Searched for: subject%3A%22filtering%22
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Endo, A. (author), Yates, S.J.C. (author), Bueno, J. (author), Thoen, D.J. (author), Murugesan, V. (author), Baryshev, A.M. (author), Klapwijk, T.M. (author), Van der Werf, P.P. (author), Baselmans, J.J.A. (author)
We show the first experimental results which prove that superconducting NbTiN coplanar–waveguide resonators can achieve a loaded Q factor in excess of 800 in the 350 GHz band. These resonators can be used as narrow band pass filters for on-chip filter bank spectrometers for astronomy. Moreover, the low-loss coplanar waveguide technology provides...
journal article 2016
document
Sirmacek, B. (author), Lindenbergh, R.C. (author), Menenti, M. (author)
Fusion of 3D airborne laser (LIDAR) data and terrestrial optical imagery can be applied in 3D urban modeling and model up-dating. The most challenging aspect of the fusion procedure is registering the terrestrial optical images on the LIDAR point clouds. In this article, we propose an approach for registering these two different data from...
conference paper 2013
document
Mueller, F. (author), Schouten, R.N. (author), Brauns, M. (author), Gang, T. (author), Lim, W.H. (author), Lai, N.S. (author), Dzurak, A.S. (author), Van der Wiel, W.G. (author), Zwanenburg, F.A. (author)
We report the characterisation of printed circuit boards (PCB) metal powder filters and their influence on the effective electron temperature which is as low as 22 mK for a quantum dot in a silicon MOSFET structure in a dilution refrigerator. We investigate the attenuation behaviour (10 MHz–20 GHz) of filter made of four metal powders with a...
journal article 2013
document
Versteegh, M. (author)
There are situations in which the COS method for option pricing has relatively slow convergence as a consequence of the Gibbs phenomenon. This thesis focusses on various methods to improve the convergence rate of the so called spectral methods. Note that we are not just interested in an accurate recovery, but that we also want to be able to...
master thesis 2012
document
Kraus, M. (author), Van der Linden, R.A.M. (author), Bollen, B. (author)
Tributing to the GATE project by TNO, this application was designed to create an extra layer between the project and 3D modelling artists. New users are now able to place procedural content in their 3D worlds, without knowing much of the environment or programming. A general filter can be created to apply to the environment, without knowing...
bachelor thesis 2010
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Verheij, H.J. (author), Hoffmans, G. (author), Den Adel, H. (author), Akkerman, G.J. (author), Giri, S. (author)
A desk study has been carried out regarding interface stability of granular filter structures. Actually, the project focuses on two particular aspects: (1) interface stability as function of the thickness of the filter layer consisting of standard armourstone gradings, and (2) interface stability of gravel mixtures with a wide gradation The...
report 2009
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Richards, W. (author), Koenderink, J.J. (author), Van Doorn, A. (author)
Unlike the Metelli monochrome transparencies, when overlays and their backgrounds have chromatic content, the inferred surface colors may not always be physically realizable, and are in some sense “imaginary.” In these cases, the inferred chromatic transmittance or reflectance of the overlay lies outside the RGB spectral boundaries. Using the...
journal article 2009
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Zhao, D. (author), Ferreira, J.A. (author), Roc'h, A. (author), Leferink, F. (author)
Filters used in electromagnetic interference suppression are often described in literature on drive systems and have become a standard solution in industry. The effect of the commercial off-the-shelf filter depends significantly on how it is installed. A model that includes the installation parameters is made first and then the parameters of the...
journal article 2009
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Karamehmedovic, D. (author)
Wavelet Packet based Multi-Carrier Modulation (WPMCM) offers an alternative to the well-established OFDM as an efficient multicarrier modulation technique. It has strong advantage of being generic transmission scheme whose actual characteristics can be widely customized to fulfill several requirements and constraints of advanced communication...
master thesis 2009
document
Klein Breteler, M. (author)
report 2002
document
Bosma, C. (author), Verhagen, H.J. (author), D'Angremond, K. (author), Sint Nicolaas, W. (author)
The paper describes the use of two fundamental design parameters, the void porosity and layer thickness in rock armour constructions. These design parameters are very sensible for factors such as the boundary definition of a rock layer, rock production properties, intrinsic properties and construction properties. Differences in the value of the...
conference paper 2002
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Jansens, R. (author)
Filterconstructies hebben als doel constructies te beschermen tegen uitspoeling van grond en beschadiging door wateroverdrukken. Een granulaire filterconstructie bestaat uit een ofmeer lagen van granulairfiltermateriaal, die het onderliggende, loskorrelige basismateriaal tegenhoudt, maar het water doorlaat. Meestal wordt het criterium gehanteerd...
master thesis 2000
document
Smith, G.M. (author), Klein Breteler, M. (author)
report 2000
document
Klein Breteler, M. (author)
report 2000
document
Klein Breteler, M. (author)
report 2000
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Vrijling, J.K. (author), Hauer, M. (author), Van der Meulen, T. (author)
Dit rapport betreft het verslag van een studie naar de variatie in kwaliteit van granulaire materialen bij toepassingen in filterconstructies. De onderzochte kwaliteit betrof daarbij zowel de homogeniteit van het materiaal als de bij de uitvoering van lagen gerealiseerde laagdiktes. Als gevolg van ontmenging kan het materiaal in een constructie...
report 1999
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Vrijling, J.K. (author), Hauer, M. (author), Van der Meulen, T. (author)
Het verschijnsel ontmenging is al sinds lang een bekend fenomeen bij ontwerpers en constructeurs van granuiaire constructies. Desalniettemin is nog altijd erg weinig bekend over de aard en de omvang van de gevolgen die het optreden van dit verschijnsel voor het functioneren van een constructie kan hebben. Tot op heden bleven de beschouwingen...
report 1998
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Verheij, H.J. (author)
Recently, a number of desk studies have been carried out with respect to the phenomena in and the design of granular filters. These have resulted in some formulas allowing the dimensioning of granular filters. The most important formulas are those developed by Hoffmans based on the shear stress concept of Grass (indicated hereafter as the...
report 1998
document
Caus, E. (author)
Filterconstructies worden toegepast onder de teen en armour layer van uit breuksteen opgebouwde golfbrekers. Daarnaast worden zij vaak, als onderdeel van een bodembescherming, aangebracht op de zeebodem veer de teen van de golfbreker. Filterconstructies hebben als doel erosie van het onderliggende basismateriaal te voorkomen. Geometrisch-dichte...
master thesis 1998
document
Hauer, M. (author), Van der Meulen, T. (author)
Aan het begin van deze studie bestond onduidelijkheid over de vraag in hoeverre het eventueel falen van een geometrisch open filterconstructie in een open waterloop nu het gevolg zou zijn van onzekerheden met betrekking tot het bij het ontwerp gehanteerde rekenmodel, of juist van onzekerheden met betrekking t o t onnauwkeurigheden bij de bouw...
report 1997
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