| 非等间隔滤波及其在导航系统中的应用综述 |
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| 引用本文： | 刘翠翠,祁振强,张玉民,郭雷.非等间隔滤波及其在导航系统中的应用综述[J].航天控制,2011,29(5):82-89. |
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| 作者姓名： | 刘翠翠 祁振强 张玉民 郭雷 |
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| 作者单位： | 1. 北京航空航天大学仪器科学与光电工程学院,北京,100191
2. 北京航天自动控制研究所,北京,100854 |
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| 基金项目： | 国家自然科学基金(60925012) |
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| 摘 要： | 滤波的目的是从序贯量测中在线、实时地估计和预测出动态系统的状态和误差的统计量.现存的大多数滤波方法要求传感器信息同时测量并同时到达,但是传感器获得的信息往往不满足此条件,即信息是非等间隔的.信息的不等间隔特性影响到导航精度,非等间隔滤波的提出为该问题提供了一类解决方案.针对国内外非等间隔滤波及其在导航系统中的应用现状,...
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| 关 键 词： | 非等间隔 滤波 组合导航 综述 |
The Overview and Applications of Unequal Interval Filtering in Navigation System |
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| LIU Cuicui,QI Zhenqiang,ZHANG Yumin,GUO Lei.The Overview and Applications of Unequal Interval Filtering in Navigation System[J].Aerospace Control,2011,29(5):82-89. |
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| Authors: | LIU Cuicui QI Zhenqiang ZHANG Yumin GUO Lei |
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| Institution: | LIU Cuicui1 QI Zhenqiang2 ZHANG Yumin1 GUO Lei1 1.School of Instrumentation Science & Optoelectronics Engineering,Beijing University of Aeronautics and Astronautics,Beijing 100191,China 2.Beijing Aerospace Automatic Control Institute,China |
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| Abstract: | The main objective of filtering is to obtain,recursively in time,the optimal estimation and prediction of dynamical systems and error statistics from the sequential observations.The present methods assume that the data of sensors synchronously is measured,sampled and fused at same speed.But the information derived from sensors can not meet the demands by reason of always unequal interval.The navigation precision is affected due to the characteristics of the unequal interval information,which results in the ... |
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| Keywords: | Unequal interval Filtering Integrated navigation Overview |
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