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Title: Nonparametric frequency-response function estimators based on nonlinear averaging techniques
Authors: Guillaume, P ×
Pintelon, R
Schoukens, Joannes #
Issue Date: Dec-1992
Publisher: Ieee-inst electrical electronics engineers inc
Series Title: IEEE Transactions on Instrumentation and Measurement vol:41 issue:6 pages:739-746
Abstract: Nonparametric frequency response function (FRF) estimators based on nonlinear averaging techniques are proposed. Under mild assumptions (which are well satisfied after a discrete Fourier transform) it is shown that their bias is proportional to the fourth-order moments of the perturbing errors on the input-output Fourier coefficients, while, for instance, the bias of the classical H-1 estimator is a function of the second-order moments. Analytical expressions are given for the bias when the frequency-domain input-output errors are zero-mean complex Gaussian (and mutually correlated).
URI: 
ISSN: 0018-9456
Publication status: published
KU Leuven publication type: IT
Appears in Collections:ESAT - STADIUS, Stadius Centre for Dynamical Systems, Signal Processing and Data Analytics
× corresponding author
# (joint) last author

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