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FIR Filter With Variable Fractional Delay and Phase Shift: Efficient Realization and Design Using Reweighted l(1)-Norm Minimization
Linköping University, Department of Electrical Engineering, Electronics System. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Electronics System. Linköping University, The Institute of Technology.
2013 (English)Conference paper, Published paper (Refereed)
Abstract [en]

This paper introduces a finite-length impulse response (FIR) digital filter having both a variable fractional delay (VFD) and a variable phase shift (VPS). The realization is reconfigurable online without redesign and without transients. It can be viewed as a generalization of the VFD Farrow structure that offers a VPS in addition to the regular VFD. The overall filter is composed of a number of fixed subfilters and a few variable multipliers whose values are determined by the desired FD and PS values. It is designed offline in an iterative manner, utilizing reweighted l(1)-norm minimization. This design procedure generates fixed subfilters with many zero-valued coefficients, typically located in the impulse response tails.

Place, publisher, year, edition, pages
IEEE , 2013. 81-84 p.
Series
INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS), ISSN 0271-4302 ; 2013
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-106530DOI: 10.1109/ISCAS.2013.6571787ISI: 000332006800021ISBN: 978-1-4673-5760-9 (print)OAI: oai:DiVA.org:liu-106530DiVA: diva2:716605
Conference
2013 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS)
Available from: 2014-05-12 Created: 2014-05-09 Last updated: 2014-12-03

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Johansson, HåkanEghbali, Amir

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Citation style
  • apa
  • harvard1
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  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
  • html
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  • asciidoc
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