A study of the partially adaptive concentric ring array

Yunhong Li; Luis M. Vicente; K. C. Ho; Chiman Kwan; Pak Kong Lun; Y. H. Leung

doi:10.1007/s00034-008-9053-8

A study of the partially adaptive concentric ring array

Yunhong Li, Luis M. Vicente, K. C. Ho, Chiman Kwan, Pak Kong Lun, Y. H. Leung

The Hong Kong Polytechnic University

Research output: Journal article publication › Journal article › Academic research › peer-review

7 Citations (Scopus)

Abstract

Concentric ring arrays can provide effective beamforming and achieve frequency invariant beampatterns. For long range signal acquisition, the array has a large number of array elements, and partial adaptation is often necessary to increase tracking ability and reduce computation. The topic of this paper is the study of a partially adaptive concentric ring array for three-dimensional audio signal acquisition. We develop the partially adaptive array through partition matrix formulation, provide the associated adaptive structure, and derive the steady state residual interference and noise power that can serve as a criterion to evaluate different partition structures. A comparison of several partition schemes using the criterion is given, and the theoretical results are supported by simulations.

Original language	English
Pages (from-to)	733-748
Number of pages	16
Journal	Circuits, Systems, and Signal Processing
Volume	27
Issue number	5
DOIs	https://doi.org/10.1007/s00034-008-9053-8
Publication status	Published - 31 Jul 2008

Keywords

Beam forming
Circular array
Partial adaptation

ASJC Scopus subject areas

Signal Processing
Applied Mathematics

More information

10.1007/s00034-008-9053-8

Cite this

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AU - Vicente, Luis M.

AU - Ho, K. C.

AU - Kwan, Chiman

AU - Lun, Pak Kong

AU - Leung, Y. H.

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AB - Concentric ring arrays can provide effective beamforming and achieve frequency invariant beampatterns. For long range signal acquisition, the array has a large number of array elements, and partial adaptation is often necessary to increase tracking ability and reduce computation. The topic of this paper is the study of a partially adaptive concentric ring array for three-dimensional audio signal acquisition. We develop the partially adaptive array through partition matrix formulation, provide the associated adaptive structure, and derive the steady state residual interference and noise power that can serve as a criterion to evaluate different partition structures. A comparison of several partition schemes using the criterion is given, and the theoretical results are supported by simulations.

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ER -

A study of the partially adaptive concentric ring array

Abstract

Keywords

ASJC Scopus subject areas

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