FINE GRAINED DEEP OCEAN SURVEY TECHNIQUES.

被引：0
|
作者：
Spiess, F.N.
Lowenstein, C.D.
Boegeman, D.F.
机构：
来源：
Proceedings of the Annual Offshore Technology Conference | 1978年 / 2卷
关键词：
D O I：
暂无
中图分类号：
P7 [海洋学];
学科分类号：
0707 ;
摘要：
A deeply towed system for fine scale deep ocean surveys has been assembled. It consists of precision echo sounder, sub-bottom penetration sounder, side-looking sonar, cameras, TV, magnetometer and a variety of other specialized measurement and sampling devices all operated on a coaxial electrical/mechanical towing cable. Local navigation to 5 m precision is provided by an acoustic transponder system. Recent advances have included digital side-looking sonar, dual frequency sub-bottom penetration system, an advanced transponder/echo repeater and a delay device for maintaining navigation when local topography or refraction blank out sound paths to transponders. 28 refs.
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页码：715 / 724
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