Long data outages may occur in applications of global navigation satellite system technology to orbit determination for missions that spend significant fractions of their orbits above the navigation satellite constellation(s). Current clock error models based on the random walk idealization may not be suitable in these circumstances, since the covariance of the clock errors may become large enough to overflow flight computer arithmetic. A model that is stable, but which approximates the existing models over short time horizons is desirable. A coupled first- and second-order Gauss-Markov process is such a model.
A Stable Clock Error Model Using Coupled First and Second Order Gauss-Markov Processes
2008 AAS/AIAA Space Flight Mechanics Meeting ; 2008 ; Galveston, TX, United States
2008-01-27
Conference paper
No indication
English
A Stable Clock Error Model Using Coupled First- and Second-Order Gauss-Markov Processes (AAS 08-109)
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