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Error Estimation of Direction Finding and Determining Coordinates of Signal Source Using Combined Hydroacoustic Receivers

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Abstract

The paper deals with the possibility of direction finding and determining the coordinates of a source of acoustic signal emitted by a surface or underwater vehicle in the subsonic frequency range. For this purpose combined hydroacoustic receivers are used. During the first experiment, the estimates of the systematic component of direction finding error were obtained when the source emitted a tone or polyharmonic signal, and the direction finding results were averaged over a set of frequencies. The obtained results were used in the second experiment for estimating the error in determining the coordinates of the polyharmonic signal emitter consisting of three combined receivers (CR) which form the navigation base distributed in the horizontal plane.

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ACKNOWLEDGMENTS

The authors show their appreciation to all the colleagues from the Institute for Marine Technology Problems of the FEB RAS, who took part in the experiments.

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Authors and Affiliations

  1. Institute of Marine Technology Problems, Far-Eastern Branch of the Russian Academy of Sciences, 690091, Vladivostok, Russia

    B. A. Kasatkin, N. V. Zlobina, S. B. Kasatkin, D. V. Zlobin & G. V. Kosarev

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  1. B. A. Kasatkin
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  2. N. V. Zlobina
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  3. S. B. Kasatkin
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  4. D. V. Zlobin
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  5. G. V. Kosarev
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Correspondence to N. V. Zlobina.

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Kasatkin, B.A., Zlobina, N.V., Kasatkin, S.B. et al. Error Estimation of Direction Finding and Determining Coordinates of Signal Source Using Combined Hydroacoustic Receivers. Gyroscopy Navig. 11, 85–93 (2020). https://doi.org/10.1134/S2075108720010071

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  • DOI: https://doi.org/10.1134/S2075108720010071

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