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Van de Loosdrecht, J. (author), Dijkstra, K. (author), Postma, J.H. (author), Keuning, W. (author), Bruin, D. (author)
Twirre is a new architecture for mini-UAV platforms designed for autonomous flight in both GPS-enabled and GPS-deprived applications. The architecture consists of low-cost hardware and software components. High-level control software enables autonomous operation. Exchanging or upgrading hardware components is straightforward and the architecture...
conference paper 2014
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Dijkstra, O.D. (author)
conference paper 1993
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Dijkstra, Gerard (author)
conference paper 1975
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Beijer Lundberg, A. (author), Dijkstra, J. (author), Van Tol, A.F. (author)
The use of a geotechnical centrifuge for properly capturing the mechanisms in the sand adjacent to a foundation pile is well established. Larger centrifuge facilities were previously preferred over small centrifuges, because of the difficulties of the required miniature instrumentation. The technology since then has moved on and recent technical...
conference paper 2012
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Yuan, J. (author), Hicks, M.A. (author), Dijkstra, J. (author)
Electro-osmosis consolidation is an innovative and effective ground improvement method for soft clays. But electro-osmosis is also a very complicated process, as the mechanical behaviour, and hydraulic and electrical properties of the soil are changing rapidly during the treatment process; this makes electroosmosis hard to describe and simulate....
conference paper 2012
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Dijkstra, O.D. (author), Janssen, G.T.M. (author), Ludolphy, J.W.L. (author)
conference paper 2001
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Dijkstra, J.T. (author)
Worldwide, aquatic vegetation is important for the physical and ecological condition of coastal areas. Unfortunately, this vegetation (e.g. seagrasses) is also under pressure due to human activities. Protection and restoration are cumbersome, particularly because the complex relations between vegetation and its environment are not yet well...
conference paper 2008
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Dijkstra, J. (author), Broere, W. (author), van Tol, A.F. (author)
conference paper 2012
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Meijer, G.J. (author), Dijkstra, J. (author)
The current paper presents a novel experimental method which is able to capture the effects of suffusion by substitution of the fines in a sample by salt of a similar grain size. The setup is tailored to optically capture the change in soil structure behind a glass window in a plane strain strongbox using a digital camera. Subsequently, digital...
conference paper 2012
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Dijkstra, Gerard (author), Perkins, Tom (author), Roberts, Damon (author)
conference paper 2004
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Dijkstra, J.T. (author)
By changing flow patterns and sediment transport, aquatic vegetation can affect the development of estuarine bed topography. Besides, since the sediment transport also determines the amount of light available for photosynthetic growth, the presence of vegetation can also affect its own development. This selfsupporting interaction should be taken...
conference paper 2007
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Roberts, D. (author), Dijkstra, G. (author)
conference paper 2003
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Dijkstra, J.T. (author)
Seagrasses are a valuable but threatened part of coastal systems. To aid restoration attempts, a model has been made to study the effect of such flexible aquatic vegetation on flow and sediment transport. Because this model needs to be tested against field results, a field experiment was undertaken around an eelgrass meadow in Dinard, France....
conference paper 2009
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Dijkstra, J.T. (author), Uittenbogaard, R.E. (author), Stive, M.J.F. (author)
In many areas around the world, there is a large interest in the protection and restoration of aquatic vegetation, like eelgrass (Zostera marina), but little is known about the interaction of such vegetation with its environment. To improve this knowledge, a model has been developed that simulates this interaction between highly flexible...
conference paper 2006
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Dharmavasan, S. (author), Peers, S.M.C. (author), Faber, M.H. (author), Dijkstra, O.D. (author), Cervetto, D. (author), Manfredi, E. (author)
conference paper 1994
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Kok, P. (author), Dijkstra, J. (author), Botha, C.P. (author), Post, F.H. (author), Kaijzel, E. (author), Que, I. (author), Löwik, C.W.G.M. (author), Reiber, J.H.C. (author), Lelieveldt, B.P.F. (author)
This paper explores new methods to visualize and fuse multi-2D bioluminescence imaging (BLI) data with structural imaging modalities such as micro CT and MR. A geometric, back-projection-based 3D reconstruction for superficial lesions from multi-2D BLI data is presented, enabling a coarse estimate of the 3D source envelopes from the multi-2D BLI...
conference paper 2007
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Dijkstra, N.E. (author), De Kluizenaar, Y. (author), Fossati, S. (author), Bluyssen, P.M. (author), De Oliveira Fernandes, E. (author), Silva, G.V. (author), Carrer, P. (author), Bartzis, J. (author)
conference paper 2014
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Gordijn, J.M.W. (author), Dijkstra, W.P. (author), Oosterhout, A.D. (author)
All first-year students at Delft University of Technology (TU Delft) are required to take mathematics courses, but their motivation to participate in these courses is generally lower than their motivation for courses that belong to their main field of study. These lower levels of commitment often lead to lower results and weaker understanding of...
conference paper 2017
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Liu, Shengnan (author), Eggermont, Jeroen (author), Wolterbeek, Ron (author), Lelieveldt, B.P.F. (author), Dijkstra, J (author)
Intravascular optical coherence tomography (IVOCT) is an intravascular imaging modality which enables the visualization arterial structures at the micro-structural level. The interpretations of these structures is mainly on the basis of relative image intensities. However, even for homogeneous tissue light intensities can differ. In this study...
conference paper 2016
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Vrijhoef, R. (author), Dijkstra, Jan Tjerk (author), Koutamanis, A. (author)
This paper presents a research endeavouring to model site work in a 4D BIM model. Next simulations are performed with this model in 5 scenarios including specific interventions in work organisation, notably changing positons of facilities for site workers. A case study has been done in a construction project in the Netherlands. The research has...
conference paper 2018
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