DocumentCode :
1458922
Title :
A high-frequency, shallow-water acoustic measurement system
Author :
Stanic, Sava ; Eckstein, Bruce E. ; Williams, Robert L. ; Fleischer, Peter ; Briggs, Kevin B.
Volume :
13
Issue :
3
fYear :
1988
fDate :
7/1/1988 12:00:00 AM
Firstpage :
155
Lastpage :
162
Abstract :
The US Naval Ocean Research and Development Activity has developed a high-frequency acoustic measurement system for use in shallow water. The heart of this system is a pair of submersible towers supporting acoustic transmitting and receiving instrumentation. These towers are transported to an experimental staging area, assembled, and acoustic instrumentation installed. They are towed to a preselected measurement site, then the chambers on each tower are flooded, thereby settling slowly to the ocean bottom. Stability and dynamic response analyses were used to determine the towing and deployment stability envelopes for the towers. The acoustic transmitting system uses a pair of narrow-beam parametric acoustic sources operating at secondary frequencies ranging from 20 to 180 kHz. The acoustic receiving systems consist of a pair of 16-hydrophone, two-dimensional arrays with broadband capabilities up to 250 kHz. These systems have been used to make high-resolution bottom scattering measurements in shallow water off the coast, south of Panama City, Florida
Keywords :
acoustic applications; acoustic variables measurement; acoustic wave scattering; hydrophones; oceanographic equipment; underwater sound; 20 to 180 kHz; 250 kHz; Florida; Panama City; US Naval Ocean Research and Development Activity; acoustic measurement system; acoustic receiving systems; acoustic transmitting system; bottom scattering measurements; dynamic response; hydrophones; narrow-beam parametric acoustic sources; ocean bottom; shallow-water; stability; submersible towers; two-dimensional arrays; Acoustic measurements; Assembly; Heart; Instruments; Oceans; Poles and towers; Research and development; Sea measurements; Stability analysis; Underwater vehicles;
fLanguage :
English
Journal_Title :
Oceanic Engineering, IEEE Journal of
Publisher :
ieee
ISSN :
0364-9059
Type :
jour
DOI :
10.1109/48.572
Filename :
572
Link To Document :
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