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Dissertations / Theses on the topic 'Multi-curve'

Author: Grafiati

Published: 10 September 2021

Last updated: 29 July 2025

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1

Dalton, Rowan. "Modelling stochastic multi-curve basis." Master's thesis, University of Cape Town, 2017. http://hdl.handle.net/11427/27102.

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As a consequence of the 2007 financial crisis, the market has shifted towards a multi-curve approach in modelling the prevailing interest rate environment. Currently, there is a reliance on the assumption of deterministic- or constant-basis spreads. This assumption is too simplistic to describe the modern multi-curve environment and serves as the motivation for this work. A stochastic-basis framework, presented by Mercurio and Xie (2012), with one- and two-factor OIS short-rate models is reviewed and implemented in order to analyse the effect of the inclusion of stochastic-basis in the pricing

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2

Sun, Li. "Multi-resolution-based road curve fitting." Thesis, University of Macau, 2018. http://umaclib3.umac.mo/record=b3950621.

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Savickas, Vytautas. "Hybrid multi-curve models with stochastic basis." Thesis, University College London (University of London), 2017. http://discovery.ucl.ac.uk/10033951/.

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The financial markets have changed radically since the start of the 2007 credit crisis. Following the bankruptcies of large financial institutions as well as bailouts of multiple banks and asset management institutions like Bear Sterns, Lehman Brothers, and AIG, the market participants recognised the serious credit and liquidity risks present in the widely traded interest rate derivatives. The effect of rising credit and liquidity risks was observed by the spike in the spreads between nearly risk-free OIS rates used for collateral and risky unsecured LIBOR loan rates. Most of the classical int

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4

Sender, Nina Alexandra. "Multi-curve bootstrapping and implied discounting curves in illiquid markets." Master's thesis, University of Cape Town, 2017. http://hdl.handle.net/11427/25447.

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The credit and liquidity crisis of 2007 has triggered a number of inconsistencies in the interest rate market, questioning some of the standard methods and assumptions used to price and hedge interest rate derivatives. It has been shown that using a single risk-free curve (constructed from market instruments referencing underlying rates of varying tenors) to forecast and discount cash flows is not theoretically correct. Standard market practice has evolved to a multi-curve approach, using different curves to forecast and discount cash flows. The risk-free discount curve is proxied by the Overn

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Tahir, Haseeb. "Development of Fragility Curve Database for Multi-Hazard Performance Based Design." Thesis, Virginia Tech, 2016. http://hdl.handle.net/10919/71794.

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There is a need to develop efficient multi-hazard performance based design (PBD) tools to analyze and optimize buildings at a preliminary stage of design. The first step was to develop a database and it is supported by five major contributions: 1) development of nomenclature of variables in PBD; 2) creation of mathematical model to fit data; 3) collection of data; 4) identification of gaps and methods for filling data in PBD; 5) screening of soil, foundation, structure, and envelope (SFSE) combinations.. A unified nomenclature was developed with the collaboration of a multi-disciplinary team t

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6

Maxwell, Daniel. "Volatility transformation in a multi-curve setting applied to caps and swaptions." Master's thesis, University of Cape Town, 2015. http://hdl.handle.net/11427/16693.

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Includes bibliographical references<br>The effects of the 2007-08 financial crisis have resulted in a sharp change in the way interest rate markets are viewed as well as modelled. As a result of the crisis, the general market framework has transitioned from a single curve framework to what is commonly known as the 'multiple-curve' framework. In addition to this, there is debate as to which curve to use for discounting. This dissertation will initially aim to give a succinct, yet thorough overview of the changes affecting interest rate modelling as a result of the financial crisis. In particula

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Rosero, Esteban [Verfasser]. "Cooperative Source Seeking and Level Curve Tracking for Multi-Agent Systems / Esteban Rosero." München : Verlag Dr. Hut, 2017. http://d-nb.info/1126297488/34.

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8

El, Menouni Zakaria. "Pricing Interest Rate Derivatives in the Multi-Curve Framework with a Stochastic Basis." Thesis, KTH, Matematisk statistik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-163274.

