Results 31 to 40 of about 2,642,880 (286)
Analysis of the Impact of Atmospheric Models on the Orbit Prediction of Space Debris
Sensors, 2023 Atmospheric drag is an important influencing factor in precise orbit determination and the prediction of low-orbit space debris. It has received widespread attention.
Yigao Ding +6 more
doaj +1 more source
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
doaj +1 more source
BDS Orbit Maneuver Detection Based on Epoch-Updated Orbits Estimated by SRIF
Remote Sensing, 2023 The orbit maneuver detection is crucial in Global Navigation Satellite System (GNSS) precise orbit determination, which is necessary for adjusting data processing strategies.
Zhiwei Qin +5 more
doaj +1 more source
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
doaj +1 more source
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
doaj
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
core +2 more sources
Assessment of numerical differentiation methods for kinematic orbit solution of the GRACE mission [PDF]
, 2013 textThe historical method of precise orbit determination is a dynamic approach. However, with the improvement of GPS tracking data and associated tracking networks, two newer methods have been developed: reduced-dynamic and kinematic.
Krishnan, Sandeep Kalyanapuram
core +1 more source
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
doaj +1 more source
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
doaj +1 more source
Pediatric Blood &Cancer, EarlyView.ABSTRACT Pediatric intramedullary low‐grade gliomas (PIMLGGs) are rare neoplasms that present unique clinical and management challenges. Although surgery remains the primary tool for tissue diagnosis and decompression, complete gross‐total resection is frequently unfeasible due to the infiltrative nature of these lesions.
Olga M. Sergeenko +5 more
wiley +1 more source