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On linear-phase FIR filters with variable bandwidth
Linköping University, Department of Electrical Engineering.
Linköping University, Department of Electrical Engineering.
2004 (English)In: IEEE transactions on circuits and systems. 2, Analog and digital signal processing (Print), ISSN 1057-7130, E-ISSN 1558-125X, Vol. 51, no 4, 181-184 p.Article in journal (Refereed) Published
Abstract [en]

Recently, a particular structure for linear-phase finite-impulse response (FIR) filters with a variable bandwidth has received attention. In this structure, the overall transfer function is a weighted linear combination of fixed subfilters, with the weights being directly determined by the bandwidth. An advantage of this structure is that there are only a few adjustable parameters (weights), which results in a simple updating routine. However, in this paper, it is demonstrated that the use of a number of fixed regular overdesigned filters, each taking care of a part of the frequency region, in fact results in a lower overall arithmetic complexity. The price to pay is an increased group and phase delay.

Place, publisher, year, edition, pages
2004. Vol. 51, no 4, 181-184 p.
Keyword [en]
FIR filters
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-23643DOI: 10.1109/TCSII.2004.824060Local ID: 3136OAI: oai:DiVA.org:liu-23643DiVA: diva2:243958
Available from: 2009-10-07 Created: 2009-10-07 Last updated: 2017-12-13

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Publisher's full texthttp://ieeexplore.ieee.org/iel5/8920/28725/01288422.pdf?isNumber=28725&arnumber=1288422&prod=JNL&arSt=+181&ared=+184&arAuthor=Johansson%2C+H.%3B+Lowenborg%2C+P.

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Johansson, HåkanLöwenborg, Per

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  • Other style
More styles
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  • de-DE
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  • nn-NB
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Output format
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