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The financial crisis of 2007/2008 has brought about a lot of changes in the interest rate market in particular, as it has forced to review and modify the former pricing procedures and methodologies. As a consequence, the Multi-Curve framework has been adopted to deal with the inconsistencies of the frameworks used so far, namely the single-curve method. We propose to study this new framework in details by focusing on a set of interest rate derivatives such as deposits, swaps and caplets, then we explore a stochastic approach to model the Libor-OIS basis spread, which has appeared since the beg

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9

Rosero, García Esteban Emilio [Verfasser]. "Cooperative Source Seeking and Level Curve Tracking for Multi-Agent Systems / Esteban Rosero." München : Verlag Dr. Hut, 2017. http://d-nb.info/1126297488/34.

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10

Addesa, Francesco Agostino Domenico. "Beveridge curve, job matching and labour market dynamics: a multi-level empirical analysis." Doctoral thesis, Universita degli studi di Salerno, 2010. http://hdl.handle.net/10556/241.

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2007 - 2008<br>The aim of this thesis is to contribute to the debate on the Beveridge Curve: more specifically, after providing a theoretical introduction to the Curve in Chapter I, we focus on some empirical points, concerning globalisation and technological progress, which the international empirical literature has not dealt with closely (Chapter II), and on a level analysis which no previous study has dealt with in the Italian literature (Chapter III). Chapter I centres on the matching approach founding the studies on the Beveridge Curve since the late 1970's, it also mentions the

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11

Ferreira, Bruno Fin. "Elliptic curve cryptography in hardware for secure systems : a multi-use reconfigurable soft IP." Pontifícia Universidade Católica do Rio Grande do Sul, 2014. http://hdl.handle.net/10923/6763.

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Made available in DSpace on 2014-08-19T02:01:19Z (GMT). No. of bitstreams: 1 000460263-Texto+Completo-0.pdf: 1997938 bytes, checksum: db8ee989e5494026f04f8cc600c619a5 (MD5) Previous issue date: 2014<br>In the last years, the industry has developed and put in the market a plethora of electronic devices that are able to access the Internet and other networks. This is making easier to send, receive, share and store all types of information at any moment, from anywhere. Thus, there is a huge amount of important information crossing the Internet and there are malicious entities and/or individuals

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12

Nguyen, Anh-The [Verfasser], and Frank [Akademischer Betreuer] Seifried. "Interest Rate Modeling - The Potential Approach and Multi-Curve Potential Models / Anh-The Nguyen. Betreuer: Frank Seifried." Kaiserslautern : Technische Universität Kaiserslautern, 2016. http://d-nb.info/1110883412/34.

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Rosero, García Esteban Emilio [Verfasser], and Herbert [Akademischer Betreuer] Werner. "Cooperative source seeking and level curve tracking for multi-agent systems / Esteban Emilio Rosero García ; Betreuer: Herbert Werner." Hamburg : Universitätsbibliothek der Technischen Universität Hamburg-Harburg, 2017. http://d-nb.info/1137555238/34.

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14

Simmons, Mark R. "Comparison of Weight Loss Outcome Measures in Adolescent Bariatric Surgery Patients using Growth Curve Modeling." University of Cincinnati / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1447689830.

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15

Benetti, Andrea. "Modellazione Geometrica con MD-Spline." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/12369/.

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Le curve B-spline comunemente usate in modellazione geometrica sono costituite da segmenti polinomiali aventi tutti lo stesso grado. Nella pratica, è spesso necessario modellare curve composte da segmenti polinomiali di grado differente. In questi casi l’utilizzo delle curve B-spline classiche complica inutilmente la modellazione ed necessita di informazioni superflue alla descrizione matematica della curva. Le curve MD-Spline (Multi Degree Spline) sono una generalizzazione delle curve B-spline costituite da segmenti polinomiali di gradi differenti. Con le MD-Spline un progettista CAD ha

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Siless, Viviana. "Multi-modal registration of T1 brain image and geometric descriptors of white matter tracts." Thesis, Paris 11, 2014. http://www.theses.fr/2014PA112147/document.

