| GPS软件接收机结构与仿真实现 |
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| 引用本文： | 王先毅,孙越强,刘正延,杜起飞,白伟华.GPS软件接收机结构与仿真实现[J].科学技术与工程,2007,7(11):2484-2487. |
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| 作者姓名： | 王先毅 孙越强 刘正延 杜起飞 白伟华 |
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| 作者单位： | 1. 中国科学院空间科学与应用研究中心,北京,100080;中国科学院研究生院,北京,100080
2. 中国科学院空间科学与应用研究中心,北京,100080 |
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| 摘 要： | 介绍了GPS软件接收机的基本结构与原理;分析了软件接收机捕获要求,使用频域并行算法作为信号捕获算法;介绍了信号追踪中码同步与载波同步原理与实现。使用Matlab6.5和Simulink进行了GPS软件接收机的仿真。
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| 关 键 词： | GPS 软件接收机 仿真 Matlab6.5 Simulink |
| 文章编号： | 1671-1819(2007)11-2484-04 |
| 修稿时间： | 2007-01-16 |
Architecture of Software GPS Receiver and Its Simulation |
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| WANG Xian-yi,SUN Yue-qiang,LIU Zheng-ting,DU Qi-fei,BAI Wei-hua.Architecture of Software GPS Receiver and Its Simulation[J].Science Technology and Engineering,2007,7(11):2484-2487. |
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| Authors: | WANG Xian-yi SUN Yue-qiang LIU Zheng-ting DU Qi-fei BAI Wei-hua |
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| Institution: | Center for Space Science and Applied Research of CAS1 , Beijing 100080, P. R. China; Graduate University of Chinese Academy of Sciences2 , Beijing 100080, P. R. China |
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| Abstract: | The basic principle and architecture of a GPS software receiver were introduced. The requirement of the acquisition process was analyzed. The parallel code phase search algorithm was chosen as the signal acquisition algorithm. The principle and implementation of code tracking and carrier tracking were proposed. The simulation of the GPS software receiver was developed in the Matlab/Simulink environment. |
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| Keywords: | GPS software receiver simulation Matlab 6 5 |
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