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underwater communications system

См. также в других словарях:

  • 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

  • Underwater acoustic communication — is a technique of sending and receiving message below water. There are several ways of doing such communication but the most common is using hydrophones. Under water communication is difficult due to factors like multi path propagation, time… …   Wikipedia

  • Underwater searches — are procedures carried out by divers in order to find a known or suspected target object or objects in a specified search area under water. There are a number of techniques in general use by Commercial, Scientific, Public service, Military, and… …   Wikipedia

  • Communications in Libya — Contents 1 Television 2 Radio 2.1 Private radio stations 2.2 Government run station 3 Prin …   Wikipedia

  • Communications in Singapore — The telecommunication infrastructure of Singapore spans the entire city state. Its development level is high, with close accessibility to the infrastructure from nearly all inhabited parts of the island and for all of the population, with… …   Wikipedia

  • Military communications — Historically, the first military communications had the form of sending/receiving simple signals (often hidden or encoded to be unrecognizable for the enemy). Respectively, the first distinctive tactics of military communications were called… …   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

  • warning system — ▪ military technology Introduction       in military science, any method used to detect the situation or intention of an enemy so that warning can be given.       Because military tactics from time immemorial have stressed the value of surprise… …   Universalium

  • Submarine communications cable — A cross section of a submarine communications cable. 1 Polyethylene 2 Mylar tape 3 Stranded steel wires 4 Aluminium water barrier 5 Polycarbonate 6 Copper or aluminium tube 7 Petroleum jelly 8 Optical fib …   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

  • 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

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