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Features determining compensation of counter energy flows in acoustic fields of the ocean

  • Ocean Acoustics. Hydroacoustics
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Abstract

The phenomenon of compensation of counteracoustic energy flows in the ocean was studied using the example of superposition of acoustic fields of a moving vessel and of the surface noise of a tropical shower using combined receivers at depths of 150 and 500 m. We demonstrate that comparison of the z-component of the spectrum of function of simple one-point coherence or the z-component of the cross-spectrum with the spectrum of phase difference between the acoustic pressure and the z-component of the vibrational speed is sufficient for unambiguous determination of the process of compensation. The criteria are the “dips” of the coherence function in a frequency range, common to these fields, which correspond to the jumps of the phase difference by ± (π/2).

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Authors and Affiliations

  1. V.I. Ihchev Pacific Oceanological Institute, Far East Branch, Russian Academy of Sciences, ul. Baltiiskaya 43, Vladivostok, 690041, Russia

    V. A. Shchurov, V. P. Kouleshov & E. S. Tkachenko

  2. Admiral G.I. Nevel’skii Marine State University, ul. Verkhneportovaya 50a, Vladivostok, 690059, Russia

    E. N. Ivanov

Authors
  1. V. A. Shchurov
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  2. V. P. Kouleshov
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  3. E. S. Tkachenko
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  4. E. N. Ivanov
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Corresponding author

Correspondence to V. A. Shchurov.

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Original Russian Text © V.A. Shchurov, V.P. Kouleshov, E.S. Tkachenko, E.N. Ivanov, 2010, published in Akusticheskiĭ Zhurnal, 2010, Vol. 56, No. 6, pp. 835–843.

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Shchurov, V.A., Kouleshov, V.P., Tkachenko, E.S. et al. Features determining compensation of counter energy flows in acoustic fields of the ocean. Acoust. Phys. 56, 1089–1096 (2010). https://doi.org/10.1134/S1063771010060357

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  • DOI: https://doi.org/10.1134/S1063771010060357

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