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On designing minimax adjustable wideband fractional delay FIR filters using two-rate approach
Linköping University, Department of Electrical Engineering.
2005 (English)In: European Conference on Circuit Theory and Design,2005, 2005, 3/437-3/440 p.Conference paper (Other academic)
Abstract [en]

This paper introduces a novel solution to the problem of designing an economical adjustable wideband fractional delay (FD) filter. The innovation lies in an aggregation of two approaches aimed at obtaining a two-stage FD filter with reduced numerical complexity. The first approach is based on simultaneous optimization of sub-filters in one-stage arrangement. The second one makes use of two-rate technique to end up with an efficient single-rate structure. The novel design procedure entails joint minimax optimization of both stages and concurrently takes advantage of the benefits of the Farrow structure build up of fixed linear-phase sub-filters. Our filter requires a lower arithmetic complexity than the hitherto available ones, while meeting the same specification on the complex approximation error magnitude.

Place, publisher, year, edition, pages
2005. 3/437-3/440 p.
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-34474Local ID: 21512OAI: diva2:255322
Available from: 2009-10-10 Created: 2009-10-10

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Johansson, Håkan
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Department of Electrical Engineering
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