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Affichage de 3191 à 3200 sur 16175

  • Article dans une revue

Large-area femtosecond laser milling of silicon employing trench analysis

Arun Bhaskar, Justine Philippe, Flavie Braud, Etienne Okada, Vanessa Avramovic, Jean-François Robillard, Cédric Durand, Daniel Gloria, Christophe Gaquière, Emmanuel Dubois

A femtosecond laser is a powerful tool for micromachining of silicon. In this work, large-area laser ablation of crystalline silicon is comprehensively studied using a laser source of pulse width 300 fs at two wavelengths of 343 nm and 1030 nm. We develop a unique approach to gain insight into the…

Optics and Laser Technology, 2021, 138, pp.106866. ⟨10.1016/j.optlastec.2020.106866⟩. ⟨hal-03091197⟩

  • Communication dans un congrès

Event-driven ECG classification using an open-source, LC-ADC based non-uniformly sampled dataset

M. Saeed, Q. Wang, O. Märtens, Benoit Larras, Antoine Frappé, B. Cardiff, D. John

In this article, non-uniformly sampled electrocardiogram (ECG) signals obtained from level-crossing analog-to-digital converters (LC-ADCs) are analyzed for event-driven classification and compression performance. The signal compression results show that it is important to assess the distortion in…

53rd IEEE International Symposium on Circuits and Systems, ISCAS 2021, May 2021, Daegu, South Korea. pp.9401333, ⟨10.1109/ISCAS51556.2021.9401333⟩. ⟨hal-03362265⟩

  • Rapport

Report on the massive MIMO channel measurement campaign

Eric Pierre Simon, Joumana Farah, Pierre Laly, Gauthier Delbarre

This document describes the measurement campaign that was carried out for the article: A New Gradual Resource Allocation Technique for Massive MIMO-NOMA. The campaign took place on the campus of the University of Lille, called Cité Scientifique, in France.

[Research Report] université de lille. 2021. ⟨hal-03343733⟩

  • Communication dans un congrès

Coherent polarization rotation of TeraHertz spintronic emitters with in-plane uni-axial magnetic anisotropy

Geoffrey Lezier, Pierre Koleják, Jean-Francois Lampin, Kamil Postava, Mathias Vanwolleghem, Nicolas Tiercelin

Spintronic TeraHertz emitters using uni-axial anisotropic FeCo/TbCo 2 /FeCo ferromagnetic layers allow the polarization control of the THz emitted wave thanks to the Stoner-Wohlfarth coherent rotation of magnetization when submitted to a magnetic field along hard axis.

CLEO: Applications and Technology, 2021, San Jose, United States. pp.JM3G.2, ⟨10.1364/CLEO_AT.2021.JM3G.2⟩. ⟨hal-03329137⟩

  • Article dans une revue

A comprehensive theoretical evaluation of the end-to-end performance of SoftCast-based linear video delivery schemes

Anthony Trioux, M Gharbi, François-Xavier Coudoux, Patrick Corlay

SoftCast-based linear video delivery (LVD) schemes have been proposed as an alternative to traditional video transmission schemes in wireless error-prone environments. The end-to-end performance of SoftCast-based schemes have been evaluated in Xiong et al. (2016), where a theoretical model based on…

Signal Processing: Image Communication, 2021, 98, pp.116369. ⟨10.1016/j.image.2021.116369⟩. ⟨hal-03335975⟩

  • Communication dans un congrès

Linear combining in dependent α-stable interference

Ce Zheng, Malcolm Egan, Laurent Clavier, Troels Pedersen, Jean-Marie Gorce

Recently, there has been a proliferation of wireless communication technologies in unlicensed bands for the Internet of Things. A key question is whether these networks can coexist given that they have different power levels, symbol periods, and access protocols. The main challenge is to…

ICC 2020 - IEEE International Conference on Communications, Jun 2020, Dublin, Ireland. pp.1-6, ⟨10.1109/ICC40277.2020.9148724⟩. ⟨hal-02460193v2⟩

  • Communication dans un congrès

Concept Extraction Based on Semantic Models Using Big Amount of Patents and Scientific Publications Data

Vasilii Kaliteevskii, Arthur Deder, Nemanja Peric, Leonid Chechurin

Formalisation of heuristic methods for supporting the conceptual design stage of product and technology development has been extensively evolved in industry during the last half of the century and gradually more formally appears in academic context nowadays. Due to the considerable interest from…

Creative Solutions for a Sustainable Development: 21st International TRIZ Future Conference, TFC 202, Sep 2021, Bolzano, Italy. pp.141-149, ⟨10.1007/978-3-030-86614-3_11⟩. ⟨hal-03541023⟩

  • Article dans une revue

Diaryl Sulfide Derivatives as Potential Iron Corrosion Inhibitors: A Computational Study

Morad El-Hendawy, Asmaa Kamel, Mahmoud Mohamed, Rabah Boukherroub, Jacek Ryl, Mohammed Amin

The present work aimed to assess six diaryl sulfide derivatives as potential corrosion inhibitors. These derivatives were compared with dapsone (4,4′-diaminodiphenyl sulfone), a common leprosy antibiotic that has been shown to resist the corrosion of mild steel in acidic media with a corrosion…

Molecules, 2021, 26 (20), pp.6312. ⟨10.3390/molecules26206312⟩. ⟨hal-03457664⟩

  • Article dans une revue

Conceptual polymorphism of entropy into the history: extensions of the second law of thermodynamics towards statistical physics and chemistry during nineteenth–twentieth centuries

Raffaele Pisano, Emilio Marco Pellegrino, Abdelkader Anakkar, Maxime Nagels

After the birth of thermodynamics’ second principle—outlined in Carnot's Réflexions sur la puissance motrice du feu (1824)—several studies provided new arguments in the field. Mainly, they concerned the thermodynamics’ first principle—including energy conceptualisation—, the analytical aspects…

Foundations of Chemistry, 2021, 23 (3), pp.337-378. ⟨10.1007/s10698-021-09401-y⟩. ⟨hal-04507440⟩

  • Article dans une revue

Multi-Channel Generative Framework and Supervised Learning for Anomaly Detection in Surveillance Videos

Tuan-Hung Vu, Jacques Boonaert, Sébastien Ambellouis, Abdelmalik Taleb-Ahmed

Recently, most state-of-the-art anomaly detection methods are based on apparent motion and appearance reconstruction networks and use error estimation between generated and real information as detection features. These approaches achieve promising results by only using normal samples for training…

Sensors, 2021, 21 (9), pp.3179. ⟨10.3390/s21093179⟩. ⟨hal-03236686⟩