System allows precise measurement of phase shift between two toneburst signals initially derived from same periodic source but delayed by different amounts through either path-length differences, propagation velocity differences, or both. Used to measure accurately phase shift encountered by acoustic wave striking front and back surfaces of sample. Velocity known, resulting measurement is of sample thickness. Thickness known, measurement is of sound velocity. Technique applies to many sources of radiation and not limited to acoustics.


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    Titel :

    Double-Referenced, Pulsed, Phase-Locked Loop - DRP2L2


    Beteiligte:
    Heyman, J. S. (Autor:in) / Stone, F. D. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.01.1987



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


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