| 惯性/重力匹配组合导航系统可观测性研究 |
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| 引用本文： | 汪凤林,蔡体菁,王东霞. 惯性/重力匹配组合导航系统可观测性研究[J]. 安徽大学学报(自然科学版), 2008, 32(6) |
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| 作者姓名： | 汪凤林 蔡体菁 王东霞 |
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| 作者单位： | 1. 南京工程学院,自动化学院,江苏,南京,211167
2. 东南大学,仪器与工程学院,江苏,南京,210096 |
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| 基金项目： | 南京工程学院基金 ， 国防预研项目 |
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| 摘 要： | 惯性/重力匹配组合导航系统的导航精度与重力场有很大关系.论文从局部可观测性出发,分析了重力场对该组合导航系统定位精度的影响,认为惯性/重力匹配组合导航系统的位置是局部可观测的,且定位精度受重力场的诸多综合因素的影响.
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| 关 键 词： | 惯性导航系统 重力匹配 可观测性 |
Inertial /gravity matching integrated navigation system |
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| WANG Feng-lin,CAI Ti-jing,WANG Dong-xia. Inertial /gravity matching integrated navigation system[J]. Journal of Anhui University(Natural Sciences), 2008, 32(6) |
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| Authors: | WANG Feng-lin CAI Ti-jing WANG Dong-xia |
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| Abstract: | The position precision of Inertial/Gravity match integrated navigation system was greatly influenced by gravity field.The paper analyzed the influence of gravity field's roughness to the integrated navigation system by local observability,then deduced that the position of this integrated navigation system was locally observable and position error could be bounded to some degree which confined by compositive facts of gravity field. |
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| Keywords: | inertial navigation system gravity match observability |
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