3 - Modèle ARMA à coefficient dépendant du temps: estimateurs et applications

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dc.contributor.author GRENIER (Y.) en_US
dc.date.accessioned 2005-07-20T12:09:30Z
dc.date.available 2005-07-20T12:09:30Z
dc.date.issued 1986 en_US
dc.identifier.citation Traitement du Signal [Trait. Signal], 1986, Vol. 3, N° 4-5-NS, p. 219-233 en_US
dc.identifier.issn 0765-0019 en_US
dc.identifier.uri http://hdl.handle.net/2042/1609
dc.description This paper describes a framework for time-dependent modelling of nonstationary signais, based upon autoregressive or ARMA models with time-varying coefficients . Previous works by the author are summarized here : starting front ideas proposed by Rao, Mendel and then Liporace, it is assumed that the coefficients of the model are expressed as linear combinations of known time functions . A class of estimators is described in this text, comprising autoregressive models, moving average models, and also lattice filters, parametrized through reflection coefficients or through Log Area Ratios . Speech synthesis, which is one of the applications for which these models are efficients, concludes the paper.
dc.description.abstract On présente une méthodologie de modélisation des signaux non stationnaires au moyen d'une classe de modèles autorégressifs à moyenne ajustée. Application à la synthèse de la parole en_US
dc.format.extent 51964 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US
dc.publisher GRETSI, Saint Martin d'Hères, France en_US
dc.relation.ispartofseries Traitement du Signal
dc.rights http://irevues.inist.fr/utilisation en_US
dc.source Traitement du Signal [Trait. Signal], ISSN 0765-0019, 1986, Vol. 3, N° 4-5-NS, p. 219-233 en_US
dc.subject.cnrs Traitement parole en_US
dc.subject.cnrs Parole en_US
dc.subject.cnrs Synthèse parole en_US
dc.subject.cnrs Codage en_US
dc.subject.cnrs Modèle autorégressif en_US
dc.subject.cnrs Modélisation en_US
dc.subject.cnrs Filtre treillis en_US
dc.subject.cnrs Signal non stationnaire en_US
dc.title 3 - Modèle ARMA à coefficient dépendant du temps: estimateurs et applications en_US
dc.title.alternative ARMA models with time-dependent coefficients: estimators and applications
dc.type Article en_US
dc.contributor.affiliation ENST, Systèmes Communications, Paris 75634 en_US


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