Spatial Focusing of Low-Mode Acoustic Signals in a shallow Sea with Underwater Flow |
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| Authors: | B. V. Kerzhakov V. V. Kulinich A. G. Koshkin A. I. Khil’ko |
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| Affiliation: | (1) Institute of Applied Physics of the Russian Academy of Sciences, Nizhny Novgorod, Russia |
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| Abstract: | We analyze the possibilities of increasing noise immunity during observation of low-mode acoustic signals diffracted by a localized inhomogeneity against the noise background in shallow-water oceanic waveguides using vertical transmitting and receiving antenna arrays in the case where their deflections in the vertical direction, arising due to the influence of underwater flows, are assumed known. It is shown that compensation for the array inclination increases significantly the observation-region sizes. UDC 534.231 Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika. |
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