Frequency Response Function Measurements via Local Rational Modeling, Revisited

A finite measurement time is at the origin of transient (sometimes called leakage) errors in nonparametric frequency response function (FRF) estimation. If the FRF varies significantly over the frequency resolution of the experiment (= reciprocal of the measurement time), then these transients (leak...

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Veröffentlicht in:	IEEE transactions on instrumentation and measurement Jg. 70; S. 1 - 16
Hauptverfasser:	Pintelon, Rik, Peumans, Dries, Vandersteen, Gerd, Lataire, John
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	New York IEEE 2021 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Schlagworte:	Approximation Bias Estimation Frequency measurement Frequency response Frequency response function (FRF) Frequency response functions Leakage local polynomial (LP) modeling local rational modeling Low noise Mathematical analysis Measurement uncertainty Modelling Noise measurement Noise reduction Noise sensitivity nonparametric estimation Nonparametric statistics Polynomials Rational functions Time measurement transient Transient analysis Variance analysis
ISSN:	0018-9456, 1557-9662
Online-Zugang:	Volltext
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