Searched for: author%3A%22Zhang%2C+C.%22
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Zhang, C. (author), Liu, Z. (author), Li, Chun (author), Buijnsters, J.G. (author)
Diamond nanostructures are mostly produced from bulk diamond (single- or polycrystalline) by using time-consuming and/or costly subtractive manufacturing methods. In this study, we report the bottom-up synthesis of ordered diamond nanopillar arrays by using porous anodic aluminium oxide (AAO). Commercial ultrathin AAO membranes were adopted as...
journal article 2023
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Zhang, C. (author), Deng, Z.C. (author), Zhang, Y.M. (author), Chen, C. (author)
This paper develops an empirical model to predict the static yield stress of 3D printing mortar based on the flowability of paste and excess paste thickness. The components of the mortar are divided into paste and aggregate. The relation between the yield stress of mortar and the yield stress of paste and the excess paste thickness is...
conference paper 2021
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Zhang, C. (author), Rakhshani, E. (author), Veerakumar, Nidarshan (author), Rueda, José L. (author), Palensky, P. (author), Gonzalez-Longatt, F. (author)
The frequency stability of the power system is challenged by the high penetration of power electronic interfaced renewable energy sources (RES). Energy storage systems (ESS) are used to supply extra power injection to enhance the frequency stability during a disturbance. This paper presents a novel approach for improving the frequency dynamics...
conference paper 2021
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Ren, Wuwei (author), Jiang, Jingjing (author), Di Costanzo Mata, Aldo (author), Kalyanov, Alexander (author), Ripoll, Jorge (author), Lindner, S.A. (author), Charbon-Iwasaki-Charbon, E. (author), Zhang, C. (author), Rudin, Markus (author), Wolf, Martin (author)
Fluorescence molecular tomography (FMT) emerges as a powerful non-invasive imaging tool with the ability to resolve fluorescence signals from sources located deep in living tissues. Yet, the accuracy of FMT reconstruction depends on the deviation of the assumed optical properties from the actual values. In this work, we improved the accuracy...
journal article 2020
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Yan, H. (author), Huang, Song (author), Zhang, C. (author), Coenders-Gerrits, Miriam (author), Wang, Guoqing (author), Zhang, Jianyun (author), Zhao, Baoshan (author), Acquah, Samuel Joe (author), Wu, Haimei (author), Fu, Hanwen (author)
Accurate estimation of transpiration (Tr) is important in the development of precise irrigation scheduling and to enhance water-use efficiency in agricultural production. In this study, the air temperature (Ta) and relative humidity (RH) were measured at three different heights (0.5, 1.0, and 1.8 m above the ground near the plant canopy)...
journal article 2020
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Padmanabhan, P. (author), Zhang, C. (author), Charbon-Iwasaki-Charbon, E. (author)
Direct time-of-flight (DTOF) is a prominent depth sensing method in light detection and ranging (LiDAR) applications. Single-photon avalanche diode (SPAD) arrays integrated in DTOF sensors have demonstrated excellent ranging and 3D imaging capabilities, making them promising candidates for LiDARs. However, high background noise due to solar...
journal article 2019
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Zhang, C. (author)
In conventional applications, such as bio-imaging and microscopy, SPAD is typically used as a single-photon counter. However, this advantage has been challenged by other photon-counting technologies, especially from CMOS-based QIS. Comparatively, apart from single-photon counting capability, QIS is superior to SPAD in terms of intrinsic multi...
doctoral thesis 2019
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Goji Etoh, Takeharu (author), Okinaka, Tomo (author), Takano, Yasuhide (author), Takehara, Kohsei (author), Nakano, Hitoshi (author), Shimonomura, Kazuhiro (author), Ando, Taeko (author), Ngo, Nguyen (author), Zhang, C. (author)
Light in flight was captured by a single shot of a newly developed backside-illuminated multi-collection-gate image sensor at a frame interval of 10 ns without high-speed gating devices such as a streak camera or post data processes. This paper reports the achievement and further evolution of the image sensor toward the theoretical temporal...
journal article 2019
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Zhang, C. (author), Lindner, S.A. (author), Antolović, I.M. (author), Wolf, Martin (author), Charbon-Iwasaki-Charbon, E. (author)
Per-pixel time-to-digital converter (TDC) architectures have been exploited by single-photon avalanche diode (SPAD) sensors to achieve high photon throughput, but at the expense of fill factor, pixel pitch and readout efficiency. In contrast, TDC sharing architecture usually features high fill factor at small pixel pitch and energy efficient...
