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Statistical Characterization of GLONASS Broadcast Clock Errors and Signal-In-Space Errors
Statistical Characterization GLONASS Broadcast Clock Errors Signal-In-Space Errors
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2015/6/24
With more than 70 navigation satellites orbiting the Earth,global navigation satellite systems (GNSS) users are fas-cinated to use multiple constellations to enhance position-ing availability, accurac...
Evaluation of a covariance-based clock and ephemeris error bounding algorithm for SBAS
Evaluation covariance-based clock ephemeris error bounding algorithm SBAS
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2015/6/24
The largest source of error uncertainty in current Space-based Augmentation Systems, which are single frequency (L1), is the ionospheric delay. In the coming years, the deployment of new signals in L5...
GPS Composite Clock Analysis
GPS Composite Clock Analysis
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2009/9/3
The GPS composite clock defines GPS time, the timescale used today in GPS operations. GPS time is illuminated by examination of its role in the complete estimation and control problem relative to UTC/...
Identifying Nonstationary Clock Noises in Navigation Systems
Nonstationary Clock Noises Navigation Systems
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2009/9/3
The stability of the atomic clocks on board the satellites of a navigation system should remain constant with time. In reality there are numerous physical phenomena that make the behavior of the clock...