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作品数：28被引量：15H指数：2
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A correlation study of selected geomagnetic events recorded by the Egyptian observatories and INTERMAGNET stations被引量：1
《Earthquake Science》2025年第2期81-92,共12页Aalaa Samy Tarek Arafa-Hamed Abdou Abdelkader Ahmed Khashaba Emad Takla 
Geomagnetic observatory data are crucial for all branches of geophysics because they can contribute to earthquake research by detecting anomalies in the Earth’s magnetic field.Recently,data records from the Misallat(...
关键词：Egyptian geomagnetic observatories correlation wavelet coherence INTERMAGNET 
Review of the development of Lunar Laser Ranging
《Astronomical Techniques and Instruments》2024年第6期295-306,共12页Kai Huang Yongzhang Yang Rufeng Tang Jin Cao Marco Muccino Luca Porcelli Simone Dell'Agnello Yuqiang Li 
supported by the National Key Research and Development Program of China (2021YFA0715101);the National Natural Science Foundation of China (12033009, 12103087);the Strategic Priority Research Program of the Chinese Academy of Sciences (XDA0350300);the International Partnership Program of Chinese Academy of Sciences (020GJHZ2022034FN);the Yunnan Fundamental Research Projects (202201AU070225, 202301AT070328, 202401AT070141);the Young Talent Project of Yunnan Revitalization Talent Support Program;supported by ESA (European Space Agency) under the ESA-INFN contract n. 4000133721/21/NL/CR and by ASI (Agenzia Spaziale Italiana) under the Research Agreement n. 2019-15-HH.0
This paper provides a comprehensive overview of the development of Lunar Laser Ranging(LLR),covering key components such as ground observatories,lunar retro-reflectors,and data formats.The paper details the evolution ...
关键词：Lunar Laser Ranging Retro-reflectors OBSERVATORIES GRAVITY 
Solar image reconstruction method under atmospheric turbulence at Fuxian Lake Solar Observatory
《Astronomical Techniques and Instruments》2024年第2期128-139,共12页Sizhong Zou Zhenyu Jin Kaifan Ji Jun Xu Lei Yang 
sponsored by the National Natural Science Foundation of China(NSFC)under the grant numbers(11773073,11873027,U2031140,11833010);Yunnan Key Laboratory of Solar Physics and Space Science under the number 202205AG070009;Yunnan Provincial Science and Technology Department(202103AD50013,202105AB160001,202305AH340002);the GHfund A202302013242 and CAS“Light of West China”Program 202305AS350029.
Strong atmospheric turbulence reduces astronomical seeing,causing speckle images acquired by ground-based solar telescopes to become blurred and distorted.Severe distortion in speckle images impedes image phase deviat...
关键词：Astronomical seeing Solar telescopes Solar observatories Astronomy image processing Phase error DECONVOLUTION 
Optical and X-Ray Studies of Marginal Contact Binary RW Dor Using TESS and XMM-Newton Observatories被引量：1
《Research in Astronomy and Astrophysics》2023年第11期183-197,共15页K.Sriram G.Mamatha Rani 
financial support from the SERB Core Research Grant project,the Government of India;support from the SRF INSPIRE(IF 170314)fellowship program,Government of India。
Marginal short-period contact binaries are important to understand as they pose a different physical scenario than the predicted theoretical model based on the thermal relaxation oscillation mechanism due to their sha...
关键词：(stars:)binaries(including multiple):close X-rays:binaries stars:activity 
A Review of Orbital Mechanics for Space-Based Gravitational Wave Observatories
《Space(Science & Technology)》2023年第1期112-132,共21页Dong Qiao Feida Jia Xiangyu Li Xingyu Zhou 
supported by the National Key R&D Program of China(Grant No.2020YFC2201200).
The confirmation of gravitational waves in recent years has set off a new upsurge of exploring the extreme interactions critical to the origin and evolution of stars,galaxies,and the universe.The detection of gravitat...
