Academic literature on the topic 'Estimation du terme inconnu'
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Journal articles on the topic "Estimation du terme inconnu"
Béchacq, Dimitri. "Les parcours du marronnage dans l’histoire haïtienne." Ethnologies 28, no. 1 (March 2, 2007): 203–40. http://dx.doi.org/10.7202/014155ar.
Full textWille, Clara. "Le Tigre dans la tradition latine du Moyen Age." Reinardus / Yearbook of the International Reynard Society 22 (December 16, 2010): 176–97. http://dx.doi.org/10.1075/rein.22.11wil.
Full textZakoïan, Jean-Michel, Olivier Scaillet, and Laurence Broze. "Estimation de modèles de la structure par terme des taux d'intérêt." Revue économique 47, no. 3 (May 1, 1996): 511–19. http://dx.doi.org/10.3917/reco.p1996.47n3.0511.
Full textBroze, Laurence, Olivier Scaillet, and Jean-Michel Zakoïan. "Estimation de modèles de la structure par terme des taux d'intérêt." Revue économique 47, no. 3 (1996): 511–19. http://dx.doi.org/10.3406/reco.1996.409787.
Full textBroze, Laurence, Olivier Scaillet, Jean-Michel Zakoïan, and Jean-Michel Zakoian. "Estimation de modèles de la structure par terme des taux d'intérêt." Revue économique 47, no. 3 (May 1996): 511. http://dx.doi.org/10.2307/3502555.
Full textPirotte, Alain. "Estimation de relations de long terme sur données de panel : nouveaux résultats." Économie & prévision 126, no. 5 (1996): 143–61. http://dx.doi.org/10.3406/ecop.1996.5828.
Full textBonhomme, Stéphane, and Jean-Marc Robin. "La mesure des inégalités de long terme avec des panels courts : 1990-2000*." L'Actualité économique 84, no. 4 (March 8, 2010): 325–63. http://dx.doi.org/10.7202/039323ar.
Full textHabib, Pierre. "Utilisation des roches tendres et des roches dures pour l'isolement des dechets radioactifs." Geotecnia, no. 71 (June 20, 1994): 01–24. http://dx.doi.org/10.14195/2184-8394_71_1.
Full textProst, Corinne, Pauline Givord, and Sophie Audric. "Estimation de l'impact sur l'emploi non qualifié des mesures de baisse de charges." Revue économique 51, no. 3 (May 1, 2000): 513–22. http://dx.doi.org/10.3917/reco.p2000.51n3.0513.
Full textTensaout, Mouloud. "Estimation des effets de court terme et de long terme des décisions marketing : Les modèles VAR, la modélisation ECM et la théorie de la cointégration." Recherche et Applications en Marketing (French Edition) 15, no. 2 (June 2000): 59–79. http://dx.doi.org/10.1177/076737010001500204.
Full textDissertations / Theses on the topic "Estimation du terme inconnu"
Wang, Zhibo. "Estimations non-asymptotiques et robustes basées sur des fonctions modulatrices pour les systèmes d'ordre fractionnaire." Electronic Thesis or Diss., Bourges, INSA Centre Val de Loire, 2023. http://www.theses.fr/2023ISAB0003.
Full textThis thesis develops the modulating functions method for non-asymptotic and robust estimations for fractional-order nonlinear systems, fractional-order linear systems with accelerations as output, and fractional-order time-delay systems. The designed estimators are provided in terms of algebraic integral formulas, which ensure non-asymptotic convergence. As an essential feature of the designed estimation algorithms, noisy output measurements are only involved in integral terms, which endows the estimators with robustness against corrupting noises. First, for fractional-order nonlinear systems which are partially unknown, fractional derivative estimation of the pseudo-state is addressed via the modulating functions method. Thanks to the additive index law of fractional derivatives, the estimation is decomposed into the fractional derivatives estimation of the output and the fractional initial values estimation. Meanwhile, the unknown part is fitted via an innovative sliding window strategy. Second, for fractional-order linear systems with accelerations as output, fractional integral estimation of the acceleration is firstly considered for fractional-order mechanical vibration systems, where only noisy acceleration measurements are available. Based on the existing numerical approaches addressing the proper fractional integrals of accelerations, our attention is primarily restricted to estimating the unknown initial values using the modulating functions method. On this basis, the result is further generalized to more general fractional-order linear systems. In particular, the behaviour of fractional derivatives at zero is studied for absolutely continuous functions, which is quite different from that of integer order. Third, for fractional-order time-delay systems, pseudo-state estimation is studied by designing a fractional-order auxiliary modulating dynamical system, which provides a more general framework for generating the required modulating functions. With the introduction of the delay operator and the bicausal generalized change of coordinates, the pseudo-state estimation of the considered system can be reduced to that of the corresponding observer normal form. In contrast to the previous work, the presented scheme enables direct estimation for the pseudo-state rather than estimating the fractional derivatives of the output and a bunch of fractional initial values. In addition, the efficiency and robustness of the proposed estimators are verified by numerical simulations in this thesis. Finally, a summary of this work and an insight into future work were drawn
Mechhoud, Sarah. "Estimation de la diffusion thermique et du terme source du modèle de transport de la chaleur dans les plasmas de tokamaks." Phd thesis, Université de Grenoble, 2013. http://tel.archives-ouvertes.fr/tel-00954183.
