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相关领域：自动化与计算机技术文化科学更多>>
相关作者：邹雪莲徐建肖莉更多>>
相关机构：信息工程职业学院《建设科技》浙江省教育技术中心杭州电子科技大学更多>>
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二分图中高效计算top-n maximalα-biclique的方法研究
《软件工程》2024年第9期43-49,共7页唐东杭 吴进高 徐建 
针对当二分图中一类节点的数量固定时,如何搜索另一类型节点数量排序为前n的maximalα-biclique的问题,提出了一种基础搜索算法和一种基于共同邻居概念的改进搜索算法。在使用(1,α)-core剪枝方法加快搜索的算法基础上,基于共同邻居搜...
关键词：(1 α)-core maximalα-biclique 共同邻居 节点顺序 
HiFAST:An HI Data Calibration and Imaging Pipeline for FAST.Ⅱ.Flux Density Calibration
《Research in Astronomy and Astrophysics》2024年第8期100-112,共13页Ziming Liu Jie Wang Yingjie Jing Zhi-Yu Zhang Chen Xu Tiantian Liang Qingze Chen Ningyu Tang Qingliang Yang 
the support of the China National Key Program for Science and Technology Research and Development of China(2022YFA1602901,2023YFA1608204);the National Natural Science Foundation of China(Nos.11988101,11873051,12125302,12373011,12041305,12173016);the CAS Project for Young Scientists in Basic Research grant(No.YSBR-062)。
Accurate flux density calibration is essential for precise analysis and interpretation of observations across different observation modes and instruments.In this research,we first introduce the flux calibration model ...
关键词：telescopes-techniques image processing-methods observational-radio continuum galaxies-cosmology observations 
Probing the Galactic Halo with RR Lyrae Stars.VI.The Radial Velocity Curve Templates of RRc Stars
《Research in Astronomy and Astrophysics》2024年第7期118-134,共17页Yue Huang Min Fang Gaochao Liu Xianzhong Zheng Sarah Ann Bird Yang Huang Jianrong Shi Jiangtao Wang Huawei Zhang Haijun Tian Haotong Zhang 
supported by the National Key Research and Development Program of China(2023YFA1608100);the National Natural Science Foundation of China(NSFC,grant Nos.12090044,11833006 and 12303023);the science research grants from the China Manned Space Project including the CSST Milky Way and Nearby Galaxies Survey on Dust and Extinction Project CMS-CSST-2021-A09 and No.CMS-CSST-2021-A08.G.C.L;Hubei Provincial Natural Science Foundation with grant No.2023AFB577;the Key Laboratory Fund of Ministry of Education under grant No.QLPL2022P01;National Natural Science Foundation of China(NSFC,Grant No.U1731108)。
We present radial velocity(RV)curve templates of RR Lyrae first-overtone(RRc)stars constructed with the Mg I b triplet and Hαlines using time-domain Medium-Resolution Survey spectra of seven RRc stars from Large Sky ...
关键词：STARS VARIABLES RR Lyrae-Stars-techniques radial velocities 
Astronomical Test with CMOS on the 60 cm Telescope at the Xinglong Observatory,NAOC
《Research in Astronomy and Astrophysics》2024年第5期85-102,共18页Hai-Yang Mu Zhou Fan Yi-Nan Zhu Yu Zhang Hong Wu 
This work shows details of an evaluation of an observational system comprising a complementary metal-oxidesemiconductor detector, 60 cm telescope and filter complement. The system’s photometric precision and differen...
关键词：atmospheric effects-instrumentation detectors-techniques polarimetric-stars atmospheres-eclipses 
Low Surface Brightness Galaxies from BASS+MzLS with Machine Learning
《Research in Astronomy and Astrophysics》2024年第5期185-197,共13页Peng-Liang Du Wei Du Bing-Qing Zhang Zhen-Ping Yi Min He Hong Wu 
supported by the National Key R&D Program of China(grant No.2022YFA1602901);the Youth Innovation Promotion Association,Chinese Academy of Sciences(No.2020057);the science research grants from the China Manned Space Project,and the National Natural Science Foundation of China(NSFC,grant Nos.12090041 and 12090040);Additional support comes from the Strategic Priority Research Program of the Chinese Academy of Sciences(grant Nos.XDB0550100 and XDB0550102);the Open Project Program of the Key Laboratory of Optical Astronomy,National Astronomical Observatories,Chinese Academy of Sciences。
From ∼5000 deg^(2) of the combination of the Beijing–Arizona Sky Survey and Mayall z-band Legacy Survey which is also the northern sky region of the Dark Energy Spectroscopic Instrument (DESI) Legacy Imaging Surveys...
