Auswahl der wissenschaftlichen Literatur zum Thema „Analyse de l'estimabilité des paramètres“
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Zeitschriftenartikel zum Thema "Analyse de l'estimabilité des paramètres"
Croisier, J. L., und J. M. Crielaard. „Exploration isocinétique: analyse des paramètres chiffrés“. Annales de Réadaptation et de Médecine Physique 42, Nr. 9 (Dezember 1999): 538–45. http://dx.doi.org/10.1016/s0168-6054(00)88381-6.
Der volle Inhalt der QuelleDagum, Camilo, Françoise Guibbaud-Seyte und Michel Terraza. „Analyse interrégionale des distributions des salaires français“. Économie appliquée 48, Nr. 3 (1995): 103–33. http://dx.doi.org/10.3406/ecoap.1995.1572.
Der volle Inhalt der QuelleRobert, C., O. Banton, P. Lafrance und J. P. Villeneuve. „Analyse de sensibilité paramétrique d'un modèle simulant le transport de pesticide dans le sol“. Revue des sciences de l'eau 5, Nr. 2 (12.04.2005): 197–210. http://dx.doi.org/10.7202/705128ar.
Der volle Inhalt der QuelleGross, Gaston, und Adeline Nazarenko. „Quand la langue cause : paramètres d'une analyse linguistique“. Intellectica. Revue de l'Association pour la Recherche Cognitive 38, Nr. 1 (2004): 15–41. http://dx.doi.org/10.3406/intel.2004.1707.
Der volle Inhalt der QuelleLedent, Jacques. „Une analyse log-linéaire des courants migratoires interprovinciaux : Canada, 1961-1983“. Cahiers québécois de démographie 12, Nr. 2 (27.10.2008): 223–50. http://dx.doi.org/10.7202/600508ar.
Der volle Inhalt der QuelleBerthoz, Nicolas, Denis Branque und Didier Subrin. „Déplacements induits par les tunneliers : rétro-analyse de chantiers en milieu urbain sur la base de calculs éléments finis en section courante“. Revue Française de Géotechnique, Nr. 164 (2020): 1. http://dx.doi.org/10.1051/geotech/2020019.
Der volle Inhalt der QuelleDenis, Alain, und Francis Cremoux. „Traitement et analyse des paramètres de pilotage d'un tunnelier“. Canadian Geotechnical Journal 39, Nr. 2 (01.04.2002): 451–62. http://dx.doi.org/10.1139/t01-093.
Der volle Inhalt der QuelleDuchemin, M., und M. Lachance. „Analyse de sensibilité du modèle CEQÉROSS“. Revue des sciences de l'eau 15, Nr. 4 (12.04.2005): 789–807. http://dx.doi.org/10.7202/705481ar.
Der volle Inhalt der QuelleButy, Christian, Zeynab Badreddine und Jean-Claude Régnier. „DIDACTIQUE DES SCIENCES ET INTERACTIONS DANS LA CLASSE: QUELQUES LIGNES DIRECTRICES POUR UNE ANALYSE DYNAMIQUE.“ Ensaio Pesquisa em Educação em Ciências (Belo Horizonte) 14, Nr. 1 (April 2012): 147–65. http://dx.doi.org/10.1590/1983-21172012140110.
Der volle Inhalt der QuelleSmith, Jennifer, Birinder Praneet Purewal, Alison Macpherson und Ian Pike. „Paramètres d’évaluation des programmes de prévention des blessures chez les jeunes travailleurs occupant des professions à haut risque : examen de la portée de la littérature“. Promotion de la santé et prévention des maladies chroniques au Canada 38, Nr. 5 (Mai 2018): 217–27. http://dx.doi.org/10.24095/hpcdp.38.5.01f.
Der volle Inhalt der QuelleDissertationen zum Thema "Analyse de l'estimabilité des paramètres"
Bouchkira, Ilias. „Modélisation thermodynamique des solutions d'acides sulfurique et phosphorique en présence du minerai de phosphate : applications à l'encrassement, à la cristallisation et à l'optimisation multicritère d'une unité industrielle de production d'acide phosphorique“. Electronic Thesis or Diss., Université de Lorraine, 2022. http://www.theses.fr/2022LORR0056.
