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2019 | OriginalPaper | Chapter

Joint DOA and Polarization Estimation Based on Multi-polarization Sensitive Array

Authors : Jian Yang, Tao Chen, Lin Shi, Chen Zhang

Published in: Communications, Signal Processing, and Systems

Publisher: Springer Singapore

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Abstract

A joint direction-of-arrival (DOA) and polarization estimation method based on multi-polarization sensitive circle array and joint spectrum in polarization and spatial domains has been investigated. Multi-polarization sensitive array is composed of several elements with different polarizations, which can avoid signal energy loss caused by the polarization mismatch or shelter and can estimate DOA and polarization parameters of incident signal with arbitrary polarization effectively. In addition, this structure can be better applied to conformal antenna. The joint spectrum in polarization and spatial domains is defined by using MUSIC (multiple signal classification) method. The estimation accuracy and resolving power under different SNR (signal-to-noise ratio) and snapshots are investigated to measure the performance of the method based on this structure. The simulation shows good performance for DOA and polarization estimation of single signal, and the polarization discrimination can improve the resolution when two signals arrival in closely direction.

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Metadata
Title
Joint DOA and Polarization Estimation Based on Multi-polarization Sensitive Array
Authors
Jian Yang
Tao Chen
Lin Shi
Chen Zhang
Copyright Year
2019
Publisher
Springer Singapore
Book
Communications, Signal Processing, and Systems

Print ISBN: 978-981-10-6570-5

Electronic ISBN: 978-981-10-6571-2

Copyright Year: 2019

DOI
https://doi.org/10.1007/978-981-10-6571-2_326