An Arctic-Type Shallow-Water Acoustic Waveguide as an Information Transmission Channel for Underwater Communications


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详细

Model experiments are used to obtain the transfer functions of an Arctic-type shallow-water acoustic waveguide in the spring–summer period, including in the presence of surface waves. The calculations were performed for frequencies from 150 to 1000 Hz using the theory of coupling modes. From the numerical simulation results, the usable frequency range is determined for stable underwater communications suitable for waveguides with both acoustically soft and acoustically hard bottoms. It is demonstrated that for certain distances between the sound source and receiver and their location depths, errorless information transmission can be achieved even without special processing methods. Channel compensation with passive time reversal leads to increased transmission reliability predominantly in a waveguide with an acoustically hard bottom.

作者简介

M. Volkov

Prokhorov General Physics Institute of the Russian Academy of Sciences; Bauman Moscow State Technical University

Email: petniko@kapella.gpi.ru
俄罗斯联邦, Moscow, 119991; Moscow, 105005

V. Grigor’ev

Voronezh State University

Email: petniko@kapella.gpi.ru
俄罗斯联邦, Voronezh, 394018

I. Zhilin

Institute for Information Transmission Problems of the Russian Academy of Sciences (Kharkevich Institute),

Email: petniko@kapella.gpi.ru
俄罗斯联邦, Moscow, 127051

A. Lunkov

Prokhorov General Physics Institute of the Russian Academy of Sciences; Bauman Moscow State Technical University

Email: petniko@kapella.gpi.ru
俄罗斯联邦, Moscow, 119991; Moscow, 105005

V. Petnikov

Prokhorov General Physics Institute of the Russian Academy of Sciences

编辑信件的主要联系方式.
Email: petniko@kapella.gpi.ru
俄罗斯联邦, Moscow, 119991

A. Shatravin

Shirshov Institute of Oceanology, Russian Academy of Sciences

Email: petniko@kapella.gpi.ru
俄罗斯联邦, Moscow, 117997

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