关键词：catalogs-galaxies fundamental parameters-galaxies statistics-techniques PHOTOMETRIC 
A Novel Imaging Method Based on Reweighted Total Variation for an Interferometer Array on Lunar Orbit
《Research in Astronomy and Astrophysics》2023年第12期204-214,共11页Xiaocheng Yang Mengna Wang Lin Wu Jingye Yan Junbao Zheng Li Deng 
supported by the Specialized Research Fund for State Key Laboratories under Grant 202217;the Key Laboratory of Solar Activity and Space Weather(NSSC)under Grant E26600021S。
Ground-based radio observations below 30 MHz are susceptible to the ionosphere of the Earth and the radio frequency interference.Compared with other space mission concepts,making low frequency observations using an in...
关键词：methods data analysis-instrumentation interferometers-techniques interferometric-space vehicles instruments-(cosmology:)dark ages-reionization-first stars 
Fault Diagnosis of the LAMOST Fiber Positioner Based on a Long Short-term Memory(LSTM)Deep Neural Network被引量：1
《Research in Astronomy and Astrophysics》2023年第12期81-95,共15页Yihu Tang Yingfu Wang Shipeng Duan Jiadong Liang Zeyu Cai Zhigang Liu Hongzhuan Hu Jianping Wang Jiaru Chu Xiangqun Cui Yong Zhang Haotong Zhang Zengxiang Zhou 
Funding for the research was provided by Cui Xiangqun’s Academician Studio;Funding for the project has been provided by the National Development and Reform Commission。
The Large Sky Area Multi-Object Fiber Spectroscopic Telescope(LAMOST)has been in normal operation for more than 10 yr,and routine maintenance is performed on the fiber positioner every summer.The positioning accuracy ...
关键词：telescopes-techniques image processing-methods analytical-techniques SPECTROSCOPIC 
Phased Array Feed Experiments and Galactic HI Observations
《Research in Astronomy and Astrophysics》2023年第8期297-307,共11页B.Liu H.W.Xi D.J.Ding Z.W.Wang S.H.Yu Y.Zhu L.Yu X.Zhang J.L.Li L.J.Liu Q.Su Y.Wu C.J.Jin B.Peng 
supported by the National Key R&D Program of China under grant No.2018YFA0404703;the Open Project Program of the Key Laboratory of FAST,NAOC,Chinese Academy of Sciences。
The Phased Array Feed(PAF)is considered as one of the next generation receivers for radio telescopes,which can significantly enlarge the instantaneous Field-of-View of large aperture single dish radio telescopes and e...
关键词：INSTRUMENTATION detectors-techniques imaging spectroscopy-line profiles 
An in-depth Exploration of LAMOST Unknown Spectra Based on Density Clustering
《Research in Astronomy and Astrophysics》2023年第5期52-65,共14页Hai-Feng Yang Xiao-Na Yin Jiang-Hui Cai Yu-Qing Yang A-Li Luo Zhong-Rui Bai Li-Chan Zhou Xu-Jun Zhao Ya-Ling Xun 
supported by the National Natural Science Foundation of China (Grant Nos. U1931209, 62272336);Projects of Science and Technology Cooperation and Exchange of Shanxi Province (Grant Nos. 202204041101037, 202204041101033);the central government guides local science and technology development funds (Grant No. 20201070);The Fundamental Research Program of Shanxi Province (Grant Nos. 20210302123223, 202103021224275);the Ph D Start-up Foundation of Taiyuan University of Science and Technology (20222119);Guo Shou Jing Telescope (the Large sky Area Multi-Object fiber Spectroscopic Telescope, LAMOST) is a National Major Scientific Project built by the Chinese Academy of Sciences. Funding for the project has been provided by the National Development and Reform Commission。
Large sky Area Multi-Object fiber Spectroscopic Telescope(LAMOST) has completed the observation of nearly 20 million celestial objects,including a class of spectra labeled “Unknown.” Besides low signal-to-noise rati...
关键词：METHODS data analysis-surveys-techniques spectroscopic-site testing-methods analytical 
NGC 4117:A New Compton-thick AGN Revealed by Broadband X-Ray Spectral Analysis
《Research in Astronomy and Astrophysics》2023年第5期19-26,共8页Pavithra Mohanadas Adlyka Annuar 
the support provided for this research from Fundamental Research Grant Scheme code FRGS/1/2019/ STG02/UKM/02/7, which is funded by the Malaysian Ministry of Higher Education (MoHE)。
In this paper,we present the broadband(0.5–195 keV)X-ray spectral analysis for one of the newly detected AGNs in the Swift-BAT 105 month Hard X-ray Survey Catalog,NGC 4117.According to our ongoing research on low lum...
关键词：galaxies active-X-rays galaxies-techniques spectroscopic 
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