Research on the influence of ocean sound propagation and source location by shallow water internal solitary waves

MA Shu-qing;PIAO Sheng-chun;Yang Shi-e

Journal of Vibration and Shock ›› 2009, Vol. 28 ›› Issue (11) : 73-78.

PDF(2828 KB)
PDF(2828 KB)
Journal of Vibration and Shock ›› 2009, Vol. 28 ›› Issue (11) : 73-78.
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Research on the influence of ocean sound propagation and source location by shallow water internal solitary waves

  • MA Shu-qing, PIAO Sheng-chun, Yang Shi-e
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Abstract

Internal solitary wave is a usual phenomenon in shallow water near the continental shelf. It changes the stable profile of water density and sound speed, causes distortion in sound field structure. In this paper, the influence of shallow water solitary wave on sound transmission loss and beamforming of horizontal array had been investigated, using PE method for both 2-dimensional and 3-dimensional cases. Simulation results of beamforming by CBF, MVDR and MUSIC are also compared.

Key words

Internal solitary waves / Parabolic Equation (PE) / Beam forming

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MA Shu-qing;PIAO Sheng-chun;Yang Shi-e. Research on the influence of ocean sound propagation and source location by shallow water internal solitary waves[J]. Journal of Vibration and Shock, 2009, 28(11): 73-78
PDF(2828 KB)

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