Holographic method of under-water noise source localization in shallow water

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Resumo

The results of a high-frequency experiment for the detection and direction estimation of underwater sound noisy source are presented. The experiment was conducted in the shallow waters of the Black Sea coast. The noise emission of the source was received by three vector-scalar receivers located on the bottom. By using holographic processing, the detection and direction estimation of a moving underwater source against the background of intense shipping in the experiment region were carried out. Estimates of the input signal-to-noise ratio are presented.

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Sobre autores

M. Glushchenko

Joint-stock company "Concern "Granit"

Autor responsável pela correspondência
Email: glushchenko.m@granit-concern.ru
Rússia, Gogolevsky Blvd. 31, Moscow, 119019

V. Kuzkin

Joint-stock company "Concern "Granit"; Institute of General Physics RAS

Email: kumiov@yandex.ru
Rússia, Gogolevsky Blvd. 31, Moscow, 119019; st. Vavilova 38, Moscow, 119991

Yu. Matvienko

Joint-stock company "Concern "Granit"; Institute for Problems of Marine Technologies SB RAS

Email: ymat@marine.febras.ru
Rússia, Gogolevsky Blvd. 31, Moscow, 119019; st. Sukhanova 5a, Vladivostok, 690091

S. Pereselkov

Joint-stock company "Concern "Granit"; Voronezh State University

Email: pereselkov@yandex.ru
Rússia, Gogolevsky Blvd. 31, Moscow, 119019; Universitetskaya sq. 1, Voronezh, 394006

Yu. Khvorostov

Joint-stock company "Concern "Granit"; Institute for Problems of Marine Technologies SB RAS

Email: glushchenko.m@granit-concern.ru
Rússia, Gogolevsky Blvd. 31, Moscow, 119019; st. Sukhanova 5a, Vladivostok, 690091

S. Tkachenko

Voronezh State University

Email: glushchenko.m@granit-concern.ru
Rússia, Universitetskaya sq. 1, Voronezh, 394006

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2. Fig. 1. Scheme of the AUV movement (dashed line) relative to the location of the VSP, C – starting point, F – finishing point.

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3. Fig. 2. Normalized (a) — interferogram, (b) — hologram module, (c) — detection function.

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4. Fig. 3. Normalized (a) — interferogram, (b) — hologram module, (c) — detection function.

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5. Fig. 4. Normalized (a) — interferogram, (b) — hologram module, (c) — detection function.

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6. Fig. 5. Normalized (a) — interferogram, (b) — hologram module, (c) — detection function.

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7. Fig. 6. Normalized (a) — interferogram, (b) — hologram module, (c) — detection function.

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8. Fig. 7. Normalized (a) — interferogram, (b) — hologram module, (c) — detection function.

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9. Fig. 8. Normalized (a, g) — interferograms, (b, d) — hologram modules, (c, e) — detection functions: (a, b, c) — before clearing from interference, (g, d, e) — after clearing from interference. Time 14:19. Approaching AUV1. Direct tack.

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10. Fig. 9. Time dependence of the normalized detection function G (t): (a) — VSP1, (b) — VSP2, (c) — VSP3.

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11. Fig. 10. Time dependence of bearing (t): (a) — VSP1, (b) — VSP2, (c) — VSP3.

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