SPECTRAL

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Advancing performance assessment of a spectral beam splitting hybrid PV/T system with water-based SiO_(2)nanofluid
《Frontiers in Energy》2024年第6期799-815,共17页Bin Yang Yuan Zhi Yao Qi Lingkang Xie Xiaohui Yu 
supported by the National Key R&D Program of China(Grant No.2022YFE0208300);the Multi-input Key Project of the Tianjin Natural Science Foundation,China(Grant No.22JCZDJC00760);Funded by the Science Research Project of Hebei Education Department,China(Grant No.CXY2024027).
Spectral beam split is attracting more attention thanks to the efficient use of whole spectrum solar energy and the cogenerative supply for electricity and heat.Nanofluids can selectively absorb and deliver specific s...
关键词：full-spectrum solar energy photovoltaic/thermal(PV/T)system water-based nanofluid system efficiency 
Secondary solar heat gain modelling of spectral-selective glazing based on dynamic solar radiation spectrum被引量：3
《Building Simulation》2023年第12期2211-2224,共14页Peng Xue Yi Shen Sheng Ye Jinqing Peng Yanyun Zhang Qianqian Zhang Yuying Sun 
the National Natural Science Foundation of China(51808011);the Natural Science Foundation of Chongqing(2022NSCQ-MSX5521).
The secondary solar heat gain,defined as the heat flows from glazing to indoor environment through longwave radiation and convection,grows with the increasing of glazing absorption.With the rapid development and appli...
关键词：econdary solar heat gain spectral-selective glazing solar spectrum dynamic heat transfer 
Effects of sampling frequency on node mobility prediction in dynamic networks: A spectral view被引量：1
《Digital Communications and Networks》2023年第4期1009-1022,共14页Peppino Fazio Miralem Mehic Miroslav Voznak 
supported by the Czech Ministry of Education,Youth and Sports under project Reg.No.SP2021/25;partially from the project“e-Infrastructure CZ”Reg.No.LM2018140.
The field of mobility prediction has been widely investigated in the recent past,especially the reduction of the coverage radius of cellular networks,which led to an increase in hand-over events.Changing the cell cove...
关键词：Mobile networking Frequency domain Mobility spectrum 
The Spectral Properties of p-Sombor(Laplacian)Matrix of Graphs
《Journal of Mathematical Research with Applications》2023年第3期277-288,共12页Hechao LIU Lihua YOU 
Supported by the National Natural Science Foundation of China (Grant Nos.11971180;12271337);the Characteristic Innovation Project of General Colleges and Universities in Guangdong Province (Grant No.2022KTSC X225)。
The Sombor index,which was recently introduced into chemical graph theory,can predict physico-chemical properties of molecules.In this paper,we investigate the properties of (p-)Sombor index from an algebraic viewpoin...
关键词：p-Sombor matrix p-Sombor Laplacian matrix p-Sombor spectrum 
Snapshot multispectral imaging using a diffractive optical network被引量：6
《Light(Science & Applications)》2023年第5期789-808,共20页Deniz Mengu Anika Tabassum Mona Jarrahi Aydogan Ozcan 
supported by the U.S.Department of Energy(DOE),Office of Basic Energy Sciences,Division of Materials Sciences and Engineering under Award#DE-SC0023088.
Multispectral imaging has been used for numerous applications in e.g.,environmental monitoring,aerospace,defense,and biomedicine.Here,we present a diffractive optical network-based multispectral imaging system trained...
关键词：SPECTRUM SPECTRAL spatially 
Spectral decimation for a graph-directed fractal pair
《Science China Mathematics》2022年第12期2503-2520,共18页Shiping Cao Hua Qiu Haoran Tian Lijian Yang 
supported by National Natural Science Foundation of China(Grant No.12071213);the Natural Science Foundation of Jiangsu Province in China(Grant No.BK20211142);。
We introduce a graph-directed pair of planar self-similar sets that possess fully symmetric Laplacians. For these two fractals, due to Shima’s celebrated criterion, we point out that one admits the spectral decimatio...
关键词：fractal Laplacian spectral decimation Dirichlet spectrum Neumann spectrum 
A quantum integral spectral enhancement method for Xray imaging被引量：2
《Optoelectronics Letters》2020年第5期390-395,共6页ZHU Yan XU Ning-xin MU Yi-ning WANG He WANG Yi-ming REN Hang 
This work has been supported by the National Natural Science Foundation of China(Nos.61905026 and 11874091);the Jilin Province Science and Technology Development Project(Nos.20180519019JH,20180804009HJ and 20190701024GH);the Jilin Province Industrial Innovation Special Fund Project(Nos.2018C040-3 and 2019C043-6);the Development of Key Laboratory of Astronomical Optics Technology,Chinese Academy of Sciences(No.CAS-KLAOTKF201803);the Changchun University of Science and Technology(No.XJJLG-2017-01).
In order to avoid the effect of photon defect on the imaging during X-ray generation,an imaging integral filter based on quantum enhancement was proposed in this paper to effectively reduce the sensitivity of X-ray de...
关键词：mechanism. spectrum. QUANTUM 
On the knee of Galactic cosmic rays in light of sub-TeV spectral hardenings
《Chinese Physics C》2018年第7期113-122,共10页Yi-Qing Guo1 2 Qiang Yuan1 3 1. Key Laboratory of Dark Matter and Space Astronomy Purple Mountain Observatory Chinese Academy of Sciences Nanjing 210008 China 2. Key Laboratory of Particle Astrophysics Institute of High Energy Physics 
Supported by National Key Research and Development Program of China(2016YFA0400200);the National Natural Science Foundation of China(11635011,11761141001,11663006,11722328);the 100 Talents program of Chinese Academy of Sciences
More than fifty years after the discovery of the knee in the cosmic ray （CR） spectra, its physical origin remains a mystery. This is partly due to the ambiguity of the energy spectra of individual components. Recent...
关键词：cosmic ray KNEE SPECTRUM PROPAGATION 
A Direct Transformation of a Matrix Spectrum
《Advances in Linear Algebra & Matrix Theory》2015年第3期109-128,共20页Albert Iskhakov Sergey Skovpen 
A method is presented for calculating a matrix spectrum with a given set of eigenvalues. It can be used to build systems with different spectrums with the aim of choosing desired alternative. It enables a practical im...
关键词：MATRIX SPECTRUM FROBENIUS MATRIX FROBENIUS TRANSFORMATION SPECTRAL Equation 
Spectral Inclusion Properties of Unbounded Hamiltonian Operators
《Chinese Annals of Mathematics,Series B》2015年第2期201-212,共12页Yaru QI Junjie HUANG Alatancang CHEN 
supported by the Natural Science Foundation of China(Nos.11461049,11371185);the Major Program of the National Natural Science Foundation of Inner Mongolia(No.2013ZD01);the National Science Foundation for Fostering Distinguished Young Scholars of Inner Mongolia(No.2013JQ01)
In this paper, the authors investigate the spectral inclusion properties of the quadratic numerical range for unbounded Hamiltonian operators. Moreover, some examples are presented to illustrate the main results.
关键词：Hamiltonian operator SPECTRUM Quadratic numerical range 
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