.. Estimation-de-la-matrice-spectrale, 52 3.2.1.1 La moyenne en distance (lissage spatial) 52 3.2.1.2 La moyenne en fréquence (lissage fréquentiel), Utilisation conjointe d'une moyenne en distance et en fréquence 55 3.2.1.4 La moyenne de dispositifs . . . . . . . . . . . . . . . . . . . 55

.. Estimation-du-sous-espace-signal, 55 3.2.2.1 Décomposition de la matrice spectrale large-bande multicomposante, p.55

.. Intérêts-de-l-'analyse-de-polarisation, 104 5.1.3 Comment faire l'analyse de polarisation ?, p.106

.. Applications-sur-des-données-sismiques-simulées-et-réelles, 114 5.3.1 Comparaison de la méthode proposée avec la méthode de Flinn . . . 115 5.3.1.1 Estimation du déphasage, p.115

.. Méthodè-a-haute-résolution, 123 6.1.2 MUSIC Actif Large-bande (MUSICAL), Long-Vecteur-MUSIC (LV-MUSIC) : cas des données multicomposantes127

D. Nombre-de-sources, 132 6.3.3 ´ Etude du pouvoir de résolution, p.137

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