| 双频GPS信号仿真的电离层误差补偿模型研究 |
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| 引用本文： | 谢杰,姚志成,刘鑫昌,雷雄俊. 双频GPS信号仿真的电离层误差补偿模型研究[J]. 微计算机信息, 2012, 0(5): 133-135 |
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| 作者姓名： | 谢杰 姚志成 刘鑫昌 雷雄俊 |
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| 作者单位： | 第二炮兵工程学院三系;二炮驻骊山微电子公司军事代表室 |
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| 摘 要： | 研究了电离层对不同频率GPS信号传播的影响,由空间电离层的特点和IGS电离层数据,针对目前模拟器只能仿真单频信号的缺陷,给出了改进的适用于多频信号仿真器的Klobuchar和GIM电离层误差模型及算法具体实现,并作出了详细证明,最后说明了如何在多频信号仿真器中应用融合的误差模型,实现双频GPS信号模拟器中电离层误差仿真的精确补偿。
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| 关 键 词： | 卫星导航 GPS 多频 电离层 误差 信号仿真 |
Study on the Modes of Ionospheric error in Dual-Frequency GPS Signal Simulator |
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| XIE Jie,YAO Zhi-cheng,LIU Xin-chang,LEI Xiong-jun. Study on the Modes of Ionospheric error in Dual-Frequency GPS Signal Simulator[J]. Control & Automation, 2012, 0(5): 133-135 |
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| Authors: | XIE Jie YAO Zhi-cheng LIU Xin-chang LEI Xiong-jun |
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| Affiliation: | (The Second Artillery Engineering College of PLA, Xi’an 710025, China) (The Second Artillery Representation Office Be Stationed In Xi’an Institute of Microelectronics, Xi’an 710025, China) |
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| Abstract: | Aim at the disadvantage of common GPS signal simulator, study on the influence of ionospheric on different frequency GPS signal, finally based on the characteristic of Ionospheric and IGS data, the Klobuchar and GIM modes are proved to be fit to apply in dual-frequency GPS signal simulator, Meanwhile, how to use them in dual-frequency GPS signal simulator is explained, the resul can accurately compensate inospheric error. |
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| Keywords: | Satellite Navigation GPS, Dual-frequency ionospheric error signal simulate |
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