| 具有规范化的四元数递推计算的公式误差估计 |
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| 引用本文： | 费景高.具有规范化的四元数递推计算的公式误差估计[J].现代防御技术,1999(3). |
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| 作者姓名： | 费景高 |
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| 作者单位： | 北京计算机应用与仿真技术研究所 |
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| 摘 要： | 对捷联式制导系统中目前常用的四元数递推公式进行误差估计，给出利用观测数据计算四元数的误差界的公式，还介绍了保持四元数范数不变的一类递推公式。
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| 关 键 词： | 四元数，捷联式惯性制导系统，算法误差估计 |
Estimation of Errors in Recursive Computing Formula for Normalized Quaternions |
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| Fei Jinggao.Estimation of Errors in Recursive Computing Formula for Normalized Quaternions[J].Modern Defence Technology,1999(3). |
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| Authors: | Fei Jinggao |
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| Institution: | Beijing Institute of Computer Application and Simulation Technology\ Beijing\ 100854 |
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| Abstract: | The errors are estimated for the quaternions recursive formula which is frequently used at present in the strapdown navigation system The formulas are given,by which a bound of the errors in the quaternions can be computed in terms of the observation data Furthermore,a class of recursive formulas is also introduced,which may preserve the norm of quaternions |
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| Keywords: | Quaternion Strapdown inertial navigation system Algorithm error estimation |
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