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Academic literature on the topic 'Interaction électromagnétique'
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Journal articles on the topic "Interaction électromagnétique"
-CAREL, Christian. "Interaction du champ électromagnétique avec l'environnement." Revue de l'Electricité et de l'Electronique -, no. 06 (2005): 58. http://dx.doi.org/10.3845/ree.2005.127.
Full textBaribaud, M., and D. Rauly. "Interaction onde électromagnétique/flux de porteurs dans une structure mixte ferrite-semiconducteur." Revue de Physique Appliquée 20, no. 1 (1985): 13–22. http://dx.doi.org/10.1051/rphysap:0198500200101300.
Full textBurais, Noël, Laurent Nicolas, Ronan Perrussel, Riccardo Scorretti, and Nicolas Siauve. "Modélisation des interactions entre les champs électromagnétiques et les tissus biologiques." Revue internationale de génie électrique 8, no. 5-6 (December 30, 2005): 679–701. http://dx.doi.org/10.3166/rige.8.679-701.
Full textDissertations / Theses on the topic "Interaction électromagnétique"
Abed, Issam. "Modélisation et optimisation d'un récupérateur d'énergie vibratoire électromagnétique non-linéaire multimodale." Thesis, Besançon, 2016. http://www.theses.fr/2016BESA2003/document.
Full textIn order to accomplish the promises of vibration energy harvesters (VEHs) as a major alternative to powersensors, their performances in terms of frequency bandwidth and harvested power have to be improved. In thisthesis, unlike classical VEHs either linear and multimodal or nonlinear and mono-frequency, we propose a vibrationenergy harvesting approach based on arrays of coupled levitated or elastically guided magnets combining thebenefits of nonlinearities and modal interactions.A review of VEHs is carried out. Particularly, the design issues of linear harvesters are addressed and frequencytuning techniques are presented. A review of nonlinear methods is also presented in order to define a solving procedureenabling the investigation of the dynamics of nonlinear VEHs. The equations of motion which include themagnetic nonlinearity, the geometric nonlinearity and the electromagnetic damping are solved using the harmonicbalance method coupled with the asymptotic numerical method. A multi-objective optimization procedure isintroduced and performed using a non-dominated sorting genetic algorithm for the cases of small magnet arraysin order to select the optimal solutions in term of performances by bringing the eigenmodes close to each other interms of frequencies and amplitudes. Thanks to the nonlinear coupling and the modal interactions even for onlythree coupled magnets, the proposed method enable harvesting the vibration energy in the operating frequencyrange of 4.6–14.5 Hz, with a bandwidth of 190 % and a normalized power of 20:2mWcm-3g-2
Schott, Pierre. "Interaction d'une onde électromagnétique avec des structures de grande taille par la méthode des rayons gaussiens." Toulouse 3, 2001. http://www.theses.fr/2001TOU30115.
Full textKampé, Mojieyie Hugues. "Contribution au développement de règles de conception pour l'estimation de couplages inductifs dans les circuits intégrés radiofréquences." Caen, 2009. http://www.theses.fr/2009CAEN2011.
Full textIntensive measurement campaign is the commonly used approach in semiconductors industry to derive library models of circuit elements needed in developing complex products. This critical campaign for the assessment of product performances, characterizes circuit elements separately on a narrow low frequency range. In order to account for layout-topology related type of influences and to capture high frequency effects important for wide-band multi-frequency applications, the development of electromagnetic (EM) based methodologies is required. This work proposes a general scalable EM segmentation methodology for the analysis and optimization of inductive couplings at component level as well as system level. An original aspect of the proposal is the ability to capture, as part of the segmentation procedures, EM continuity rules combined to an optimization of the frontiers between the derived sub-domains. The accuracy of the proposed methodology is proved for structures where inductive couplings are an important aspect (8-shaped inductances, transformers …) The validation is obtained in comparison with on-wafer measurements, and results obtained from quasi-static and EM simulations. Guidelines and design rules are investigated. The gain in terms of simulation time and complexity is highlighted. Limitations of existing deembedding techniques are discussed. A graphical user interface is developed for computer aided design in initial-guess analysis of couplings between canonical circuit elements (loops, bondwires, planar inductors) at a floorplan level. This work in combination with direct and systematic optimization techniques allows for the generation of dynamic library models
Ferrari, Arnaud. "Calorimétrie électromagnétique et recherche de neutrinos droits de Majorana dans l'expérience ATLAS." Phd thesis, Université Joseph Fourier (Grenoble), 1999. http://tel.archives-ouvertes.fr/tel-00005400.
