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Chen, Peng (author), Huang, Xiongchuan (author), Chen, Y. (author), Wu, Lianbo (author), Staszewski, R.B. (author)
To characterize an on-chip programmable delay in a low-cost and high-resolution manner, a built-in self-test based on a first-order ΔΣ time-to-digital converter with self-calibration is proposed and implemented in TSMC 28-nm CMOS. The system is self-contained, and only one digital clock is needed for the measurements. A...
journal article 2018
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Wu, Jibing (author), Yu, Lianfei (author), Zhang, Qun (author), Shi, P. (author), Liu, Lihua (author), Deng, Su (author), Huang, Hongbin (author)
The heterogeneous information networks are omnipresent in real-world applications, which consist of multiple types of objects with various rich semantic meaningful links among them. Community discovery is an effective method to extract the hidden structures in networks. Usually, heterogeneous information networks are time-evolving, whose objects...
journal article 2018
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Cao, Pinqiang (author), Wu, Jianyang (author), Zhang, Zhisen (author), Fang, Bin (author), Peng, Li (author), Li, Tianshu (author), Vlugt, T.J.H. (author), Ning, Fulong (author)
A sound knowledge of fundamental mechanical properties of water ice is of crucial importance to address a wide range of applications in earth science, engineering, as well as ice sculpture and winter sports, such as ice skating, ice fishing, ice climbing, bobsleighs, and so on. Here, we report large-scale molecular dynamics (MD) simulations...
journal article 2018
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Liu, Xiuping (author), Lin, Liping (author), Wu, J. (author), Wang, W. (author), Yin, Baocai (author), Wang, C.C. (author)
Wireframe models are becoming a popular option in 3D printing. Generating sparse wireframe models using classic mesh simplification methods leads to models that require a lot of support structures in the layer-upon-layer additive process. In this paper we present a mesh simplification method that takes into account the overhang angle....
journal article 2018
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Bi, Jichao (author), Yang, L. (author), Yang, Xiaofan (author), Wu, Yingbo (author), Tang, Yuan Yan (author)
This article addresses the tradeoff between the losses caused by a new virus and the size of the team for developing an antivirus against the virus. First, an individual-level virus spreading model is proposed to capture the spreading process of the virus before the appearance of its natural enemy. On this basis, the tradeoff problem is...
journal article 2018
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Wilfert, Stefan (author), Sessi, Paolo (author), Wang, Zhiwei (author), Schmidt, Henrik (author), Martinez Velarte, M.C. (author), Hor, Yew San (author), Otte, A.F. (author), Ando, Yoichi (author), Wu, Weida (author), Bode, Matthias (author)
Recently, the doping of topological insulators has attracted significant interest as a potential route towards topological superconductivity. Because many experimental techniques lack sufficient surface sensitivity, however, definite proof of the coexistence of topological surface states and surface superconductivity is still outstanding....
journal article 2018
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Bouzas, Vasileios (author), de Groot, Rob (author), Sajadianjaghargh, Melika (author), Tzounakos, Nikos (author), Wu, Teng (author)
In this report, we briefly summarize the methodology behind the development of a web application for the municipality of the Hague. This application was developed by a group of students during the Synthesis Project (academic period 2017-2018) of the MSc Geomatics programme of TU Delft University, the Netherlands. The main purpose of this...
student report 2018
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Wang, Weiming (author), Liu, Yong-Jin (author), Wu, J. (author), Tian, Shengjing (author), Wang, C.C. (author), Liu, Ligang (author), Liu, Xiuping (author)
Offsetting-based hollowing is a solid modeling operation widely used in 3D printing, which can change the model's physical properties and reduce the weight by generating voids inside a model. However, a hollowing operation can lead to additional supporting structures for fabrication in interior voids, which cannot be removed. As a consequence...
journal article 2018
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Liu, S. (author), Ye, Q. (author), Wu, Shiqiang (author), Stive, M.J.F. (author)
Wind induced hydrodynamic circulations play significant roles in the transport and mixing process of pollutants and nutrients in large shallow lakes, but they have been usually overlooked, while environmental, biological, and ecological aspects of eutrophication problems get the most focus. Herein we use a three-dimensional model, driven by...
journal article 2018
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Dai, C. (author), Wang, C.C. (author), Wu, Chenming (author), Lefebre, Sylvain (author), Fang, G. (author), Liu, Yong-Jin (author)
This paper presents a new method to fabricate 3D models on a robotic printing system equipped with multi-axis motion. Materials are accumulated inside the volume along curved tool-paths so that the need of supporting structures can be tremendously reduced - if not completely abandoned - on all models. Our strategy to tackle the challenge of...
