| 浅谈高灵敏度GPS室内定位技术 |
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| 引用本文： | 刘毓,田世君,席光文. 浅谈高灵敏度GPS室内定位技术[J]. 广东电脑与电讯, 2008, 0(3): 52-54 |
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| 作者姓名： | 刘毓 田世君 席光文 |
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| 作者单位： | 重庆三峡学院,重庆,404000;电子科技大学电子工程学院,四川,成都,610054 |
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| 摘 要： | 室内环境GPS定位与导航技术的研究实质上是低信噪比环境下信号的处理问题，文章对室内环境下导航与定位的关键技术：微弱GPS信号捕获、微弱GPS信号码跟踪、室内环境下位置解算以及辅助GPS定位等进行了详细的介绍，对一些主要的GPS信号捕获算法进行了计算机仿真，对部分关键技术提出了改进方法，并在最后给出了高灵敏度软件接收机的整体设计方案。
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| 关 键 词： | 低信噪比 GPS 室内环境 高灵敏度 |
The Discussion of High Sensitivity GPS Indoor Positioning Technology |
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| Liu Yu,Tian Shijun,Xi Guangwen. The Discussion of High Sensitivity GPS Indoor Positioning Technology[J]. Computer & Telecommunication, 2008, 0(3): 52-54 |
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| Authors: | Liu Yu Tian Shijun Xi Guangwen |
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| Affiliation: | Liu Yu, Tian Shijum, Xi Guangwen(1. Chongqing Three Gorges University, Chongqing 404000： 2. University of Electronic Science and Technology, Chengdu 610054, Sichuan) |
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| Abstract: | Research of GPS positioning and navigation technology with indoor environment is actual signal process problem with low SNR,the key positioning technology with indoor environment,such as weak GPS signal acquisition,weak GPS signal code track,location compute with indoor environment and assisted GPS positioning technology are mainly discussed.With the help of Matlab,GPS signal acquisition algorithm is simulated.In addition,some amelioration method are described.At last,the whole design project based on high sensitivity software receiver is provided. |
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| Keywords: | Low SNR GPS Indoor environment High sensitivity |
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