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)

Abstract

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 metadata

  Item type:	Conference or Workshop Item(Paper)
  ID code:	36637
  Dates:	Date Event 10 July 2005 Published
  Keywords:	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