Among the measurement facilities for the speed of sound in the ocean, meters constructed on the principle of follow-up balancing, and particularly frequency-time (VIS) that have higher metrological characteristics are compared with pulse-cyclic (annular) meters are of considerable interest. The VIS meters have a pulse output signal, whose frequency is proportional to the speed of sound. A VIS is described in which high measurement accuracy is assured because of automatic elimination of the delay from the duration of the sounding interval. The operating principle of the VIS is elucidated by means of a block diagram.


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    Titel :

    Sound speed meter with systematic error compensation


    Weitere Titelangaben:

    Meßverfahren und Meßgeräte zur Unterwasserschallmessung unter besonderer Berücksichtigung des VIS-Verfahrens


    Beteiligte:
    Ismailov, T.K. (Autor:in) / Izmailov, A.M. (Autor:in) / Mitrofanova, E.V. (Autor:in)

    Erschienen in:

    Measurement Techniques ; 32 , 9 ; 911-913


    Erscheinungsdatum :

    1989


    Format / Umfang :

    3 Seiten, 3 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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