The purpose of this work is to detect, to locate and to size the surface defects of immersed objects or structures. A beam focused ultrasonic sensor is used for providing the data. This special sensor is handled by a mini robot in order to achieve the scanning of object surface. The system is controlled by a microcomputer which generates the command signals, performs the acquisition of data, and process the data.


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    Title :

    Modelling and filtering of an underwater acoustic signal


    Additional title:

    Die Modelldarstellung und die Filterung von Unterwasserschall


    Contributors:
    Younis, F. (author) / Faure, A. (author)


    Publication date :

    1987


    Size :

    6 Seiten, 4 Bilder, 1 Tabelle, 15 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English






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