| GPS/Galileo双模接收机定位精度分析与仿真测试研究 |
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| 引用本文： | 赵静,蔚保国,李隽.GPS/Galileo双模接收机定位精度分析与仿真测试研究[J].遥感信息,2010(6):63-66. |
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| 作者姓名： | 赵静 蔚保国 李隽 |
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| 作者单位： | [1]北京师范大学资源学院,北京100875 [2]中国电子科技集团公司第五十四研究所,石家庄050081 [3]国家遥感中心,北京100036 |
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| 摘 要： | 多模卫星导航接收机比单一的卫星导航接收机在可用性和DOP值都有极大改善,但同时双系统之间的互干扰使接收信号的信噪比降低。本文对多模接收机定位精度的改善程度进行了定量分析,并进行了仿真测试验证,研究结果表明:相比单一导航模式,GPS/Galileo双模组合会造成期望信号的载噪比下降,测距误差增大,但它与DOP值的改善定位精度相比影响很小,因此,多模式工作方式下导航接收机的定位精度会有很大提高。
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| 关 键 词： | GPS Galileo 双模接收机 定位精度 DOP |
Research on the Positioning Accuracy and Simulation Test of GPS/Galileo Dual-mode Receiver |
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| ZHAO Jing,YU Bao-guo,LI Jun.Research on the Positioning Accuracy and Simulation Test of GPS/Galileo Dual-mode Receiver[J].Remote Sensing Information,2010(6):63-66. |
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| Authors: | ZHAO Jing YU Bao-guo LI Jun |
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| Affiliation: | ②(① Resources Institute of Beijing Normal University,Beijing 100875;② 54 Institute of China Electronics Technology Corporation,shijiazhuang 050081;③ National Remote Sensing Center of China,Beijing 100036) |
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| Abstract: | Compared with single-mode receiver,the availability and DOP of multi-mode receiver are improved greatly.However,the SNR of the received signal will be decreased because of the Multi-interference between GPS and Galileo.The improved positioning accuracy of multi-mode receiver is analyzed quantitatively by the simulation test in the paper.And the results show that：Using multi-mode receiver of GPS and Galileo,the positioning accuracy is improved,although the expected C/No is decreased and the ranging error is increased,because of a better DOP than one of a single-mode receiver. |
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| Keywords: | GPS galileo dual-mode receiver positioning accuracy DOP |
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