| 基于GPS的三维姿态确定系统研究 |
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| 引用本文： | 郑庆晖,张育林,曾国强,刘友明.基于GPS的三维姿态确定系统研究[J].中国空间科学技术,2003,23(4):57-61,66. |
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| 作者姓名： | 郑庆晖 张育林 曾国强 刘友明 |
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| 作者单位： | [1]国防科技大学航天与材料工程学院，长沙410073 [2]装备指挥技术学院，北京101416 |
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| 摘 要： | 论述了基于GPS姿态确定的原理、方法、步骤。首先，利用最小二乘平差校准基线，得到基线的准确长度及相互间的几何关系；随后，可以利用这些约束条件加速模糊度求解过程，适于实时应用。通过估计基线向量得到姿态粗解，以粗解为初值进行迭代最小二乘平差，最后得到最终的姿态解。通过一个实验系统验证，给出了实验结果。
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| 关 键 词： | 全球定位系统 卫星姿态确定系统 GPS 最小二乘法 实时估计 |
Research on 3D Attitude Determination System Based on GPS |
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| Zheng Qinghui.Research on 3D Attitude Determination System Based on GPS[J].Chinese Space Science and Technology,2003,23(4):57-61,66. |
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| Authors: | Zheng Qinghui |
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| Abstract: | A 3D attitude determination system is established. Theory and algorithm of attitude determination based GPS are addressed in this paper. Least square adjustment is used to calibrate baseline, then get baseline length and angle between two baselines, which can be used as a restriction to accelerate ambiguity resolution. Vector of baseline is estimated to get coarse attitude, ultimately, the precise attitude is estimated by iterative least square adjustment. All the discussed above are validated by attitude determination system. |
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| Keywords: | Least square method Real time estimation Global positioning system Satellite attitude |
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