A video system for use in deep-ocean areas which has been designed and prototyped is presented. The basic specifications for the system include the use of a single coaxial cable for towing a camera sled, providing sled electrical power, and allowing the transmission up the cable of video images at a rate as near real time as possible. The underwater section of the system includes underwater low-light video cameras, a modulator, a single-board IBM PC-compatible computer, and a frame-grabber board. A demodulator, computers, frame-grabber boards, and monitors are included in the surface unit. The uniqueness of this system lies in its ability to send a video signal with a bandwidth of 790 kHz over a cable which has a 56-dB loss at 1 MHz. Some preliminary laboratory results and block diagrams of the elementary systems are included.


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    Title :

    A video telemetry system for deep ocean use


    Additional title:

    Ein Video-Fernmessungssystem für die Anwendung im tiefen Ozean


    Contributors:

    Published in:

    Publication date :

    1990


    Size :

    6 Seiten, 5 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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