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Экологический мониторинг подводных акваторий направленными источниками звука

Экологический мониторинг подводных акваторий направленными источниками звука

Abstract

The given papers purpose is analysis of interaction of acoustic fields lightings in multi-ray underwater waveguides with random anisotropic and local inhomogeneities of sound velocity fields (SVF). It is shown that when a receiving system containing of one vertical equidistant antenna array (VEAA) arbitrary chooses an aperture angle value of source it is impossible to determine presence of lenses in underwater waveguides (UW) against changing stochasticity of sound velocity fields (SVF). The possibility in principle to choose such aperture angle value of source system which enables to determine lenses presence in UW with one VEAA is proven in the paper.

Целью работы является анализ взаимодействия акустических полей подсветки в многолучевых подводных волноводах со случайно-анизотропными и локальными неоднородностями поля скорости звука (ПСЗ). Показано, что при произвольном выборе величины углового раскрыва источника приёмной системой, состоящей из одной вертикальной эквидистантной антенной решетки (ВЭАР), невозможно обнаружить наличие линз в подводном волноводе (ПВ) на фоне изменяющейся стохастичности ПСЗ. В работе обоснована принципиальная возможность выбора угла раскрыва излучающей системы, позволяющего определить наличие линз в ПВ одной ВЭАР.

Keywords

СЛУЧАЙНО-НЕОДНОРОДНЫЕ ПОДВОДНЫЕ ВОЛНОВОДЫ, СТОХАСТИЧЕСКОЕ МОДЕЛИРОВАНИЕ, АНТРОПОГЕННЫЕ НАРУШЕНИЯ ПОЛЯ СКОРОСТИ ЗВУКА

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average