Using Ambient Noise to Inverse Geo-Acoustic Parameters

Chun Xia Meng; Gui Juan Li; Liang Zhang

doi:10.4028/www.scientific.net/AMR.588-589.851

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 588-589Using Ambient Noise to Inverse Geo-Acoustic...

Using Ambient Noise to Inverse Geo-Acoustic Parameters

Abstract:

This paper presents a theoretical study of the vertical coherence of ocean ambient noise as the source is the windy ocean surface on the ray theory. At low frequencies less than 2 kHz, the sensitivity of stratified fluid seabed to the vertical coherence of ambient noise in shallow water is analyzed under the condition of distance-irrespective stratified ocean. Using ambient noise data from Chinese north shallow water seabed geo-acoustics parameters are obtained, and the research results show that the inverted method is effective.

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Periodical:

Advanced Materials Research (Volumes 588-589)

Pages:

851-855

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.588-589.851

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Online since:

November 2012

Authors:

Chun Xia Meng, Gui Juan Li, Liang Zhang

Keywords:

Experiment, Geo-Acoustic Parameters, Ocean Ambient Noise, Ray Theory, Vertical Coherence

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References

[1] C.H. Harrison, Formulas for ambient noise level and coherence .J.A.S.A. 99(4), p.2055-(2066).

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[2] Yin Bao-you, Lin Jian-heng, at Sensitivity of geo acoustic parameters to vertical coherence of ocean ambient noise , Technical Acoustics 2009, Vol28, 2, pp.84-86.

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