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  • Determination of plate sources, detector separation from one signal
    Holland, Stephen ...
    We address the problem of locating a transient source, such as an acoustic emission source, in a plate. We apply time-frequency analysis to the signals detected at a receiver. These highly dispersive ... and complex waveforms are measured for source-receiver separations ranging from 40 to 180 plate thicknesses and at frequencies such that 10 to 20 Rayleigh-Lamb branches are included. Reassigned, smoothed, pseudo-Wigner-Ville distributions are generated that exhibit the expected sharp ridges in the time-frequency plane, lying along the predicted frequency-time-of-arrival relations. The source-receiver separation can be determined from such plots.
    Vir: Ultrasonics. - ISSN 0041-624X (Letn. 38, št. 1/8, 2000, Str. 620-623)
    Vrsta gradiva - članek, sestavni del
    Leto - 2000
    Jezik - angleški
    COBISS.SI-ID - 3674907

    Povezava(-e):

    http://www.sciencedirect.com/science/journal/0041624X

    DOI:10.1016/S0041-624X(99)00206-1

    Dostop do polnega teksta samo za člane



vir: Ultrasonics. - ISSN 0041-624X (Letn. 38, št. 1/8, 2000, Str. 620-623)
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