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Expanding the Range of Frequencies in Determining the Direction of Sources of Sound Using Randomly Non-Equidistant Antenna Arrays

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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

The possibility is demonstrated of considerably expanding the range of working frequencies of a linear hydroacoustic antenna array by positioning the receiving elements non-equidistantly. The characteristics of an antenna array modeled with allowance for practical limitations are discussed. The results from processing experimental data are presented that show the effectiveness of the proposed technique.

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Notes

  1. This approach allows us to determine the width of the main lobe of the antenna pattern (AP) with good accuracy, regardless of the specific arrangement of the elements.

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Funding

This work was performed as part of the State Task “Developing the Physical Basis of a New Generation of Acoustic Systems,” project no. 0035-2014-0010. It was supported by the program of the Presidium of the Russian Academy of Sciences “Photonic Technologies in the Sounding of Heterogeneous Media and Bioobjects,” project no. 5.

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Authors and Affiliations

  1. Institute of Applied Physics, Russian Academy of Sciences, 603950, Nizhny Novgorod, Russia

    V. I. Turchin, A. A. Rodionov & A. S. Ivanenkov

Authors
  1. V. I. Turchin
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  2. A. A. Rodionov
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  3. A. S. Ivanenkov
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Corresponding author

Correspondence to A. A. Rodionov.

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Translated by O. Pismenov

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Turchin, V.I., Rodionov, A.A. & Ivanenkov, A.S. Expanding the Range of Frequencies in Determining the Direction of Sources of Sound Using Randomly Non-Equidistant Antenna Arrays. Bull. Russ. Acad. Sci. Phys. 84, 683–686 (2020). https://doi.org/10.3103/S1062873820060271

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  • DOI: https://doi.org/10.3103/S1062873820060271

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