Full textChafouk, Houcine. "Validation de données à variance inconnu." Nancy 1, 1990. http://docnum.univ-lorraine.fr/public/SCD_T_1990_0379_CHAFOUK.pdf.
Full textClément, Thierry. "Estimation d'incertitude paramétrique dans un contexte de bruit de sortie inconnu mais borné." Grenoble INPG, 1987. http://www.theses.fr/1987INPG0095.
Full textClément, Thierry. "Estimation d'incertitude paramétrique dans un contexte de bruit de sortie inconnu mais borné." Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb376039984.
Full textScaillet, Olivier. "Modélisation et estimation de la structure par terme des taux d'intérêt." Paris 9, 1996. https://portail.bu.dauphine.fr/fileviewer/index.php?doc=1996PA090003.
Full textThis work is divided in five chapters and examines two aspects of term structure modeling: the pricing of derivatives assets on interest rates end the inference of the models generally used in this pricing. The first chapter introduces continuous-time models and arbitrage pricing. The second chapter examines option pricing in a affine model. The estimation part concerning state variable dynamics is dealt with in chapter III. It consists in studying an inference method based on simulations in the frameworks of diffusion processes. In chapter IV, tests of non-nested hypotheses using simulations and an indirect encompassing notion are described. Two applications are proposed in chapter V. The first one consists in examining an estimation method of term structure models from bond data. The second one concerns estimation and comparison of several usual models of the instantaneous interest rate
Huillery, Julien. "Support temps-fréquence d'un signal inconnu en présence de bruit additif gaussien." Phd thesis, Grenoble INPG, 2008. http://tel.archives-ouvertes.fr/tel-00301324.
Full textNous choisissons de résoudre ce problème de localisation au moyen d'un test binaire d'hypothèses, formulé en chaque point du plan temps-fréquence. Le seuil de détection correspondant à ce test doit alors être déterminé : d'après les lois de probabilité des coefficients du spectrogramme d'une part, en lien avec la puissance du bruit d'autre part et, enfin, selon un critère de détection approprié.
La première étude concerne le comportement statistique des coefficients du spectrogramme. Dans le contexte d'un bruit non blanc et non stationnaire, la densité de probabilité des observations est ainsi formulée.
La densité specrale de puissance du bruit apparaît naturellement comme l'un des paramètres de cette densité de probabilité. Dans une seconde étude, une méthode d'estimation de ce bruit est proposée. Elle se base sur le comportement statistique des plus petits coefficients du spectrogramme.
Cet ensemble de connaissances nous permet finalement de résoudre le test d'hypothèses dont la solution naturelle au sens du maximum de vraisemblance fait apparaître le rapport d'énergie entre le signal et le bruit en chaque point du plan temps-fréquence. Ce rapport signal sur bruit local permet dès lors de préciser la condition "au moins supérieure" relative au support temps-fréquence accessible du signal.
L'algorithme de localisation temps-fréquence qui résulte de ce travail permet finalement de retenir le support temps-fréquence du signal d'intérêt sur l'ensemble duquel le rapport signal sur bruit est supérieur à une valeur choisie a priori.
Kassai, Koupai Behrouz. "Estimation du bénéfice clinique à long terme, les critères intermédiaires et leur application en pédiatrie." Lyon 1, 2006. http://www.theses.fr/2006LYO10028.
