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A class of two-channel hybrid analog/digital filter banks
Linköping University, The Institute of Technology. Linköping University, Department of Electrical Engineering, Electronics System.
Linköping University, Department of Electrical Engineering.
Linköping University, The Institute of Technology. Linköping University, Department of Electrical Engineering, Electronics System.
1999 (English)In: Midwest Symposium on Circuits and Systems,1999, 1999, 14-17 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper introduces a class of hybrid analog/digital filter banks with approximately perfect magnitude reconstruction. The filter bank consists of analog analysis and digital synthesis filter banks. The analog analysis filters are formed as a sum and difference of two allpass subfilters, respectively, resulting in filters with low orders and few free parameters, which is advantageous from implementation and design points of view. The digital synthesis filters are odd-order linear-phase FIR filters with symmetric and anti-symmetric impulse responses, respectively. The filter design is performed by first optimizing the analog analysis filters. Then, with the analog filters fixed, optimum digital synthesis filters, in the minimax sense, are obtained with the aid of linear programming

Place, publisher, year, edition, pages
1999. 14-17 p.
Keyword [en]
all-pass filters channel bank filters linear phase filters linear programming minimax techniques transient response
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-34406Local ID: 21415OAI: oai:DiVA.org:liu-34406DiVA: diva2:255254
Available from: 2009-10-10 Created: 2009-10-10

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http://ieeexplore.ieee.org/iel5/6968/18758/00867197.pdf?tp=&arnumber=867197&isnumber=18758

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Löwenborg, PerJohansson, HåkanWanhammar, Lars

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  • nn-NB
  • sv-SE
  • Other locale
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Output format
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  • asciidoc
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