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Building Models from Frequency Domain Data
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
1995 (English)In: Adaptive Control, Filtering and Signal Processing / [ed] Karl J. Åström, G.C. Goodwin, P.R. Kumar, New York: Springer-Verlag New York, 1995, Vol. 74, 229-240 p.Chapter in book (Refereed)
Abstract [en]

The interplay between the time and frequency domains for linear systems is well known and most useful. In the case of identifying linear models from observed data, this interplay manifests itself in two ways.

The observed data is of course primarily recorded in the time domain (even though the recording equipment may deliver them in the frequency domain). To build linear models from the data we can either do the fitting in the time domain and evaluate the resulting model’s properties in the frequency domain. We can also transfer the data themselves to the frequency domain and fit models directly there. In this contribution we shall consider some aspects of these two possibilities.

Place, publisher, year, edition, pages
New York: Springer-Verlag New York, 1995. Vol. 74, 229-240 p.
, The IMA Volumes in Mathematics and its Applications, ISSN 0940-6573 ; 74
Keyword [en]
Frequency domain, Models, Linear, Adaptive control systems, Filters (Mathematics), Signal processing
National Category
Control Engineering
URN: urn:nbn:se:liu:diva-56325DOI: 10.1007/978-1-4419-8568-2_10ISBN: 0-387-97988-3OAI: diva2:318451
Available from: 2010-05-07 Created: 2010-05-07 Last updated: 2014-03-24

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Ljung, Lennart
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Automatic ControlThe Institute of Technology
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