P2sup.L2sup. strain monitor measures strain by monitoring change in phase of acoustic signal that passes through stressed sample. Phase sample causes shift in frequency of VCO. As with other monitors of this type, instrument is only accurate in elastic range of material. Monitor is expected to have broad application in materials testing, structural design, fabrication and assembly.


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    Titel :

    Pulsed Phase-Locked-Loop Strain Monitor


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

    Erschienen in:

    Erscheinungsdatum :

    1982-09-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


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

    Heyman, J. S. / Stone, F. D. | NTRS | 1987


    Constant-Frequency Pulsed Phase-Locked-Loop Measuring Device

    Yost, William T. / Cantrell, John H. / Kushnick, Peter W. | NTRS | 1992




    Differential vector phase locked loop

    Brewer, James / Raquet, John | IEEE | 2016