A Log-Frequency Approach to the Identification of the Wiener-Hammerstein Model
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Goodman_A-Log-Frequency-Approach.pdf
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180.42 KB
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Author(s)
Goodman, Joel I.
Herman, Matthew
Miller, Benjamin A.
Bond, Bradley N.
Date Issued
July 2009
Journal
IEEE Signal Processing Letters
Publisher
Institute of Electrical and Electronics Engineers
Citation
Goodman, J. et al. “A Log-Frequency Approach to the Identification of the Wiener–Hammerstein Model.” Signal Processing Letters, IEEE 16.10 (2009): 889-892. © 2009 Institute of Electrical and Electronics Engineers
Version
Final published version
Abstract
In this paper we present a simple closed-form solution to the Wiener-Hammerstein (W-H) identification problem. The identification process occurs in the log-frequency domain where magnitudes and phases are separable. We show that the theoretically optimal W-H identification is unique up to an amplitude, phase and delay ambiguity, and that the nonlinearity enables the separate identification of the individual linear time invariant (LTI) components in a W-H architecture.
MIT Department
Lincoln Laboratory
Massachusetts Institute of Technology. Research Laboratory of Electronics
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
http://dx.doi.org/10.1109/lsp.2009.2026460
