Publicaciones

Affichage de 3181 à 3190 sur 16058

COUV

An Ultra-low-Power Integrated Heartbeat Detector for Wearable Sensors

Antoine Gautier, Marine Dael, Robin Benarrouch, Benoit Larras, Antoine Frappé

To optimize energy consumption in wearable sensor networks, an efficient scheme is to set the sensors in sleep mode and wake them up to engage communication. However, synchronicity between the sensors needs to be assured by always-on local oscillators. This work proposes a different topology that...

Body Area Networks. Smart IoT and Big Data for Intelligent Health, 330, Springer International Publishing, pp.199-211, 2020, Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, ISBN 978-3-030-64990-6 ; eISBN 978-3-030-64991-3. ⟨10.1007/978-3-030-64991-3_14⟩. ⟨hal-03377030⟩

THESE

Filtres acousto-optiques accordables à sélection de polarisation pour l'imagerie hyperspectrale, Acousto-optic tunable filter with polarization selection for hyperspectral imaging

Justine Champagne

L’imagerie hyperspectrale et de polarimétrie est un domaine en plein essor qui présente de nombreuses applications. Ce contexte pousse à améliorer sans cesse les filtres, notamment en termes de résolution spectrale. Il est utile par exemple d’augmenter le nombre de bandes spectrales et leurs..., Hyperspectral and polarimetric imaging shows numerous applications and is rapidly developing. This context encourages continuous improvement of filters, particularly for the spectral resolution. For instance, it can be useful to increase the number of spectral bands and reduce the spectral...

Optique / photonique. Université Polytechnique Hauts-de-France, 2020. Français. ⟨NNT : 2020UPHF0033⟩. ⟨tel-03229217⟩

ART

Electrochemical, theoretical and surface physicochemical studies of the alkaline copper corrosion inhibition by newly synthesized molecular complexes of benzenediamine and tetraamine with π acceptor

Mohamed M. Ibrahim, Gaber A. M. Mersal, Ahmed M. Fallatah, Murat Saracoglu, Fatma Kandemirli, Sarah Alharthi, Sabine Szunerits, Rabah Boukherroub, Jacek Ryl, Mohammed A. Amin

Two charge transfer complexes, namely [(BDAH)(+)(PA(-))] CT1 [(BTAH)(2+) (PA(-))(2)] and CT2 (BDAH = 1,2-benzenediamine, BTAH = 1,2,4,5-benzenetetramine, and PA(-) = 2,4,6-trinitrophenolate), were synthesized and fully characterized using various spectroscopic techniques. CT1 and CT2 were tested as...

Journal of Molecular Liquids, 2020, 320, 114386, 17 p. ⟨10.1016/j.molliq.2020.114386⟩. ⟨hal-03321522⟩

THESE

Surface plasmon resonance based biosensor applied to phytosanitary domain, Utilisation de la résonance plasmonique de surface pour la réalisation de capteurs appliqués au domaine phytosanitaire

Sivaramakrishnan Ganesan

The overall goal of this study was to develop a portable biological detection system with high sensitivity, accuracy and repeatability to be used in either the phytosanitary or the medical domain. This system is based on the Surface Plasmon Resonance (SPR) physical principle. Such a use of this..., Mon travail de thèse s'inscrivait dans celui, plus général, de développement d'un système de détection biologique portable affichant sensibilité, précision et répétabilité et dont le champ d'applications visait les domaines médicaux et phytosanitaires. Ce système est basé sur le...

Micro and nanotechnologies/Microelectronics. Université de Lille, 2020. English. ⟨NNT : 2020LILUI059⟩. ⟨tel-03622687⟩

COMM

Ensemble extreme learning machine based equalizers for OFDM systems

Michel Saideh, Eric Pierre Simon, Joumana Farah, Jonathan Villain, Anthony Fleury, Virginie Deniau, Christophe Gransart

Extreme Learning Machine (ELM) technology has started gaining interest in the channel estimation and equalization aspects of wireless communications systems. This is due to its fast training and global optimization capabilities that might allow the ELM-based receivers to be deployed in an online...