关键词：GRAVITATIONAL GALAXIES STARS 
The study of geomagnetic jerk from 2010 to 2021 based on hourly mean data from global geomagnetic observatories
《Earth and Planetary Physics》2023年第1期39-48,共10页YiJun Li Yan Feng SuQin Zhang Shuang Liu JinYuan Zhang GuanChun Wei 
the support of the National Natural Science Foundation of China(Nos.42030203,41974073,41404053);the Macao Foundation and the pre-research project of Civil Aerospace Technologies(Nos.D020308 and D020303);which is funded by the China National Space Administration;support from the opening fund of the State Key Laboratory of Lunar and Planetary Sciences(Macao University of Science and Technology,Macao Science and Technology Development Fund[FDCT]No.119/2017/A3);the Specialized Research Fund for State Key Laboratories;the NUIST-Uo R International Research Institute。
The secular variation in the global geomagnetic field was analyzed in terms of the annual differences in monthly means by using the hourly mean data from 18 foreign(outside China)observatories of the World Data Center...
关键词：geomagnetic field secular variation JERK covariance matrix 
Chinese Sunspot Drawings and Their Digitization—(Ⅶ) Sunspot Penumbra to Umbra Area Ratio Using the Hand-Drawing Records from Yunnan Observatories
《Research in Astronomy and Astrophysics》2022年第9期132-139,共8页Jia-Wei Hou Shu-Guang Zeng Sheng Zheng Xiao-Yu Luo Lin-Hua Deng Yang-Yang Li Yan-Qing Chen Gang-Hua Lin Yong-Li Feng Jin-Ping Tao 
supported by the National Natural Science Foundation of China (Grant Nos. U2031202 and U1731124);the special foundation work of the Ministry of Science and Technology of China (Grant No. 2014FY120300);the 13th Five-year Informatization Plan of Chinese Academy of Sciences (Grant No. XXH13505-04)。
The ratio of penumbral to umbra area of sunspots plays a crucial role in the solar physics fields, especially for understanding the origin and evolution of the solar activity cycle. By analyzing the recently digitized...
关键词：Sun:sunspots Sun:photosphere Sun:activity techniques:image processing 
pysky: An Application for the Planning of Multi-Target Astronomical Observations
《Journal of Applied Mathematics and Physics》2021年第11期2765-2775,共11页Allen E. Rocha William D. Parker 
To automate the process of planning and curating multi-target observation sessions, pysky application builds on the astroplan Python package to identify visible objects during an observation window and produce relevan...
关键词：Observational Astronomy OBSERVATORIES Astronomy Software 
Wavelet Analyses of Geomagnetic Data regarding Major Geomagnetic Disturbances
《Journal of Environmental Science and Engineering(B)》2021年第1期31-39,共9页Laurentiu Asimopolos Natalia-Silvia Asimopolos Adrian Aristide Asimopolos 
The purpose of this study was to analyze the associated spectrum of geomagnetic field,frequencies intensity and the time of occurrence.We calculated the variation of the correlation coefficients,with mobile windows of...
关键词：Fourier spectral deconvolution wavelet analyses geomagnetic disturbances geomagnetic observatories 
Chinese sunspot drawings and their digitization–(Ⅱ)accuracy analysis for digitized sunspot hand-drawing records of Yunnan Observatories
《Research in Astronomy and Astrophysics》2020年第4期156-162,共7页Yang Peng Xiao-Yu Luo Shu-Guang Zeng Lin-Hua Deng Sheng Zheng Gang-Hua Lin Yu-Lin Cheng Jin-Ping Tao Yong-Li Feng 
supported by the National Natural Science Foundation of China(Grant Nos.U1731124,U1531247,11427901 and 11873089);the special foundation work of the Ministry of Science and Technology of China(Grant No.2014FY120300);the 13th Five-year Informatization Plan of Chinese Academy of Sciences(Grant No.XXH13505–04);the Youth Innovation Promotion Association CAS.The hand-drawing historic。
Sunspots are the most striking and easily observed magnetic structures of the Sun,and statistical analysis of solar historical data could reveal a wealth of information on the long-term variation of solar activity cyc...
关键词：SUNSPOTS methods:data analysis techniques:image processing 
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