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  • ...te]] stationed in space for the purposes of [[telecommunications]]. Modern communications satellites use [[geostationary orbit]]s, [[Molniya orbit]]s or low [[Polar ...communication cables]]. They are also used for mobile applications such as communications to ships and planes, for which application of other technologies, such as c
    18 kB (2 695 palavras) - 11h10min de 11 de maio de 2007

Resultados nos textos das páginas

  • *[[Satellite Communications - Inglês]] - [[Comunicações por Satelite - Tradução Português]] *[[TV - Satellite - Inglês]] - [[TV - Satelite - Tradução Português]]
    2 kB (376 palavras) - 17h39min de 26 de março de 2012
  • Satellite communication is essential throughout the most varied applications. Notably LEO orbit is widely used for point-to-point communications due to its reduced altitude,
    3 kB (499 palavras) - 08h17min de 27 de agosto de 2018
  • *[http://www.cybergeography.org/atlas/cables.html Cable and Satellite Maps of all types, Worldwide] ...tlantic-cable.com/Article/Easton/ History of the Atlantic Cable & Undersea Communications] [http://www.atlantic-cable.com/CableStories/Parrish/index.htm] []
    3 kB (434 palavras) - 20h02min de 27 de agosto de 2008
  • ...ncies compatible with terrestrial TV tuners down on the coax (much like on satellite dishes where the signals are converted down to frequencies more compatible ...or prohibitively expensive (such as satellite internet). In Canada, [[Look Communications]] offers digital television and wireless bi-directional high speed internet
    4 kB (558 palavras) - 11h12min de 11 de maio de 2007
  • ...te]] stationed in space for the purposes of [[telecommunications]]. Modern communications satellites use [[geostationary orbit]]s, [[Molniya orbit]]s or low [[Polar ...communication cables]]. They are also used for mobile applications such as communications to ships and planes, for which application of other technologies, such as c
    18 kB (2 695 palavras) - 11h10min de 11 de maio de 2007
  • ...- Natasha Gadkari - Development of a Nanosatellite software defined radio communications system] ...014.pdf?sequence=1 Lefcke - Distributed Ground Station Network For CubeSat Communications]
    9 kB (1 244 palavras) - 18h12min de 23 de novembro de 2016
  • ...restrial television]] and [[cable television]]. In many areas of the world satellite television services supplement older terrestrial signals, providing a wider ...roadcast Satellite]], was launched in 1974. The first Soviet geostationary satellite to carry [[Direct-To-Home]] television, called [[Ekran]], was launched in 1
    28 kB (4 211 palavras) - 11h35min de 11 de maio de 2007
  • ...ão digital em banda passante]] [http://www.mathworks.com/examples/simulink-communications/2826-passband-modulation] ...nel|Multipath Fading Channel]] [http://www.mathworks.com/examples/simulink-communications/2800-multipath-fading-channel]
    8 kB (1 169 palavras) - 14h32min de 9 de setembro de 2016
  • ...ss cable" or [[MMDS|microwave]]-based systems are used, "direct-to-home" [[satellite television]] is far more popular, especially in [[South Africa]]. ...channel for premium TV in the metropolitan areas, but in the rural areas [[satellite television]] is used more frequently because of the limited availability of
    19 kB (2 846 palavras) - 11h27min de 11 de maio de 2007
  • ...ation store on a transponder's microchip or to prevent the interception of communications between the tag and reader. ...microwave systems) have a longer read range than those that use near field communications (typically low- and high-frequency systems).
    57 kB (9 293 palavras) - 18h16min de 28 de março de 2007