Full textBras, Jérôme. "Méthode des éléments finis et décomposition de domaines : Application à l'étude de l'interaction électromagnétique onde-composant." Limoges, 2002. http://www.theses.fr/2002LIMO0064.
Full textThe current utilization of electronic devices in the majority of our systems impose to take into account the parasiting couplings created by electromagnetic (EM) interactions. It is in this point of view which this work was built in order to characterize the interaction between an electromagnetic wave and an active component, which is represented here by a HP07 Field Effect Transistor (FET) of UMS. This study is based on the application of an hybrid method. This method combines a 3D electromagnetic simulation, which employs a Finite Element Method (FEM) in the frequency domain, and a classical circuit one. As the electromagnetic illumination of the FET is a "back door" one, this FET is included in a partially opened metallic cavity : the NATO cylinder. The heterogeneity between the cylinder dimensions and the FET ones and the complexity of the apertures have imposed the implementation of another electromagnetic excitation in the IRCOM software to optimize the decomposition domain method
Dinh, Thanh Vinh. "Modeling and measurement of electromagnetic interactions in packaged circuits and systems." Caen, 2015. http://www.theses.fr/2015CAEN2017.
Full textThe works of this thesis focus on Modeling and Measurement of Electromagnetic Interactions in Packaged Circuits and Systems. To reduce time to market, developing simpler and accurate characterization methodologies has become a challenge for increasingly complex packages. In this context, my thesis in the frame of the European project PARSIMO was begin. Our studies are conducted on the demonstrator "comb-line filter" of the project PARSIMO, and a product of NXP Semiconductors. In the first part, the developed measurement methods, which are a TRL de-embedding method in mixed modes and a method of 4-port measure using 2-port VNA, were evaluated by measurements and EM simulations. The 4-port measurement method has been applied to the characterization of MEMS switches. The second part focuses on the modeling of interconnections found in a package such as bonding wires, two orthogonal crossing lines, the ground plane and the comb-line filters. The models are verified and validated by measurements and EM simulations. In the third part, simulation methodologies are discussed on the study of a complete package with the effect of parallel BWs number, vias, die and package by using both cascade and global approaches. The simulation of a complex system should be separated by several simple simulations using suitable tools. The advantages and limitations of different tools (Momentum, ADS, EMPRO and Sonnet) were compared with measurements. A bridge between different domains such as electronics, mechanical and fabrication can be also established with these works
Sytova, Elizaveta. "Modeling of Iter and Asdex Upgrade detached plasmas using the Solps-Iter code with drifts and currents." Thesis, Aix-Marseille, 2020. http://www.theses.fr/2020AIXM0098.
Full textThe main goals of the present thesis are to:* investigate the differences between retention and leakage mechanisms of nitrogen and neon impurities in the context of the detachment formation;* compare the retention and leakage mechanisms of the nitrogen and neon impurities for the ASDEX Upgrade and ITER.To do this, the SOLPS-ITER code modeling package was further developed and then used. Modeling of ITER and ASDEX Upgrade scenarios with Ne and N impurity seeding was performed. The same ratio of radiated to input power ratio was maintained for all four modeling cases to make further comparisons possible. On the basis of the modeling, the following conclusions are made:* impurity transport from the divertor region upstream is found to be different for the neon and nitrogen impurities in both ITER and ASDEX Upgrade. Nitrogen is found to be better retained in the divertor volume than neon for both devices. * even though the retention and leakage of nitrogen and neon has the same mechanism in ITER and ASDEX Upgrade (nitrogen is better retained), in terms of the radiation distribution point of view thetwo machines behave differently. This difference suggests that neon impurity seeding seem to be an appropriate radiator for the ITER, even though for ASDEX Upgrade it results in an unacceptable radiation pattern
Morange, Nicolas. "Recherche du boson de Higgs en quatre leptons au LHC : étude des événements avec bosons Z et jets b dans l'expérience ATLAS : étude des performances du système de déclenchement du calorimètre électromagnétique pour les hautes énergies transverses." Paris 7, 2012. http://www.theses.fr/2012PA077247.
