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Soient deux signaux sinusoïdaux échantillonnés à la fréquence :Let us define two sinusoidal signals sampled at the sampling rate :
avec , , et .with , , and .
On calcule l'intercorrélation normalisée :We calculate the normalisze cross-correlation:
. avec/with .
Quelle valeur prend le maximum de correlation ?What is the maximum value of the cross-correlation?
NB : le plus simple est de raisonner sur l'équivalent continu.NB : the simplest method is to reason in the continuous case.
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