Polyphase analysis of subband adaptive filters

Weiss, Stephan and Stewart, Robert and Harteneck, Moritz and Stenger, Alexander (1999) Polyphase analysis of subband adaptive filters. In: 33rd Asilomar Conference on Signals, Systems, and Computers, 1999-10-24 - 1999-10-27, Pacific Grove, CA. (http://dx.doi.org/10.1109/ACSSC.1999.831840)

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Abstract

Based on a polyphase analysis of a subband adaptive filter (SAF) system, it is possible to calculate the optimum subband impulse responses to which the SAF system will converge. We give some insight into how these optimum impulse responses are calculated, and discuss two applications of our technique. Firstly, the performance limitations of an SAF system can be explored with respect to the minimum mean square error performance. Secondly, fullband impulse responses can be correctly projected into the subband domain, which is required for example for translating constraints for subband adaptive beamforming. Examples for both applications are presented.

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  Item type:	Conference or Workshop Item(Paper)
  ID code:	32617
  Dates:	Date Event 1999 Published
  Keywords:	acoustics, adaptive filters, array signal processing, filter bank, error analysis, 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:	31 Aug 2011 09:10
  Last modified:	20 Sep 2018 01:54
  URI:	https://strathprints.strath.ac.uk/id/eprint/32617