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A complex variable fractional-delay FIR filter structure
Linköping University, The Institute of Technology. Linköping University, Department of Electrical Engineering, Electronics System.
2007 (English)In: IEEE transactions on circuits and systems. 2, Analog and digital signal processing (Print), ISSN 1057-7130, E-ISSN 1558-125X, Vol. 54, no 9, 785-789 p.Article in journal (Refereed) Published
Abstract [en]

This brief introduces a structure for complex variable fractional delay (FD) finite-length impulse response (FIR) filters. The structure is derived from a real variable FD FIR filter and is constituted by a set of fixed real linear-phase FIR filters and two multiply-accumulate chains containing variable multipliers. In this way the implementation complexity and delay may be reduced in comparison with the cascade approach which hitherto has been used for the same purpose. A design example is included to demonstrate the benefits of the new structure. © 2007 IEEE.

Place, publisher, year, edition, pages
2007. Vol. 54, no 9, 785-789 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-40596DOI: 10.1109/TCSII.2007.900349Local ID: 53574OAI: oai:DiVA.org:liu-40596DiVA: diva2:261445
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2017-12-13

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Johansson, Håkan

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