EPHEMERIS

作品数：36被引量：64H指数：4
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相关领域：天文地球更多>>
相关作者：奚小瑾更多>>
相关机构：中国科学院国家授时中心更多>>
相关期刊：《Journal of Donghua University(English Edition)》《Chinese Physics B》《Journal of High Energy Physics, Gravitation and Cosmology》《Journal of Systems Engineering and Electronics》更多>>
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A Novel Ephemeris Model for Martian Moons Incorporating Their Free Rotation
《Research in Astronomy and Astrophysics》2024年第11期181-191,共11页Yong-Zhang Yang Kai Huang Jian-Guo Yan Yu-Qiang Li 
supported by the National Key Research and Development Program of China(2021YFA0715101);the National Natural Science Foundation of China(NSFC,grant Nos.12033009 and 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。
High-precision ephemerides not only support space missions,but can also be used to study the origin and future of celestial bodies.In this paper,a coupled orbit-rotation dynamics model that fully takes into account th...
关键词：planets and satellites dynamical evolution and stability methods NUMERICAL celestial mechanics ASTROMETRY 
Close relative motion on distant retrograde orbits被引量：3
《Chinese Journal of Aeronautics》2023年第3期335-356,共22页Chihang YANG Ming WANG Hao ZHANG 
supported by the Strategic Priority Research Program of Chinese Academy of Sciences(No.XDA30010200)。
Distant Retrograde Orbits(DROs)in the Earth-Moon system have great potential to support varieties of missions due to the favorable stability and orbital positions.Thus,the close relative motion on DROs should be analy...
关键词：Distant retrograde orbits Ephemeris model Floquet theory Formation flight Relative motion Spacecraft Three-body problem Transfer singularity 
Satellite integrity monitoring for satellite-based augmentation system:an improved covariance-based method被引量：1
《Satellite Navigation》2022年第1期74-84,I0003,共12页Shuaiyong Zheng Mengzhi Gao Zhigang Huang Xiaoqin Jin Kun Li 
supported by the Research Startup Funds from Tianjin University of Technology under Grant 01002101.
Satellite integrity monitoring is vital to satellite-based augmentation systems,and can provide the confdence of the diferential corrections for each monitored satellite satisfying the stringent safety-of-life require...
关键词：Clock-ephemeris covariance matrix Groove model Satellite-based augmentation system Scale model User diferential range error 
Performance analysis of SBAS ephemeris corrections and integrity algorithms in China region被引量：5
《Satellite Navigation》2021年第1期213-226,共14页Biao Jin Shanshan Chen Dongjun Li Yuechen Wang Elhadi Takka 
the Equipment Pre-research Foundation of China(No.61405180103);the National Natural Science Foundation of China(No.41974041).
Satellite Based Augmentation Systems(SBASs)improve the positioning accuracy and integrity by broadcasting to the civil aviation community the corrections and integrity parameters.A snapshot algorithm based on the mini...
关键词：SBAS Minimum variance estimation Ephemeris correction UDRE 
Distribution of Reference Stations:Initial Explore on the Optimal Selection Strategy
《Chinese Journal of Electronics》2021年第4期752-758,共7页BAO Junjie LI Rui SHAO Bo HUANG Zhigang 
supported by the National National Key Research and Development Program of China(No.2020YFB05056027)。
The Satellite-based augmentation system(SBAS)is intended to provide real-time differential global navigation satellite system corrections with the high accuracy,availability,and integrity required for aviation applica...
关键词：Ground reference stations distribution Satellite surveillance dilution of precision Relative centroid metric Clock and ephemeris corrections Ionospheric corrections 
Leveraging quasi-periodic orbits for trajectory design in cislunar space被引量：1
《Astrodynamics》2021年第2期139-165,共27页Brian P.McCarthy Kathleen C.Howell 
Incorporating quasi-periodic orbits into the preliminary design process offers a wide range of options to meet mission constraints and address the challenges in a complex trade space.In this investigation,linear stabi...
关键词：multi-body dynamical systems quasi-periodic orbits trajectory analysis cislunar trajectory design near rectilinear halo orbit ephemeris dynamical model 
Computation of the atmosphere-less light intensity curve during a total solar eclipse by using Lunar Reconnaissance Orbiter topography data and the DE430 astronomical ephemeris
《Research in Astronomy and Astrophysics》2021年第1期105-118,共14页Yun-Bo Wang Jian-Guo Yan Mao Ye Yong-Zhang Yang Fei Li Jean-Pierre Barriot 
the National Natural Science Foundation of China(U1831132 and 41804025);grant of Hubei Province Natural Science(2018CFA087);supported by the grant from Key Laboratory of Lunar and Deep Space Exploration,CAS;LIESMARS Special Research Funding;funded through a DAR grant in planetology from the French Space Agency(CNES)。
Observations of the sky irradiation intensity in the visible wavelengths during a solar eclipse permit to model the Sun diameter,a key number to constrain the internal structure of our star.In this paper,we present an...
关键词：ECLIPSE MOON Sun:fundamental parameters 
Rendezvous to asteroid with highly uncertain ephemeris: Hayabusa2’s Ryugu-approach operation result被引量：3
《Astrodynamics》2020年第2期137-147,共11页Yuichi Tsuda Hiroshi Takeuchi Naoko Ogawa Go Ono Shota Kikuchi Yusuke Oki Masateru Ishiguro Daisuke Kuroda Seitaro Urakawa Shin-ichiro Okumura Hayabusa2 Project Team 
JSPS KAKENHI Grant No.18H01628 also supported this work.
This paper describes the guidance and navigation technique used by Hayabusa2 for the asteroid rendezvous operation to reach Ryugu.The operation results,including the achieved guidance and navigation performance,are al...
关键词：solar system exploration sample return optical navigation trajectory optimization spacecraft guidance 
Leonardo 500 Years: Digital Experiences in Milan, Rio de Janeiro and São Paulo
《Journal of Literature and Art Studies》2020年第5期440-451,共12页Isabella Vicente Perrotta 
The object of this study is the impact of technology in four exhibitions held to celebrate the 500 years of the death of Leonardo da Vinci on 2019.Two exhibitions took place in Milan,Italy,one took place in Rio de Jan...
关键词：Ephemeris Leonardo da Vinci 500 Immersive exhibitions aura of the original Digital experiences after the pandemic 
Optimal Weighting Method for Reducing Digital Satellite TV Differential Timing Error被引量：3
《Chinese Journal of Electronics》2020年第2期322-326,共5页WANG Shanhe HUA Yu XIANG Yu HUANG Changjiang GAO Yuanyuan ZHAO Xian 
We illustrate the principle of Digital satellite TV differential timing(DSTVDT) and propose an optimal weighting method that reduces the timing error introduced by satellite ephemeris error. A mathematical formula for...
关键词：Digital SATELLITE TV DIFFERENTIAL timing(DSTVDT) SATELLITE EPHEMERIS error TIMING accuracy OPTIMAL weighting method 
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