EXPERIMENTAL TESTING OF THE METHOD OF ACOUSTIC THERMOMETRY ON A LONG TRACK IN THE SEA OF JAPAN

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The methodological and technical possibilities of monitoring temperature fields on a thousand-kilometer track in the Sea of Japan using acoustic thermometry methods are presented. The proposed tomographic method for monitoring the dynamics and structure of water is based on the emission and reception of complex phase-shift keyed signals on a diagnosed path with the determination of the propagation time along various ray trajectories, followed by the calculation of the speed of sound and temperature. The physical prerequisites for the practical implementation of thermometric studies at large distances are based on the effect of an acoustic “mudslide” – the phenomenon of the transition of acoustic energy from the near-bottom shelf area to the underwater sound channel of the deep ocean. In the example of the Sea of Japan, a high-precision acoustic thermometry system based on tomographic schemes with mobile and stationary hydroacoustic emitters and receiving systems was proposed and experimentally tested.

作者简介

G. Dolgikh

V.I. Il’ichev Pacific Oceanological Institute, Far Eastern Branch, Russian Academy of Sciences

Email: golov_alexander@inbox.ru
Russian Federation, Vladivostok

Yu. Morgunov

V.I. Il’ichev Pacific Oceanological Institute, Far Eastern Branch, Russian Academy of Sciences

Email: golov_alexander@inbox.ru
Russian Federation, Vladivostok

V. Bezotvetnykh

V.I. Il’ichev Pacific Oceanological Institute, Far Eastern Branch, Russian Academy of Sciences

Email: golov_alexander@inbox.ru
Russian Federation, Vladivostok

A. Burenin

V.I. Il’ichev Pacific Oceanological Institute, Far Eastern Branch, Russian Academy of Sciences

Email: golov_alexander@inbox.ru
Russian Federation, Vladivostok

A. Golov

V.I. Il’ichev Pacific Oceanological Institute, Far Eastern Branch, Russian Academy of Sciences

编辑信件的主要联系方式.
Email: golov_alexander@inbox.ru
Russian Federation, Vladivostok

E. Voitenko

V.I. Il’ichev Pacific Oceanological Institute, Far Eastern Branch, Russian Academy of Sciences

Email: golov_alexander@inbox.ru
Russian Federation, Vladivostok

V. Razzhivin

V.I. Il’ichev Pacific Oceanological Institute, Far Eastern Branch, Russian Academy of Sciences

Email: golov_alexander@inbox.ru
Russian Federation, Vladivostok

A. Tagiltsev

V.I. Il’ichev Pacific Oceanological Institute, Far Eastern Branch, Russian Academy of Sciences

Email: golov_alexander@inbox.ru
Russian Federation, Vladivostok

参考

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  7. Безответных В.В., Буренин А.В., Голов А.А., Моргунов Ю.М., Лебедев М.С., Петров П.С. Экспериментальные исследования импульсной характеристики волновода Японского моря с использованием псевдослучайных последовательностей в навигации подводных объектов // Акустический журнал. 2021. Т. 67. № 3. С. 291. С. 297.

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版权所有 © Г.И. Долгих, Ю.Н. Моргунов, В.В. Безответных, А.В. Буренин, А.А. Голов, Е.А. Войтенко, В.В. Разживин, А.А. Тагильцев, 2023