Abstract
BPL long-wave time service system is a long-range radio time service system in China. Changhe II system is the most important land-based radio navigation system in China. China's satellite-based radio navigation system is in its construction and development stage now, so the Changhe II system will play an important role for a long time in the future. It will also exist as the important backup of the satellite-based radio navigation system. This paper presents the idea that take BPL long-wave time service station as one of the transmitter of Changhe II system. A mathematical model which can convert time difference obtained by the receiver into latitude-longitude coordinate is established. With effective configuration of the BPL station and the Changhe II transmitters, select points outside the coverage areas of the original system to locate its position in the simulation work. A test is also designed. The simulation and test results show that the scheme presented in this paper is feasible.
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