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TH`ESE - Library of Ph.D. Theses | EURASIP

TH`ESE - Library of Ph.D. Theses | EURASIP

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72 Chapitre 3. Techniques mono-utilisateurTab. 3.1: Algorithme CPA1. Initialisationω 0 = ω iniJ CPA (0) = 1ǫ CPA{ }R = E R(b)k = 12. Calcul de R k et du critère J CPA (k){}R k = E R(b)ω k−1 ω H k−1R(b)3. Mise à jour de ω kω k =J CPA (k) = ω H k−1 R kω k−1 − 2ω H k−1 Rω k−1 + 1 .(R k + βI) −1Rωk−1 .4. Normalisation de ω kω k = ω k∥ ωk∥ ∥.5. Condition d’arrêt sur la variation du critère(a) Si ∣ ∣ JCPA (k) − J CPA (k − 1) ∣ ∣ > ǫCPA , alors k = k + 1 et retour à l’étape 2(b) Sinon, arrêt.

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