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Conference Paper: Coefficient sensitivity and structure optimization of multidimensional state-space digital filters

TitleCoefficient sensitivity and structure optimization of multidimensional state-space digital filters
Authors
Issue Date1997
Citation
Proceedings - Ieee International Symposium On Circuits And Systems, 1997, v. 4, p. 2465-2468 How to Cite?
AbstractIn this paper, a new coefficient sensitivity measure for multidimensional (n-D) digital systems in state-space representation is proposed. This is motivated by the fact that coefficients equal to 0 or ±1 can be implemented exactly using finite wordlength and thus have no contribution to coefficient quantization errors. The relationship between commonly used sensitivity measures for 2-D and n-D systems and the new one proposed in this paper is discussed. It is shown that in evaluating the accuracy between a finite wordlength implementation of a transfer function and the ideal one, the proposed sensitivity measure is more useful than the commonly used ones. Further, the proposed measure confirms that realizations with Schur and/or Hessenberg structures can be used to obtain more accurate finite wordlength implementations of transfer functions than the ones obtained using fully parametrized minimum sensitivity structures.
Persistent Identifierhttp://hdl.handle.net/10722/169788
ISSN

 

DC FieldValueLanguage
dc.contributor.authorXiao, Chengshanen_US
dc.contributor.authorAgathoklis, Panen_US
dc.contributor.authorHill, David Jen_US
dc.date.accessioned2012-10-25T04:55:37Z-
dc.date.available2012-10-25T04:55:37Z-
dc.date.issued1997en_US
dc.identifier.citationProceedings - Ieee International Symposium On Circuits And Systems, 1997, v. 4, p. 2465-2468en_US
dc.identifier.issn0271-4310en_US
dc.identifier.urihttp://hdl.handle.net/10722/169788-
dc.description.abstractIn this paper, a new coefficient sensitivity measure for multidimensional (n-D) digital systems in state-space representation is proposed. This is motivated by the fact that coefficients equal to 0 or ±1 can be implemented exactly using finite wordlength and thus have no contribution to coefficient quantization errors. The relationship between commonly used sensitivity measures for 2-D and n-D systems and the new one proposed in this paper is discussed. It is shown that in evaluating the accuracy between a finite wordlength implementation of a transfer function and the ideal one, the proposed sensitivity measure is more useful than the commonly used ones. Further, the proposed measure confirms that realizations with Schur and/or Hessenberg structures can be used to obtain more accurate finite wordlength implementations of transfer functions than the ones obtained using fully parametrized minimum sensitivity structures.en_US
dc.languageengen_US
dc.relation.ispartofProceedings - IEEE International Symposium on Circuits and Systemsen_US
dc.titleCoefficient sensitivity and structure optimization of multidimensional state-space digital filtersen_US
dc.typeConference_Paperen_US
dc.identifier.emailHill, David J:en_US
dc.identifier.authorityHill, David J=rp01669en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0030662835en_US
dc.identifier.volume4en_US
dc.identifier.spage2465en_US
dc.identifier.epage2468en_US
dc.identifier.scopusauthoridXiao, Chengshan=7202240414en_US
dc.identifier.scopusauthoridAgathoklis, Pan=7005622057en_US
dc.identifier.scopusauthoridHill, David J=35398599500en_US

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