| 基于脉冲星观测的导航星座自主导航数据融合方法 |
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| 引用本文： | 朱俊,陈忠贵,廖瑛,文援兰. 基于脉冲星观测的导航星座自主导航数据融合方法[J]. 国防科技大学学报, 2010, 32(4): 19-24 |
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| 作者姓名： | 朱俊 陈忠贵 廖瑛 文援兰 |
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| 作者单位： | 1. 国防科技大学,航天与材料工程学院,湖南,长沙,410073
2. 国防科技大学,航天与材料工程学院,湖南,长沙,410073;中国空间技术研究院,北京,100094 |
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| 基金项目： | 国家863计划项目，国家部委基金 |
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| 摘 要： | 为解决完全依赖基于星间观测的导航星座长期自主导航的基准秩亏问题,提出基于脉冲星和星间链路的组合导航方法。给出了该方法的基本原理。为合理分散计算,采用简化和改进后的广义联邦滤波算法来对两种观测数据进行融合。仿真试验对该方法的合理性和可行性进行了验证。
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| 关 键 词： | 自主导航 导航星座 星间链路 X射线脉冲星 数据融合 |
| 收稿时间： | 2010-04-16 |
A Data Fusion Method for Navigation Constellation Autonomous Navigation Based on X-Ray Pulsar |
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| ZHU Jun,CHEN Zhong-gui,LIAO Ying,WEN Yuan-lan. A Data Fusion Method for Navigation Constellation Autonomous Navigation Based on X-Ray Pulsar[J]. Journal of National University of Defense Technology, 2010, 32(4): 19-24 |
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| Authors: | ZHU Jun CHEN Zhong-gui LIAO Ying WEN Yuan-lan |
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| Abstract: | To solve the problem of deficiency of rank existing in navigation constellation long-time auto-navigation based on inter-satellite measurement, a method of integrated navigation based on the Inter-Satellite Links (ISL) and X-ray Pulsar was proposed. The fundamentals of this method were described. To rationalize the computational burden, the generalized federated filters were simplified and improved to fuse the measurements based on ISL and X-ray Pulsar. Finally, the simulation was carried out, and the results proved the rationality and feasibility of this method. |
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| Keywords: | autonomous navigation navigation constellation Inter-Satellite Links X-ray pulsar data fusion |
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