Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 83 for “"mathematical methods"”.
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Mathematical Methods for Image Based Localization
… paper is devoted to large-scale localization. Methods from image retrieval are utilized, and extended, to be able to perform city-scale localization. Moreover geometry is directly incorporated in the retrieval stage.
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Mathematical methods for classifying fast radio bursts
The recent extragalactic discovery of Fast Radio Bursts (FRBs) has ignited a whirlwind of research, and numerous fundamental questions about them are being studied. This thesis delves into this field, aiming to bridge the gap in our exploration of FRB populations. The FRBs are cosmic transients …
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Mathematical methods for non-intrusive load monitoring
… This thesis presents algorithms that use methods from number theory and algebra to exploit additional constraints about a signal to aid in the calculation of its DFT. First, an algorithm is presented that estimates the DFT of an unquantized signal given only a quantized version of that …
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Mathematical methods for protein structural motif recognition
In this thesis, two algorithms for protein structural motif recognition are presented. A program is described which successfully recognizes the occurrence of the right-handed parallel 8-helix fold from protein sequence data alone. When run on sequences of unknown structure the program identifies …
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Fair and Interpretable Mathematical Methods for Prediction Models
Machine learning algorithms have expanded in recent years to encompass areas of high impact on people’s lives, such as health, finance, education, and justice. In these areas, there is a need to make decisions in a transparent, interpretable way and without bias or discrimination. This thesis …
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Mathematical Methods for the Approximation of Radar Traces
Most major airports collect recordings of the position of aircrafts at specific times. Those data typically requires extensive smoothing and corrections before it can be used for later analysis. Conventional smoothing approaches fail to model the movement physically correct, i.e. do not take …
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Mathematical methods for radio pulsar searching and applications
… with Euclid and Pythagoras formalizing the mathematical thought into axioms and the- orems that are still valid today. A major cornerstone, which consecrated the role of mathematics for our understanding of the universe, was the development of the sci- entific method, with Galileo Galilei …
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Bioimaging of animal embryogenesis: mathematical methods and computational algorithms
… design in this work a chain of image processing methods to automatically segment and track cells nuclei and membranes during the development of a zebrafish embryo, which has been largely validates as model organism to understand vertebrate development, gene function and healingrepair mechanisms …
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Risk management and solvency: mathematical methods in theory and practice
The paper gives a survey of the development status of the Solvency II process and compares several European standard models. Specific attention is given to the risk based German standard model developed by the GDV (German Insurance Association) and the BaFin (Federal Financial Supervisory …
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Mathematical methods in atomic physics = Métodos matemáticos en física atómica
Los problemas de dispersión de partículas, como son los de dos y tres cuerpos, tienen una relevancia crucial en física atómica, pues permiten describir diversos procesos de colisiones. Hoy en día, los casos de dos cuerpos pueden ser resueltos con el grado de precisión numérica que se desee. Los …
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Mathematical methods for the modelling of cell migration and chemotaxis
Numerical methods are developed for the study of cell migration and chemotaxis with specific focus on reaction-diffusion based models on moving domains. This thesis focuses building on the previous model of cell migration and chemotaxis introduced by Neilson et al [105]. It does this by introducing …
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Mathematical methods for the determination of surface tension effects on water waves
Includes bibliographical references.
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Re-Evaluating Performance Measurement: New Mathematical Methods to Address Common Performance Measurement Challenges
… This thesis explores and develops two new methods to address common challenges encountered in businesses across the world. The first method addresses the challenge of estimating the relative complexity of various tasks by utilizing the Pearson Correlation Coefficient to identify potentially …
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Resolving Cell Fate: Experimental, computational and mathematical methods in single cell transcriptomic analysis
… development of state of the art computational methods to study murine gastrulation and early organogenesis at a hitherto unprecedented granularity. A comprehensive analysis of FLK1+ cells harvested from gastrulating murine embryos was performed. In-silico reconstruction of pseudo-temporal and …
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Advanced controllers for building energy management systems. Advanced controllers based on traditional mathematical methods (MIMO P+I, state-space, adaptive solutions with constraints) and intelligent solutions (fuzzy logic and genetic algorithms) are investigated for humidifying, ventilating and air-conditioning applications.
… of the designs developed using the various methods based on aspects such as regulation errors squared, energy consumptions and the settling periods are investigated for different designs. The aim of the control strategy is to regulate the room temperature and the humidity to required comfort …
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Development of the analyser module for the MIDAS Data Acquisition System operating on the K600 magnetic spectrometer at iThemba LABS, Cape Town
… and a new analyser module is developed. The mathematical methods employed by the analyser are also reviewed and the final system is calibrated and tested against experimental data taken at iThemba LABS, Cape Town.
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The Mathematics behind Speciated Isotope Dilution Mass Spectrometry
… equations. This thesis explores multiple mathematical methods to solve SIDMS equations, and compares the properties of these solution methods. Simulation analysis is conducted to provide uncertainty estimates.
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HIGH-SPEED ROTOR TIP CLEARANCE MEASUREMENTS IN A TRANSONIC COMPRESSOR
… tip clearance measurement system to develop mathematical methods to post-process capacitive probe output signals for calibration and tip clearance measurements. The mathematical methods developed in this study are validated against the tip clearance measurement system manufacturer’s method, …
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Development and Acceleration of Parallel Chemical Transport Models
… simulations relies on future developments of mathematical methods and parallelization methods. Better mathematical methods allow simulations to more accurately model realistic processes and/or to run in a shorter amount of time. Parellization methods allow simulations to run in much shorter …
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Advanced Image Processing Methods for Automated Quantitative Microstructural Analysis
… previous results by using newer, advanced mathematical methods for image processing. The automated algorithm is compared to standard, manually produced results.
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