Design of frequency-invariant beamformers employing multi-dimensional fourier transforms
Wei, Liu and Weiss, Stephan (2005) Design of frequency-invariant beamformers employing multi-dimensional fourier transforms. In: 4th International Workshop on Multi-Dimensional Systems, 2005-07-10 - 2005-07-13, Wuppertal. (http://dx.doi.org/10.1109/NDS.2005.195324)
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The design of a class of broadband arrays with frequency invariant beam patterns is studied and a simplified version of the design method employing multi-dimensional Fourier transforms is proposed with detailed account of each step. In the design examples, we give a mathematical explanation for the failure of this method in the lower frequencies. For a design with main beam pointing to a direction other than the broadside, the frequency invariant property is not good and two solutions for this problem are provided.
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Item type: Conference or Workshop Item(Paper) ID code: 36637 Dates: DateEvent10 July 2005PublishedKeywords: design, frequency-invariant, beamformers, multi-dimensional, fourier transforms, Electrical engineering. Electronics Nuclear engineering Subjects: Technology > Electrical engineering. Electronics Nuclear engineering Department: Faculty of Engineering > Electronic and Electrical Engineering Depositing user: Pure Administrator Date deposited: 11 Jan 2012 15:33 Last modified: 12 Mar 2012 11:43 URI: https://strathprints.strath.ac.uk/id/eprint/36637