Searched for: subject:"interpolation"
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Rajput, Pranjal (author)
Annotating a large-scale in-the-wild person re-identification dataset especially of marathon runners is a challenging task. The variations in the scenarios such as camera viewpoints, resolution, occlusion, and illumination make the problem non-trivial. Manually annotating bounding boxes in such large-scale datasets is cost-inefficient....
master thesis 2020
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Alinaghi, Pouriya (author)
In the well-known process of the turbine design, turbulence intensity (TI) plays a vital role in prediction of the power output and loads on the turbine's structure. TI is believed to be an important statistical parameter of the wind speed that can be extracted from the signals recorded by the dedicated sensors in the wind energy area. Despite...
student report 2020
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Kromhof, Oscar (author)
An analysis of curve interpolation with splines as a means to recover the curvature of a ordered set of discrete data points that originate from a closed smooth planar curve, in the context of the levelset method.
bachelor thesis 2020
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Roos, Paul (author)
IntroductionCardiovascular magnetic resonance imaging (CMR) is an imaging modality from which the structure, function, perfusion, and metabolism of the cardiovascular system can be evaluated, which is essential in acquired and congenital cardiovascular disease (CVD). CMR can improve the outcomes of CVD during long term follow-up. 4D Flow MRI is...
master thesis 2020
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Alhoz, K. (author), Kenesei, K. (author), Papageorgiou, M. (author), Keurentjes, E.E.M. (author), de Jong, M. (author)
The outcome of the project has been successful from the interpolation perspective, where the final results<br/>have shown major improvements over the original rasters, and a multitude of possible other interpo-<br/>lation methods have shown potential. In the end, the algorithm used to create the gridded DTM was<br/>based on Startin’s Laplace...
student report 2020
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Mandal, Rajarshi (author)
The project focuses on developing and implementing a 0D or 1D model for radial compressors and turbines, capable of both interpolating and extrapolating the performance maps. The proposed model will be calibrated using the data points available in the maps provided by the manufacturers to produce accurate mass flow for turbines and pressure...
master thesis 2019
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van den Boom, Eddo (author)
Symmetric and nonsymmetric Macdonald polynomials associated to root systems are very general families of orthogonal polynomials in multiple variables. Their definition is quite complex, but in certain cases one can define so-called interpolation polynomials that have a surprisingly simple definition and are related to the Macdonald polynomials...
master thesis 2019
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Fatou Gomez, Javier (author)
The computation of complex turbulent flows design optimization processes is currently limited by the lack of accuracy of Reynolds-Averaged Navier-Stokes (RANS) in massively separated flows and the infeasible cost of multiple Large-Eddy Simulation (LES) evaluations. A novel method is presented, injecting data from LES or other high-fidelity...
master thesis 2018
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Konidala, Geetha Krishna (author)
Compositional flow simulation is the best practise to model the complex enhanced oil recovery process. This involves solving highly coupled and non linear flow, transport equations.<br/>Interaction of components within different phases and the fluid interaction with rock properties makes it difficult to accurately predict the natural flow...
master thesis 2018
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Giri, Amitava (author)
In 5G transmitters, high efficiency, high linearity, and compatibility with MIMO and beamforming techniques are of utmost importance. Typically, enhancement techniques like supply modulation or load modulation are used when dealing with envelope modulated communication signals, which increasingly have high peak-to-average-power ratios (PAPR)....
master thesis 2018
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Huigsloot, Menno (author)
High performance machines such as those used in the semiconductor industry, robotics or racing engines have lots of fast moving parts. The dynamic properties of these moving parts are crucial to the performance of the machine. Therefore these moving parts have to be carefully designed which is often a very time consuming iterative process. In...
master thesis 2018
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Madan, Aryaman (author)
In various propulsion and power systems, modeling of non-ideal fluid flows (fluids that depart from ideal gas behaviour), presents a great challenge. For example, in organic rankine cycle (ORC) turbines, where a part of the expansion process occurs close to the vapour saturation curve, the flow deviates highly from ideal behavior. A branch of...
master thesis 2018
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Uribe Jaramillo, Julian (author)
The non-linear Fourier transform may be considered an extension of Fourier analysis to non-linear problems. It has applications in many different scientific and engineering disciplines, for instance as a solution to the non-linear Schrödinger equation which describes how electro-magnetic waves travel through ideal non-linear media. Hence, the...
master thesis 2018
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Kootte, Marieke (author)
A Regional Climate Model (RCM) is a comprehensive tool to<br/>simulate high-resolution climatic factors. A RCM is driven<br/>by low resolution data obtained from a Global Climate Model<br/>(GCM). In the one-way nested method, is the GCM data fed<br/>into the RCM as a Lateral Boundary Condition (LBC) in certain<br/>updates in time, the boundary...
master thesis 2017
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Verbraeck, Annemieke (author)
We present a fast and accurate general relativity raytracing algorithm to visualise the distortion of space around a fast spinning Kerr black hole, as seen from a position nearby. Different parallel numerical ray integration methods were tested to solve this problem. An adaptive grid of rays, stored in efficient data structures with fast access,...
master thesis 2017
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Buijs, L. (author), Hoogelander, M. (author)
In this work, a switched-device power amplier using bias control is designed and realized. The PA operates at a frequency of 100MHz. Test results show that the PA achieves a PAE of 63% at −6dB power back-off and 60% at the peak output power of 40dBm. First, an overview of the state-of-the-art PA technology and performance in high PAPR...
bachelor thesis 2017
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Macarulla Rodriguez, Andrea (author)
Google Location History Timeline could be used in the future to track mobile devices of users with a Google account. The Department of Forensic Digital Technology in the Netherlands Forensic Institute might consider using it as available data for evidence in its investigations. A part of this research is to assess the accuracy of the locations...
master thesis 2017
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González Puerta, A. (author)
The role of traditional entry guidance systems is to ensure that the vehicle is brought from a nominal entry interface point (EIP) to the neighborhood of a designated landing site at an acceptable energy state. Such systems are designed in such a way that the landing site can be safely reached even if off-nominal conditions are present at the...
master thesis 2017
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Feng, Jun (author), Louwerse, Alexander (author)
The objective of the bachelor graduation project detailed in this thesis is the development of a system suited for testing radio frequency (RF) power amplifiers (PAs). This PA test system is in particular set up for testing two-transistor interpolating-supply amplifiers.<br/>Interpolating-supply PAs are efficiency-enhanced by employing multiple...
bachelor thesis 2017
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Van der Graaf, S.C. (author)
master thesis 2016
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