2020 14th International Conference on Signal Processing and Communication Systems (ICSPCS), Dec 2020, Adelaide (en ligne), Australia. pp.1-6, ⟨10.1109/icspcs50536.2020.9310047⟩. ⟨hal-03213651⟩

COMM

On the Sum Rate of MCM-Based NOMA and MCM-Based OMA Systems

Yamen Alsaba, Michel Saideh, Iyad Dayoub, Marion Berbineau

In this paper, we report on the performance of different Multi-Carrier Modulation (MCM) techniques combined with both Non-Orthogonal Multiple Access (NOMA) and the conventional Orthogonal Multiple Access (OMA) systems. MCM-NOMA and MCM-OMA systems are analyzed in terms of efficient sum rate in...

2020 14th International Conference on Signal Processing and Communication Systems (ICSPCS), Dec 2020, Adelaide, Australia. pp.1-5, ⟨10.1109/ICSPCS50536.2020.9310001⟩. ⟨hal-03382843⟩

THESE

Hybrid perovskite materials : characterization of their electrical properties and stability at the nanoscale, Matériaux pérovskites hybrides : caractérisation des propriétés électroniques et stabilité à l’échelle nanométrique

Jaume Llàcer Martínez

Global warming is one of the main concerns in our society nowadays, year after year the impact and consequences are becoming more visible. The Paris agreement set a target to limit the CO2 emission, which is mainly caused from the increasing demand for energy based on fossil fuels. Since then, the..., Le réchauffement climatique constitue aujourd'hui une des principales préoccupations de notre société. Année après année, son impact et ses conséquences sont de plus en plus visibles. L'accord de Paris a fixé pour objectif de limiter les émissions de CO2, principalement issues de la...

Micro and nanotechnologies/Microelectronics. Université de Lille; Université de Mons (Belgique), 2020. English. ⟨NNT : 2020LILUI062⟩. ⟨tel-03622471⟩

THESE

Statistical mechanics and thermodynamics of systems with conformational transitions : applications to biological macromolecules, Mécanique statistique et thermodynamique des systèmes avec transitions conformationnelles : applications aux macromolécules biologiques

Manon Benedito

The thermo-elastic behaviour of biological macromolecules, such as DNA and proteins, is addressed in a wide field of studies, with plenty of theoretical and practical applications. Mathematical modelling of the macromolecules’ response to deformation and to thermal fluctuations allows the..., Le comportement thermoélastique des macromolécules biologiques, telles que l’ADN et les protéines, est abordé dans un vaste champ d'études, aux nombreuses applications théoriques et pratiques. La modélisation mathématique de la réponse des macromolécules à la déformation et aux fluctuations...

Other. Centrale Lille Institut, 2020. English. ⟨NNT : 2020CLIL0015⟩. ⟨tel-03189126⟩

COMM

Pedestrian detection and classification for autonomous train

Ankur Mahtani, Wael Ben Messaoud, Abdelmalik Taleb-Ahmed, Smail Niar, Clément Strauss

In this paper, we present a combined approach for human localization and classification in Autonomous Train application. Our contribution is threefold. (a) The creation of a new dataset for workers wearing orange vests in a railway environment context. (b) A deep learning supervised YOLO object...

IEEE 4th International Conference on Image Processing, Applications and Systems, IPAS 2020, Dec 2020, Genova, Italy. pp.52-57, ⟨10.1109/IPAS50080.2020.9334938⟩. ⟨hal-03138789⟩

THESE

Impulsive and dependent interference in IoT networks, Interférence impulsive et dépendante dans les réseaux IoT

Ce Zheng

The number of devices in wireless Internet of Things (IoT) networks is now rapidly increasing and is expected to continue growing in the coming years. To support this massive connectivity, a number of new technologies, collectively known as Low Power Wide Area Network (LPWAN), have been developed...., Le nombre de dispositifs dans l’Internet des objets (IoT) communiquant sans fil est en rapide augmentation et devrait continuer à croître dans les années à venir. Pour soutenir cette connectivité massive, un certain nombre de nouvelles technologies, collectivement connu sous le nom de Low Power...

Micro and nanotechnologies/Microelectronics. Université de Lille, 2020. English. ⟨NNT : 2020LILUI064⟩. ⟨tel-03621892⟩