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Sergey Pereselkov, Venedikt Kuz?kin, Matthias Ehrhardt, Sergey Tkachenko, Pavel Rybyanets and Nikolay Ladykin
In this paper, we study the variations of holograms of a moving source in an inhomogeneous ocean waveguide. It is assumed that intense internal waves (internal solitons) are the reason for the inhomogeneities of the shallow water waveguide. The results o...
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Francisco Grajales-Saavedra, Alexis Mojica, Carlos Ho, Krysna Samudio, George Mejía, Saddy Li, Larisa Almengor, Roberto Miranda and Melisabel Muñoz
The City of David constitutes one of the most important commercial centers of the Republic of Panama. However, it is located on a coastal plane, close to an area with high seismic activity and has been affected by significant earthquakes (18 July 1934, M...
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Jiaqi Liu, Shengchun Piao, Minghui Zhang, Shizhao Zhang, Junyuan Guo and Lijia Gong
Oceanic fronts involved by ocean currents led to strong gradients of temperature, density and salinity, which have significant effects on underwater sound propagation. This paper focuses on the impact of the oceanic front on three-dimensional underwater ...
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Jianbo Zhou, Jun Tang and Yixin Yang
The performance of warping transformation in diminishing the error in underwater source-bearing estimation, caused by horizontal refraction effects (also named 3D effects), is studied. First, the capability of warping transformation for separating the no...
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Andrey Lunkov, Danila Sidorov and Valery Petnikov
Three-Dimensional (3-D) sound propagation in a shallow-water waveguide with a constant depth and inhomogeneous bottom is studied through numerical simulations. As a model of inhomogeneity, a transitional region between an acoustically soft and hard botto...
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Shenghao Li, Zhenglin Li, Wen Li and Yanxin Yu
Seamounts have important effects on sound propagation in deep water. A sound propagation experiment was conducted in the South China Sea in 2016. The three-dimensional (3D) effects of a seamount on sound propagation are observed in different propagation ...
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Iwona Kochanska
The performance of Underwater Acoustic Communication (UAC) systems are strongly related to the specific propagation conditions of the underwater channel. Horizontal, shallow-water channels are characterised by extremely disadvantageous transmission prope...
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Sophia Ulysse, Dominique Boisson, Claude Prépetit and Hans-Balder Havenith
After the M = 7.0 Haiti earthquake in 2010, many teams completed seismic risk studies in Port-au-Prince to better understand why this not extraordinarily strong event had induced one of the most severe earthquake disasters in history (at least in the Wes...
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