Off-broadside main beam design for frequency invariant beamformers

Liu, W. and Weiss, S.; (2008) Off-broadside main beam design for frequency invariant beamformers. In: International ITG Workshop on Smart Antennas, 2008. IEEE, pp. 190-194. ISBN 978-1-4244-1756-8 (https://doi.org/10.1109/WSA.2008.4475558)

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Abstract

In a previously proposed design method for frequency invariant beamforming, the design for the case of an off-broadside main beam is not satisfactory. After a detailed analysis, we propose two methods to overcome this problem: one is to increase the length of the FIR filter attached to each sensor, as a result, we need to sample the transformed desired response more densely in the associated direction; the other one is to design a broadside main beam first, then it is convolved with appropriate steering delay filters. Design examples show that the two methods can provide satisfactory results.

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• Item metadata

  Item type:	Book Section
  ID code:	14707
  Dates:	Date Event February 2008 Published
  Subjects:	Technology > Electrical engineering. Electronics Nuclear engineering
  Department:	Faculty of Engineering > Electronic and Electrical Engineering
  Depositing user:	Strathprints Administrator
  Date deposited:	02 Sep 2010 08:53
  Last modified:	18 Apr 2024 00:03
  URI:	https://strathprints.strath.ac.uk/id/eprint/14707