NDLI: Design of nearly linear-phase recursive digital filters by constrained optimization

Content Provider	IEEE Xplore Digital Library
Author	Guindon, D. Shpak, D. Antoniou, A.
Copyright Year	2009
Description	Author affiliation: Dept. of Electrical and Computer Engineering, University of Victoria, Victoria, BC, Canada (Guindon, D.; Shpak, D.; Antoniou, A.)
Abstract	A methodology for the design of recursive digital filters having nearly linear phase response is proposed. The underlying design method is of the direct type whereby the filter is designed as a single block. The design problem is formulated as a cascade of filter sections where each section is represented by a biquadratic transfer function in the polar form. The design problem is then solved using a constrained Newton's method whereby the constraints assure the stability of the filter and control the step size in order to achieve fast convergence. Design examples demonstrate that, when compared to filters designed using existing state-of-the art methods, the proposed methodology yields filters having reduced order and/or improved performance.
Starting Page	1
Ending Page	4
File Size	192079
Page Count	4
File Format	PDF
ISBN	9781424445738
DOI	10.1109/NEWCAS.2009.5290498
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-28
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Digital filters Constraint optimization Design optimization Design methodology Transfer functions Newton method Stability Size control Convergence Art
Content Type	Text
Resource Type	Article

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