Academic literature on the topic 'Analyse hautes fréquences'
Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles
Consult the lists of relevant articles, books, theses, conference reports, and other scholarly sources on the topic 'Analyse hautes fréquences.'
Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.
You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.
Journal articles on the topic "Analyse hautes fréquences"
Irago, Hipolito, Nabil Kerdid, and Juan M. Viaño. "Analyse asymptotique des modes de hautes fréquences dans les poutres minces." Comptes Rendus de l'Académie des Sciences - Series I - Mathematics 326, no. 10 (May 1998): 1255–60. http://dx.doi.org/10.1016/s0764-4442(98)80238-3.
Full textAmalaman, Marc Auriol, Gil Mahé, Béh Ibrahim Diomande, Armand Zamblé Tra Bi, Nathalie Rouché, Zeineddine Nouaceur, and Benoit Laignel. "Analyse en ondelettes des séries temporelles aux stations de pluies et débits dans le bassin versant de Tortiya amont (Nord de la Côte d'Ivoire)." Proceedings of IAHS 385 (April 19, 2024): 365–70. http://dx.doi.org/10.5194/piahs-385-365-2024.
Full textHautefort, C., F. Rubin, R. Kania, and P. Herman. "Analyse du déficit vestibulaire aux hautes fréquences chez les patients suivis pour une maladie de Menière." Annales françaises d'Oto-rhino-laryngologie et de Pathologie Cervico-faciale 131, no. 4 (October 2014): A77—A78. http://dx.doi.org/10.1016/j.aforl.2014.07.418.
Full textHoang, Cong-Tuan, Iouli Tchiguirinskaia, Daniel Schertzer, and Shaun Lovejoy. "Caractéristiques multifractales et extrêmes de la précipitation à haute résolution, application à la détection du changement climatique." Revue des sciences de l’eau 27, no. 3 (December 15, 2014): 205–16. http://dx.doi.org/10.7202/1027806ar.
Full textOusseini, F., I. Hamidine, B. Abdou, N. Abdou, R. Ali Cheik, and H. Almou. "Place de l'endoscopie digestive haute dans le diagnostic des affections œsogastroduodénales à Niamey." Journal Africain des Cas Cliniques et Revues 8, no. 3 (August 27, 2024): 148–54. http://dx.doi.org/10.70065/24ja83.002l012708.
Full textMorin, Yves Charles. "À propos de la fermeture des voyelles moyennes devant [r] dans le français du Québec." Canadian Journal of Linguistics/Revue canadienne de linguistique 54, no. 3 (November 2009): 461–510. http://dx.doi.org/10.1017/s0008413100004618.
Full textPassilly, Bruno, Benjamin Lamboul, and Jean-Michel Roche. "Indentation haute fréquence : vers le contrôle non-destructif des structures." Matériaux & Techniques 105, no. 1 (2017): 110. http://dx.doi.org/10.1051/mattech/2017026.
Full textKim, Myung-Gwan. "Analyse des caractéristiques des adverbes en « -ment » à haute fréquence sur la base de statistiques lexicales." Études de Langue et Littérature Françaises 132 (December 15, 2022): 207–36. http://dx.doi.org/10.18824/ellf.132.07.
Full textDe Paolis, Bianca Maria, and Cecilia Andorno. "Constructions clivées en Français L1 et L2 (Italien L1). Premiers résultats d’une étude expérimentale." SHS Web of Conferences 138 (2022): 09001. http://dx.doi.org/10.1051/shsconf/202213809001.
Full textErnst, Roland. "Analyse par méthode analytique du comportement d'un générateur à induction à triode haute fréquence pour torche à plasma inductif." Journal de Physique III 6, no. 12 (December 1996): 1733–58. http://dx.doi.org/10.1051/jp3:1996211.
Full textDissertations / Theses on the topic "Analyse hautes fréquences"
Nguyen, Quang Huy. "Analyse hautes fréquences pour les équations des ondes de surface." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLS175.
Full textThis dissertation is devoted to the mathematical analysis of the water waves systems. We focus on the dispersive property and the Cauchy problem for rough initial data. One of the main objects of study is the gravity-capillary water waves system. We establish blow-up criteria and the persistence of Sobolev regularity. By proving Strichartz estimates for rough solutions, we obtain Cauchy theories for non-Lipschitz initial velocity. In another part of the dissertation, we study the dispersive property of the fully nonlinear water waves systems. More specifically, we are interested in Strichartz estimates. We prove for sufficiently smooth solutions that the nonlinear systems obey the same Strichartz estimates as their linearizations do
Ramirez-Garcia, Eloy. "Analyse expérimentale et modélisation du bruit haute fréquence des transistors bipolaires à hétérojonctions SiGe et InGaAs/InP pour les applications très hautes fréquences." Phd thesis, Université Paris Sud - Paris XI, 2011. http://tel.archives-ouvertes.fr/tel-00604071.
