A sonar calibration facility is designed for helicopter dipped sonar test and evaluation. Special requirements were, minimize space requirement, minimize ambient noise for low signal hydrophone calibration, treat water to increase cavitation threshold for source calibration. The nearfield calibration array technique provides an accurate, efficient calibration facility that can economically meet these special requirements.


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    Title :

    Proposed Near Field Sonar Test Facility Naval Air Rework Facility, Naval Air Station, North Island, San Diego


    Contributors:

    Publication date :

    1975


    Size :

    37 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English