| GPS精密定向研究的实验 |
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| 引用本文： | 王银华,胡小平.GPS精密定向研究的实验[J].宇航学报,2001,22(1):70-74,104. |
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| 作者姓名： | 王银华 胡小平 |
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| 作者单位： | 1. 北京系统工程研究所,
2. 国防科技大学自动控制系, |
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| 摘 要： | 本文利用GPS三个天线的载波相位信息，先用三差法求出基线的初解，在此基础上再借助模糊度函数搜索初解，最后用双差法得到最终精确解，同时得出姿态角。文中主要结果是：基线相对定位精度达亚毫米级，定向精度在1米基线时为0.01度，基线越长，定向精度越高。
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| 关 键 词： | GPS 高精度 定向基准系统 全球定位系统 |
| 文章编号： | 1000-1328（2001）01-0070-05 |
EXPERIMENT ON GPS BASED
HIGH-ACCURACY ATTITUDE DETERMINATION |
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| Wang Yinhua,Hu Xiaoping.EXPERIMENT ON GPS BASED
HIGH-ACCURACY ATTITUDE DETERMINATION[J].Journal of Astronautics,2001,22(1):70-74,104. |
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| Authors: | Wang Yinhua Hu Xiaoping |
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| Institution: | Beijing Institute of System Engineering Department of Automatic Control of NUDT |
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| Abstract: | In this paper，GPS carrier phase was used with baselines in a three-antenna configuration to obtain high-accuracy attitude：First，tri-differential method was used to get the baselines’ raw results．Then with the help of AF（Ambiguity Function），we got the seaching results．Finally double differential equations were used to get the high-accuracy results．Experimental testing with ADU2 is demonstrating pointing accuracies below 0.01 deg （1σ，1m baseline） with static surveying． |
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| Keywords: | GPS Attitude High-accuracy |
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