Second-Order Blind Source Separation: A New Expression of Instantaneous Separating Matrix for Mixtures of Delayed Sources

Abstract : In this paper, we study the blind separation of mixtures of propagating waves (delayed sources) encountered for example in underwater telephone (UWT) systems. We suggest a new second-order statistics method using as many observations as sources. First, we show that each of the N delayed sources can be developed as a particular linear combination of the different temporal-derivatives of the N observations. Under some assumptions, an instantaneous rectangular separating matrix is then identified by the joint diagonalization of a set of covariance matrices estimated from the observations and its derivatives. The algorithm used takes into account the particular structure of the spectral mixing matrix encountered. A numerical simulation is provided in a 3-sources/3-observations case for propagating audio signals.
Type de document :
Communication dans un congrès
2006 IEEE 7th Workshop on Signal Processing Advances in Wireless Communications , Jul 2006, Cannes, France. 2006 IEEE 7th Workshop on Signal Processing Advances in Wireless Communications pp.1 - 5, 2006, 〈http://spawc2006.eurecom.fr/〉. 〈10.1109/SPAWC.2006.346397〉
Liste complète des métadonnées

Littérature citée [7 références]  Voir  Masquer  Télécharger

https://hal-univ-tln.archives-ouvertes.fr/hal-01427439
Contributeur : Jean Barrere <>
Soumis le : jeudi 5 janvier 2017 - 16:44:37
Dernière modification le : jeudi 18 janvier 2018 - 02:22:46
Document(s) archivé(s) le : jeudi 6 avril 2017 - 14:32:20

Fichier

Chabar_spawc_06_final.pdf
Fichiers produits par l'(les) auteur(s)

Identifiants

Collections

Citation

Gilles Chabriel-, Jean Barrère. Second-Order Blind Source Separation: A New Expression of Instantaneous Separating Matrix for Mixtures of Delayed Sources. 2006 IEEE 7th Workshop on Signal Processing Advances in Wireless Communications , Jul 2006, Cannes, France. 2006 IEEE 7th Workshop on Signal Processing Advances in Wireless Communications pp.1 - 5, 2006, 〈http://spawc2006.eurecom.fr/〉. 〈10.1109/SPAWC.2006.346397〉. 〈hal-01427439〉

Partager

Métriques

Consultations de la notice

77

Téléchargements de fichiers

112