| 基于GPS数据的电离层模型和电离层延迟改正新方法研究 |
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| 引用本文： | 袁运斌,欧吉坤.基于GPS数据的电离层模型和电离层延迟改正新方法研究[J].中国科学院研究生院学报,2002,19(2):209-214. |
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| 作者姓名： | 袁运斌 欧吉坤 |
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| 作者单位： | 中国科学院测量与地球物理研究所动力大地测量学重点实验室,武汉,430077 |
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| 基金项目： | 国家自然科学基金，中国科学院资助项目 |
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| 摘 要： | 根据大地测量、地球物理、空间物理和导航等领域的若干重要GPS科研项目的需要,系统研究了电离层延迟的高精度模拟和改正方法.报告的内容主要涉及GPS系统的电离层延迟的高精度改正,如何通过修正静、动态单、双频用户的电离层延迟影响,进一步改善GPS测量的精度和可靠性,改进增强型GPS广域差分系统的电离层模拟及利用GPS监测电离层的理论和方法等.
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| 关 键 词： | 全球卫星定位系统 格网电离层模型 站际分区法 绝对与相对方案 电离层蚀因子法 变样本自协方差估计 电离层延迟 |
Study on the New Methods of Correcting Ionospheric Delay and Ionospheric Model Using GPS Data |
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| Abstract.Study on the New Methods of Correcting Ionospheric Delay and Ionospheric Model Using GPS Data[J].Journal of the Graduate School of the Chinese Academy of Sciences,2002,19(2):209-214. |
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| Authors: | Abstract |
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| Abstract: | Recently, according to the requirements of some important GPS research subjects in thefields of Geodesy, Geophysics, Space -Physics and Navigation in China, we studied systematicallyhow to correct the effects of the ionosphere on GPS, with high precision and accuracy. As the parts ofthe main contributions, the research projects focus mainly on how to improve GPS survey by reducingionospheric delay for dual/single frequency kinematic/static users: high accuracy correction of iono-spheric delay for single/dual frequency GPS users on the earth and in space, China WAAS ionospher-ic modeling and the theory and method of monitoring of ionosphere using GPS. |
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| Keywords: | Global Positioning System (GPS) Grid Ionospheric Model (GIM) Absolute Plus Rela-tive scheme (APR) Ionospheric Eclipse Factor Method (IEFM) Auto-Covariance Estimation ofVariable Samples (ACEVS) Different Area for Different Stations (DADS) Ionospheric |
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