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Frequency invariant beamforming for two-dimensional and three-dimensional arrays

Liu, W., Weiss, S., McWhirter, J.G. and Proudler, I.K. (2007) Frequency invariant beamforming for two-dimensional and three-dimensional arrays. Signal Processing, 87 (11). pp. 2535-2543. ISSN 0165-1684

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Abstract

A novel method for the design of two-dimensional (2-D) and three-dimensional (3-D)arrays with frequency invariant beam patterns is proposed. By suitable substitu- tions, the beam pattern of a 2-D or 3-D arrays can be regarded as the 3-D or 4-D Fourier transform of its spatial and temporal parameters. Since frequency invariance can be easily imposed in the Fourier domain, a simple design method is derived. Design examples for the 2-D case are provided.

Item Type: Article
Copyright, Publisher and Additional Information: © 2007 Elsevier B.V. This is an author produced version of a paper published in Signal Processing. Uploaded in accordance with the publisher's self-archiving policy.
Keywords: frequency invariant beamforming, linear arrays, planar arrays, three-dimensional arrays, Fourier transform
Institution: The University of Sheffield
Academic Units: The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Electronic and Electrical Engineering (Sheffield)
Depositing User: Sherpa Assistant
Date Deposited: 27 Sep 2007 15:06
Last Modified: 08 Feb 2013 16:54
Published Version: http://dx.doi.org/10.1016/j.sigpro.2007.03.018
Status: Published
Publisher: Elsevier B.V.
Refereed: Yes
Identification Number: 10.1016/j.sigpro.2007.03.018
URI: http://eprints.whiterose.ac.uk/id/eprint/3380

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