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Le recalage des images du cerveau vise à réduire la variabilité anatomique entre les differentes sujets, et à créer un espace commun pour l'analyse de groupe. Les approches multi-modales essaient de minimiser les variations de forme du cortex et des structures internes telles que des faisceaux de fibres nerveuses. Ces approches nécessitent une identification préalable de ces structures, ce qui s'avère une tâche difficile en l'absence d'un atlas complet de référence. Nous proposons une extension de l'algorithme de recalage difféomorphe des Démons pour recaler conjointement des images et des fai

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Le, Gratiet Loic. "Multi-fidelity Gaussian process regression for computer experiments." Phd thesis, Université Paris-Diderot - Paris VII, 2013. http://tel.archives-ouvertes.fr/tel-00866770.

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This work is on Gaussian-process based approximation of a code which can be run at different levels of accuracy. The goal is to improve the predictions of a surrogate model of a complex computer code using fast approximations of it. A new formulation of a co-kriging based method has been proposed. In particular this formulation allows for fast implementation and for closed-form expressions for the predictive mean and variance for universal co-kriging in the multi-fidelity framework, which is a breakthrough as it really allows for the practical application of such a method in real cases. Furthe

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18

Kim, Jonghoek. "Simultaneous cooperative exploration and networking." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/39536.

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This thesis provides strategies for multiple vehicles to explore unknown environments in a cooperative and systematic manner. These strategies are called Simultaneous Cooperative Exploration and Networking (SCENT) strategies. As the basis for development of SCENT strategies, we first tackle the motion control and planning for one vehicle with range sensors. In particular, we develop the curve-tracking controllers for autonomous vehicles with rigidly mounted range sensors, and a provably complete exploration strategy is proposed so that one vehicle with range sensors builds a topological map of

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Bonaventure, Julien. "Influence of random surface roughness on friction in elastohydrodynamic, mixed and boundary lubrication." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSEC038/document.

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La plupart des systèmes mécaniques contiennent des contacts lubrifiés (articulations, roulements, ...) qui sont soumis à des efforts importants. Dans ce travail expérimental, on s’intéresse à l’influence de la rugosité sur la friction dans les régimes de lubrification élastohydrodynamique (EHD), mixte, et limite dans des conditions représentatives des contacts dans un moteur de voiture. Les surfaces utilisées dans ce travail sont principalement des aciers usinés industriellement, revêtus ou non de Diamond-Like Carbon (DLC). La force de friction dans les régimes mixte et limite étant bien plus

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Leroy, Arthur. "Multi-task learning models for functional data and application to the prediction of sports performances." Thesis, Université de Paris (2019-....), 2020. http://www.theses.fr/2020UNIP7089.

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Ce manuscrit de thèse est consacré à l’analyse de données fonctionnelles et la définition de modèles multi-tâches pour la régression et la classification non supervisée. L’objectif de ce travail est double et trouve sa motivation dans la problématique d’identification de jeunes sportifs prometteurs pour le sport de haut niveau. Ce contexte, qui offre un fil rouge illustratif des méthodes et algorithmes développés par la suite, soulève la question de l’étude de multiples séries temporelles supposées partager de l’information commune, et généralement observées à pas de temps irréguliers. La méth

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Yandt, Mark. "Characterization Techniques and Optimization Principles for Multi-Junction Solar Cells and Maximum Long Term Performance of CPV Systems." Thesis, Université d'Ottawa / University of Ottawa, 2017. http://hdl.handle.net/10393/35870.

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Two related bodies of work are presented, both of which aim to further the rapid development of next generation concentrating photovoltaic systems using high efficiency multi junction solar cells. They are complementary since the characterization of commercial devices and the systematic application of design principles for future designs must progress in parallel in order to accelerate iterative improvements. First addressed, is the field characterization of state of the art concentrating photovoltaic systems. Performance modeling and root cause analysis of deviations from the modeling resul

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22

Jahn, Axel. "Umformbarkeit laserinduktionsgeschweißter Strukturen aus höherfesten Stahlfeinblechen." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-73795.

