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ÉCHANTILLONNAGE (intro)-l'échantillonnage c'est _________ le signal -dans le cadre, d'un signal temporaire, on découpe ce dernier en laps de temps, cad tous les intervalles de temps on mesure le signal -la __________ de intervalles doit être adaptée à la __________ d'évolution du phénomène physique pour pouvoir le restituer sans perte d'informations -la théorie de l'info et le théorème de Shannon= détermine la fréquence d'échantillonnage _________ pour ne pas perdre d'informations

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