Der volle Inhalt der QuelleThis PhD work deals with the development of a thermodynamic model and its use in the modeling, simulation and optimization of phosphoric acid manufacturing processes. It consists of mass and charge balance equations, chemical equilibrium equations, and Pitzer’s model equation. The model involves several unknown parameters to be identified from experimental measurements available in a database developed in this work. It contains data on speciation of phosphoric and sulfuric acids, on solubility of ten minerals, and on water activity of eight binary systems. The measurements are performed under temperature conditions ranging from 298K to 353K and concentrations ranging from 0 mol/kg water to 20 mol/kg water. A global sensitivity based estimability analysis is then developed and used to evaluate the estimability of the unknown parameters from the available data. The estimable parameters are then identified, and the values of the non-estimable ones are taken from the literature or from previous studies. Additional experimental measurements, different from those used for the identification of parameters, are carried out to validate the model. The Fisher-Snedecor statistical test and the Kolmogorov-Smirnov test are particularly used. The results of the tests confirmed the quality of the model predictions. The validated model is first exploited in the multi-objective optimization of an industrial unit of phosphoric acid production, in particular to minimize the chemical losses of phosphate and to improve of the performance of the unit. It is then used to investigate the fouling problems that occur during the production of phosphoric acid and alter the performance of different units of the manufacturing process. Finally, the model is exploited in the modeling and simulation of the crystallization of calcium sulfates during the production of phosphoric acid. The model thus validated and already exploited can now be used as a predictive tool for the design and optimal operation of existing phosphoric acid manufacturing processes, or even for the development of new processes which are more integrated and more efficient
Bouyssel, François. „Analyse variationnelle des paramètres de surface“. Toulouse 3, 2001. http://www.theses.fr/2001TOU30074.
Der volle Inhalt der QuelleGavrus, Adinel. „Identification automatique des paramètres rhéologiques par analyse inverse“. Phd thesis, École Nationale Supérieure des Mines de Paris, 1996. http://pastel.archives-ouvertes.fr/pastel-00733884.
Der volle Inhalt der QuelleDessombz, Olivier. „Analyse dynamique de structures comportant des paramètres incertains“. Ecully, Ecole centrale de Lyon, 2000. http://www.theses.fr/2000ECDL0036.
Der volle Inhalt der QuelleWe are interested in the modelling of structures with uncertain parameters. We focus on the characteristics of static and dynamic responses of such mechanical systems. We distinguish in this study two cases : first, the case of random parameters with a known probability law and second the case of variables of which only the bounds are known. In a first part, we investigate the case of structures with uncertain parameters modelled as random variables. We are particularly interested in the dynamic responses, as well the frequency response functions as the eigenmodes. An inovative method is carried out, which consists in a projection on orthogonal polynomial (polynomial chaos) that leads to the main stochastic characteristics of the responses. In a second part, we use the interval arithmetic to solve static and dynamic problems. We first propose an adapted formulation of the mathematical problems with respect to the finite element modeling of mechanical systems. We then introduce a new formulation of an iterative algorithm that leads to enveloppes of responses for interval linear systems
Bière, Loïc. „Analyse quantitative des paramètres issus de l'IRM cardiaque“. Thesis, Angers, 2015. http://www.theses.fr/2015ANGE0072.
