Tesis sobre el tema "Calibration of solutions"
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Morini, Massimiliano. "Free-discontinuity problems: calibration and approximation of solutions". Doctoral thesis, SISSA, 2001. http://hdl.handle.net/20.500.11767/3923.
Texto completoMadgwick, Sebastian O. H. "AHRS algorithms and calibration solutions to facilitate new applications using low-cost MEMS". Thesis, University of Bristol, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.681552.
Texto completoMajer, Günter y Klaus Zick. "Calibration of the diffusion coefficients of the FCS standard Rhodamine 6G (Rh6G) in aqueous solutions". Universitätsbibliothek Leipzig, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-198396.
Texto completoMajer, Günter y Klaus Zick. "Calibration of the diffusion coefficients of the FCS standard Rhodamine 6G (Rh6G) in aqueous solutions". Diffusion fundamentals 24 (2015) 34, S. 1, 2015. https://ul.qucosa.de/id/qucosa%3A14549.
Texto completoPetrescu, Tudor Gabriel. "Systèmes de numérisation hautes performances : etude des solutions à bancs de filtres hybrides : caractérisation et optimisation". Paris 11, 2006. http://www.theses.fr/2006PA112035.
Texto completoThis PhD thesis deals with a technique allowing to increase the speed of Analog to Digital Converters (ADC). Parallel structures together with Hybrid Filter Banks (HFB) were designed. Synthesis methods of HFB that take into account analog filters implementation constraints were conceived. Some optimization methods of the synthesis procedures were also proposed. The effect of the quantization noise of a branch quantizer on the HFB output was studied through theoretical estimations strengthened by simulations. The effect of finite word implementation of synthesis filters coefficients was also studied. A theoretical estimation of the noise introduced by coefficient quantization was given. Simulations confirming this theoretical estimation were performed. The hybrid nature of HFB generates analog implementation problems. One of the most important challenges in designing HFB was identified: the dramatic performance degradation in the presence of small analog filters implementation errors. Consequently, readjustment of synthesis filters coefficients after physical implementation of the analysis bank appears as mandatory and a calibration method was also proposed
Wiberg, Kent. "Multivariate spectroscopic methods for the analysis of solutions". Doctoral thesis, Stockholm : Institutionen för analytisk kemi, Univ, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-110.
Texto completoCilici, Florent. "Développement de solutions BIST (Built-In Self-Test) pour circuits intégrés radiofréquences/millimétriques". Thesis, Université Grenoble Alpes (ComUE), 2019. http://www.theses.fr/2019GREAT072.
Texto completoRecent silicon technologies are especially prone to imperfections during the fabrication of the circuits. Process variations can induce a noticeable performance shift, especially for high frequency devices. In this thesis we present several contributions to tackle the cost and complexity associated with testing mm-wave ICs. In this sense, we have focused on two main topics: a) non-intrusive machine learning indirect test and b) one-shot calibration. We have in particular developed a generic method to implement a non-intrusive machine learning indirect test based on process variation sensors. The method is aimed at being as automated as possible and can be applied to virtually any mm-wave circuit. It leverages the Monte Carlo models of the design kit and the BEOL variability information to propose a set of non-intrusive sensors. Low frequency measurements can be performed on these sensors to extract signatures that provide relevant information about the process quality, and consequently about the device performance. The method is supported by experimental results in a set of 65 GHz PAs designed in a 55 nm technology from STMicroelectronics. To further tackle the performance degradation induced by process variations, we have also focused on the implementation of a one-shot calibration procedure. In this line, we have presented a two-stage 60 GHz PA with one-shot calibration capability. The proposed calibration takes advantage of a novel tuning knob, implemented as a variable decoupling cell. Non-intrusive process monitors, placed within the empty spaces of the circuit, are used for predicting the best tuning knob configuration based on a machine learning regression model. The feasibility and performance of the proposed calibration strategy have been validated in simulation
Durusu, Deniz. "Camera Controlled Pick And Place Application With Puma 760 Robot". Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/2/12606759/index.pdf.
Texto completoPetrescu, Tudor. "SYSTEMES DE NUMERISATION HAUTES PERFORMANCES- Etude des solutions à bancs de filtres hybrides -- Caractérisation et optimisation -". Phd thesis, Université Paris Sud - Paris XI, 2006. http://tel.archives-ouvertes.fr/tel-00274217.
