Zobrazeno 1 - 10
of 137
pro vyhledávání: '"Sound velocity probe"'
Autor:
E. E. Khimchenko, A. N. Serebryany
Publikováno v:
Acoustical Physics. 64:580-589
The paper presents research results on sound velocity variability in the water column based on long-term measurements conducted on stationary platforms on the Crimean and southeastern shelves of the Black Sea in the summer–fall seasons. Measurement
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9784683791a431c7b7856bb4e21a154f
https://doi.org/10.1134/s1063771018050093
https://doi.org/10.1134/s1063771018050093
Publikováno v:
The Journal of the Acoustical Society of America. 142:2273-2287
The frequency bandwidth of the sound from a light helicopter, such as a Robinson R44, extends from about 13 Hz to 2.5 kHz. As such, the R44 has potential as a low-frequency sound source in underwater acoustics applications. To explore this idea, an e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d8442763fdac8f1b365cc7cb05773cdc
https://doi.org/10.1121/1.5007953
https://doi.org/10.1121/1.5007953
Publikováno v:
JGEET: Journal of Geoscience, Engineering, Environment and Technology, Vol 2, Iss 2, Pp 166-170 (2017)
Journal of Geoscience, Engineering, Environment, and Technology; Vol 2 No 2 (2017): JGEET Vol 02 No 02 : June (2017); 166-170
Journal of Geoscience, Engineering, Environment, and Technology; Vol 2 No 2 (2017): JGEET Vol 02 No 02 : June (2017); 166-170
Marine seismic reflection data have been collected for decades and since the mid-to late- 1980s much of this data is positioned relatively accurately. Marine geophysical acquisition of data is a very expensive process with the rates regularly ship th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e95401c60209ea3cefb55f4b3a45a09c
http://journal.uir.ac.id/index.php/JGEET/article/view/253
http://journal.uir.ac.id/index.php/JGEET/article/view/253
Autor:
Andrei Sushchenko, Igor V. Prokhorov
Publikováno v:
Applied Mechanics and Materials. 756:678-682
In this paper authors researched problems about construction of sonar images which based on signal from side-scan sonar. Authors use explicit formula for signal processing. It includes influence of volume scattering in the medium. Moreover, authors u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::44c12969e8120690a3a9c8742c06bea0
https://doi.org/10.4028/www.scientific.net/amm.756.678
https://doi.org/10.4028/www.scientific.net/amm.756.678
Akademický článek
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Publikováno v:
Applied Mechanics and Materials. :940-943
For single channel sound velocity measurement system accuracy was generally not high,a high-precision dual-channel sound velocity of seawater measurement system was designed.Based on ultrasonic speed of sound measurement in seawater with time-of-flig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd0c78e413049fcdcc856471ef02e044
https://doi.org/10.4028/www.scientific.net/amm.668-669.940
https://doi.org/10.4028/www.scientific.net/amm.668-669.940
Autor:
Peng Liu, Nobuyoshi Kouguchi
Publikováno v:
The Journal of the Marine Acoustics Society of Japan. 41:103-112
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::15680667be57ba4174bdff547527934d
https://doi.org/10.3135/jmasj.41.103
https://doi.org/10.3135/jmasj.41.103
Publikováno v:
Research Journal of Applied Sciences, Engineering and Technology. 5:1225-1231
In this study, we propose a new method for the imaging simulation of looking forward sonar. According to the theory of acoustics, the Kerchief's integral formula is used to solve the scattering sound field of objects in the water and the models of ob
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bfd3acb1a2ba746f6bcd4d0865153b70
https://doi.org/10.19026/rjaset.5.4854
https://doi.org/10.19026/rjaset.5.4854
Publikováno v:
2016 IEEE/OES China Ocean Acoustics (COA).
Range is the most important index of the detection performance of active sonar systems, and is influenced by the parameters of the sonar system, marine environment and target characteristics. The traditional method of predicting detection range was t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40c0830a00fcb62d014d43da5c9b1c6b
https://doi.org/10.1109/coa.2016.7535676
https://doi.org/10.1109/coa.2016.7535676
Autor:
Brian T. Hefner, Dajun Tang
Publikováno v:
The Journal of the Acoustical Society of America. 131:EL302-EL308
Downward looking sonar, such as the chirp sonar, is widely used as a sediment survey tool in shallow water environments. Inversion of geo-acoustic parameters from such sonar data precedes the availability of forward models. An exact numerical model i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a5f978f2e0c77fa294c87645e19cb30
https://doi.org/10.1121/1.3690962
https://doi.org/10.1121/1.3690962