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Affichage des publications 321 à 330 sur 4032 au total

Computer Science

ML-DOA estimation using a sparse representation of array covariance

Sparse Direction-of-Arrival (DOA) estimators depend on the regularization parameter λ which is often empirically tuned. In this work, conducted under the vectorized covariance matrix model, we are looking for theoretical equivalence between the…

Thomas Aussaguès, Anne Ferréol, Alice Delmer, Pascal Larzabal

9th Junior Conference on Data Science and Engineering (JDSE) -

Electronics

A new closed-loop regulation method dedicated to piezoelectric resonators based isolated DC-DC converter

Magnetic components are widely used in power electronics. Yet, their downscaling with frequency becomes moderate from 100 kHz, which limits the possibility of reducing the volume of the passive components in power converters. Therefore, a major…

Emile Bigot, Ghislain Despesse, Valentin Breton, François Costa

PEMD 2024 - 13th International Conference on Power Electronics, Machines and Drives -

Physics

One-pot radiolytically synthesized reduced graphene oxide-gold nanoparticles composites and exploration in energy storage

Graphene and its composites are of primary importance, particularly in the field of energy storage. Numerous bottom-up and top-down methods have been proposed in the literature to produce these materials with enhanced physicochemical properties…

Liran Hu, Souad Abou Zeid, Alexia Bistintzanos, Sohayb Khaoulani, Diana Dragoe, Rasta Ghasemi, François Muller, Matthieu Gervais, Cyrille Sollogoub, Michel Goldmann, Samy Remita

Applied Surface Science -

Electric power

Adaptation of a solid-state marx modulator for electroactive polymer

Electroactive polymers show promising characteristics, such as lightness, compactness, flexibility, and large displacements, making them a candidate for application in cardiac assist devices [1], robotics and other compact applications. This revives…

Christophe Baron, Guojun Lan, Yiming Wei, Yoan Civet, Yves Perriard, Martino Lobue, Morgan Almanza

EURO EAP 2024 -

History, Philosophy and Sociology of Sciences

Changer de scène ?

En s’éloignant du monde pour le comprendre, la science de la première modernité opère une bascule qui s’inspire de la réorganisation de la scène théâtrale de la Renaissance jusqu’au maniérisme. Théâtres du monde montre comment la science moderne s…

Martino Lobue

En attendant Nadeau -

Engineering Sciences

Un mythe de notre temps

Revisitant de façon critique, à l’aide d’une documentation imposante, l’épopée de la conquête de l’espace, Irénée Régnauld et Arnaud Saint-Martin signent un livre qui deviendra indispensable pour comprendre la genèse de l’un des grands mythes…

Martino Lobue

En attendant Nadeau -

Physics

Une vie quantique

La biographie imaginaire est un genre qui, depuis l’Antiquité, a permis de transcender les frontières entre fiction, essai philosophique et histoire. Alain Le Rille nous en offre un exemple dans le domaine de la physique avec la vie de son Louis d…

Martino Lobue

En attendant Nadeau -