Results 31 to 40 of about 201,777 (208)
Remote SensingSpace-based opportunistic positioning is a crucial component of resilient positioning, navigation, and timing (PNT) systems, and it requires the acquisition of orbit information for non-cooperative low Earth orbit (LEO) satellites.
Ruofan Deng, Honglei Qin, Yu Zhang
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Orbit determination of space objects based on sparse optical data [PDF]
, 2010 While building up a catalog of Earth orbiting objects, if the available optical observations are sparse, not deliberate follow ups of specific objects, no orbit determination is possible without previous correlation of observations obtained at different ...
A. Milani +24 more
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Precise Orbit Determination of FY-3C with Calibration of Orbit Biases in BeiDou GEO Satellites
Remote Sensing, 2018 The emerging BeiDou navigation satellite system has contributed to global precise positioning and has recently moved toward space-borne applications.
Qiang Zhang +3 more
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AerospaceIn response to the increasing demand for high-precision navigation of satellites operating in the cislunar space, this study introduces an onboard orbit determination algorithm considering both convergence and computational efficiency, referred to as the
Yingjie Xu +5 more
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Orbit Determination for All-Electric GEO Satellites Based on Space-Borne GNSS Measurements
Remote Sensing, 2022 Orbit accuracy of the transfer orbit and the mission orbit is the basis for the orbit control of all-electric-propulsion Geostationary Orbit (GEO) satellites.
Wenqiang Lu +3 more
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Geosynchronous Satellite Orbit Determination [PDF]
International Astronomical Union Colloquium, 1997 AbstractThe paper presents the results of the orbit determination of geosynchronous satellites derived from 1921 positional observations of a few dozens of satellites obtained at the double wide-angle astrograph DWA (D=0.4m, F=2m) of the Main Astronomical Observatory of the National Academy of Sciences of Ukraine in 1985–1991.
openaire +3 more sources
Remote SensingDeep space exploration utilizing high-orbit vehicles is a vital approach for extending beyond near-Earth space, with orbit information serving as the foundation for all functional capabilities.
Zhengcheng Wu +4 more
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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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Assessment of Swarm Kinematic Orbit Determination Using Two Different Double-Difference Methods
Remote Sensing, 2023 The Swarm mission aims to study the principle and change regularities of the Earth’s magnetic field. Precise orbit determination is essential to the successful implementation of the mission and relevant scientific research.
Rui Zhang +5 more
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First In-orbit Experience of TerraSAR-X Flight Dynamics Operations [PDF]
, 2007 TerraSAR-X is an advanced synthetic aperture radar satellite system for scientific and commercial applications that is realized in a public-private partnership between the German Aerospace Center (DLR) and the Astrium GmbH.
D'Amico, Simone +5 more
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