Results 11 to 20 of about 202,602 (307)
A review of real-time multi-GNSS precise orbit determination based on the filter method
Satellite Navigation, 2022 Stable and reliable high-precision satellite orbit products are the prerequisites for the positioning services with high performance. In general, the positioning accuracy depends strongly on the quality of satellite orbit and clock products, especially ...
Yidong Lou +7 more
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Remote Sensing, 2023 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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Experiments in orbit determination using numerical methods [PDF]
, 1985 The dynamics of the observed object is written as a system of integral equations. This system is solved numerically by representing the components of the force function as linear combinations of B-splines and by applying the multigrid technique.
Traas, C.R.
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Orbit determination and control for the European Student Moon Orbiter [PDF]
, 2012 This paper presents the preliminary navigation and orbit determination analyses for the European Student Moon Orbiter. The severe constraint on the total mission Delta nu and the all-day piggy-back launch requirement imposed by the limited available ...
Gibbings, Alison +5 more
core +1 more source
Two-Site Optical Observation and Initial Orbit Determination for Geostationary Earth Orbit Satellites [PDF]
Journal of Astronomy and Space Sciences, 2010 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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International Journal of Aerospace Engineering, 2016 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
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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A Parallel Approach for Multi-GNSS Ultra-Rapid Orbit Determination
Remote Sensing, 2021 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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Remote Sensing, 2022 Future Geosynchronous Synthetic Aperture Radar (GEOSAR) missions will provide permanent monitoring of continental areas of the planet with revisit times of less than 24 h.
Jorge Nicolás-Álvarez +6 more
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IEEE Access, 2023 Massive global Low Earth Orbit (LEO) constellations have been developed rapidly with the characteristics of larger number and shorter orbital periods of LEO satellites in recent years.
Shuren Guo +6 more
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