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Chapter and Conference Paper
Real-Time Kinematic Orbit Determination of GEO Satellite with the Onboard GNSS Receiver
The spacecraft has widely used Global Navigation Satellite System (GNSS) in precise navigation, attitude determination, formation flight and time synchronization. For high earth orbit spacecraft, the space env...
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Article
Unidirectionally aligned bright quantum rods films, using T-shape ligands, for LCD application
Unidirectionally aligned nanorods (NRs) are of great importance for different applications, including displays, lighting, and photodetectors. Recently, many alignment techniques were studied to align quantum r...
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Chapter and Conference Paper
Study on the Relationship Between the Equivalent GDOP and the Convergence Time of LEO-Augmented BDS PPP
Compared with BeiDou satellites, low earth orbit (LEO) satellites travel faster and show greater changes in spatial geometry within the same duration. When they are served as navigation satellites and assist B...
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Chapter and Conference Paper
Attitude Determination Method Based on GNSS Signals Null Steering Technology
GNSS signals are usually used for positioning, but some applications also use them to determinate direction, such as geography north. The attitude of a vehicle could be determined by using multiple short basel...
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Chapter and Conference Paper
The Dispersion Effect of Pseudo-noise Ranging and Time Delay Measurement for Ka Inter-satellite Link
BD-3 navigation satellite system uses the Ka Inter-satellite Link (ISL) technology. The accuracy of the distances between satellites is one of important parameters for autonomous navigation, which depends on t...
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Chapter and Conference Paper
Satellite Laser Links Pointing Accuracy Analysis Methods
Due to the small scattering angle of the laser beam at the transmitting end and the small captured field of view at the receiving end of the laser inter-satellite equipment, the pointing accuracy of the laser ...
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Chapter and Conference Paper
Investigation on Centralized Autonomous Orbit Determination Using Inter-satellite Ranging
Autonomous operation capability is essential to improve the overall satellite constellation in terms of stability, reliability and timeliness. In this paper, we assume a miniature constellation based on BeiDou...
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Chapter and Conference Paper
On Precise Inertial Force Modeling for Autonomous Orbit Propagation in Earth-Centered Fixed System for Earth Satellites
It has been a common practice to propagate satellite orbits in Earth-centred inertial system, such as the dynamic J2000 mean-equator-mean-equinox system or the International Celestial Reference System. Nonethe...