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LP342 Corrigé Examen du 24 juin 2008 Exercice 1. 1. Vs(?)/ZR ... (t). Page 2. L3 PSVP 07-08. LP342. UPMC. Exercice 3. 1. La TF de x(t)=Rect(t/a) est X(f)=a sinc(af). Les zéros de X(f) sont en fk = k/a. 2. fe=1/?t =10/a, ?f= 
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