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Konventionelles Laserstrahlschweißen von Halbzeugen aus höherfesten Stahlfeinblechen führt zum drastischen Verlust an Umformbarkeit im Schweißnahtbereich. Durch integrierte induktive Erwärmung können der Temperaturverlauf beim Schweißen modifiziert, die Verbindungseigenschaften beeinflusst und die Umformbarkeit verbessert werden. Die Zusammenhänge zwischen Prozessparametern und mechanischen Verbindungseigenschaften werden beschrieben und Anwendungspotenziale aufgezeigt.

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Glisson, Wesley J., Courtney J. Conway, Christopher P. Nadeau, and Kathi L. Borgmann. "Habitat models to predict wetland bird occupancy influenced by scale, anthropogenic disturbance, and imperfect detection." WILEY, 2017. http://hdl.handle.net/10150/625200.

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Understanding species-habitat relationships for endangered species is critical for their conservation. However, many studies have limited value for conservation because they fail to account for habitat associations at multiple spatial scales, anthropogenic variables, and imperfect detection. We addressed these three limitations by developing models for an endangered wetland bird, Yuma Ridgway's rail (Rallus obsoletus yumanensis), that examined how the spatial scale of environmental variables, inclusion of anthropogenic disturbance variables, and accounting for imperfect detection in validation

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Constantin, Robert, and Denis Gerzic. "An Evaluation of Swedish Municipal Borrowing via Nikkei-linked Loans." Thesis, Linköpings universitet, Produktionsekonomi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-153259.

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In this master thesis, we compare three different types of funding alternatives from a Swedish municipality's point of view, with the main focus on analysing a Nikkei-linked loan. We do this by analysing the resulting interest rate and the expected exposures, taking collateral into consideration. We conclude, with certainty, that there are many alternatives for funding and that they each need to be analysed and compared on many levels to be able to make a correct decision as to which ones to choose. An important part of this is to consider the implications of the newest regulations and risk ex

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Soofi, Wafa Ahmed. "Regulation of rhythmic activity in the stomatogastric ganglion of decapod crustaceans." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/53440.

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Neuronal networks produce reliable functional output throughout the lifespan of an animal despite ceaseless molecular turnover and a constantly changing environment. The cellular and molecular mechanisms underlying the ability of these networks to maintain functional stability remain poorly understood. Central pattern generating circuits produce a stable, predictable rhythm, making them ideal candidates for studying mechanisms of activity maintenance. By identifying and characterizing the regulators of activity in small neuronal circuits, we not only obtain a clearer understanding of how ne

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Jahn, Axel. "Umformbarkeit laserinduktionsgeschweißter Strukturen aus höherfesten Stahlfeinblechen." Doctoral thesis, Fraunhofer Institut für Werkstoff- und Strahltechnik, 2010. https://tud.qucosa.de/id/qucosa%3A25673.

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Konventionelles Laserstrahlschweißen von Halbzeugen aus höherfesten Stahlfeinblechen führt zum drastischen Verlust an Umformbarkeit im Schweißnahtbereich. Durch integrierte induktive Erwärmung können der Temperaturverlauf beim Schweißen modifiziert, die Verbindungseigenschaften beeinflusst und die Umformbarkeit verbessert werden. Die Zusammenhänge zwischen Prozessparametern und mechanischen Verbindungseigenschaften werden beschrieben und Anwendungspotenziale aufgezeigt.

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Tran, Quoc Anh. "Modélisation numérique du comportement des milieux granulaires à partir de signaux pénétrométriques : approche micromécanique par la méthode des éléments discrets." Thesis, Clermont-Ferrand 2, 2015. http://www.theses.fr/2015CLF22561/document.

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Dans la pratique actuelle du génie géotechnique, les essais de pénétration tels que les CPT, SPT, Panda sont largement utilisés pour caractériser mécaniquement les sols, au travers notamment d’une caractéristique de rupture appelée résistance de pointe. Par ailleurs, les dernières évolutions technologiques apportées aux essais de pénétration dynamique (Panda 3) permettent d’obtenir pendant chaque impact une courbe charge–enfoncement donnant la charge en pointe en fonction de l’enfoncement à partir de la mesure et du découplage des ondes générées durant l’essai. L’exploitation de cette nouvelle

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Marguerit, Elisa. "Déterminisme génétique des réponses au déficit hydrique de la transpiration et de la croissance, induites par le porte-greffe, chez la vigne : approche intégrée de génétique quantitative et d'écophysiologie." Thesis, Bordeaux 2, 2010. http://www.theses.fr/2010BOR21777/document.

