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soit un signal continu x ( t ) = cos ( 2 π × F s × t ) {"version":"1.1","math...
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soit un signal continu
x(t)=cos(2π×Fs×t){"version":"1.1","math":"x(t) = \cos{(2\pi\times F_s\times t)}"}
avec Fs = 20 Hz.
un signal x(t) est échantillonné à la fréquence d'échantillonnage Fe. Alors :
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