Full textBiomarkers and diagnostic tests results are commonly used as substitute for evaluating the treatment benefit. The use of substitutes yields a series of methodological problems. Using a numerical approach we have contributed to a better knowledge of the influence of the performance of diagnostic tests and biomarkers on the measurement of the treatment benefit. In paediatrics, we developed a clinical trial evaluating the efficacy of minoxidil on intima-media thickness with echography in children with Williams Beuren syndrome. Estimating the long-term treatment benefit. In the realm of prevention of chronic diseases, the follow-up duration rarely exceed 5 years. Preventive treatment, however, are usually prescribed for long-term. It is important, therefore, to know the approximations made when extrapolating results of short-term clinical trials. We developed an approach allowing us to estimate the clinical benefit of preventive treatment in terms of gain in life expectancy from results of clinical trials. We applied this approach to antihypertensive drugs using a meta-analysis on individual patient data and life tables. We have contributed to a better understanding of the behaviour of efficacy indices (relative risk, risk differences) as a function of the duration of the treatment. In children treated for cancer, we explored the long-term benefit in terms of gain in life expectancy
Bellier-Delienne, Annie. "Évaluation des contrats notionnels MATIF : estimation de la volatilité et de l'option de livraison." Paris 9, 1993. https://portail.bu.dauphine.fr/fileviewer/index.php?doc=1993PA090028.
Full textNotional bond futures volatility, which measures the sensibility of the contract to movements in financial market, is estimated from different types of options on long bond futures evaluation models. Whaley model (with classical hypothesis of Black and Scholes model, American option) gives the best result within the different models which were tested. The quality option gives the futures seller the choice of delivery bond at the expiry date. Obtained by arbitrage, it always seems to be under evaluated by the market. It can be explained by the fact that the market limits the official bond list with two or three deliverable bonds, and when a bond goes out of the official list, the next delivery month, it's almost the cheapest to deliver
Champagne, Julie. "Traitement d'ordre en mémoire à court terme et estimation du temps : effet d'interférence spécifique au traitement d'ordre temporel." Master's thesis, Université Laval, 2000. http://hdl.handle.net/20.500.11794/51881.
Full textBooks on the topic "Estimation du terme inconnu"
Mélard, Guy. Méthodes de prévision à court terme. Bruxelles, Belgique: Editions de l'Université de Bruxelles, 1990.
Find full textBook chapters on the topic "Estimation du terme inconnu"
Kacimi, Hayat, and François Murat. "Estimation de L’Erreur dans des Problemes de Dirichlet ou Apparait un Terme Etrange." In Partial Differential Equations and the Calculus of Variations, 661–96. Boston, MA: Birkhäuser Boston, 1989. http://dx.doi.org/10.1007/978-1-4684-9196-8_27.
Full textKacimi, Hayat, and François Murat. "Estimation de L’erreur Dans des Problemes de Dirichlet ou Apparait un Terme Etrange." In Partial Differential Equations and the Calculus of Variations, 661–96. Boston, MA: Birkhäuser Boston, 1989. http://dx.doi.org/10.1007/978-1-4615-9831-2_6.
Full textLASOCKI, Stanisław. "Estimation de la densité par noyau en sismologie." In Méthodes et modèles statistiques pour la sismogenèse, 5–31. ISTE Group, 2023. http://dx.doi.org/10.51926/iste.9037.ch1.
Full textConference papers on the topic "Estimation du terme inconnu"
Liénard, Jean-Sylvain. "Représentation et Estimation de la Force de Voix à partir du Spectre Moyen à Long Terme." In XXXIIe Journées d’Études sur la Parole. ISCA: ISCA, 2018. http://dx.doi.org/10.21437/jep.2018-71.
Full textKobayashi, Daisuke, Akihiro Ito, Masamichi Miyabe, Yukio Kagiya, and Yomei Yoshioka. "Crack Initiation Behavior and its Estimation for a Gas Turbine Rotor Based on the EBSD Analysis." In ASME Turbo Expo 2012: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/gt2012-68226.
Full textAndreini, Antonio, Riccardo Becchi, Bruno Facchini, Alessio Picchi, and Fabio Turrini. "Effect of Slot Injection and Effusion Array on the Liner Heat Transfer Coefficient of a Scaled Lean Burn Combustor With Representative Swirling Flow." In ASME Turbo Expo 2015: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/gt2015-42587.
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