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Application of Vertical Receiving Arrays for Underwater Acoustic Communication in an Inhomogeneous Waveguide under an Ice Cover

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Abstract

The results of experimental studies of underwater acoustic communication at frequencies of 500–1000 Hz using vertical chains of hydrophones (linear arrays) are presented. The experiments were carried out in the coastal area of Lake Baikal covered with continuous ice. It is demonstrated that the use of vertical arrays in shallow water areas with ice cover can effectively suppress natural background noise when such receiving modules cover the entire water layer over depth. This allows to reduce by an order of magnitude the bit error rate in comparison with reception by a single hydrophone.

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Funding

This study was supported by the Russian Foundation for Basic Research (project no. 19-02-00127) and a State Assignment of the Shirshov Institute of Oceanology, Russian Academy of Sciences (project no. 0149-2019-0011).

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Authors and Affiliations

  1. Prokhorov General Physics Institute, Russian Academy of Sciences, Moscow, Russia

    M. V. Volkov, A. A. Lunkov & V. G. Petnikov

  2. Limnological Institute, Siberian Branch, Russian Academy of Sciences, Irkutsk, Russia

    M. M. Makarov

  3. Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, Russia

    A. V. Shatravin

Authors
  1. M. V. Volkov
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  2. A. A. Lunkov
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  3. M. M. Makarov
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  4. V. G. Petnikov
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  5. A. V. Shatravin
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Corresponding authors

Correspondence to A. A. Lunkov, M. M. Makarov, V. G. Petnikov or A. V. Shatravin.

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Volkov, M.V., Lunkov, A.A., Makarov, M.M. et al. Application of Vertical Receiving Arrays for Underwater Acoustic Communication in an Inhomogeneous Waveguide under an Ice Cover. Dokl. Phys. 66, 55–58 (2021). https://doi.org/10.1134/S1028335821010055

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  • DOI: https://doi.org/10.1134/S1028335821010055

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