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Dans le contexte de raréfaction de la ressource en eau, il est nécessaire de prendre en compte le caractère de tolérance à la sécheresse dans les programmes d’amélioration variétale, en particulier pour les porte-greffes de vigne. L’objectif de cette thèse est d’analyser, à l’échelle de la plante entière, le déterminisme génétique des effets du porte-greffe sur les réponses de la tranpiration et de la croissance, au niveau de la partie aérienne, en conditions de déficit hydrique édaphique. L’étude de ces caractères complexes, soumis à une forte interaction génotype × environnement, a été condu

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Cushman, Cody Vic. "Multi-Instrument Surface Characterization of Display Glass." BYU ScholarsArchive, 2019. https://scholarsarchive.byu.edu/etd/7477.

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Flat panel displays (FPDs) are microfabricated devices that are often fabricated on specialized glass substrates known as display glass. The surface chemistry of the outer few nanometers of display glass can have an important influence on FPD performance and yield. Dsiplay glass surface characterization is difficult because (i) display glass surface composition varies significantly from its bulk composition; (ii) high-surface area forms of glass, such as fibers and powders, may not have the same surface composition as melt-formed planar surfaces, and (iii) the surface composition of display gl

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Gil, Edward Matthew. "Computational Modeling of Glass Curtain Wall Systems to Support Fragility Curve Development." Thesis, Virginia Tech, 2019. http://hdl.handle.net/10919/94051.

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With the increased push towards performance-based engineering (PBE) design, there is a need to understand and design more resilient building envelopes when subjected to natural hazards. Since architectural glass curtain walls (CW) have become a popular façade type, it is important to understand how these CW systems behave under extreme loading, including the relationship between damage states and loading conditions. This study subjects 3D computational models of glass CW systems to in- and out-of-plane loading simulations, which can represent the effects of earthquake or hurricane events. The

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Dass, Praveen Kumar. "Evaluation of a Multi-linear Stiffness Model for T-Stub Connection Under Varying Fastener Pretension Levels." University of Cincinnati / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1141286677.

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TAORMINA, Vincenzo. "DEVELOPMENT AND IMPLEMENTATION OF MACHINE LEARNING METHODS FOR THE IIF IMAGES ANALYSIS." Doctoral thesis, Università degli Studi di Palermo, 2021. http://hdl.handle.net/10447/479046.

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Colin, Julien. "Séchage en continu du bois énergie comme moyen de préconditionnement en vue de sa conservation thermochimique : approches expérimentale et numérique." Phd thesis, AgroParisTech, 2011. http://pastel.archives-ouvertes.fr/pastel-00861231.

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Les voies sèches de valorisation du bois énergie sont de plus en plus exigeantes vis-à-vis de la qualité de la matière première et notamment quant à sa teneur en eau. Ainsi, une étape intermédiaire de préconditionnement, sur site industriel, tend à se développer. La mise en œuvre de séchoirs en continu est alors séduisante de par son faible coût et sa parfaite intégration dans la ligne de production. Cependant, elle n'est pas sans écueil : la variabilité de la biomasse et l'hétérogénéité des conditions climatiques au sein du séchoir rendent fastidieux le dimensionnement du séchoir et de la sou

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Hamit-Haggar, Mahamat. "Essays on environmental and development economics." Thesis, Université Clermont Auvergne‎ (2017-2020), 2018. http://www.theses.fr/2018CLFAD005/document.

