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  • Optische Kommunikation — ist die Übertragung von Daten mit Hilfe von Licht. Das Frequenzspektrum reicht vom sichtbaren Licht bis in das nahe und mittlere Infrarot. Terrestrisch werden die Daten in Glasfaserkabeln übertragen. Ein eher neuer Bereich der optischen… …   Deutsch Wikipedia

  • Satellite TV — ▪ 1997 by Robert Stoffels       By the end of 1996, several thousand artificial satellites were circling the Earth. About 1,000 of them were in a geosynchronous orbit that is, they were located over the Equator at an altitude of 35,900 km (22,300 …   Universalium

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  • History of the Internet — Main article: Internet The history of the Internet starts in the 1950s and 1960s with the development of computers. This began with point to point communication between mainframe computers and terminals, expanded to point to point connections… …   Wikipedia

  • Spread spectrum — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

  • MIL-STD-188 — is a series of U.S. military standards relating to telecommunications. PurposeFaced with “past technical deficiencies in telecommunications systems and equipment and software…that were traced to basic inadequacies in the application of… …   Wikipedia

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