Searched for: subject%3A%22error%255C-analysis%22
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Kerkhove, Casper (author)
The recent success of - and demand for - compliant mechanisms has increased rapidly within the micro-electromechanical systems-, aircraft-, spacecraft-, surgical-, and precision-instrument industries. Yet, even greater success may be achieved by overcoming the computational cost and instability of the mechanisms' design methodology. This...
master thesis 2023
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Lin, Zhaofeng (author), Patel, T.B. (author), Scharenborg, O.E. (author)
Whispering is a distinct form of speech known for its soft, breathy, and hushed characteristics, often used for private communication. The acoustic characteristics of whispered speech differ substantially from normally phonated speech and the scarcity of adequate training data leads to low automatic speech recognition (ASR) performance. To...
conference paper 2023
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Schouhamer Immink, Kees A. (author), Weber, J.H. (author)
We consider noisy communications and storage systems that are hampered by varying offset of unknown magnitude such as low-frequency signals of unknown amplitude added to the sent signal. We study and analyze a new detection method whose error performance is independent of both unknown base offset and offset's slew rate. The new method...
journal article 2022
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Mahmoud, A.N.N. (author), Vanderveken, Frederic (author), Ciubotaru, Florin (author), Adelmann, Christoph (author), Hamdioui, S. (author), Cotofana, S.D. (author)
By their very nature Spin Waves (SWs) enable the realization of energy efficient circuits, as they propagate and interfere within waveguides without consuming noticeable energy. However, SW computing can be even more energy efficient by taking advantage of the approximate computing paradigm as many applications, e.g., multimedia and social...
journal article 2022
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Kazaz, T. (author), Romme, J.P.A. (author), Janssen, G.J.M. (author), van der Veen, A.J. (author)
The presence of rich scattering in indoor and urban radio propagation scenarios may cause a high arrival density of multipath components (MPCs). Often the MPCs arrive in clusters at the receiver, where MPCs within one cluster have similar angles and delays. The MPCs arriving within a single cluster are typically unresolvable in the delay domain....
conference paper 2021
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van den Berg, L. (author), van Loosdrecht, Mark C.M. (author), de Kreuk, M.K. (author)
Biofilm and granular sludge processes depend on diffusion of substrates. Despite their importance for the kinetic description of biofilm reactors, biofilm diffusion coefficients reported in literature vary greatly. The aim of this simulation study was to determine to what extent the methods that are used to measure diffusion coefficients...
journal article 2020
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Laverde Barajas, M.A. (author), Corzo Perez, G. A. (author), Chishtie, F. (author), Poortinga, A. (author), Uijlenhoet, R. (author), Solomatine, D.P. (author)
A spatiotemporal object-based rainfall analysis method is used to evaluate the hydrological response of two systematic satellite error sources for storm estimation in the Capivari catchment, Brazil. This method is called Spatiotemporal Contiguous Object-based Rainfall Analysis (ST-CORA) specifically evaluates the error structure of satellite...
journal article 2020
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Mastrantonas, Nikolaos (author), Bhattacharya, Biswa (author), Shibuo, Yoshihiro (author), Rasmy, Mohamed (author), Espinoza-Dávalos, Gonzalo (author), Solomatine, D.P. (author)
After the launch of the Global Precipitation Measurement (GPM) mission in 2014, many satellite precipitation products (SPPs) are available at finer spatiotemporal resolution and/or with reduced latency, potentially increasing the applicability of SPPs for near-real-time (NRT) applications. Therefore, there is a need to evaluate the NRT SPPs...
journal article 2019
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Thota Radhakrishnan, A.K. (author), van Lier, J.B. (author), Clemens, F.H.L.R. (author)
The much over-looked element in new sanitation, the transport systems which bridge the source and treatment facilities, is the focus of this study. The knowledge of rheological properties of concentrated domestic slurry is essential for the design of the waste collection and transport systems. To investigate these properties, samples were...
journal article 2018
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Khuntia, S.R. (author), Rueda, José L. (author), van der Meijden, M.A.M.M. (author)
Load forecasting is considered vital along with many other important entities required for assessing the reliability of power system. Thus, the primary concern is not to forecast load with a novel model, rather to forecast load with the highest accuracy. Short-term load forecast accuracy is often hindered due to various load impacting factors....
conference paper 2016
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Rathore, P. (author)
The use of global precipitation datasets such as TRMM, WFD etc. for data scarce regions is gaining popularity since they provide forcing input for hydrological models. They make up for the lack of ground based data or the poor quality of whatever is available in many parts of the world. Using these datasets would be perfect if they were free of...
master thesis 2014
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Goto, D.T. (author), Groves, R.M. (author)
This paper describes the development of an opto-mechanical simulation of a complete shearography system, including the shearography instrument, the samples and the test environment. This simulation is applied to the measurement of 3D strains in engineering samples. The samples are a cylinder loaded by internal pressure and a flat plate under...
conference paper 2010
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Goto, D.T. (author), Groves, R.M. (author)
This paper is concerned with the development of a calibrated 3D shearography strain measurement instrument, calibrated iteratively, using a combined mechanical-optical model and specially designed test objects. The test objects are a cylinder loaded by internal pressure and a flat plate under axial load. Finite element models of the samples,...
conference paper 2010
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Goto, D.T. (author), Groves, R.M. (author)
This paper describes the development of an opto-mechanical simulation of a complete shearography system, including the shearography instrument, the samples and the test environment. This simulation is applied to the measurement of 3D strains in engineering samples. The samples are a cylinder loaded by internal pressure and a flat plate under...
conference paper 2010
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Van Hemert, P. (author), Bruining, H. (author), Rudolph, E.S.J. (author), Wolf, K.H.A.A. (author), Maas, J.G. (author)
An improved version of the manometric apparatus and its procedures for measuring excess sorption of supercritical carbon dioxide are presented in detail with a comprehensive error analysis. An improved manometric apparatus is necessary for accurate excess sorption measurements with supercritical carbon dioxide due to the difficulties associated...
journal article 2009
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Schrama, E.J.O. (author), Wouters, B. (author), Lavallée, D.A. (author)
The Gravity Recovery and Climate Experiment (GRACE) product used for this study consists of 43 monthly potential coefficient sets released by the GRACE science team which are used to generate surface mass thickness grids expressed as equivalent water heights (EQWHs). We optimized both the smoothing radius and the level of approximation by...
journal article 2007
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Ern, A. (author), Stephansen, A.F. (author)
We present a residual a posteriori error estimate for the anisotropic advection diffusion equation with continuous or discontinuous diffusion tensor. Our numerical results show that the adapted mesh based on the residual is more refined in the region where anisotropy and heterogeneity effects create diffculties for the numerical solution.
conference paper 2006
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Ern, A. (author), Meunier, S. (author), Nicolas, G. (author)
This work is concerned with the analysis of a non-stationary Hydro-Mechanical problem. The well-posedness of the continuous, time semi-discretized and fully discretized problems is addressed. An a posteriori error analysis is performed, leading to a family of space-time error indicators. The reliability of this family, i.e. a global upper bound...
conference paper 2006
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Mathelin, L. (author), Le Maitre, O.P. (author)
Accounting for uncertainty in numerical simulations is a growing concern and a great deal of methods have recently been developed, such as the Polynomial Chaos which basically consists in a spectral approximation of the surface response of the solution by stochastic finite elements. However, criteria for refinement of the spectral space have so...
conference paper 2006
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Hanssen, R.F. (author)
doctoral thesis 2001
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