EVALUATION OF THE VALIDITY OF THE PERTURBATION APPROXIMATION FOR SOUND SCATTERING IN THE SEA USING A PIERSON-MOSKOWITZ SPECTRUM

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MOHSENI ARASTEH A.; LARY K.; SEMNANINEZHAD M.

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Journal: JOURNAL OF MARINE SCIENCE AND TECHNOLOGY RESEARCH Year:2009 | Volume:4 | Issue:2 Page(s): 73-84

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Title

EVALUATION OF THE VALIDITY OF THE PERTURBATION APPROXIMATION FOR SOUND SCATTERING IN THE SEA USING A PIERSON-MOSKOWITZ SPECTRUM

Author(s)

MOHSENI ARASTEH A. | LARY K. | SEMNANINEZHAD M. | Issue Writer Certificate

Keywords

SOUND ABSORPTIONQ3

SOUND SCATTERING PERTURBATION THEORYQ3

PIERSON – MOSKOWITZ SPECTRUMQ3

SCATTERING CROSS SECTIONQ3

Abstract

Scattering and absorption of acoustic waves is one of the important discussions in physical study of seas and oceans. In this paper, the effect of Pierson - Moskowitz spectral on the acoustic scattering in the sea have been investigated.In this study the validity of the perturbation approximations for scattering from "Pierson - Moskowitz" sea surface has been examined through comparison with typical sample. All results are for an acoustic frequency of 200 Hz and for incident grazing angles of 10°-20°.First–order perturbation theory, yields bistatic backscattering levels that are 1-3 dB low for the examples that have been studied, and for incident angle 20o when increased surface height, perturbation theory correspond with results of integral equation.

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APA: Copy

MOHSENI ARASTEH, A., LARY, K., & SEMNANINEZHAD, M.. (2009). EVALUATION OF THE VALIDITY OF THE PERTURBATION APPROXIMATION FOR SOUND SCATTERING IN THE SEA USING A PIERSON-MOSKOWITZ SPECTRUM. JOURNAL OF MARINE SCIENCE AND TECHNOLOGY RESEARCH, 4(2), 73-84. SID. https://sid.ir/paper/173873/en

Vancouver: Copy

MOHSENI ARASTEH A., LARY K., SEMNANINEZHAD M.. EVALUATION OF THE VALIDITY OF THE PERTURBATION APPROXIMATION FOR SOUND SCATTERING IN THE SEA USING A PIERSON-MOSKOWITZ SPECTRUM. JOURNAL OF MARINE SCIENCE AND TECHNOLOGY RESEARCH[Internet]. 2009;4(2):73-84. Available from: https://sid.ir/paper/173873/en

IEEE: Copy

A. MOHSENI ARASTEH, K. LARY, and M. SEMNANINEZHAD, “EVALUATION OF THE VALIDITY OF THE PERTURBATION APPROXIMATION FOR SOUND SCATTERING IN THE SEA USING A PIERSON-MOSKOWITZ SPECTRUM,” JOURNAL OF MARINE SCIENCE AND TECHNOLOGY RESEARCH, vol. 4, no. 2, pp. 73–84, 2009, [Online]. Available: https://sid.ir/paper/173873/en

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