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Article
Open AccessA new analytical solar radiation pressure model for current BeiDou satellites: IGGBSPM
An analytical solar radiation pressure (SRP) model, IGGBSPM (an abbreviation for Institute of Geodesy and Geophysics BeiDou Solar Pressure Model), has been developed for three BeiDou satellite types, namely, g...
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Article
Characterization of multi-GNSS between-receiver differential code biases using zero and short baselines
Care should be taken to minimize adverse impact of receiver differential code biases (DCBs) on global navigation satellite system (GNSS)-derived ionospheric parameters. It is therefore of importance to ascert...
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Article
Correlation, entropy, and information transfer in black hole radiation
Since the discovery of Hawking radiation, its consistency with quantum theory has been widely questioned. In the widely described picture, irrespective of what initial state a black hole starts with before col...
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Article
Yaw attitude of eclipsing GPS satellites and its impact on solutions from precise point positioning
During the period when a GPS satellite, the Earth and the Sun are approximately collinear, the phenomenon of eclipsing the satellite occurs, when the satellite yaw attitude deviates from its nominal case, i.e....