NSSC OpenIR  > 空间技术部
Alternative TitleApplication Research of Modified Unscented Kalman Filter in X-Ray Pulsar Navigation
邓新坪; 郑建华; 高东; dengxinping@nssc.ac.cn; zhengjianhua@nssc.ac.cn
Source Publication北京理工大学学报
KeywordUnscented卡尔曼滤波 改进unscented卡尔曼滤波 计算效率
Other AbstractIt is known that the Unscented Kalman filter(UKF) is applied in X-ray pulsar navigation because of the high nonlinearity of its state equation and measurement equation.In order to improve the computational efficiency of standard UKF,the method to get sample points in UKF is modified in this paper.As a result,the state update could be done by integration needed only one time.Moreover,the equivalency of standard UKF and modified UKF is proved in the work.The simulation results demonstrate that the computational efficiency of modified UKF could be 5 times higher than that of standard UKF with the same condition of computation precision: the position determination precision is about 70 meters and the velocity determination precision is about 0.005 meters per second.
Indexed ByEI ; CSCD
Funding Project中国科学院空间科学与应用研究中心
Citation statistics
Cited Times:2[CSCD]   [CSCD Record]
Document Type期刊论文
Corresponding Authordengxinping@nssc.ac.cn; zhengjianhua@nssc.ac.cn
Recommended Citation
GB/T 7714
邓新坪,郑建华,高东,等. 改进UKF在X射线脉冲星导航中的应用研究[J]. 北京理工大学学报,2012,32(1):51-55.
APA 邓新坪,郑建华,高东,dengxinping@nssc.ac.cn,&zhengjianhua@nssc.ac.cn.(2012).改进UKF在X射线脉冲星导航中的应用研究.北京理工大学学报,32(1),51-55.
MLA 邓新坪,et al."改进UKF在X射线脉冲星导航中的应用研究".北京理工大学学报 32.1(2012):51-55.
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