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Méthodes de séparation aveugle de sources non linéaires, étude du modèle quadratique 2*2

Abstract : This thesis presents blind source separation (BSS) methods for a particular model of mixture, the quadratic one. The first part presents the separating structure (basic and extended versions).The equilibrium points of the structure and their local stability are then studied. We propose two methods of BSS. The first method uses the cumulants and the second is based on a maximum likelihood approach. We validate our results by numerical tests.
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https://tel.archives-ouvertes.fr/tel-00683204
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Submitted on : Wednesday, March 28, 2012 - 10:18:07 AM
Last modification on : Thursday, October 15, 2020 - 4:06:49 AM
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Chahinez Chaouchi. Méthodes de séparation aveugle de sources non linéaires, étude du modèle quadratique 2*2. Traitement du signal et de l'image [eess.SP]. Université Paul Sabatier - Toulouse III, 2011. Français. ⟨tel-00683204⟩

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