Texto completoChung, Edgar N. 1977. "A cost effective ATE calibration/verification solution". Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/86290.
Texto completoIncludes bibliographical references (leaves 64-65).
by Edgar N. Chung.
S.B.and M.Eng.
Salazar-Garibay, Adan. "Une approche directe pour l'auto-calibration des caméras catadioptriques omnidirectionnelles centrales". Phd thesis, École Nationale Supérieure des Mines de Paris, 2011. http://pastel.archives-ouvertes.fr/pastel-00645697.
Texto completoBakulina, Alena [Verfasser] y Reinhard [Akademischer Betreuer] Männer. "Automated ultrasound calibration solution for the Ultrasound Fracture Analysis Scanning System / Alena Bakulina ; Betreuer: Reinhard Männer". Heidelberg : Universitätsbibliothek Heidelberg, 2016. http://d-nb.info/1180615700/34.
Texto completoLEGRAMANDI, ANDREA. "Supergravity solution classifications through bispinors". Doctoral thesis, Università degli Studi di Milano-Bicocca, 2020. http://hdl.handle.net/10281/257788.
Texto completoThis thesis focuses on classification of supergravity solutions in ten and eleven dimensions. By imposing supersymmetry, supergravity reveals a plethora of elegant geometric structures which can be defined from the fermionic supersymmetry parameters. Such geometrical data are called bispinors and are the central topic of this thesis. In the first part we explore how it is possible to exploit bispinors in order to get a more elegant reformulation of background supersymmetry conditions. This discussion is performed in a general context without assuming any factorization of space-time. The bispinor framework allows to interpret many of the new supersymmetry equations as calibration conditions for sources, where a calibration is a differential form which detects branes with minimal energy. We also discuss the connection between calibrations and BPS bound and we provide a definition of central charges in purely gravitational terms. Aside from these formal results, probably the main achievement of the bispinor formalism is that it drastically simplifies the task of classifying supergravity solutions. After discussing how to apply these techniques to two-dimensional AdS and four-dimensional Minkowski backgrounds, we perform a complete classification in both type II supergravity and M-theory of four-dimensional Minkowski solutions preserving N = 2 supersymmetry with SU(2) R-symmetry geometrically realized by a round sphere factor in the internal space. For the various cases of the classification, the problem of finding supersymmetric solutions can be reduced to a system of partial differential equations. These cases often accommodate systems of intersecting branes and higher-dimensional anti-de-Sitter solutions. Moreover we show that, using chains of dualities, all solutions can be generated from one of two master classes: an SU(2)-structure in M-theory and a conformal Calabi–Yau in type IIB. In the last part of the thesis, we show that it is possible to relax some of the bispinor equations and generalizing all the classification to a larger non-supersymmetric context.
Neufeld, Roman. "DOSY External Calibration Curve Molecular Weight Determination as a Valuable Methodology in Characterizing Reactive Intermediates in Solution". Doctoral thesis, Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2016. http://hdl.handle.net/11858/00-1735-0000-0028-8713-A.
Texto completoBachmann, Sebastian. "Estimating Molecular Weights of Organometallics in Solution with Diffusion NMR Techniques". Doctoral thesis, Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2017. http://hdl.handle.net/11858/00-1735-0000-0023-3DF9-7.
Texto completoNeufeld, Roman [Verfasser], Dietmar [Akademischer Betreuer] Stalke y Sven [Akademischer Betreuer] Schneider. "DOSY External Calibration Curve Molecular Weight Determination as a Valuable Methodology in Characterizing Reactive Intermediates in Solution / Roman Neufeld. Betreuer: Dietmar Stalke. Gutachter: Dietmar Stalke ; Sven Schneider". Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2016. http://d-nb.info/1095884182/34.
Texto completoHusson, Dorothée. "Vers une calibration astronomique du Crétacé : le cas du Maastrichtien (Crétacé supérieur) et de la limite Crétacé-Paléogène". Phd thesis, Université Pierre et Marie Curie - Paris VI, 2010. http://tel.archives-ouvertes.fr/tel-00815386.
