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Methods for Estimating the Reduced Noise of a Moving Monopole Source in Shallow Water

  • OCEAN ACOUSTICS. HYDROACOUSTICS
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Abstract

The article demonstrates the possibility of evaluating the sound pressure reduced to the free space created by towed tonal emitters during signal reception from a vertical-horizontal scalar array moored a shallow water. When the emitter is towed, mutual positioning of the signal source and elements of the receiving array was done, and the array geometry was constructed. To calculate the transfer functions of the waveguide, a geoacoustic model of the shallow seafloor is used, obtained from preliminary acoustic calibration of the waveguide in the area of the experiment. We analyze the influence of the reliability of a priori information about the experimental conditions for the error in estimating the sound pressure values recalculated to free space.

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Funding

The study was supported by the program “Shallow-Water Acoustics, Nonlinear Acoustic Diagnostics, Nonlinear Wave Dynamics” (state registration number AAAA-A18-118021390174-1), the Russian Foundation for Basic Research (project no. 19-08-00941), and the Ministry of Science and Higher Education of the Russian Federation under a state task (topic no. 0852-2020-0015).

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Authors and Affiliations

  1. Southern Federal University, 344006, Rostov-on-Don, Russia

    G. M. Glebova

  2. Prokhorov General Physics Institute, Russian Academy of Sciences, 119991, Moscow, Russia

    G. N. Kuznetsov

Authors
  1. G. M. Glebova
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  2. G. N. Kuznetsov
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Correspondence to G. N. Kuznetsov.

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Glebova, G.M., Kuznetsov, G.N. Methods for Estimating the Reduced Noise of a Moving Monopole Source in Shallow Water. Acoust. Phys. 67, 273–282 (2021). https://doi.org/10.1134/S1063771021030039

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  • DOI: https://doi.org/10.1134/S1063771021030039

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