SPECTRA

作品数：1136被引量：1441H指数：13
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A Monte Carlo study of the spectra from inhomogeneous accretion flow
《Research in Astronomy and Astrophysics》2017年第8期101-108,共8页Xiao-Di Yu Ya-Ping Li Fu-Guo Xie Ren-Yi Mai 
supported by the National Natural Science Foundation of China under grants 11333004, 11133005, 11573051 and U1531130;the Fundamental Research Funds for the Central Universities under grant 20720150032;supported in part by the Youth Innovation Promotion Association of CAS (id. 2016243);the National Basic Research Program of China (973 Program, grant 2014CB845800);the Strategic Priority Research Program ‘The Emergence of Cosmological Structures’ of CAS (grant XDB09000000);the CAS/SAFEA International Partnership Program for Creative Research Teams;the Natural Science Foundation of Shanghai (grant 17ZR1435800);sponsored in part by Shanghai Sailing Program (No. 17YF1422600)
A model of an inhomogeneous accretion flow,in which cold clumps are surrounded by hot gas or corona,has been proposed to explain the spectral features of black hole X-ray binaries.In this work,we try to find possible ...
关键词：ACCRETION accretion disks—X-rays binaries—stars black holes 
A method of measuring the [α/Fe] ratios from the spectra of the LAMOST survey被引量：1
《Research in Astronomy and Astrophysics》2016年第7期83-96,共14页Ji Li Chen Han Mao-Sheng Xiang Jian-Rong Shi Jing-Kun Zhao Xiao-Wei Liu Hua-Wei Zhang Hai-Bo Yuan Xuan Ci Xiao-Feng Zhang Yue-Xiang Wang Yang Huang Yong Zhang Yong-Hui Hou Yue-Fei Wang Zi-Huang Cao 
supported by the National Key Basic Research Program of China(973Program,No.2014CB845700);the National Natural Science Foundation of China(Grant Nos.U1331120,U1431106,U1531118,U1531244 and 11473001);The Guo Shou Jing Telescope(the Large Sky Area MultiObject Fiber Spectroscopic Telescope,LAMOST)is aNational Major Scientific Project built by the Chinese Academy of Sciences;provided by the National Development and Reform Commission.LAMOST is operated and managed by National Astronomical Observatories,Chinese Academy of Sciences
The [α/Fe] ratios in stars are good tracers to probe the formation history of stellar populations and the chemical evolution of the Galaxy. The spectroscopic survey of LAMOST provides a good opportunity to determine ...
关键词：GALAXY evolution stars abundances stars fundamental parameters techniques spectroscopy surveys methods data analysis 
Influences of atmospheric turbulence effects on the orbital angular momentum spectra of vortex beams被引量：23
《Photonics Research》2016年第5期1-4,共4页Shiyao Fu Chunqing Gao 
National Basic Research Program of China(973Program)(2014CB340004,2014CB340002)
We investigate the atmospheric turbulence effects on orbital angular momentum(OAM) spectra of different kinds of vortex beams, including Laguerre–Gaussian(LG) beams and Bessel beams, numerically. We generate the holo...
关键词：OAM LG 
The Euclidean Distance Spectra of FDMA-CPM: Algorithms and Applications
《Chinese Journal of Electronics》2014年第4期821-826,共6页LI Bing BAI Baoming Tor Aulin 
supported by the National Basic Research Program of China(973Program)(No.2012CB316100);the National Natural Science Foundation of China(No.61372074,No.61101148);National Key Laboratory Foundation of China(No.9140C530401120C53201)
The performance of multiuser Continuous phase modulation(CPM) over the additive white Gaussian noise channel with coherent maximum likelihood detection is considered. Algorithms are developed to calculate the Euclidea...
关键词：Continuous phase modulation Mini- mum achievable Euclidean distance Achievable spectral efficiency Frequency division multiple access. 
Surface photovoltage phase spectroscopy study of the photo-induced charge carrier properties of TiO_(2) nanotube arrays被引量：3
《Science China Chemistry》2012年第2期229-234,共6页CHEN LiPing XIE TengFeng WANG DeJun FAN ZhiYong JIANG TengFei 
supported by the National Basic Research Program of China (973 Program,2007CB613303);the National Natural Science Foundation of China (20873053)
By using the surface photovoltage (SPV) technique based on a lock-in amplifier, surface states located 3.1 eV below the conduction band of TiO_(2) have been detected in TiO_(2) nanotube arrays prepared by anodization ...
关键词：surface photovoltage phase spectra TiO_(2) nanotube arrays surface state charge carrier property 
Quantitative analysis for nonlinear fluorescent spectra based on edges matching
《Science China(Technological Sciences)》2010年第5期1190-1197,共8页CHEN Yang,ZHANG TaiNing,GUO Peng,WANG XiangHui & CHANG ShengJiang Institute of Modern Optics,Key laboratory of Opto-electronic Information Science and Technology of Ministry of Education,Nankai University,Tianjin 300071,China 
supported by the National Basic Research Program of China ("973" Program) (Grant No.2007CB310403);the Key Program of the Natural Science Foundation of Tianjin (Grant No.07JCZDJC05500);the National Natural Science Foundation of China (Grant Nos.60772105,10704043)
A novel spectra-edge-matching approach is proposed for the quantitative analysis of the nonlinear fluorescence spectra of the air impurities excited by a femtosecond laser.The fluorescence spectra are first denoised a...
关键词：NONLINEAR fluorescence SPECTRUM feature MATCHING EDGES of SPECTRUM 
Subgrid-scale contributions to Lagrangian time correlations in isotropic turbulence被引量：3
《Acta Mechanica Sinica》2009年第1期45-49,共5页Jian Zhang Guowei He Lipeng Lu 
the Chinese Academy of Sciences under the Innovative Project"Multi-scale modeling and simulation in complex Systems" (KJCX-SW-L08);the National Basic Research Program of China (973 Program) (2007CB814800); the National Natural Science Foundation of China (10325211, 10628206,10732090 and 10672012)
The application of large-eddy simulation （LES） to particle-laden turbulence raises such a fundamental question as whether the LES with a subgrid scale （SGS） model can correctly predict Lagrangian time correlations...
关键词：Isotropic turbulence Large eddy simulation Lagrangian time correlation Enstrophy spectra 
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