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laser communications satellite system

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  • Satellite militaire — Applications des satellites Cet article décrit les diverses applications des satellites. Sommaire 1 Qu est ce qu un satellite artificiel ? 2 Les différents types de satellites artificiels 2.1 Satellite scientifique …   Wikipédia en Français

  • Communications in Iran — Zohreh redirects here. For the city in Khuzestan, see Zahreh. Iran is among the first five countries which have had a growth rate of over 20% and the highest level of development in telecommunication.[1][2] Iran has been awarded the UNE …   Wikipedia

  • Laser beam profiler — A laser beam profiler captures, displays, and records the spatial intensity profile of a laser beam at a particular plane transverse to the beam propagation path. Since there are many types of lasers ultraviolet, visible, infrared, continuous… …   Wikipedia

  • Mobile User Objective System — The Mobile User Objective System is an array of geosynchronous[1] satellites being developed for the United States Department of Defense (DoD) to provide global satellite communications (SATCOM) narrowband (64 kbit/s and below) connectivity for… …   Wikipedia

  • Communications optiques en espace libre — Laser optique 8 faisceaux en espace libre, assurant un lien de débit 1Gbits/s à une distance approximative de 2km. Le récepteur est constitué du large disque central, l émetteur des 8 petits disques latéraux. En haut à droite, un objectif… …   Wikipédia en Français

  • Laser applications — There are many scientific, military, medical and commercial laser applications which have been developed since the invention of the laser in the 1958. The coherency, high monochromaticity, and ability to reach extremely high powers are all… …   Wikipedia

  • Laser Interferometer Space Antenna — For other uses of this acronym, see LISA (disambiguation). Laser Interferometer Space Antenna Artist s conception of LISA spacecraft Operator ESA, NASA Satellite of Sun The Laser Interfe …   Wikipedia

  • 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

  • Anti-satellite weapon — Anti satellite weapons (ASATs) are space weapons designed to destroy satellites for strategic military purposes. Currently, only the USA, the former USSR and the People s Republic of China are known to have developed these weapons,with India… …   Wikipedia

  • Transformational Satellite Communications System — The Transformational Satellite Communications System (TSAT) program is a United States Department of Defense (DOD) program sponsored by the U.S. Air Force for a secure, high capacity global communications network serving the DOD, NASA and the U.S …   Wikipedia

  • Global Positioning System — GPS redirects here. For other uses, see GPS (disambiguation). Geodesy Fundamentals …   Wikipedia

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