Autonomous Time Synchronization for Navigation Constellation based on Inter-satellite Link

被引：0
|
作者：
Wang, Dongxia [1 ]
Zhang, Zhixue [1 ]
Xie, Lin [2 ]
Xin, Jie [1 ]
Tang, Tingsong [1 ]
Zhao, Na [1 ]
机构：
[1] Beijing Satellite Nav Ctr, Beijing, Peoples R China
[2] Tsinghua Univ, Beijing, Peoples R China
来源：
PROCEEDINGS OF THE 48TH ANNUAL PRECISE TIME AND TIME INTERVAL SYSTEMS AND APPLICATIONS MEETING | 2017年
基金：
中国国家自然科学基金;
关键词：
COMPASS GEO;
D O I：
暂无
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Autonomous time synchronization is one of key technologies to realize autonomous navigation for Global Navigation Satellite System (GNSS), whose accuracy directly affects the system positioning, navigation and timing. Based on the bidirectional time synchronization principle, the inter-satellite pseudo-range equation is obtained after analyzing the impact of time delay by different types of error. The satellite clock model is established by certain part and random part. Finally, the Kalman filter and the adjustment algorithm are studied for inter-satellite autonomous time synchronization, which are combined by weighted parameters to design a weighted synthesized algorithm.
引用
收藏
页码：138 / 146
页数：9
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