| 航天扩频测控通信系统中伪码测距方法及精度分析 |
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| 引用本文： | 唐军,谢澍霖,王卫星.航天扩频测控通信系统中伪码测距方法及精度分析[J].电讯技术,2006,46(4):91-95. |
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| 作者姓名： | 唐军 谢澍霖 王卫星 |
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| 作者单位： | 1. 中国西南电子技术研究所,成都,610036
2. 电子科技大学,成都,610054 |
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| 摘 要： | 介绍了扩频测控通信系统中相参伪码测距与非相参伪码测距工作原理，证明在确保星地距离数据采样时刻严格对齐的情况下，两种体制的测距系统误差大小相同，同时给出了伪码测距误差的分析方法。
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| 关 键 词： | 航天测控通信系统 扩频技术 伪码测距 精度分析 |
| 文章编号： | 1001-893X（2006）04-0091-05 |
| 收稿时间： | 2006-03-10 |
| 修稿时间： | 2006-03-102006-05-12 |
Pseudo Code Ranging Method and Precision Analysis of Aerospace Spread Spectrum TTC&DT Systems |
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| TANG Jun,XIE Shu-lin,WANG Wei-xing.Pseudo Code Ranging Method and Precision Analysis of Aerospace Spread Spectrum TTC&DT Systems[J].Telecommunication Engineering,2006,46(4):91-95. |
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| Authors: | TANG Jun XIE Shu-lin WANG Wei-xing |
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| Affiliation: | 1. Southwest China Institute of Electronic Technology, Chengdu 610036, China; 2. University of Electronic Science and Technology of China,Chengdu 610054 ,China |
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| Abstract: | The operation principle of coherent pseudocode ranging and noncoherent pseudocode ranging in spread spectrum TTC&DT systems is introduced.It is proved that the errors of the ranging systems adopting two systems respectively are the same if the distance data sampling time of satellite is in strict accordance with that of ground station.The analysis method of pseudocode ranging error is also given. |
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| Keywords: | aerospace TTC&DT system spread spectrum technology pseudocode ranging precision analysis |
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