Long-term autonomous time-keeping of navigation constellations based on sparse sampling LSTM algorithm
Shitao Yang,
Xiao Yi,
Richang Dong
et al.
Abstract:The system time of the four major navigation satellite systems is mainly maintained by multiple high-performance atomic clocks at ground stations. This operational mode relies heavily on the support of ground stations. To enhance the high-precision autonomous timing capability of next-generation navigation satellites, it is necessary to autonomously generate a comprehensive space-based time scale on orbit and make long-term, high-precision predictions for the clock error of this time scale. In order to solve t… Show more
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