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Nonparametric time-variant frequency response function estimates using arbitrary excitations
DOI:10.1016/j.automatica.2014.10.088.png)
摘要
En 中文
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.
Keyword:
Time-variant frequency response function
Nonparametric estimates
Arbitrary excitations
Time-variant systems
Legendre polynomials
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期刊
IF:
5.9
论文数:
1.2W
被引数:
5.2W