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Cette thèse comporte quatre essais et porte sur les questions fondamentales sur la relation entre l’environnement et le développement économique. Le premier chapitre cherche à identifier les déterminants individuels et contextuels qui affectent la volonté de contribuer des gens à la lutte contre la pollution environnementale. Nos résultats révèlent que les individus riches, les personnes éduquées ainsi que les personnes possédant des valeurs post-matérialistes sont plus susceptibles d’être préoccupées par la pollution environnementale. On remarque que la caractéristique du pays de ces individu

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Rollin, Orianne. "Etude multi-échelle du patron de diversité des abeilles et utilisation des ressources fleuries dans un agrosystème intensif." Phd thesis, Université d'Avignon, 2013. http://tel.archives-ouvertes.fr/tel-00993034.

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Les abeilles sont des pollinisateurs essentiels pour les cultures et les plantes sauvages, mais l'intensification des pratiques agricoles a engendré une baisse importante de leur abondance et diversité. Afin de protéger efficacement les abeilles dans les paysages agricoles, il est nécessaire d'avoir une meilleure connaissance de leurs patrons de diversité. L'objectif général de cette thèse était de déterminer les patrons spatio-temporels de la diversité des abeilles et l'utilisation des ressource fleuries dans un système agricole intensif. L'échantillonnage spatialement extensif de l'activité

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Aspromonte, Rossella. "Analisi di sensitività del modello multi-variato INSYDE per la stima dei danni da alluvione." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018.

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Il presente lavoro ha investigato la stima del danno da alluvione su edifici residenziali attraverso un’analisi di sensitività sia sui parametri rappresentativi della pericolosità idraulica che su quelli utilizzabili per la valutazione dell’esposizione del territorio a rischio. Il metodo utilizzato per valutare la stima dei danni da alluvione è un metodo probabilistico multivariato che prende il nome di INSYDE, dove i parametri rappresentativi delle pericolosità ed esposizione possono essere attribuiti mediante diversi gradi di dettaglio, sia spaziale (dati aggregati o puntuali), che conosciti

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Riceputi, Giulia. "Il protocollo anatomico piede "Shriners Hospital for Children Greenville" (SHCG Foot Model) : estrazione delle curve di normalità e applicazioni in clinica." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020.

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Questo progetto di tesi nasce per essere di supporto ad un’esigenza del Laboratorio di Analisi del Movimento e Biomeccanica (LAMB) dell’ospedale “Sol et Salus” (RN) di approfondire lo studio della cinematica del piede, con il proposito di fornire diagnosi funzionali più dettagliate a pazienti con deformità podaliche. L’obiettivo di questo progetto era di studiare il protocollo piede multi-segmento “Shriners Hospital for Children Greenville (SHCG) Foot Model” attraverso un sistema stereofotogrammetrico optoelettronico, soffermandosi sulla produzione delle curve di normalità e sull’applicazione

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Janda, Miloš. "Detekce hran pomocí neuronové sítě." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2010. http://www.nusl.cz/ntk/nusl-237175.

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Aim of this thesis is description of neural network based edge detection methods that are substitute for classic methods of detection using edge operators. First chapters generally discussed the issues of image processing, edge detection and neural networks. The objective of the main part is to show process of generating synthetic images, extracting training datasets and discussing variants of suitable topologies of neural networks for purpose of edge detection. The last part of the thesis is dedicated to evaluating and measuring accuracy values of neural network.

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REBUFELLO, ENRICO. "Developing new paradigms for quantum measurements." Doctoral thesis, Politecnico di Torino, 2021. http://hdl.handle.net/11583/2875749.

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Li, Yi. "A Generalization of AUC to an Ordered Multi-Class Diagnosis and Application to Longitudinal Data Analysis on Intellectual Outcome in Pediatric Brain-Tumor Patients." Digital Archive @ GSU, 2009. http://digitalarchive.gsu.edu/math_diss/1.

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Receiver operating characteristic (ROC) curves have been widely used in evaluation of the goodness of the diagnostic method in many study fields, such as disease diagnosis in medicine. The area under the ROC curve (AUC) naturally became one of the most used variables in gauging the goodness of the diagnosis (Mossman, Somoza 1991). Since medical diagnosis often is not dichotomous, the ROC curve and AUC need to be generalized to a multi-dimensional case. The generalization of AUC to multi-class case has been studied by many researchers in the past decade. Most recently, Nakas & Yiannoutsos (2

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Bentley, Mary Jane. "Development and Evaluation of Disease Activity Measures in Rheumatoid Arthritis Using Multi-Level Mixed Modeling and Other Statistical Methodologies: A Dissertation." eScholarship@UMMS, 2010. https://escholarship.umassmed.edu/gsbs_diss/461.

