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underwater sound communications

См. также в других словарях:

  • Underwater acoustics — The field of underwater acoustics is closely related to a number of other fields of acoustic study, including sonar, transduction, acoustic signal processing, acoustical oceanography, bioacoustics, and physical acoustics.HistoryUnderwater sound… …   Wikipedia

  • Diver communications — are the methods used by divers to communicate with each other or with surface members of the dive team. There are several distinct forms of diver communications: Voice communications Most professional diving equipment such as full face diving… …   Wikipedia

  • Alaska Communications System (ACS) — The Alaska Communications System (ACS), also known as the Washington Alaska Military Cable and Telegraph System (WAMCATS), was a system of cables and telegraph lines authorized by the U.S. Congress in 1900 and constructed by the U.S. Army Signal… …   Wikipedia

  • Battle of Drøbak Sound — Infobox Military Conflict conflict=Battle of Drøbak Sound caption= Blücher sinking in the Oslofjord. partof=the Norwegian Campaign of World War II date=9 April 1940 place=Drøbak Sound, Norway result=Decisive Norwegian victory combatant1=Norway… …   Wikipedia

  • Sonar — This article is about underwater sound propagation. For atmospheric sounding, see SODAR. For other uses, see Sonar (disambiguation) …   Wikipedia

  • Anti-frogman techniques — are security methods developed to protect watercraft, ports and installations, and other sensitive resources both in or nearby vulnerable waterways from potential threats or intrusions by frogmen or other divers.Risks and threats to be defended… …   Wikipedia

  • Joint Electronics Type Designation System — The Joint Electronics Type Designation System (JETDS), which was previously known as the Joint Army Navy Nomenclature System (AN System) and the Joint Communications Electronics Nomenclature System, is a method developed by the U.S. War… …   Wikipedia

  • JETDS — Das Joint Electronics Type Designation System (JETDS) (deutsch etwa gemeinsames Elektronik Klassiffizierungssystem), früher bekannt als Joint Army Navy Nomenclature System (AN System) und Joint Communications Electronics Nomenclature System, ist… …   Deutsch Wikipedia

  • Joint Electronics Type Designation System — Das Joint Electronics Type Designation System (JETDS) (deutsch etwa gemeinsames Elektronik Klassifizierungssystem), früher bekannt als Joint Army Navy Nomenclature System (AN System) und Joint Communications Electronics Nomenclature System, ist… …   Deutsch Wikipedia

  • Joint Electronics Type Designation System — Объединенная система обозначения типов электроники (англ. Joint Electronics Type Designation System, JETDS, ранее также известная как Joint Army Navy Nomenclature System, AN System; Joint Communications Electronics Nomenclature System)  …   Википедия

  • United States Naval Research Laboratory — Naval Research Laboratory Emblem of the NRL Active 1923 present Country …   Wikipedia

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