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Coupling compensation of the antenna array response for direction finding applications

Ghazaany, Tahereh S.
; 
Zhu, Shaozhen (Sharon)
; ; 
Jones, Steven M.R.
; 
Noras, James M.
; 
Van Buren, T.
; 
Suggett, T.
; 
Marker, S.
Publication Date
2014
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Keywords
Matrix algebra, Direction-of-arrival estimation, Antenna arrays, Interferometry
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Peer-Reviewed
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Engineering and Digital Technology Publications
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Abstract
In this research work the improvement of AOA estimation accuracy by applying a decoupling matrix derived using the receiving mode approach has been investigated using data measured in an anechoic chamber. The receiver was a 4-element uniform circular array with quarter wavelength inter-element spacing deployed on a square metal plate. The performance of the angle of arrival estimation error has been observed for two groups of direction finding algorithms, namely phase comparison-based (interferometry) and covariance-based algorithms. Mutual coupling compensation on AOA was found to improve accuracy by approximately 50%.
URI
http://hdl.handle.net/10454/10638
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Citation
Ghazaany TS, Zhu S, Abd-Alhameed R et al (2014) Coupling compensation of the antenna array response for direction finding applications. In: Proceedings of the 9th IET International Conference on Computation in Electromagnetics.31 Mar - 1 Apr 2014, London, UK.
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Link to Version of Record
https://doi.org/10.1049/cp.2014.0173
Type
Conference paper
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