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etalement spectre v4

etalement spectre v4

etalement spectre v4

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I-3c ÉvanouissementsEvanouissements(basés sur chemins multiples)Fading non sélectif (plat)W < BcTs > ∆tDiversité de fréquenceEtalement en fréquenceFading sélectifW>BcTs < ∆tEgalisation∆t : étalement temporel (delay spread)Bc : bande de cohérenceCITI - Dept Télécoms 20

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