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考虑脉冲星角位置误差修正的XNAV算法研究
Alternative TitleResearch on XNAV Algorithm With Correction of Pulsars Position Error
邓新坪; 郑建华; 高东; dengxinping@nssc.ac.cn
Department空间技术部
Source Publication空间科学学报
2012
Volume32Issue:3Pages:435-439
ISSN0254-6124
Language中文
KeywordX射线脉冲星导航 脉冲星角位置误差 导航精度
Abstract航天器X射线脉冲星自主导航(XNAV)依赖于精确的时间测量与转换,而脉冲星角位置误差会影响时间转换精度从而对导航精度产生不可忽视的影响.本文在对XNAV算法的研究中,采用了真实的脉冲星角位置误差.通过将脉冲星角位置加入滤波器状态进行滤波处理来降低脉冲星角位置误差,从而降低其对导航精度的影响.仿真结果表明,该方法能够有效抑制脉冲星角位置误差对导航精度的影响,保证了导航精度,研究结果对于XNAV的工程应用具有一定理论参考价值.
Other AbstractThe essential of the X-ray pulsar navigation(XNAV) is the accurate measurement and transfer of time.Pulsars position error is one of the most important factors affecting the precision of time transfer,so it is one of the most important factors which affect the precision of XNAV. By combining pulsars position with spacecraft position and velocity,a new navigation algorithm is proposed.Results show that the effect of the pulsars position error in XNAV is well dealt by this algorithm,so the new algorithm is referable to the application of XNAV.
Indexed ByCSCD
Funding Project中国科学院空间科学与应用研究中心
Citation statistics
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/3000
Collection空间技术部
Corresponding Authordengxinping@nssc.ac.cn
Recommended Citation
GB/T 7714
邓新坪,郑建华,高东,等. 考虑脉冲星角位置误差修正的XNAV算法研究[J]. 空间科学学报,2012,32(3):435-439.
APA 邓新坪,郑建华,高东,&dengxinping@nssc.ac.cn.(2012).考虑脉冲星角位置误差修正的XNAV算法研究.空间科学学报,32(3),435-439.
MLA 邓新坪,et al."考虑脉冲星角位置误差修正的XNAV算法研究".空间科学学报 32.3(2012):435-439.
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