Title: Numerically robust transfer function modeling from noisy frequency domain data
Authors: Bultheel, Adhemar ×
Van Barel, Marc
Rolain, Yves
Pintelon, Rik #
Issue Date: Nov-2005
Publisher: Institute of Electrical and Electronics Engineers
Series Title: IEEE Transactions on Automatic Control vol:50 issue:11 pages:1835-1839
Abstract: We solve a rational linearized discrete least squares approximation problem. The method proposed is fast and numerically stable provided that the data are frequency response values of the system to be identified. Thus if function values are given on the complex unit circle for a discrete time system or on the imaginary axis for the continuous time system. The rational approximant can be used as a starting point for solving a proper rational approximation problem by iterative methods.

ISSN: 0018-9286
Publication status: published
KU Leuven publication type: IT
Appears in Collections:NUMA, Numerical Analysis and Applied Mathematics Section
× corresponding author
# (joint) last author

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