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An exact finite sample variance expression for a class of frequency function estimates
KTH, Superseded Departments, Signals, Sensors and Systems. (Reglerteknik)ORCID iD: 0000-0002-9368-3079
University of Newcastle.
2004 (English)In: 43RD IEEE CONFERENCE ON DECISION AND CONTROL, 2004, 370-375 p.Conference paper, Published paper (Refereed)
Abstract [en]

An explicit expression for the variance of finite sample frequency function estimates is presented. The expression is applicable to models estimated using the least-squares method under the following conditions: 1) The system is in the model set; 2) The model structure is linear in the parameters (c.f. FIR, Laguerre and Kautz models); 3) The measurement noise is white; 4) The number of estimated parameters coincides with the number of non-zero spectral lines of the input. The new variance expression gives insight into how to choose the input spectrum in order to obtain reliable frequency function estimates. In the paper this variance expression is also used to compare FIR modeling with Empirical Transfer Function Estimation.

Place, publisher, year, edition, pages
2004. 370-375 p.
Series
IEEE CONFERENCE ON DECISION AND CONTROL - PROCEEDINGS, ISSN 0191-2216
National Category
Control Engineering
Research subject
SRA - ICT
Identifiers
URN: urn:nbn:se:kth:diva-26576DOI: 10.1109/CDC.2004.1428657ISI: 000226745600062Scopus ID: 2-s2.0-14344266746ISBN: 0-7803-8682-5 (print)OAI: oai:DiVA.org:kth-26576DiVA: diva2:379226
Conference
43rd IEEE Conference on Decision and Control San Diego, CA, DEC 14-17, 2004
Note
QC 20101217Available from: 2010-12-17 Created: 2010-11-25 Last updated: 2012-01-19Bibliographically approved

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Hjalmarsson, Håkan

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CiteExportLink to record
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  • apa
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  • de-DE
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Output format
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