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Hu, Z. (author), Vlachogiannakis, G. (author), Pertijs, M.A.P. (author), de Vreede, L.C.N. (author), Spirito, M. (author)A 0.14-μ m CMOS 2-D permittivity imaging matrix prototype operating at microwave frequencies is presented. It comprises 25 permittivity-sensing pixels, each consisting of a sensing patch connected to a dedicated RF bridge. A trans-conduct-ance stage converts the imbalance voltage to a current signal, subsequently down-converted to an...conference paper 2018
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Steele-Dunne, S.C. (author), Khabbazan, S. (author), Vermunt, P.C. (author), Ratering Arntz, A.M. (author), Marinetti, C. (author), Iannini, L. (author), Westerdijk, K. (author), van der Sande, C. (author)In this study, we performed ground validation to support the interpretation of Sentinel-1 imagery during a full growing season of five key crop types in the Netherlands. Crop height and growth stage were monitored weekly in a total of 25 parcels of maize, potato, sugar beet maize and English rye grass in the province of Flevoland....conference paper 2018
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van Dongen, K.W.A. (author), de Blécourt, Anne (author), Lens, E. (author), Schaart, D.R. (author), Vos, F.M. (author)In proton therapy, cancer patients are irradiated with high energy protons. For a successful treatment it is important that the location with the highest energy deposition, the so-called Bragg-peak, is located inside the tumor and not in the healthy surrounding tissue. Here, we investigate if the iono-acoustic wave field generated by the protons...conference paper 2018
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Terwel, K.C. (author), Schipper, H.R. (author)Groningen, a province in the northern part of the Netherlands, suffers from earthquakes because of gas drilling. The residential building stock in Groningen was not designed for these loads. Over the years a lot of smaller and larger damage has developed, possibly - but not necessarily - caused by the effects of gas drilling. Delft University of...conference paper 2018
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Naghibzadeh, S. (author), Repetti, Audrey (author), van der Veen, A.J. (author), Wiaux, Yves (author)Current and future radio telescopes deal with large volumes of data and are expected to generate high resolution gigapixel-size images. The imaging problem in radio interferometry is highly ill-posed and the choice of prior model of the sky is of utmost importance to guarantee a reliable reconstruction. Traditionally, one or more...conference paper 2018
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Azzollini, Ilario A. (author), Baldi, S. (author), Kosmatopoulos, Elias B. (author)We analyze adaptive synchronization capabilities in networks with Kuramoto-like units whose dynamical features are unknown and thus synchronization protocols must exhibit co-evolution capabilities. In the presence of heterogeneous and uncertain units, synchronization should be enabled by appropriate adaptive protocols that counteract the...conference paper 2018
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Mouri Sardarabadi, A. (author), van der Veen, A.J. (author), Koopmans, Leon V.E. (author)Having an accurate calibration method is crucial for any scientific research done by a radio telescope. The next generation radio telescopes such as the Square Kilometre Array (SKA) will have a large number of receivers which will produce exabytes of data per day. In this paper we propose new direction-dependent and independent calibration...conference paper 2018
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Baldi, S. (author), Azzollini, Ilario A. (author), Kosmatopoulos, Elias B. (author)In networks with heterogeneous and uncertain agents, fixed-gain control can lead to synchronization only if the uncertainties are relatively small. If the uncertainties are larger, we need to develop adaptive-gain approaches to achieve synchronization. In this work we propose an adaptive synchronization protocol, in case of full-state...conference paper 2018
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Cozzolino, Vittorio (author), Moroz, Oleksii (author), Ding, Aaron Yi (author)Augmented reality has been exploited in manifold fields but is yet to be used at its full potential. With the massive diffusion of smart devices, opportunities to build immersive human-computer interfaces are continually expanding. In this study, we conceptualize a virtual factory: an interactive, dynamic, holographic abstraction of the physical...conference paper 2018
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Fiedler, Davide (author), Čertický, Michal (author), Alonso-Mora, J. (author), Cáp, M. (author)In densely populated-cities, the use of private cars for personal transportation is unsustainable, due to high parking and road capacity requirements. The mobility-on-demand systems have been proposed as an alternative to a private car. Such systems consist of a fleet of vehicles that the user of the system can hail for one-way point-to-point...conference paper 2018
