LEO Enhanced Global Navigation Satellite System (LeGNSS): progress, opportunities, and challenges
Geo-spatial Information Science, 2021 With the completion of Chinese BeiDou Navigation Satellite System (BDS), the world has begun to enjoy the Positioning, Navigation, and Timing (PNT) services of four Global Navigation Satellite Systems (GNSS).
Haibo Ge +8 more
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GSTAR: an innovative software platform for processing space geodetic data at the observation level
Satellite Navigation, 2023 To meet the demands for the data combination with multiple space geodetic techniques at the observation level, we developed a new software platform with high extensibility and computation efficiency, named space Geodetic SpatioTemporal data Analysis and ...
Chuang Shi +11 more
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Satellite Positioning and Orbit Determination System (SPODS): Introduction and Evaluation [PDF]
Journal of Geodesy and Geoinformation Science, 2018 The Satellite Positioning and Orbit Determination System (SPODS) is a software package for GNSS positioning/orbit determination, developed by the Xi’an Research Institute of Surveying and Mapping.
Ziqing WEI,Rengui RUAN,Xiaolin JIA,Xianbing WU,Xiaoyong SONG,Yue MAO,Laiping FENG,Yongxing ZHU
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GNSS-based precise orbit determination for maneuvering LEO satellites [PDF]
, 2023 Maneuverability is essential for low Earth orbit (LEO) satellites to fulfill various operational objectives. However, the pre- cise orbit determination (POD) process might deteriorate due to imperfect satellite orbital dynamics modeling.
Arnold, Daniel +9 more
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Precise Orbit Determination of GPS-36 Satellite Using Satellite Laser Ranging [PDF]
Journal of Astronomy and Space Sciences, 2002 Satellite laser ranging is a technique for precisely measuring the range between a laser station and a satellite that is equipped with retro-reflectors. SLR technique was first used for Beacon-B satellite in 1964 with the ranging accuracy of meter level.
Hyung-Chul Lim +4 more
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Remote Sensing, 2021 The precise orbit determination (POD) accuracy of the Chinese BeiDou Navigation Satellite System (BDS) is still not comparable to that of the Global Positioning System because of the unfavorable geometry of the BDS and the uneven distribution of BDS ...
Min Li +6 more
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LEO Satellite Clock Modeling and Its Benefits for LEO Kinematic POD
Remote Sensing, 2023 High-accuracy Low Earth Orbit (LEO) satellite clock and orbital products are preconditions to realize LEO augmentation for high-accuracy GNSS-based positioning on the ground.
Kan Wang, Ahmed El-Mowafy, Xuhai Yang
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Precise Orbit Determination of BDS MEO Satellites Based on Satellite TT&C Stations
International Journal of Aerospace Engineering, 2016 A novel method, which is based on the triple-frequency combination and Space-Based Telemetry, Tracking, and Command (STT&C) stations, is proposed in this paper.
Kezhao Li +5 more
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GOCE: precise orbit determination for the entire mission [PDF]
, 2014 The Gravity field and steady-state Ocean Circulation Explorer (GOCE) was the first Earth explorer core mission of the European Space Agency. It was launched on March 17, 2009 into a Sun-synchronous dusk-dawn orbit and re-entered into the Earth’s ...
Beutler, Gerhard +3 more
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A More Reliable Orbit Initialization Method for LEO Precise Orbit Determination Using GNSS
Remote Sensing, 2020 Precise orbit determination (POD) using GNSS has been rapidly developed and is the mainstream technology for the navigation of low Earth orbit (LEO) satellites. The initialization of orbit parameters is a key prerequisite for LEO POD processing.
Xuewen Gong +3 more
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