Specificities of applying pseudorandom sound signals to measuring impulse responses on the shelf of the Sea of Japan

Solving the problems of underwater acoustic communication and navigation for controlling underwater objects greatly depends on a correct estimation of the hydrological and acoustical environment in the region. Analysis of the domestic and foreign experience in the field of navigational support of se...

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Bibliographic Details
Published in:Acoustical physics 2012, Vol.58 (1), p.125-128
Main Authors: Bezotvetnykh, V. V., Burenin, A. V., Morgunov, Yu. N., Strobykin, D. S.
Format: Article
Language:English
Subjects:
Acoustic navigation
Acoustics
Domestic
Economic analysis
Navigation
Ocean Acoustics and Underwater Sound
Physics
Physics and Astronomy
Pseudorandom
Sound
Underwater
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Summary:Solving the problems of underwater acoustic communication and navigation for controlling underwater objects greatly depends on a correct estimation of the hydrological and acoustical environment in the region. Analysis of the domestic and foreign experience in the field of navigational support of self-contained underwater devises shows that, to solve the problem, it is technically and economically advantageous to deploy a set of fixed sources of navigation signals in the region with a range of coverage that is at least not less than the size of the region of interest. At long distances and, especially, in a shallow-water sea, the key factors in solving the problem of navigation are correct determination of the efficient sound speed and the time of signal propagation for each path connecting sources and receivers.
ISSN:1063-7710
1562-6865
DOI:10.1134/S1063771011050034