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Communication dans un congrès

Wireless communication between wagons at 2.4GHz

Sara Iben Jellal, S. Baranowski, Ulrich Biaou, Michael Bocquet, Atika Rivenq

The work presented in this paper is part of general study concerning the connected wagon. The objective is to ensure communications of data associated to wagon (contents, location The aim of this study is to find the most appropriate technology to design a wireless communication between wagons or…

2nd International Conference on Electrical Sciences and Technologies in Maghreb, CISTEM 2016, Oct 2016, Marrakech, Morocco. pp.8066823, ⟨10.1109/CISTEM.2016.8066823⟩. ⟨hal-03528681⟩

Article dans une revue

3D patterning of silicon by contact etching with anodically biased nanoporous gold electrodes

Encarnación Torralba, Mathieu Halbwax, Taha El Assimi, Marin Fouchier, Vincent Magnin, Joseph Harari, Jean-Pierre Vilcot, Sylvain Le Gall, Raphaël Lachaume, Christine Cachet-Vivier, Stéphane Bastide

A novel strategy to achieve 3D pattern transfer into silicon in a single step without using lithography is presented. Etching is performed electrochemically in HF media by contacting silicon with a positively biased, patterned, metal electrode. Dissolution is localized at the Si/metal contacts and…

Electrochemistry Communications, 2017, 76, pp.79-82. ⟨10.1016/j.elecom.2017.01.014⟩. ⟨hal-01480682⟩

Article dans une revue

Simulation Study of the Localization of a Near-Surface Crack Using an Air-Coupled Ultrasonic Sensor Array

Steven Delrue, Vladislav Aleshin, Mikael Sørensen, Lieven Lathauwer

The importance of Non-Destructive Testing (NDT) to check the integrity of materials in different fields of industry has increased significantly in recent years. Actually, industry demands NDT methods that allow fast (preferably non-contact) detection and localization of early-stage defects with…

Sensors, 2017, 17 (4), pp.930. ⟨10.3390/s17040930⟩. ⟨hal-05479947⟩

Article dans une revue

New adaptive filters as perceptual preprocessing for rate-quality performance optimization of video coding

Eloïse Vidal, Nicolas Sturmel, Christine Guillemot, Patrick Corlay, François-Xavier Coudoux

In this paper, we introduce two perceptual filters as pre-processing techniques to reduce the bitrate of compressed high-definition (HD) video sequences at constant visual quality. The goal of these perceptual filters is to remove spurious noise and insignificant details from the original video…

Signal Processing: Image Communication, 2017, 52, pp.124 - 137. ⟨10.1016/j.image.2016.12.003⟩. ⟨hal-01591984⟩

Communication dans un congrès

Ultra low power analog design and technology for artificial neurons

Francois Danneville, Ilias Sourikopoulos, Sara Hedayat, Christophe Loyez, Virginie Hoel, A. Cappy

In a context of the end of Moore's law, energy dissipation constitutes a real challenge. Among the new energy efficient paradigms for data processing, bio-inspired computing is very promising, moreover introducing cognitive characteristics. As applications at very high scale are addressed, the…

BCTM 2017, IEEE Bipolar/BiCMOS Circuits and Technology Meeting, Oct 2017, Miami, United States. paper 1.1, 1-8, ⟨10.1109/BCTM.2017.8112899⟩. ⟨hal-03270088⟩

Article dans une revue

Luminescence imaging of photoelectron spin precession during drift in a p-type GaAs microfabricated Hall bar

V. Notot, D. Paget, A. Rowe, L. Martinelli, Fabian Cadiz, S. Arscott

Using a microfabricated p-type GaAs Hall bar, it is shown that the combined application of co-planar electric and magnetic fields enables the observation of spatial oscillations of the photoluminescence circular polarization due to the precession of drifting spin-polarized photoelectrons.…

Journal of Applied Physics, 2017, 121 (12), pp.125703. ⟨10.1063/1.4979097⟩. ⟨hal-02345426⟩

Communication dans un congrès

Experimental investigation of the lateral resolution of a homemade near field microwave microscope

Tianjun Lin, S. Gu, T. Lasri

In this paper an experimental investigation of the lateral resolution of a homemade near field microwave microscope (NFMM) is reported. The optimal lateral resolution is studied by a thorough analysis of the influence of critical parameters such as the stand-off distance, the tip apex size and the…

47th European Microwave Conference, EuMC 2017, Oct 2017, Nuremberg, Germany. pp.827-830, ⟨10.23919/EuMC.2017.8230972⟩. ⟨hal-03538365⟩

Article dans une revue

Theoretical and experimental study of a thermal damper based on a CNT/PCM composite structure for transient electronic cooling

Christophe Kinkelin, Stéphane Lips, Ulrich Soupremanien, Vincent Remondière, Jean Dijon, Hélène Le Poche, Emmanuel Ollier, Malek Zegaoui, Nathalie Rolland, Paul-Alain Rolland, Sandrine Lhostis, Brigitte Descouts, Yann Kaplan, Frédéric Lefèvre

The present study focuses on a thermal damper that aims at smoothing the temperature peaks experienced by electronic components during transient solicitations. It consists of a silicon casing containing a densified or undensified carbon nanotube (CNT) array - linking directly both sides of the…

Energy Conversion and Management, 2017, 142, pp.257-271. ⟨10.1016/j.enconman.2017.03.034⟩. ⟨hal-01494833⟩

Communication dans un congrès

Pinces acoustiques à ondes de surface tourbillonnaires pour la manipulation sélective et sans contact de microparticules et cellules

Antoine Riaud, Michael Baudoin, Jean-Louis Thomas, Matar, Olivier Bou

La manipulation de particules, de cellules, de gouttelettes ou de bulles est une opération clefs dans de nombreux domaines tels que la biologie cellulaire, la biologie des micro-organismes, la microfluidique, le génie chimique ou encore les microsystèmes. En particulier, la manipulation sélective d…

CFM 2017 - 23ème Congrès Français de Mécanique, Aug 2017, Lille, France. ⟨hal-03465293⟩

Article dans une revue

Energy Efficient Hardware and Improved Cluster-Tree Topology for Lifetime Prolongation in ZigBee Sensor Networks

Mourad Ouadou, Ouadoudi Zytoune, Yassin El Hillali, Atika Rivenq, Driss Aboutajdine

In wireless sensor networks, building energy-efficient systems is one of the major challenges. In such networks, nodes are usually supplied by low power and small batteries. Many factors are involved in the energy consumption, and this issue may be considered as a cross-layer problem, from the…

Journal of sensor and actuator networks, 2017, 6 (4), pp.22. ⟨10.3390/jsan6040022⟩. ⟨hal-03528721⟩