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.
A video telemetry system for deep ocean use
Ein Video-Fernmessungssystem für die Anwendung im tiefen Ozean
SOUTHEASTCON '90. Proceedings ; 2 ; 648-653
1990
6 Seiten, 5 Quellen
Aufsatz (Konferenz)
Englisch
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