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Soient deux signaux sinusoïdaux échantillonnés à la fréquence : Let us defi...

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Soient deux signaux sinusoïdaux échantillonnés à la fréquence :

Let us define two sinusoidal signals sampled at the sampling rate :

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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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