Results 21 to 30 of about 3,161,815 (352)
Analysis of the Impact of Atmospheric Models on the Orbit Prediction of Space Debris
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
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BeiDou Satellite Radiation Force Models for Precise Orbit Determination and Geodetic Applications
China's BeiDou satellite navigation system (BDS) has completed its full constellation in orbit since June 2020. Services have been evolved from regional (BDS-2) to global (BDS-3).
Bingbing Duan +5 more
semanticscholar +1 more source
Conjoint Analysis of GPS Based Orbit Determination among Traditional Methods
Satellite orbits are subject to change due to external forces. Various data gathering and processing methods exist to determine a perturbed orbit. The operators need to estimate satellite orbits for safe orbital operations.
Cevat Özarpa, İbrahim Öz
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Estimation of a General Along-Track Acceleration in the KOMPSAT-1 Orbit [PDF]
General along-track acceleration was estimated in the KOMPSAT-1 orbit determination process. Several sets of the atmospheric drag and solar radiation pressure coefficients were also derived with the different spacecraft area.
Byoung-Sun Lee +2 more
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The global navigation satellite system (GNSS) is developing rapidly, and the related market applications and scientific research are increasing. Studies based on large low Earth orbit (LEO) satellite constellations have become research hotspots.
Baopeng Xu +8 more
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Two-Site Optical Observation and Initial Orbit Determination for Geostationary Earth Orbit Satellites [PDF]
Optical observation system provides angle-only measurement for orbit determination of space object. Range measurement can be directly acquired using laser ranging or tone ranging system.
Jin Choi +4 more
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The accuracy of autonomous orbit determination of Lagrangian navigation constellation will affect the navigation accuracy for the deep space probes. Because of the special dynamical characteristics of Lagrangian navigation satellite, the error caused by ...
Youtao Gao +3 more
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Precise Orbit Determination of BDS MEO Satellites Based on Satellite TT&C Stations
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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A Parallel Approach for Multi-GNSS Ultra-Rapid Orbit Determination
Global Navigation Satellite System (GNSS) ultra-rapid orbit is critical for geoscience and real-time engineering applications. To improve the computational efficiency and the accuracy of predicted orbit, a parallel approach for multi-GNSS ultra-rapid ...
Chunhua Jiang +5 more
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To provide competitive global positioning and timing services under the condition that monitoring stations are confined to Chinese territory, inter-satellite link (ISL) technology is used by the third-generation BeiDou Navigation Satellite System (BDS-3).
Rengui Ruan +6 more
semanticscholar +1 more source