journal article 2018
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Liu, Y. (author), van Nederveen, G.A. (author), Wu, Chunlin (author), Hertogh, M.J.C.M. (author)
BIM (building information modeling) can be the basis for carrying out various performance analyses. Sustainable infrastructure rating systems are suitable tools for assessing an infrastructure’s environmental performance. It is necessary to integrate them in the design process. The research adopted a thorough literature review to follow the...
journal article 2018
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Cai, J. (author), Jiang, X. (author), Lodewijks, G. (author), Pei, Zhiyong (author), Wu, Weiguo (author)
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journal article 2018
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Yi, Ran (author), Wu, Chenming (author), Liu, Yong-Jin (author), He, Ying (author), Wang, C.C. (author)
This paper presents a 3-D printing system that uses a low-cost off-the-shelf consumer projector to fabricate large models. Compared with traditional digital light processing (DLP) 3-D printers using a single vertical carriage, the platform of our DLP 3-D printer using delta mechanism can also move horizontally in the plane. We show that this...
journal article 2018
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Dhadly, Manbharat S. (author), Emmert, John T. (author), Drob, Douglas P. (author), Conde, Mark G. (author), Doornbos, E.N. (author), Shepherd, Gordon (author), Makela, Jonathan (author), Wu, Qian (author), Nieciejewski, Richard J. (author), Ridley, Aaron J. (author)
This study is focused on improving the poorly understood seasonal dependence of northern high-latitude F region thermospheric winds under active geomagnetic conditions. The gaps in our understanding of the dynamic high-latitude thermosphere are largely due to the sparseness of thermospheric wind measurements. With current observational...
journal article 2018
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Wu, J. (author), Petrov, R.H. (author), Kölling, S. (author), Godet, S (author), Sietsma, J. (author)
Micro- to nano-scale characterization of the microstructures in the white etching layer (WEL), observed in a Dutch R260 Mn grade rail steel, was performed via various techniques. Retained austenite in the WEL was identified via electron backscatter diffraction (EBSD), automatic crystallographic orientation mapping in transmission electron...
journal article 2018
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Mei, Ran (author), Nobu, Masaru K. (author), Narihiro, Takashi (author), Kuroda, Kyohei (author), Muñoz Sierra, Julian (author), Wu, Zhuoying (author), Ye, Lin (author), Lee, Patrick K.H. (author), Lee, P.H.L. (author), van Lier, J.B. (author), McInerney, Michael J. (author), Kamagata, Yoichi (author), Liu, Wen Tso (author)
Anaerobic digester (AD) microbiomes harbor complex, interacting microbial populations to achieve biomass reduction and biogas production, however how they are influenced by operating conditions and feed sludge microorganisms remain unclear. These were addressed by analyzing the microbial communities of 90 full-scale digesters at 51 municipal...
journal article 2017
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Wu, Xinhang (author)
Due to increased traffic density, there is a tendency to construct larger immersed tunnels with larger tunnel elements both in transversal and longitudinal direction resulting in a more critical design of the joints. Especially for those tunnels with relatively soft foundation and high siltation, there is no mature experience for reference. This...
master thesis 2017
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Liu, Quantao (author), Li, Bin (author), Schlangen, E. (author), Sun, Yihan (author), Wu, Shaopeng (author)
In this paper, steel slag/steel fiber composite asphalt mixture were prepared. The effects of the addition of steel slag and/or steel fibers on the mechanical, thermal, induction heating and healing properties of asphalt mixture were investigated. The results showed that adding steel slag and/or steel fibers improves the water stability,...
journal article 2017
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Xie, Dongfeng (author), Pan, Cunhong (author), Wu, Xiuguang (author), Gao, Shu (author), Wang, Zhengbing (author)
We investigate the morphological responses of the Hangzhou Bay, China, located immediately south of the Changjiang Estuary, to the drastic reduction of the sediment load from the Changjiang River and the large-scale coastal embankment schemes over past decades. The spatial patterns of deposition and erosion, sediment volume changes, and the...
journal article 2017
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Wu, Lichao (author)
Many fields need high performance time measurements, including particle detection, time-resolved imaging, transducer array channel multiplexing and other time of-flight systems. These measurements are often performed by means of time-to-digital converters(TDCs), that for these applications, require high resolution, accuracy, and throughput. This...
master thesis 2017
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