Ambient Noise Characterization of Shallow Water Environment
نویسندگان
چکیده
منابع مشابه
Ambient Noise Imaging techniques and potential in warm shallow water
The class of acoustic imaging techniques known as Ambient Noise Imaging started with Acoustic Daylight, which has since been joined over the past decade by several other independent algorithms. To date, the algorithms described in the literature have generally been statistical approaches, treating the insonification by sources of opportunity as a random variable. In warm shallow waters, where s...
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Research over the past several years has shown that breaking wave noise can be used for remote sensing of the environment. There are several advantages to passive remote sensing including simple measurement requirements and minimal environmental impact. While ocean ambient noise has been studied for decades, much of the interest has been on determining the impact of noise on sonar performance. ...
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Underwater ambient noise measurements were carried out in a shallow (15-20 m) brackish water in the archipelago of the Gulf of Finland for period of 1 year. The absence of traffic noise made it possible to study wind driven effects in ambient noise at lower frequencies. The ambient noise comes mostly from local sources and the propagation effects are shown to be negligible. The ambient noise de...
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This work presents a shallow water ambient noise analysis and modeling effort in the Arabian Sea. Real ambient noise recording at very shallow depths has been analyzed for two environmentally unique periods when the sound velocity profile and the wind conditions present distinct characteristics. Ambient noise data were collected for January and March in the shallow water of Arabian Sea between ...
متن کاملHigh-frequency wind-driven ambient noise in shallow brackish water: measurements and spectra.
Ambient noise measurements were carried out in shallow brackish water within a frequency range extending up to 70 kHz. The high-frequency spectral slopes become steeper above 10 kHz at intermediate and high wind speeds. This is because the start of the wind speed dependence shifts rapidly to higher wind speeds at frequencies above 13 kHz. A physical explanation for this observation may be the l...
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ژورنال
عنوان ژورنال: EMITTER International Journal of Engineering Technology
سال: 2016
ISSN: 2443-1168,2355-391X
DOI: 10.24003/emitter.v3i2.47