Optimal Selection of the Sampling Interval for Estimation of Modal Parameters by an ARMA- Model

Poul Henning Kirkegaard

    Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

    1 Citationer (Scopus)

    Abstrakt

    Optimal selection of the sampling interval for estimation of the modal parameters by an ARMA-model for a white noise loaded structure modelled as a single degree of- freedom linear mechanical system is considered. An analytical solution for an optimal uniform sampling interval, which is optimal in a Fisherian sense, is given. The solution is investigated by a simulation study. It is shown that if the experimental length T1 is fixed it may be useful to sample the record at a high sampling rate, since more measurements from the system are then collected. No optimal sampling interval exists. But if the total number of sample points N is fixed an optimal sampling interval exists. Then it is far worse to use a too large sampling interval than a too small one since the information losses increase rapidly when the sampling interval increases from the optimal value.
    OriginalsprogEngelsk
    Titel11th International Modal Analysis Conference : Febuary 1-4, 1993 Kissimme, Florida
    Antal sider7
    Vol/bind1
    Udgivelses stedBethel, Connecticut
    ForlagSociety for Experimental Mechanics
    Publikationsdato1993
    Sider240-246
    ISBN (Trykt)0-912053-41-0
    StatusUdgivet - 1993
    BegivenhedThe International Modal Analysis Conference - Hyatt Orlando Hotel, Kissimmee, Florida, USA
    Varighed: 1 feb. 19934 feb. 1993
    Konferencens nummer: 11

    Konference

    KonferenceThe International Modal Analysis Conference
    Nummer11
    LokationHyatt Orlando Hotel
    LandUSA
    ByKissimmee, Florida
    Periode01/02/199304/02/1993
    NavnIMAC
    Vol/bind1
    ISSN1046-6770

    Emneord

    • Sampling Interval
    • ARMA-Models
    • Experimental Design

    Fingeraftryk Dyk ned i forskningsemnerne om 'Optimal Selection of the Sampling Interval for Estimation of Modal Parameters by an ARMA- Model'. Sammen danner de et unikt fingeraftryk.

  • Citationsformater

    Kirkegaard, P. H. (1993). Optimal Selection of the Sampling Interval for Estimation of Modal Parameters by an ARMA- Model. I 11th International Modal Analysis Conference: Febuary 1-4, 1993 Kissimme, Florida (Bind 1, s. 240-246). Society for Experimental Mechanics. IMAC, Bind. 1