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Zhang, Y. (author), Barth, J.E. (author), Kruit, P. (author)
For multielectron beam systems with a single electron source, the outside beams need to be collimated before entering the individual microcolumns. As an alternative of the traditional multibeam source design where the broad beam from the source is collimated by a single lens, the broad beam can be first split in subbeams that are focused by a...
journal article 2008
document
Zhang, C. (author), Makinwa, K.A.A. (author)
journal article 2008
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Ding, Y. (author), Zhang, J.Q. (author)
Retrieve the structure of model and the motion of camera is a classical and hot topic in computer vision and photogrammetry. A lot of automatic or semiautomatic techniques have been developed to optimize the retrieving processing from accuracy, stability and reality perspectives. These techniques are variant from data source, feature selection...
conference paper 2008
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Van der Krogt, R.P.J. (author), De Weerdt, M.M. (author), Zhang, Y. (author)
Multiagent planning methods are concerned with planning by and for a group of agents. If the agents are selfinterested, they may be tempted to lie in order to obtain an outcome that is more rewarding for them. We therefore study the multiagent planning problem from a mechanism design perspective, showing how to incentivise agents to be truthful....
conference paper 2008
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Van der Krogt, R.P.J. (author), De Weerdt, M.M. (author), Zhang, Y. (author)
conference paper 2008
document
Narasimha, C.Y. (author), Witteveen, C. (author), Zhang, Y. (author), Wu, M. (author), La Poutré, H. (author)
conference paper 2008
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Zhang, Y. (author)
doctoral thesis 2008
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Khosropanah, P. (author), Zhang, W. (author), Hovenier, J.N. (author), Gao, J.R. (author), Klapwijk, T.M. (author), Amanti, M.I. (author), Scalari, G. (author), Faist, J. (author)
We report a heterodyne receiver using a superconducting NbN hot electron bolometer (HEB) integrated with a tight winding spiral antenna as mixer and a distributed feedback (DFB) terahertz quantum cascade laser (QCL) operating at 3.42 THz as local oscillator. The aim is to demonstrate the readiness of both devices for the detection of OH lines at...
journal article 2008
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Koleva, D.A. (author), Zhang, X. (author), Petrov, P. (author), Boshkov, N. (author), Van Breugel, K. (author), De Wit, J.H.W. (author), Mol, J.M.C. (author), Tsvetkova, N. (author)
This study reports on a comparative investigation of the corrosion behavior of zinc (Zn) and nano-composite zinc (ZnC) galvanic layers in 5% NaCl solution. The metallic matrix of the ZnC layers incorporates nano-sized, stabilized polymeric aggregates, formed from the amphiphilic tri-block co-polymer: poly(2-hydroxyethyl methacrylate) - poly ...
journal article 2008
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Zhang, X.Y. (author)
journal article 2009
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Zhang, Quan (author), Hsiao, Chao-Tsung (author), Chahine, Heorges (author)
conference paper 2009
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Wang, Guoyu (author), Zhang, Bo (author), Huang, Biao (author), Zhang, Mindi (author)
conference paper 2009
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Peng, Xiaoxing (author), Zhang, G. (author), Ji, Bin (author), Lu, L. (author), Hong, F. (author)
conference paper 2009
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Zhang, Z. (author), Xiao, Y. (author), Yang, Y. (author), Boom, R. (author), Voncken, J.H.L. (author)
Vitrification is considered to be an attractive technology for bottom ash treatment because it destroys the hazardous organics, contributes to immobilization of the heavy metals, and additionally it reduces drastically the volume. The main components of the vitrified bottom ash slag are SiO2 , CaO, Al2 O3 , Fe2 O3 , Na 2 O and MgO, and the...
conference paper 2009
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Hrauda, N. (author), Zhang, J.J. (author), Stoffel, M. (author), Stangl, J. (author), Bauer, G. (author), Rehman-Khan, A. (author), Holy, V. (author), Schmidt, O.G. (author), Jovanovic, V. (author), Nanver, L.K. (author)
We report on studies of strain and composition of two-dimensionally ordered SiGe islands grown by molecular beam epitaxy using high resolution x-ray diffraction. To ensure a small size distribution of the islands, pit-patterned 4 (001) Si wafers were used as substrates. The Si wafers were patterned by optical lithography and reactive ion etching...
journal article 2009
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Zhang, Y. (author), De Weerdt, M.M. (author)
When information or control in a multiagent system is private to the agents, they may misreport this information or refuse to execute an agreed outcome, in order to change the resulting end state of such a system to their benefit. In some domains this may result in an execution failure. We show that in such settings VCG mechanisms lose...
conference paper 2009
document
Hrauda, N. (author), Zhang, J.J. (author), Stangl, J. (author), Rehman-Khan, A. (author), Bauer, G. (author), Stoffel, M. (author), Schmidt, O.G. (author), Jovanovich, V. (author), Nanver, L.K. (author)
In this work self-organized SiGe islands are used as stressors for Si capping layers, which later act as carrier channels in field effect transistors. To be able to address individual islands and to obtain a sufficiently narrow distribution of their properties, the SiGe islands are grown by molecular beam epitaxy on prepatterned Si substrates,...
journal article 2009
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Bidarra, R. (author), Zhang, X. (author)
journal article 2009
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Zhu, J. (author), Zhang, W. (author), Bassir, D.H. (author)
The aim of this paper is to enhance the validity of existing evolutionary topology optimization procedures. As this hard-killing scheme related to the element sensitivity values may lead to incorrect predictions of inefficient elements to be removed and the value of the objective function becomes sharply deteriorated during the iterations, a...
journal article 2009
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Ter Mors, A.W. (author), Yadati, C. (author), Witteveen, C. (author), Zhang, Y. (author)
We consider a multi-agent planning problem as a set of activities that has to be planned by several autonomous agents. In general, due to the possible dependencies between the agents’ activities or interactions during execution of those activities, allowing agents to plan individually may lead to a very inefficient or even infeasible solution to...
journal article 2009
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