Texto completoBjörkén, Gustaf. "Mjukvara för mätning av etanolhalt i våt- och torrgas". Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-230619.
Texto completoAt the National Forensic Centre (NFC) in Linköping, annually calibration is done of the evidence tools used in conjunction with traffic sobriety controls in Sweden, Norway and Finland. During the calibration a simulator solution, which is prepared internally at NFC, is used. The ethanol content of the simulator solution is checked by using a reference instrument situated at NFC. During the last years, a new reference instrument has been developed which will replace the existing. Throughout developing the new reference instrument, the focus has been to create a hardware as good as possible and less time has been spent on software development. The purpose of this study is to develop a central software, to the new reference instrument, for handling the measurement of ethanol content in hydrogen and dry gas. A central software simplifies and streamlines the work, in the group for alcohol exhalation at NFC, by selectable types of measurements be able to execute through one interface. The study begins with a literature study in order to gain a good understanding of the area of alcohol exhalation, focusing on the use of the reference instrument. In parallel with the literature study a preliminary study is conducted, where parts of the existing software is observed, conceptual requirements for the new software are made and a first version is developed. After the literature study and preliminary study, further development of the software is based on an iterative system development model in close interaction with the contact person, as well as, the requirements specifier at NFC. The study has resulted in a software, for the new reference instrument, which handles the measurement of ethanol content in hydrogen and dry gas. The software is developed with the Model-View Controller architecture in Java programming language. The developed software consists of a graphical user interface with functionality, inter alia, for performing different types of measurements of ethanol in hydrogen and dry gas, as well as functionality for displaying read and calculated values both as text and in graphs. The software also consists of configuration files for storing default values, csv-files for storing measurement values and sample results associated with measurements and also log files for recording important events.
Štork, Zbyněk. "Term Structure of Interest Rates: Macro-Finance Approach". Doctoral thesis, Vysoká škola ekonomická v Praze, 2010. http://www.nusl.cz/ntk/nusl-125158.
Texto completoLvovschi, Virginie-Eve. "Titration morphinique inhalée aux Urgences : modernisation de la prise en charge des douleurs sévères de l'adulte Targeting moderate pain in healthy volunteers by individual calibration of a nociceptive flexion reflex model Proposer un "modèle" de douleur provoquée par Electromyogramme pour optimiser les outils antalgiques aux urgences Nebulized versus intravenous morphine titration for the initial treatment of severe acute pain in the emergency department : study protocol for a multicenter, prospective randomized and controlled trial, CLIN-AEROMORPH Inhaled versus intravenous opioid dosing for the initial treatment of severe acute pain in the emergency department : pharmacological intermediate results of the CLIN-AEROMORPH french study Toward new eligibility criteria for ontravenous morphine in the French Emergency Department : Evaluation of physicians' bedside rationalization of opioid titration protocols Analysis of bedside determinisms leading to under-prescription of morphine titration in the Emergency Department : EPIMORPH study Medico-economic study of pain in an emergency department : a targeted literature review Opioid reflex at triage is not a solution for opioid-naive patients in emergency departments A systemic approach to complete the multimodal assessment model of pain Intravenous morphine titration to treat severe pain in the ED Morphine consumption is not modified in patients with severe pain and classified by the DN4 score as neuropathic Prise en charge de la douleur aiguë spontanée de l'adulte aux urgences". Thesis, Normandie, 2020. http://www.theses.fr/2020NORMR013.
