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Reteaua radio

descrierea retelei radio

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Reteaua radio

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  1. Reteaua Radio Clasa a VII –a A Prof. Coordonator : ***** Realizat de : **** ****

  2. Rol: Difuzarea programelor radio.

  3. Parti componente Cai de comunicatii : -unde radio de diferite frecvente si amplitudini (AM si FM) Nodurile : -statiile (transmiterea se face pe o raza de 120 km) Terminalele : -aparatele radio

  4. Stiati ca … • Exista o taxa si pe semnalul de la radio care ne intra in case ,chiar daca nu avem un aparat de radio ? • Radio a fost la origine o metodă de transmitere a sunetelor prin unde radio, care prin natura lor sunt unde electromagnetice ? • Undele radio călătoresc prin aer și pot trece prin cele mai multe corpuri nemetalice inclusiv corpul omenesc ?

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