of Arrival and Polarization Estimation with a Polarized Circular Array

doi:10.13190/j.jbupt.2016.02.014

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2016, Vol. 39 ›› Issue (2): 69-72.doi: 10.13190/j.jbupt.2016.02.014

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Direction of Arrival and Polarization Estimation with a Polarized Circular Array

WANG Gui-bao^1,2

1. School of Physics and Telecommunication Engineering, Shaanxi University of Technology, Shaanxi Hanzhong 723001, China;
2. National Laboratory of Radar Signal Processing, Xidian University, Xi'an 710071, China

Received:2015-07-31 Online:2016-04-28 Published:2016-01-29

Abstract

Abstract:

In order to relax the embattle conditions and solve the phase ambiguity of existing algorithm, a signal parameter estimation algorithm based on the polarized uniform circular polarized array was studied using the estimating signal parameters via rotational invariance techniques (ESPRIT) algorithm. The phase differences between two adjacent array elements are obtained based on the performance of steering vector using the subspace theory, the phase ambiguity is resolved. Using the relationship of array manifold vector between z-axis electric dipoles and magnetic dipoles, the least squares solution to the signal polarization and direction of arrival estimations were given with matrix operations without spectral peak searching and parameter matching. Simulations verify the effectiveness of the algorithm.

Key words: array signal processing, polarization sensitive array, parameter estimation, subspace algorithm, least squares

CLC Number:

TN911.23

WANG Gui-bao. Direction of Arrival and Polarization Estimation with a Polarized Circular Array[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2016, 39(2): 69-72.

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Direction of Arrival and Polarization Estimation with a Polarized Circular Array

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