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A Well-Conditioned Quadratic Program for Unique Design of Two Dimensional Weighted Chebyshev FIR Filters
Ansvarig organisation
1996 (Engelska)Konferensbidrag, Publicerat paper (Refereegranskat) Published
Abstract [en]

The weighted Chebyshev design of two-dimensional FIR filters is in general not unique since the Haar condition is not generally satisfied. However, for a design on a discrete frequency domain, the Haar condition might be fulfilled. The question of uniqueness is, however, rather extensive to investigate. It is therefore desirable to define some simple additional constraints to the Chebyshev design in order to obtain a unique solution. The weighted Chebyshev solution of minimum Euclidean filter weight norm is always unique, and represents a sensible additional constraint since it implies minimum white noise amplification. It is shown that this unique Chebyshev solution can always be obtained by using an efficient quadratic programming formulation with a strictly convex objective function and linear constraints An example where a conventional Chebyshev solution is non-unique is discussed in the paper.

Ort, förlag, år, upplaga, sidor
Atlanta, GA, USA: IEEE , 1996.
Nyckelord [en]
Chebyshev filters, filtering theory, FIR filters, frequency-domain synthesis, quadratic programming, two-dimensional digital filters, white noise
Nationell ämneskategori
Signalbehandling
Identifikatorer
URN: urn:nbn:se:bth-9334Lokalt ID: oai:bth.se:forskinfoFF75D19833B3076AC12568A3002CAA42ISBN: 0-7803-3192-3 (hft.) 0-7803-3193-1 (inb.) 0-7803-3194-X (mikrofiche) 0-7803-3195-8 (cd-rom) (tryckt)OAI: oai:DiVA.org:bth-9334DiVA, id: diva2:837146
Konferens
The 1996 IEEE International Conference on Acoustics, Speech and Signal Processing : conference proceedings : May 7-10, 1996, Marriott Marquis Hotel, Atlanta, Georgia, USA
Tillgänglig från: 2012-09-18 Skapad: 2000-03-15 Senast uppdaterad: 2015-06-30Bibliografiskt granskad

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Claesson, Ingvar

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