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

被引：0
|
作者：
Yang, Jian [1 ,2 ]
Chen, Tao [1 ]
Shi, Lin [1 ]
Zhang, Chen [1 ]
机构：
[1] Harbin Engn Univ, Coll Informat & Commun Engn, Harbin, Heilongjiang, Peoples R China
[2] Beijing Inst Remote Sensing Equipment, Beijing, Peoples R China
来源：
COMMUNICATIONS, SIGNAL PROCESSING, AND SYSTEMS | 2019年 / 463卷
基金：
美国国家科学基金会;
关键词：
Multi-polarization sensitive circle array; MUSIC; DOA and polarization estimation; Multi-signals resolution;
D O I：
10.1007/978-981-10-6571-2_326
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：
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.
引用
收藏
页码：2694 / 2701
页数：8
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