Full textThe framework of the studies presented in this thesis is the search for the Higgs boson in the 4 leptons channel with the ATLAS experiment. The Higgs boson is a particle whose existence is predicted by the Electroweak theory but has not yet been observed, and its search is one of the main research subjects at the LHC, rince its discovery would complete the Standard Model. First, a study of the electromagnetic calorimeter level-one trigger system is presented. Based on data recorded in 2010, it has helped improve the behaviour of the system for very high energy deposits. It has also provided trigger efficiency uncertainties for the analyses searching for W' and Z' bosons. Then the measurement with 2010 data of the cross-section of b-jets production in association with Z bosons is discussed. This measurement, which is in agreement with Standard Model computations, constrains one of the important backgrounds in the search for the Higgs boson in 4 leptons: namely the production of a Z boson am. B-quark pair. In order to increase the selection efficiency for the Higgs boson decaying into four electrons, an improved electron reconstruction is studied. Its validation is presented for electrons from heavy flavour decays. The search analysis of the Higgs boson in the 4 lepton channel is then described, and several possibilities are studied, to increase the sensitivity of the analysis for low-mass searches
Zidane, Mohamed Amine. "Réalisation d'un dispositif de mesure non invasif de la glycémie." Electronic Thesis or Diss., Université de Lorraine, 2019. http://www.theses.fr/2019LORR0298.
Full textThe main problem of patients with diabetes remains the consequences of the complications resulting from diabetes. More frequent blood glucose control contributes to the balance of diabetes and a significant decrease in its complications. The current devices are less comfortable because of the pain associated with each sting. Some sophisticated blood glucose meters are semi-invasive, and are valid for 14 days. The purpose of my PhD work is to develop a non-invasive blood glucose measurement system based on an electromagnetic method. An original electromagnetic (EM) sensor is proposed, modeled under COMSOL and validated by experimental measurements. This sensor is composed of two Split Ring Resonator (SRR) cells excited by a coplanar line. Our main purpose is to reach sufficient sensitivity to detect different glucose levels with a miniaturized sensor. The sensor is tested on glucose water. Then, it has been optimized and adapted for in-vitro measurements in the blood. In the last part of this study, we identified and quantified the constraints impacting blood glucose measurements. We present the study of two constraints on the measurement of the sensor: Impact of vein dimension and dosimetry. Indeed, the evaluation of these constraints makes it possible to compensate their effects on the measurement for a better precision of the measurement of the glycemia
Foumouo, Emmanuel. "Problème coulombien à trois corps en champ haute fréquence : application à l'étude de l'ionisation double à deux photons de l'hélium." Université catholique de Louvain, 2008. http://edoc.bib.ucl.ac.be:81/ETD-db/collection/available/BelnUcetd-02172008-222015/.
Full textBooks on the topic "Interaction électromagnétique"
V, Peletminskiĭ S., ed. Fields and fundamental interactions. London: Taylor & Francis, 2002.
Find full textCagnac, Bernard, Lydia Tchang-Brillet, and Jean-Claude Pebay-Peyroula. Physique atomique - Tome 1 - 2ème édition - Atomes et rayonnement: Interactions électromagnétiques. DUNOD, 2005.
Find full textElectroweak Processes in External Electromagnetic Fields (Springer Tracts in Modern Physics). Springer, 2003.
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