Der volle Inhalt der QuelleThe various aspect of cardiac function may now be investigated non-invasively by cardiac imaging. Cardiac magnetic resonance (CMR) allows to study multiple parameters in one time, including function, perfusion, tissular characteristics and fibrosis. There is a need to propose adequate and objective criteria for CMR analysis, which may be warranted by a quantitative analysis. We prospectively followed 195 patients with a first ST elevation myocardial infarction and successful revascularisation. CMR were performed at baseline and 3 months. We analysed ventricular volumes, systolic wall stress, infarct size, microvascular obstruction, and pericardial effusion extent. A cohort of 42 patients with hypertrophic cardiomyopathy were also studied. We demonstrated the clinical interest for semi-automated analysis of late gadolinium enhancement imaging. The use of the FWHM algorithm appeared strongly related to left ventricular volumes at 3 months. Then we depicted the lack of relationships between electrocardiograms and fibrosis in patients with hypertrophic cardiomyopathy. The presence of q waves appeared to be related to cardiac phenotype, namely higher septal to posterior ratios. We showed the impairment of myocardial deformations in regard of myocardial fibrosis following a myocardial infarction. We found a much depressed deformation in case of microvascular obstruction and an interest for longitudinal global strain for the prediction of infarct size at 3 months. We also studied the determinants of post-infarction heart failure on one part, pericardial effusion on the other, by the use of a CMR multiparametric approach. Infarct size and systolic wall stress were the best markers of in-hospital and post-discharge heart failure, respectively. A pericardial effusion was found in 58.5% of the patients with a mean size of 31.6±24.0 ml. The determinants by multivariate analysis were infarct size, microvascular obstruction and systolic wall stress. Our results highlighted the interest for a quantitative and multiparametric approach of CMR. Further applications are expected in both descriptive and randomized studies
Hadjee, Younousse. „Analyse du problème d'estimation de paramètres en sismique marine“. Paris 9, 1988. https://portail.bu.dauphine.fr/fileviewer/index.php?doc=1988PA090036.
Der volle Inhalt der QuelleZaylaa, Amira. „Analyse et extraction de paramètres de complexité de signaux biomédicaux“. Thesis, Tours, 2014. http://www.theses.fr/2014TOUR3315/document.
Der volle Inhalt der QuelleThe analysis of biomedical time series derived from nonlinear dynamic systems is challenging due to the chaotic nature of these time series. Only few classical parameters can be detected by clinicians to opt the state of patients and fetuses. Though there exist valuable complexity invariants such as multi-fractal parameters, entropies and recurrence plot, they were unsatisfactory in certain cases. To overcome this limitation, we propose in this dissertation new entropy invariants, we contributed to multi-fractal analysis and we developed signal-based (unbiased) recurrence plots based on the dynamic transitions of time series. Principally, we aim to improve the discrimination between healthy and distressed biomedical systems, particularly fetuses by processing the time series using our techniques. These techniques were either validated on Lorenz system, logistic maps or fractional Brownian motions modeling chaotic and random time series. Then the techniques were applied to real fetus heart rate signals recorded in the third trimester of pregnancy. Statistical measures comprising the relative errors, standard deviation, sensitivity, specificity, precision or accuracy were employed to evaluate the performance of detection. Elevated discernment outcomes were realized by the high-order entropy invariants. Multi-fractal analysis using a structure function enhances the detection of medical fetal states. Unbiased cross-determinism invariant amended the discrimination process. The significance of our techniques lies behind their post-processing codes which could build up cutting-edge portable machines offering advanced discrimination and detection of Intrauterine Growth Restriction prior to fetal death. This work was devoted to Fetal Heart Rates but time series generated by alternative nonlinear dynamic systems should be further considered
Damak, Sérine. „Approximation de systèmes à paramètres répartis : Analyse, simulation et commande“. Thesis, Lyon, INSA, 2015. http://www.theses.fr/2015ISAL0029.
Der volle Inhalt der QuelleThis thesis addresses the approximation of infinite-dimensional linear systems for one-dimension in space, with the input-output approach, by a class of delay systems, and the stability analysis of this class of approximation. In order to preserve the properties of the original properties by interconnection, such as stability and/or input-output performance, the approximation is defined within the graph topology framework. In general, the methods proposed in the literature lead, by approximation, to finite-dimensional models. However, in this topology, such an approximation by lumped plants may not exist. It seems natural to generalize this approximation class by including a delay operator. We then obtain an approximation in the graph topology governed by a model of coupled differential-difference equations. The existence of this class of approximation and the properties of state-realization are studied. A constructive numerical method is proposed for this approximation. After the description of this class of approximation, we investigate stability of this class of operators, by the Lyapunov-Krasovskii approach. This approach consists to involve stability conditions of the form of a convex optimization problem. This stability analysis is extended to the case of systems with uncertain parameters and time-varying delays. We also propose estimates of the decay rate of the solution for the performance analysis. The analysis of the conservatism of the proposed methodology has been studied
Léger, Stéphanie. „Analyse stochastique de signaux multi-fractaux et estimations de paramètres“. Orléans, 2000. http://www.theses.fr/2000ORLE2045.