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Remarkable progress has been made in the development of effective treatments for patients with rheumatoid arthritis (RA). To ensure that a patient is optimally responding to treatment, consistent monitoring of disease activity is recommended. Established composite and individual disease activity measures often cannot be computed due to missing laboratory values. Simplified measures that can be calculated without a lab value have been developed and previous studies have validated these new measures, yet differences in their performance compared with established measures remain. Therefore, the g

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Oughanem, Rezki. "Étude multi-échelles des courbes de désaturation capillaire par tomographie RX." Phd thesis, INSA de Lyon, 2013. http://tel.archives-ouvertes.fr/tel-00980511.

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L'injection de tensioactifs est une méthode très appliquée dans le domaine de la récupération améliorée des hydrocarbures. Cependant, son efficacité repose sur la capacité de ces agents chimiques à mobiliser l'huile résiduelle en diminuant la tension interfaciale entre l'huile et l'eau. Des modèles à l'échelle du réservoir calculent l'efficacité de la récupération d'huile résiduelle par injection de solutions contenant des tensioactifs. Les mécanismes physiques pris en compte dans les modélisations font intervenir la physico-chimie du système roche-fluide et une courbe globale donnant la satur

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Belattar, Adel. "Analyses multi-échelles du comportement et la durée de vie d’aciers inoxydables 304L sous sollicitations cycliques avec pré-écrouissage." Thesis, Rouen, INSA, 2013. http://www.theses.fr/2013ISAM0004/document.

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Le travail s’intéresse aux effets d’un pré-écrouissage cyclique axial ou en torsion sur le comportement cyclique et la durée de vie en fatigue sous sollicitation axiale à température ambiante d’un acier inoxydable austénitique 304L. Les essais cycliques séquentiels à amplitude de déformation croissante ou décroissante montrent que la courbe cyclique du 304L est non-unique. Cette caractéristique est liée à la persistance de l’état microstructural généré pendant les cycles d’amplitude de déformation maximale de la première séquence. En augmentant le nombre des séquences, l’acier 304L montre une

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Charru, Marie. "LA PRODUCTIVITÉ FORESTIÈRE DANS UN ENVIRONNEMENT CHANGEANT : CARACTÉRISATION MULTI-ÉCHELLE DE SES VARIATIONS RÉCENTES À PARTIR DES DONNÉES DE L’INVENTAIRE FORESTIER NATIONAL (IFN) ET INTERPRÉTATION ENVIRONNEMENTALE." Thesis, Paris, AgroParisTech, 2012. http://www.theses.fr/2012AGPT0027/document.

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Des changements de croissance ont été documentés pour le XXe siècle dans de nombreuses régions en Europe. Cependant une évaluation exhaustive des changements de productivité, à une large échelle géographique, avec une analyse de leur hétérogénéité spatiale et de la diversité interspécifique de la réponse fait encore défaut. L'objectif de cette thèse est d'évaluer les changements récents de la productivité forestière aux échelles nationale, régionale et locale en France, et de rechercher leurs causes environnementales, à partir d'une approche de modélisation statistique de l'accroissement en su

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Hakala, Tim. "Settling-Time Improvements in Positioning Machines Subject to Nonlinear Friction Using Adaptive Impulse Control." BYU ScholarsArchive, 2006. https://scholarsarchive.byu.edu/etd/1061.

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A new method of adaptive impulse control is developed to precisely and quickly control the position of machine components subject to friction. Friction dominates the forces affecting fine positioning dynamics. Friction can depend on payload, velocity, step size, path, initial position, temperature, and other variables. Control problems such as steady-state error and limit cycles often arise when applying conventional control techniques to the position control problem. Studies in the last few decades have shown that impulsive control can produce repeatable displacements as small as ten nanomete

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Ciomber, Isabelle, and Roland Jakel. "Systematic Analysis and Comparison of Stress Minimizing Notch Shapes : Obtaining a stress concentration factor of Kt=1 without FEM-Code." Universitätsbibliothek Chemnitz, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-141533.