Full textRamirez-garcia, Eloy. "Analyse expérimentale et modélisation du bruit haute fréquence des transistors bipolaires à hétérojonctions SiGe et InGaAs/InP pour les applications très hautes fréquences." Thesis, Paris 11, 2011. http://www.theses.fr/2011PA112082/document.
Full textIn order to fulfil the roadmap for the development of telecommunication and information technologies (TIC), low noise level and very fast semiconductor devices are required. Heterojunction bipolar transistor has demonstrated excellent high frequency performances and becomes a candidate to address TIC roadmap. This work deals with experimental analysis and high frequency noise modelling of Si/SiGe:C HBT (STMicroelectronics tech.) and InP/InGaAs HBT (III-V Lab Alcatel-Thales).Chapter I introduces the basic concepts of HBTs operation and the characterization at high-frequency. This chapter summarizes the high frequency performances of many state-of-the-art HBT technologies. The first part of chapter II describes the two HBT sets, with paying attention on the impact of the base composition (SiGe:C) or the lateral reduction of the device (InGaAs) on static and dynamic performances. Based on TCAD modelling, the second part shows that a 15-25% germanium composition profile in the base is able to reach highest dynamic performances. Chapter III summarizes the static and dynamic results at low temperature, giving a separation of the intrinsic transit times and charging times involved into the performance limitation. Chapter IV presents noise measurements and the derivation of high frequency noise analytical models. These models highlight the impact of the current crowding and the self-heating effects, and the influence of the base-emitter heterojunction on the high frequency noise. According to these models the high frequency noise performances are estimated at low temperature for both HBT technologies
Cimatti, Zoé. "Caractérisation des oscillations hautes fréquences en magnétoencéphalographie : application à la crampe de l'écrivain." Paris 6, 2007. http://www.theses.fr/2007PA066317.
Full textTolentino, Marc. "Résolution hautes fréquence d'équations intégrales par une méthode de discrétisation microlocale." Phd thesis, Ecole des Ponts ParisTech, 1997. http://tel.archives-ouvertes.fr/tel-00005622.
Full textLe développement et la mise au point d'un code ont été effectués au CERMICS-INRIA Sophia-Antipolis. La vérification de la validité de notre code s'appuie sur des calculs de surface équivalente radar. Des résultats numériques encourageants sont présentés pour des obstacles convexes et non-connexes.
La méthode est ensuite étendue aux opérateurs pseudo-différentiels et Fourier-intégraux. Ils interviennent dans le cas de milieux hétérogènes et anisotropes.
Razafferson, Richard. "Analyse du rayonnement et des couplages électromagnétiques provoqués par des signaux hautes fréquences interférant avec des câbles d'énergie basse tension." Lille 1, 2002. https://pepite-depot.univ-lille.fr/RESTREINT/Th_Num/2002/50376-2002-173.pdf.
Full textMilon-Harnois, Gaëlle. "Détection automatique et analyse des oscillations à haute fréquence en EEG-HD de surface." Electronic Thesis or Diss., Angers, 2023. http://www.theses.fr/2023ANGE0054.
Full textConditions of a third of epileptics are not improved with current treatments, pushing doctors to consider surgery to remove the brain area generating seizures. High Frequency Oscillations (HFO) are emerging as a biomarker to localize these epileptogenic zones, but their detection is difficult due to their rarity and brevity. In scalp EEG the low amplitude of the signal complicates the task. This thesis aims to automate the detection of HFO in EEG-HD signals recorded at 1 KHz on 256 electrodes in 5 pediatric patients. After visual marking of HFO, classification models between HFO and background noise were explored. Signal processing knowledge has been exploited to extract features from time or frequency domain. The most statistically relevant features were selected and submitted to classic supervised algorithms (Logistic regression, random forest, MLP, gradient boosting). These methods were compared to deep algorithms (CNN, LSTM, Attention) automatically generating signal characteristics in the 1D time domain or those of 2D time-frequency maps. All models show convincing results, with the deep 1D algorithms being more efficient reaching 91% sensitivity and 87% specificity, outperforming previously published surface HFO detectors. Running the best models on the entire signal to automatically detect HFO showed promising results but this part of the work remains to be improved to overcome the HFO rarity in the data. Several lines of research are suggested
Collen, Patrice. "Techniques d'enrichissement de spectre des signaux audionumériques." Phd thesis, Télécom ParisTech, 2002. http://pastel.archives-ouvertes.fr/pastel-00000512.
Full textRoyer, Julien. "Analyse haute fréquence de l'équation de Helmholtz dissipative." Phd thesis, Université de Nantes, 2010. http://tel.archives-ouvertes.fr/tel-00578423.
Full textNovinyo, Kossi Edem. "Analyse de l'efficacité de la ventilation par oscillation haute fréquence (VOHF)." Thesis, Metz, 2010. http://www.theses.fr/2010METZ010S.