Der volle Inhalt der QuelleAlouf, Sara. „Estimation de paramètres et analyse des performances de diverses applications réseaux“. Nice, 2002. http://www.theses.fr/2002NICE5791.
Der volle Inhalt der QuelleIn this thesis we look at several modeling problems to estimate some parameters or to evaluate the performance of some mechanisms. The first subject is about the estimation of the cross traffic intensity and the buffer size at the bottleneck of a connection. We develop two inference models based on the M/M/1/K and M/D/1/K queues and derive 11 schemes for estimating the above-mentioned parameters. The second subject is about the on-line estimation of the membership of multicast groups. We first model the multicast group by an M/M/infinity queue and show that the estimation problem can be solved using a Kalman filter (heavy traffic case) and a Wiener filter (general case). We then design an efficient estimator using the M/H2/infinity queue model. The third subject is about agent location mechanisms in a mobile code environment. We propose Markovian models to evaluate the cost of two such mechanisms in terms of response times. All our models are validated via simulations and experiments
Buchteile zum Thema "Analyse de l'estimabilité des paramètres"
„CHAPITRE 4 AJUSTEMENT DES PARAMÈTRES“. In Analyse statistique de données expérimentales, 119–40. EDP Sciences, 2002. http://dx.doi.org/10.1051/978-2-7598-0113-8.c006.
Der volle Inhalt der QuelleJACQUEMONT, Mikaël, Thomas VUILLAUME, Alexandre BENOIT, Gilles MAURIN und Patrick LAMBERT. „Analyse d’images Cherenkov monotélescope par apprentissage profond“. In Inversion et assimilation de données de télédétection, 303–35. ISTE Group, 2023. http://dx.doi.org/10.51926/iste.9142.ch9.
Der volle Inhalt der QuelleATTO, Abdourrahmane M., Aluísio PINHEIRO, Guillaume GINOLHAC und Pedro MORETTIN. „Analyse d’ordre fractionnaire et prédiction de trajectoire de cyclones“. In Détection de changements et analyse des séries temporelles d’images 1, 159–82. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9056.ch6.
Der volle Inhalt der QuelleZANETTI, Massimo, Francesca BOVOLO und Lorenzo BRUZZONE. „Statistiques par différences pour les changements multispectraux“. In Détection de changements et analyse des séries temporelles d’images 1, 247–303. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9056.ch9.
Der volle Inhalt der QuelleGEBALI, Fayez, und Mohammad MAMUN. „Authentification avancée par PUF en télémédecine“. In Cybersécurité des maisons intelligentes, 131–61. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.9086.ch3.
Der volle Inhalt der QuelleCHABRIDON, Vincent, Mathieu BALESDENT, Guillaume PERRIN, Jérôme MORIO, Jean-Marc BOURINET und Nicolas GAYTON. „Analyse de sensibilité globale ciblée pour la fiabilité en présence d’incertitudes sur les paramètres de distribution“. In Ingénierie mécanique en contexte incertain, 255–304. ISTE Group, 2021. http://dx.doi.org/10.51926/iste.9010.ch7.
Der volle Inhalt der QuelleYUN-ROGER, Soyoung. „Les temporalités dans les télécollaborations entre classes de langues étrangères“. In Numérique et didactique des langues et cultures, 55–64. Editions des archives contemporaines, 2022. http://dx.doi.org/10.17184/eac.5801.
Der volle Inhalt der QuelleKonferenzberichte zum Thema "Analyse de l'estimabilité des paramètres"
Daas, M., und K. Dada. „Le flux numérique en implantologie“. In 66ème Congrès de la SFCO. Les Ulis, France: EDP Sciences, 2020. http://dx.doi.org/10.1051/sfco/20206601016.
Der volle Inhalt der QuelleHadj SaÏd, M., L. Thollon, Y. Godio-Raboutet, J. H. Catherine, C. M. Chossegros und D. Tardivo. „Modélisation 3D de l’os maxillaire dans l’analyse par éléments finis en implantologie orale : une nouvelle approche utilisant CBCT et anthropométrie“. In 66ème Congrès de la SFCO. Les Ulis, France: EDP Sciences, 2020. http://dx.doi.org/10.1051/sfco/20206603022.
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