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van Erp, P.B.C. (author), Thoen, Sebastiaan (author), Knoop, V.L. (author), Hoogendoorn, S.P. (author)The fundamental diagram (FD) describes the relation between the flow and density in equilibrium conditions. In this paper, we propose an estimation approach to estimate the FD based on data from moving observers. This approach consists of two main steps: (1) estimate flow and density for space-time areas based on trajectories of moving observers...conference paper 2018
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Westermayr, Maximilian (author), Stapel, Peter (author), van de Kuilen, J.W.G. (author)This paper investigates the tensile strength and stiffness of low quality beech sawn timber. In addition, the influences of visual and physical characteristics of the beech boards on the mechanical performance were analysed. Visual characteristics like knots, pith or fibre deviation as well as density and dynamic modulus of elasticity were...conference paper 2018
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van de Kuilen, J.W.G. (author), Ravenshorst, G.J.P. (author)There are more than 1000 wood species worldwide available that have the potential to be used in structural applications. Many of these species are tropical hardwood species. In this paper, the mechanical and physical properties of a large number of tropical hardwoods are presented. They are investigated for relationships that are valid for all...conference paper 2018
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Bandyopadhyay, S. (author), Dong, J. (author), Ramirez Elizondo, L.M. (author), Bauer, P. (author)Inductive power transfer (IPT) is gaining popularity across a wide range of battery charging applications like biomedical, consumer electronics and electric vehicle (EV) charging. One of the major challenges in designing IPT charge pads is determining the optimal physical sizes of the magnetic couplers resulting in efficient power transfer...conference paper 2018
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Sarnaghi, Ani Khaloian (author), van de Kuilen, J.W.G. (author)Structural heterogeneities in wood are changing the complexity of the numerical modelling of this material. Knots are the main strength governing parameters, which are changing the uniformity of the stress distributions through the boards. These weak locations may result in failure in the material. Comprehensive reconstruction of the boards,...conference paper 2018
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Harkes, D.C. (author), van Chastelet, E. (author), Visser, Eelco (author)To provide empirical evidence to what extent migration of business logic to an incremental computing language (ICL) is useful, we report on a case study on a learning management system. Our contribution is to analyze a real-life project, how migrating business logic to an ICL affects information system validatability, performance, and...conference paper 2018
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de Souza Amorim, L.E. (author), Erdweg, S.T. (author), Steindorfer, M.J. (author), Visser, Eelco (author)In layout-sensitive languages, the indentation of an expression or statement can influence how a program is parsed. While some of these languages (e.g., Haskell and Python) have been widely adopted, there is little support for software language engineers in building tools for layout-sensitive languages. As a result, parsers, pretty-printers,...conference paper 2018
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Ahmadpanahi, S.H. (author), Vismara, R. (author), Isabella, O. (author), Zeman, M. (author)Total electric field in a periodic thin-film structure is described by its Fourier coefficients. These coefficients can be used to calculate the share of different resonances in total absorption in the structure.conference paper 2018
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Jiang, X. (author)Structural integrity assessment is the study of the safe design and assessment of components and structures under loads, and has become increasingly important in engineering design. The technology and applications of structural integrity widely range from transportation, oil and gas, power generation to petrochemical, nuclear sectors, etc. In...conference paper 2018
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Staring, M. (author), van der Neut, J.R. (author), Wapenaar, C.P.A. (author)The Santos basin in Brazil suffers from strong internal multiples that overlap with primaries from the pre-salt reservoirs. We propose an adaptive double-focusing method for the removal of these multiples to obtain a correct image of the target area. The proposed method applies a form of source-receiver Marchenko redatuming to the reflection...conference paper 2018