An improved high-precision rdss timing method
A time and delay technology, applied to radio-controlled timers, instruments, etc., to achieve great application potential and economic benefits, overcome the bottleneck of time service accuracy, and improve the accuracy of time service
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[0042] The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0043] In the past 10 years, although the traditional RDSS time service user machine has met the system index requirements, there has been no breakthrough development. The laboratory has been committed to the research and development of RDSS positioning and timing technology for many years. After several analyzes, researches, evaluations, and demonstrations in the past two years, it has finally achieved breakthroughs in RDSS timing technology over the past 10 years: First, the research found that GEO satellite motion produces The Doppler frequency shift has a great impact on RDSS timing, which has not been considered in traditional receivers; second, the use of satellite speed to estimate satellite position will also bring a large error, and a new method needs to be proposed Improvement strategy; if these two aspects can be improved, the accuracy of RDSS t...
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