Using Correlation Functions as Free Decays

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Abstract

It is a general assumption in OMA that correlation functions are free decays. In multiple input OMA this assumption also implies that any column in the correlation function matrix is to be considered as multiple output free decays. This assumption is discussed in this paper together with issues concerning estimation and application of correlations functions in OMA.
Original languageEnglish
Title of host publicationDynamics of Civil Structures : Proceedings of the 36th IMAC, A Conference and Exposition on Structural Dynamics 2018
Editors Shamim Pakzad
Number of pages3
Volume2
PublisherSpringer
Publication date2018
Pages47-49
Chapter7
ISBN (Print)978-3-319-74420-9
ISBN (Electronic)978-3-319-74421-6
DOIs
Publication statusPublished - 2018
Event36th International Modal Analysis Conference - Orlando, United States
Duration: 12 Feb 201815 Feb 2018
Conference number: 36

Conference

Conference36th International Modal Analysis Conference
Number36
CountryUnited States
CityOrlando
Period12/02/201815/02/2018
SeriesConference Proceedings of the Society for Experimental Mechanics Series
ISSN2191-5644

Keywords

  • Operational modal analysis
  • Correlation functions
  • Unbiased estimation
  • Modal parameters

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