Texto completoOur goal was to optimize the management of severe acute pain in emergency medicine. Intravenous morphine titration, which is currently the referent method, must be modernised to meet the new challenges of practice while at the same time, we must keep guaranteeing an unchanged risk-benefit balance in the fight against oligoanalgesia. Our work, described in this thesis, has been a cornerstone for the evaluation of a nebulized alternative solution to emergencies through 3 clinical studies, (AEROMORPH1, CLIN-AEROMORPH, EPIMORPH), and study of its contextualisation in literature. Work in healthy volunteers allowed us to establish a simple and accessible procedure for aerosol, of short duration (5 min), which can be repeated in titration procedures (every 10 min). Its feasibility is likely to be confirmed on our multicentre clinical study at a large scale and its efficacy, by a non-inferiority design of study is being evaluated. Pharmacological data in healthy volunteers and in patients confirm a blood morphine concentration close to the effective blood concentrations observed by intravenous administration (CLIN-AEROMORPH: 1-20 ng/ml), which is already a positive result demonstrated by our work. Moreover, regarding eligibility, our observational study, combined to a experiment about decision mechanisms, combined with the analysis of medico-economic data in literature, suggest the need to base its indication on more than just the simple VAS/NRS assessment at triage. In this work we showed that emergency practitioners’ practice today underlines their lack of adherence to the systematic initiation of intravenous morphine titration by patient self-assessment of severe pain (compliance with SFMU criteria 6 to 20%, re-assessment of VAS/NRS scores 61%). If nebulized morphine titration is only proposed as a starter for morphine titration without modernising the algorithms for opiate prescription decision in emergency protocols, it is likely that this new therapeutic proposal will only solve part of the current problem. Targeted pharmacological management, as individualised as possible, is more relevant than ever, with prescription of morphine titration according to the patient's typology, in addition to prioritisation by pain typology. By developing an original pain model in healthy volunteers, we have also highlighted profiles of "pain sensitive" and "enduring" patients, according to neurophysiological and biochemical data, that are certainly represented in daily clinical practice. Therefore, all these components should be taken into account to improve pain management in emergency medicine, with a more systemic vision and more dedicated studies using innovative evaluation methods, combining robust quantitative criteria with comprehensive qualitative criteria
Vasconcelos, Francisco Porto Guerra e. "Minimal Solutions to Geometric Problems with Multiple Cameras or Multiple Sensor Modalities". Doctoral thesis, 2016. http://hdl.handle.net/10316/28374.
Texto completoThis thesis addresses minimal problems that involve multiple cameras or a combination of cameras with other sensors, particularly focusing on four cases: extrinsic calibration between a camera and a laser rangefinder (LRF); full calibration of an ultrasound array (US) with a camera; full calibration of a camera within a calibrated network; relative pose between axial systems. The first problem (LRF-Camera) is highly important in the context of mobile robotics in order to fuse the information of an LRF and a Camera in localization maps. The second problem (US-Camera) is becoming increasingly relevant in the context of medical imaging to perform guided intervention and 3D reconstruction with US probes. Both these problems use a planar calibration target to obtain a minimal solution from 3 and 4 correspondences respectively. They are formulated as the registration between planes detected by the camera and lines detected by either the LRF or the US. The third problem (Camera-Network) is concerned with two application scenarios: addition of a new camera to a calibrated network, and tracking of a hand-held camera within the field of view of a calibrated network. The last problem (Axial System) has its main application in motion estimation of stereo camera pairs. Both these problems introduce a 5-dimensional linear subspace to model line incidence relations of an axial system, of which a pair of calibrated cameras is a particular example. In the Camera-Network problem a generalized fundamental matrix is derived to obtain a 11-correspondence minimal solution. In the Axial System problem a generalized essential matrix is derived to obtain a 10-correspondence non-minimal solution. Although it should be possible to solve this last problem with as few as 6 correspondences, the proposed solution is the closest to minimal in the literature. Additionally this thesis addresses the use of the RANSAC framework in the context of the problems mentioned above. While RANSAC is the most widely used method in computer vision for robust estimation when minimal solutions are available, it cannot be applied directly to some of the problems discussed here. A new framework -- multi-RANSAC -- is presented as an adaptation of RANSAC to problems with multiple sampling datasets. Problems with multiple cameras or multiple sensors often fall in this category and thus this new framework can greatly improve their results. Its applicability is demonstrated in both the US-Camera and the Camera-Network problems.
