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Linear programming design of linear-phase FIR filters with variable bandwidth
Linköping University, Department of Electrical Engineering.
Linköping University, The Institute of Technology. Linköping University, Department of Electrical Engineering, Electronics System.
2003 (English)In: IEEE International Symposium on Circuits and Systems,2003, 2003, p. III-554-III-557Conference paper, Published paper (Refereed)
Abstract [en]

This paper considers the design of linear-phase FIR digital filters that have a variable bandwidth whereas the phase response is fixed. For this purpose, we employ a structure in which the overall transfer function is a weighted linear combination of fixed subfilters and where the weights are directly determined by the bandwidth. We introduce a linear programming design technique which generates globally optimal overall filters in the minimax (Chebyshev) sense. Further, both the cases where the subfilters are of equal and different orders, respectively, are treated. Earlier, only the equal-order case has been considered.

Place, publisher, year, edition, pages
2003. p. III-554-III-557
Keyword [en]
FIR digital filters fixed phase response globally optimal filters linear programming design technique linear-phase digital filters minimax sense transfer function variable bandwidth
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-34436Local ID: 21445OAI: oai:DiVA.org:liu-34436DiVA, id: diva2:255284
Available from: 2009-10-10 Created: 2009-10-10

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http://ieeexplore.ieee.org/iel5/8570/27130/01205079.pdf?tp=&arnumber=1205079&isnumber=27130

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Johansson, HåkanLöwenborg, Per

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