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Soit un signal échantillonné , avec et . On reconstruit le signal analogi...

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Soit un signal échantillonné , avec et . On reconstruit le signal analogique en filtrant avec un filtre passe-bas de fréquence de coupure . On obtient un signal de la forme . Donner la valeur numérique de en Hz.

Let us consider a sampled signal , with and . The analog signal is reconstructed by filtering with a low-pass filter of cutoff frequency . We obtain a signal of the form . Give the numerical value of in Hz.

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