Esta tese aborda os problemas mínimos no contexto de visão por computador, isto é, problemas com o mesmo número de restrições e de parâmetros desconhecidos, para os quais existe um conjunto finito e discreto de soluções. A tese foca-se em particular nos seguintes problemas: calibração extrínseca entre uma câmara e um sensor laser rangefinder (LRF); calibração completa de uma sonda ultrasom (US) com uma câmara; calibração completa de uma câmara dentro de uma rede calibrada; estimação de pose relativa entre sistema axiais. O primeiro problema (LRF-Camera) é extremamente importante no contexto de robótica móvel para fundir a informação de um sensor LRF e uma câmara em mapas de localização. O segundo problema (US-Camera) está-se a tornar cada vez mais relevante no contexto de imagiologia médica para realizar intervenções guiadas e reconstrução 3D com sondas ecográficas. Ambos os problemas usam um alvo de calibração planar para obter uma solução mínima usando 3 e 4 correspondências respectivamente, e são formulados como o registo 3D entre planos detectados pela câmara e linhas detectadas pelo LRF ou US. O terceiro problema (Camera-Network) tem duas aplicações em mente: a introdução de uma nova câmara numa rede calibrada, e o seguimento de uma câmara guiada manualmente dentro do campo de visão de uma rede calibrada. O último problema (Axial System) tem a sua maior aplicação na estimação de pose relativa entre pares de câmaras estéreo. Em ambos os problemas é introduzido um subespaço linear em 5 dimensões que modela as relações de incidência de linhas num sistema axial, do qual as câmaras estéreo são um caso particular. No problema Camera- Network é introduzida uma generalização da matriz fundamental que permite obter uma solução mínima com 11 correspondências. No problema Axial System é introduzida uma generalização da matrix essencial que permite obter uma solução não mínima com 10 correspondências. Apesar de ser possível, em teoria, resolver este último problema com apenas 6 correspondências, a solução apresentada nesta tese usa um menor número de correspondências que as alternativas existentes. Adicionalmente esta tese aborda o uso de RANSAC no contexto dos problemas anteriormente descritos. O RANSAC é o estimador robusto mais utilizado em visão por computador quando existem soluções mínimas para um determinado problema, no entanto não pode ser aplicado directamente em algumas das aplicações aqui descritas. Um novo método é proposto – multiset-RANSAC – que adapta o RANSAC para situações que envolvem a amostragem de múltiplos conjuntos de dados. Os problemas com múltiplas câmaras ou múltiplos sensores encontram-se mutas vezes nesta categoria, tornando o multiset-RANSAC numa ferramenta que pode melhorar bastante os resultados em alguns dos problemas focados nesta tese. A utilidade deste método é demonstrada nos problemas US-Camera e Camera-Network.
Freese, Margaret Helene. "Study of calibration line curvature in the analysis of solutions by X-ray fluorescence specrrometry". Thesis, 2015. http://hdl.handle.net/10210/14701.
Texto completoThe aim of this investigation was to study, and if possible, to correct curvature of calibration lines when solutions are analysed by X-ray fluorescence spectrometry. The two main metallic elements used for this purpose were copper and cadmium, with a short study of nickel, cobalt and iron. The concentration ranges investigated were from 0,01 % (rn/rn) to 10 % (rn/rn) in the solution sample ...
Momeya, Ouabo Romuald Hervé. "Les processus additifs markoviens et leurs applications en finance mathématique". Thèse, 2012. http://hdl.handle.net/1866/8471.
Texto completoThis thesis focuses on the pricing and hedging problems of financial derivatives in a Markov-modulated exponential-Lévy model. Such model is built on a Markov additive process as much as the Black-Scholes model is based on Brownian motion. Since there exist many sources of randomness, we are dealing with an incomplete market and this makes inoperative techniques initiated by Black, Scholes and Merton in the context of a complete market. We show that, by using some results of the theory of Markov additive processes it is possible to provide solutions to the previous problems. In particular, we characterize the martingale measure which minimizes the relative entropy with respect to the physical probability measure. Also under some conditions, we derive explicitly the optimal portfolio which allows an agent to minimize the local quadratic risk associated. Furthermore, in a more practical perspective we characterize the price of a European type option as the unique viscosity solution of a system of nonlinear integro-di erential equations. This is a rst step towards the construction of e ective numerical schemes to approximate options price.
Bauer, Florian Franziskus. "Radial velocities in low mass stars: improving the wavelength solution of astronomical spectrographs and understanding stellar noise". Doctoral thesis, 2016. http://hdl.handle.net/11858/00-1735-0000-0023-3F60-D.
Texto completoRoach, Lisa Aretha Nyala. "Temporal Variations in the Compliance of Gas Hydrate Formations". Thesis, 2012. http://hdl.handle.net/1807/44081.
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