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descrierea retelei radio

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Reteaua radio

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Reteaua Radio

Clasa a VII –a A

Prof. Coordonator : *****

Realizat de : **** ****


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Rol:

Difuzarea programelor radio.


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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


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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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