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sonar communication

См. также в других словарях:

  • Communication sous-marine — Communication avec les sous marins Les communications avec les sous–marins en plongée est techniquement très difficile, elles nécessitent la mise en œuvre de techniques et d équipements spécifiques. Cette extrême difficulté est due à un effet… …   Wikipédia en Français

  • Communication with submarines — is difficult because radio waves do not travel well through thick electrical conductors like salt water. The obvious solution is to surface and raise an antenna above the water, then use ordinary radio transmissions. Early submarines had to… …   Wikipedia

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

  • sonar — /soh nahr/, n. 1. a method for detecting and locating objects submerged in water by echolocation. 2. the apparatus used in sonar. Also called, Brit., asdic. [1940 45; so(und) na(vigation) r(anging)] * * * Technique for detecting and determining… …   Universalium

  • Communication avec les sous-marins — Les communications avec les sous–marins en plongée sont techniquement très difficiles, elles nécessitent la mise en œuvre de techniques et d équipements spécifiques. Cette extrême difficulté est due à un effet incontournable : les ondes… …   Wikipédia en Français

  • Thomson Marconi Sonar — Infobox Defunct Company company name = Thomson Marconi Sonar Ltd. company fate = Renamed Thales Underwater Systems foundation = 1990 defunct = October 2001 location = Weybridge, United Kingdom successor = Thales Underwater SystemsThomson Marconi… …   Wikipedia

  • human sonar hypothesis of auditory hallucinations —    The term human sonar is indebted to the acronym sonar, which stands for SOund NAvigation    Ranging. The term sonar, introduced in 1963 by the Allied Submarine Detection Investigation Committee (ASDIC), denotes the echo sounding technique… …   Dictionary of Hallucinations

  • animal communication — Transmission of information from one animal to another by means of sound, visible sign or behaviour, taste or odour, electrical impulse, touch, or a combination of these. Most animal communication uses sound (e.g., birds calling, crickets… …   Universalium

  • 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

  • November class submarine — Class overview Name: project 627 / 627A / 645 Builders: shipyard No. 402 in …   Wikipedia

  • Sous-marin — Vue d artiste d un sous marin nucléaire d attaque américain de classe Virginia, des années 2000 …   Wikipédia en Français

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