Searched for: subject%3A%22persistence%22
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Plomp, E. (author)
The uptake of Persistent Identifiers (PIDs) has increased in recent years and has improved the Findability, Accessibility, Interoperability and Reusability (FAIR) of various research related objects (e.g., data, software, researchers and research organisations). The uptake of PIDs for physical aspects of research (such as samples, artefacts,...
journal article 2020
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Lavidas, G. (author), Kamranzad, Bahareh (author)
Global distribution of the wave climate and energy using a re-analysis dataset provides the opportunity to study spatio-temporal variation of different parameters, and offers inputs for future sustainability plans. The study assesses two global scale products ERA5 and ERA-Interim, evaluating differentiation in wave climate and energy parameters....
journal article 2020
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Vermeulen, Arjan (author)
At DCSC, research is conducted in the field of multi-agent systems. While this research often takes a theoretical approach, there is a growing need to verify the research on an experimental platform. In this way, the newly developed methods can be experimentally validated. For this purpose, a compact system is developed for localization and pose...
master thesis 2019
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Dheenathayalan, P. (author)
Time-series synthetic aperture radar interferometry (InSAR) has evolved into a widely preferred geodetic technique for measuring topography and surface deformation of the earth. In the last decades, time-series InSAR methodologies were developed to extract information from persistent scatterers (PS) and distributed scatterers (DS). Methodologies...
doctoral thesis 2019
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Wahid, Markos (author)
Renewable energy sources, e.g. solar energy and wind energy, have gained popularity as an alternative means of energy production as they do not reinforce global warming. In addition, more and more electrical appliances (e.g. electric vehicles, induction cookers, and heat pumps) are used as a substitute for appliances that need non-renewable...
master thesis 2019
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Manivannan, Padmini (author)
Natural or man-made disasters can have a drastic impact on social, economic and environmental aspects of an affected population. Specifically, earthquakes are one of the most potent natural hazards, which cause a disproportionate amount of fatalities, primarily due to a) unexpected building collapses, b) restricted or limited access to basic...
master thesis 2019
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Blanker, Folco (author)
This thesis investigated the possibility of alternative ways to loading and offloading flexlay vessels and provides a concept design. This was investigated because currently, the vessels designed by IHC, have to sail back to port to restock on pipes. During this time the expensive pipelayer is not laying pipes and thus not making money for its...
master thesis 2019
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Charitidou, Maria (author)
Recent advances on the design of autonomous mobile agents have motivated the use of the latter in persistent surveillance tasks with applications in agriculture, information gathering and search and rescue missions. In these tasks the goal is to design agents’ paths so as every point in the area of interest is covered more than once. In...
master thesis 2019
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Fijen, Thomas (author)
With the growing population the agricultural industry needs to find and implement new methods for enhancing food production. Using a Micro Aerial Vehicle (MAV) in Precision Agriculture (PA) offers a large number of benefits such as enabling the farmer to create targeted strategies to increase crop yield, reduced waste and halt the spread of...
master thesis 2019
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van Selm, Maaike (author), Mulder, I. (author)
We are living in transitional times. Much has been under debate on the need to change and to cope with societal transitions, less emphasis, however, is devoted on how to do so. Therefore, one of the primary questions in Transition Design is how to design for sustainabilitytransitions? The current work aims to evaluate ‘transition design studies’...
conference paper 2019
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Sambell, K.A.M. (author), Smets, P.S.M. (author), Simons, D.G. (author), Snellen, M. (author), Evers, L.G. (author)
Continuous long-term sound sources are recorded at hydroacoustic station H03S, a threeelement hydrophone array south of Robinson Crusoe Island between 2014 April 23 and 2017 August 20. The origin of the signal between 3 and 20 Hz is investigated by using cross-correlation, array processing using plane wave beamforming and spectral analysis....
journal article 2019
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van Dooren, M.M.M. (author), Visch, V.T. (author), Spijkerman, Renske (author)
Different types of rewards are applied in persuasive games to encourage play persistence of its users and facilitate the achievement of desired real-world goals, such as behavioral change. Persuasive games have successfully been applied in mental healthcare and may hold potential for different types of patients. However, we question to what...
journal article 2019
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Yang, M. (author), López-Dekker, Paco (author), Dheenathayalan, P. (author), Biljecki, Filip (author), Liao, Mingsheng (author), Hanssen, R.F. (author)
Persistent scatterers (PSs) are coherent measurement points obtained from time series of satellite radar images, which are used to detect and estimate millimeter-scale displacements of the terrain or man-made structures. However, associating these measurement points with specific physical objects is not straightforward, which hampers the...
journal article 2019
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Zhang, H. (author), López-Dekker, Paco (author)
Capon's minimum-variance method (MVM) and amplitude and phase estimation (APES) spectral estimation algorithms can be applied to synthetic aperture radar (SAR) processing to improve the resolution and suppress sidelobe levels. In this paper, we use Capon-/APES-based SAR reprocessing algorithms to increase the persistent scatterer (PS) density...
journal article 2019
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Yang, M. (author), López-Dekker, Paco (author), Dheenathayalan, P. (author), Liao, Mingsheng (author), Hanssen, R.F. (author)
To correctly interpret the estimated displacements in InSAR point clouds, especially in the built environment, these need to be linked to real-world structures. This requires the accurate and precise 3D positioning of each point. Artificial ground control points (GCPs), such as corner reflectors, serve this purpose, but since they require...
journal article 2019
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van Hecke, K.G. (author), de Croon, G.C.H.E. (author), van der Maaten, L.J.P. (author), Hennes, Daniel (author), Izzo, Dario (author)
Self-supervised learning is a reliable learning mechanism in which a robot uses an original, trusted sensor cue for training to recognize an additional, complementary sensor cue. We study for the first time in self-supervised learning how a robot’s learning behavior should be organized, so that the robot can keep performing its task in the...
journal article 2018
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Verburg, Quintus (author)
Parameter and ambiguity estimation in the temporal domain, for arcs of differential phase observations between two persistent scatterers (PS), is a critical part in Persistent Scatterer Interferometry (PSI). Deformation models, used as constraint in the parameter estimation, often do not capture the full extent of the deformation behaviour. This...
master thesis 2017
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bos, A.J.J. (author)
Thermally stimulated luminescence (TSL) is known as a technique used in radiation dosimetry and dating. However, since the luminescence is very sensitive to the defects in a solid, it can also be used in material research. In this review, it is shown how TSL can be used as a research tool to investigate luminescent characteristics and underlying...
journal article 2017
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Rentoulis, I. (author)
Heerema Marine Contractors (HMC) is a contractor that transports and installs large structures at sea. For this purpose, HMC operates four crane vessels of which three are semi-submersibles (Thialf, Balder and Hermod) and one is a mono hull (Aegir). The Balder is equipped with a J-lay tower for pipelay in deep water. During transits, when the...
master thesis 2016
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Van Hecke, K.G. (author)
We introduce, study and demonstrate Persistent Self-Supervised Learning (PSSL), a machine learning method for usage onboard robotic platforms. The PSSL model leverages a standard supervised learning method to simplify the learning problem, but acquires training data in an unsupervised and autonomous manner. Using two platforms, a small...
master thesis 2015
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