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Title
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Nonparametric time-variant frequency response function estimates using arbitrary excitations
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Author
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Abstract
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| The time-variant frequency response function (TV-FRF) uniquely characterises the dynamic behaviour of a linear time-variant (LTV) system. This paper proposes a method for estimating nonparametrically the dynamic part of the TV-FRF from known input, noisy output observations. The arbitrary time-variation of the TV-FRF is modelled by Legendre polynomials. In opposition to existing solutions, the proposed method is applicable to arbitrary inputs. (C) 2014 Elsevier Ltd. All rights reserved. |
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Language
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English
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Source (journal)
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Automatica / International Federation of Automatic Control. - Oxford
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Publication
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Oxford
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2015
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ISSN
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0005-1098
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DOI
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10.1016/J.AUTOMATICA.2014.10.088
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Volume/pages
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51
(2015)
, p. 308-317
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ISI
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000348015500040
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Full text (Publisher's DOI)
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