兵工自动化Issue(6)：43-47,57,6.DOI:10.7690/bgzdh.2014.06.012
基于BD导航卫星的空基伪卫星网络动态共视授时技术
Dynamic Common-View Time Service of Wide Area Air-Borne Pseudo-Satellite Network Based on BD Navigation Satellite
摘要
Abstract
To achieve high precision time service of wide area pseudo-satellite network, this article proposed the method of transmission common-view time service inside the network, analyzed the errors of the process of common-view time service, put forward the method of satellite common-view selection in order to further reduced the effect of troposphere delay, after that analyzed the distribution of position error of the SIN/BD integrated navigation system, then raised the net average to eliminate the effect of position error, improved the precision of time service of pseudo-satellite network significantly. Simulation result showed that the method of transmission common-view can do a good job to finish the large-scale network time service; common-view selection reduced almost 80% of troposphere delay than none;and net average can achieve the service precision of common-view time less than 0.3 ns, the method that this article proposed can improve the precision of dynamic time service of pseudo-satellite network significantly.关键词
空基伪卫星网络/传递共视授时/共视选星/SIN/BD组合导航/整网平均Key words
air-borne pseudo satellite network/transmission common-view time service/common-view satellite selection/SIN/BD integrated navigation/net average分类
军事科技引用本文复制引用
史海青,郁丰..基于BD导航卫星的空基伪卫星网络动态共视授时技术[J].兵工自动化,2014,(6):43-47,57,6.基金项目
国家自然科学基金(61203197) （61203197）
