Restitution numérique, réappropriations amérindiennes. Introduction à la seconde partie

Enjeux et propositions sur les architectures RF pour l'homme connecté à la société numérique

This article presents an overview of the challenges of increasing development of wireless links to enable a more consistent and transparent interconnection between people and the digital world. These issues are in the domain of high performance architectures for conventional applications of wireless Internet, but also in the field of sensor networks and connected objects. Beyond the constraints...

Introduction à la théorie des grandes matrices aléatoires

RÉSUMÉ. Cet article est une introduction à la théorie des grandes matrices aléatoires, à destination d’un public non spécialiste. On y énonce et démontre en détail le théorème de MarčenkoPastur qui décrit le spectre asymptotique d’une grande matrice de covariance. On introduit la transformée de Stieltjes et les techniques de calcul associées, ainsi que quelques techniques de calcul gaussien qui...

La littérature au risque du numérique

Among all arts, literature is paradoxically the one that met the computerat an earliest stage, although this meeting has remained confidential for long. Today the marketing of the electronic book has got the dimension of a true cultural revolution which can be compared with the diffusion of printed works in the 16° century, the birth of the novel-serial in the popular press of the 19° century o...

Contribution à l'étude de la maladie athéromateuse

Gestion d'erreurs pour la fiabilisation des retours automatiques en apprentissage de la prosodie d'une langue seconde

The success of future syste ms for computer assisted foreign language learning relies on providing the learner personalized diagnosis and relevant corrections of its pronunciations. After a presentation of the problem of reliable automatic prosodic feedbacks in language learning, we present our work related to the processing of some errors stemming from the learner and from the system itself. T...