Full textHigh Frequency Oscillatory Ventilation (HFOV) consists of insufflation at high frequency of current volumes lower than anatomical dead space, in order to purify carbon dioxide, which are residues of the cellular activities.This work consists in proving the effectiveness of the HFOV. Indeed, treatment of patients using HFOV allows satisfactory care of them, but with empirical adjustments of parameters involved in its use. Moreover, because of, the inhomogeneity of the patients, in one hand, and the impossibility of making clinical tests on people suffering from HMD (Hyaline Membrane Disease) or ARDS (Acute Respiratory Distress Syndrome), etc…, in the other hand, the use of the HFOV become increasingly complex for hospital staff.To analyze these difficulties, we, first, identified the influence of the amplitude of pressure and that of the frequency on the purification of two simple models of analogues. The results of these models prove that these parameters support the increase in alveoli’s volume according to their elasticity. Other results of these models are the basis for the development of future work in a numerical model of HFOV. Then, because of the limitation of the control range of certain parameters of the HFOV's machine, we designed and conducted series of tests with two types of analogues, the first one having rigid closures in the last generation of branches and the second having flexible closures in the same generation of branches. Thus, with this new device, we carried out the analysis of the influence of each one of these factors over the time of purification of the two models according to 12 sets of parameters of the Taguchi’s table L12 (23x31). With the introduction of the elasticity of flexible membranes, we noted not only, the significant reduction in the purification time, but also that the existence of an optimal frequency, function of the length of respiratory airways of the patients (age), which increases this efficiency. According to this study, the forced diffusion remains the principal mechanism, responsible for the efficiency of the HFOV. The analysis of influence of the parameters setting- entry velocity of oxygen, amplitude of pressure, oscillatory frequency and gravity- has been made in this work.Then, we simulated numerically the two experimental models of the tests, in order to confirm the experimental trends of these factors. Indeed, these two models were implemented in the software CFD (Computer Fluid Dynamic) Fluent. The results from these numerical models are agreed with those of the experimental models.Furthermore, we set up a model of Spontaneous Ventilation (SV) by using a more complex analogue with all the 23 generations of branches that has a human lung. Indeed, the movement of the 300 millions and the rib cage were modeled by that of 2,097,152 pistons. The results of this model confirm those of existing work on the SV.The future goal would be to conduct a comparative study between two numerical models, the SV and the HFOV by taking into account of alveolar diffusion mechanism
Books on the topic "Analyse hautes fréquences"
Thomas, Robert. Practical guide to ICP-MS: A tutorial for beginners. 2nd ed. Boca Raton: CRC Press, 2008.
Find full textThomas, Robert. Practical guide to ICP-MS: A tutorial for beginners. 2nd ed. Boca Raton: CRC Press, 2008.
Find full textPractical Guide to ICP-MS: A Tutorial for Beginners, Second Edition (Practical Spectroscopy). 2nd ed. CRC, 2008.
Find full textPractical Guide to ICP-MS: A Tutorial for Beginners, Third Edition. Taylor & Francis Group, 2013.
Find full textBook chapters on the topic "Analyse hautes fréquences"
SAINTEVILLE, Maude. "L’activité boursière et le processus de régionalisation." In La régionalisation du monde, 93–108. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.9158.ch6.
Full textEsperança-Rodier, Emmanuelle. "Analyse de la qualité des traductions automatiques du français vers l’anglais, d’Expressions Poly-Lexicales (EPL) à partir d’un corpus parallèle." In Lexique(s) et genre(s) textuel(s) : approches sur corpus, 311–24. Editions des archives contemporaines, 2020. http://dx.doi.org/10.17184/eac.2926.
Full textWILHELM, L., P. FABRIES, L. BOUDIN, R. DUBOURG, F. ZAGNOLI, F. CANINI, and E. SAGUI. "Impact physiologique du port d’une charge lourde lors d’un effort soutenu." In Médecine et Armées Vol. 45 No.2, 143–52. Editions des archives contemporaines, 2017. http://dx.doi.org/10.17184/eac.7427.
Full textConference papers on the topic "Analyse hautes fréquences"
THYSSEN, Melilotus, Gérald GREGORI, Anthony MALKASSIAN, and Michel DENIS. "Nouvelle méthode de monitoring in situ du phytoplancton : analyse automatisée à haute fréquence et à l'échelle individuelle des cellules." In Conférence Méditerranéenne Côtière et Maritime - Coastal and Maritime Mediterranean Conference. Editions Paralia, 2009. http://dx.doi.org/10.5150/cmcm.2009.075-6.
Full textReports on the topic "Analyse hautes fréquences"
Gruber, Verena, Ingrid Peignier, and Elinora Pentcheva. Analyse des motivations d’achat de camions légers au Québec. CIRANO, February 2023. http://dx.doi.org/10.54932/kzyi1849.
Full textDescarreaux, Martin, Jacques Abboud, Vincent Cantin, Stéphane Sobczak, and Pierre-Yves Therriault. Impact des efforts physiques en milieu de travail sur le développement de la fatigue musculaire, les propriétés tissulaires et la stabilité posturale des travailleurs plus âgés : une étude de faisabilité. IRSST, August 2024. http://dx.doi.org/10.70010/jgup1519.
Full text