journal article 2018
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Yan, H. (author), Zhang, C. (author), Coenders-Gerrits, Miriam (author), Acquah, Samuel Joe (author), Zhang, Hengnian (author), Wu, Haimei (author), Zhao, Baoshan (author), Huang, Song (author), Fu, Hanwen (author)
Estimating the latent heat flux accurately is important to improve greenhouse crops irrigation schedules. Aerodynamic and canopy resistances, as two key parameters in the Bulk transfer equations, are already difficult to measure in the open field and even more in greenhouses. In this study, an experiment was conducted in a Venlo-type cucumber...
journal article 2018
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Yan, H. (author), Zhang, C. (author), Hiroki, Oue (author)
Models for predicting hourly canopy resistance (r<sub>c</sub>) and latent heat flux (LET) based on the Penman–Monteith (PM) and bulk transfer methods are presented. The micrometeorological data and LET were observed during paddy rice-growing seasons in 2010 in Japan. One approach to model r<sub>c</sub> was using an aerodynamic resistance (r...
journal article 2018
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Zhang, C. (author)
Scientific visualization of tensor fields is challenging due to the complex and multivariate nature of tensor data. The visualization of multiple tensor fields becomes even more difficult, and still in its infancy. This thesis aims at contributing visual analysis techniques for multiple 3D tensor fields.<br/>We focus specifically on the visual...
doctoral thesis 2017
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Yan, H. (author), Zhang, C. (author), Oue, Hiroki (author), Peng, Guang Jie (author), Darko, Ransford Opoku (author)
Accurate estimation of evapotranspiration is important in efficient water management for improving water use efficiency. In order to obtain evapotranspiration and evaporation beneath the canopy using the Food and Agriculture Organization (FAO) method, pan evaporation was used instead of reference evapotranspiration calculated by the Penman...
journal article 2017
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Chen, Zhi Guo (author), Chen, R. Y. (author), Zhong, R. D. (author), Schneeloch, John (author), Zhang, C. (author), Huang, Y. (author), Qu, F. (author), Yu, R. (author), Li, Q. (author), Gu, G. D. (author), Wang, N. L. (author)
Three-dimensional topological insulators (3D TIs) represent states of quantum matters in which surface states are protected by timereversal symmetry and an inversion occurs between bulk conduction and valence bands. However, the bulk-band inversion, which is intimately tied to the topologically nontrivial nature of 3D Tis, has rarely been...
journal article 2017
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Zhang, C. (author), Dao, V.T.S. (author), Etoh, T.G. (author), Shimonomura, K. (author), Charbon, E. (author)
conference paper 2015
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The validity of the recently proposed hypothesis that the influence of large-scale motions on the near-wall turbulence is quasisteady is investigated by quantitative comparisons with the data obtained by direct numerical simulations of a turbulent channel flow. Large-scale motions are filtered by a Fourier cut-off filter multi-objectively...
conference paper 2015
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Cats, O. (author), Zhang, C. (author), Nissan, A. (author)
Parking pricing policies can be used as a policy instrument to steer the parking market and reduce the externalities caused by traffic in general and parking in particular. A more efficient management of parking demand can improve the utilization of the limited parking capacity at high-demand areas. Even though parking policies are often a topic...
conference paper 2015
document
Cats, O. (author), Zhang, C. (author), Nissan, A. (author)
Parking pricing policies can be used as a policy instrument to steer the parking market and reduce the externalities caused by traffic in general and parking in particular. A more efficient management of parking demand can improve the utilization of the limited parking capacity at high-demand areas. Even though parking policies are often a topic...
conference paper 2015
document
Zhang, C. (author), Qin, C. (author)
This research is conducted to explore the growing trend of private vehicles in Beijing, China, in the coming 25 years using the system dynamics (SD) method. The vensim software is used to build the SD model and do simulations. First, the paper introduces the background of the private vehicles in Beijing and analyzes the issues of traffic...
conference paper 2014
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Man, Z. (author), Du, L. (author), Min, C. (author), Zhang, Y. (author), Zhang, C. (author), Zhu, S. (author), Urbach, H.P. (author), Yuan, X.C. (author)
Vector beams, which have space-variant state of polarization (SOP) comparing with scalar beams with spatially homogeneous SOP, are used to manipulate surface plasmon polarizations (SPPs). We find that the excitation, orientation, and distribution of the focused SPPs excited in a high numerical aperture microscopic configuration highly depend on...
journal article 2014
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