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Als Stand der Technik sind einfache, kreisförmige Verrundungen zur Reduktion von Kerbspannungen an Querschnittsübergängen bekannt, für die aus Tabellenwerken / Diagrammen in der Literatur die Formzahl einfach abgelesen werden kann. Die Effizienz der Spannungsreduktion solcher Lösungen ist jedoch sehr begrenzt. Ziel der Arbeit ist es daher, dem Konstrukteur bzw. Berechnungsingenieur ein Verfahren in die Hand zu geben, mit dem er für Standardquerschnittsübergänge und Standardlastfälle "Nicht-Kreiskerben" ohne teure und zeitaufwendige FEM-Analyse einfach durch Nutzung geeigneter Formzahldiagramme

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Jakel, Roland. "Grundlagen der Elasto-Plastizität in Creo Simulate - Theorie und Anwendung." Universitätsbibliothek Chemnitz, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-87141.

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Der Vortrag beschreibt die Grundlagen der Elasto-Plastizität sowie die softwaretechnische Anwendung mit dem FEM-Programm Creo Simulate bzw. Pro/MECHANICA von PTC. Der erste Teil des Vortrages beschreibt die Charakteristika plastischen Verhaltens, unterschiedliche plastische Materialgesetze, Fließkriterien bei mehrachsiger Beanspruchung und unterschiedliche Verfestigungsmodelle. Im zweiten Vortragsteil werden Möglichkeiten und Grenzen der Berechnung elasto-plastischer Probleme mit der Software dargestellt sowie Anwendungstipps gegeben. Im dritten Vortragsteil schließlich werden verschiedene Bei

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Fang, Meng-Long, and 方孟隆. "Synthesis of multi-planar mechanism for a spatial curve." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/11598609180954745332.

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碩士<br>國立中興大學<br>機械工程學系<br>93<br>It is difficult to generate a three dimensional mechanism for a spatial curve directly. However, there are many planar mechanisms for planar curves available as well as there are many synthesis methods to modify planar mechanism, so that it is not so difficult to generate a planar mechanism for a planar curve. Therefore, it is very worth synthesizing planar mechanisms into a three dimensional mechanism for a spatial curve. An available synthesis method to generate a three dimensional mechanism for a spatial curve by projecting the spatial curve to any two unp

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Huang, Wei-chung, and 黃維崇. "Research on Multi-Curve Buckling Restrained Brace without Lateral Support." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/65956200777328013663.

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碩士<br>逢甲大學<br>土木工程所<br>97<br>Recently, engergy absorption and base isolation technolgies in seismic mitigation for structures have been developed to resist earthquakes. Many studies on structural control methods and devices have been unfolded. Different control methods and devices have their own merits and deficiencies. The advanced BRBs proposed in this study include the new multi-curve buckling restrained brace without the lateral support and new multi-curve buckling restrained brace with lateral support. The advanced BRBs were made of the steel material without debonding material or mortart

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"Multi-sample analysis of latent curve models with longitudinal latent variables." 2011. http://library.cuhk.edu.hk/record=b5894534.

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Chen, Qiuting.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 2011.<br>Includes bibliographical references (leaves 71-74).<br>Abstracts in English and Chinese.<br>Chapter 1 --- Introduction --- p.1<br>Chapter 1.1 --- Overview --- p.1<br>Chapter 1.2 --- Bayesian Approach --- p.3<br>Chapter 1.3 --- Outline of the thesis --- p.5<br>Chapter 2 --- Model Descriptions --- p.6<br>Chapter 2.1 --- Basic Latent Curve Models --- p.6<br>Chapter 2.2 --- Latent Curve Models with Exogenous Latent Variables --- p.8<br>Chapter 2.3 --- Latent Curve Models with both Exogenous Variables and Longitudi

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