卫星导航中电离层误差校正技术现状与发展

韩喜豪; 郑帅勇; 杨建雷; 靳晓伟; 高孟志; 黄智刚; 李琨; 杨鹏

doi:10.12265/j.gnss.2023105

卫星导航中电离层误差校正技术现状与发展

doi: 10.12265/j.gnss.2023105

韩喜豪^1,,
郑帅勇^1, ,,
杨建雷^{2, 3,},
靳晓伟⁴,
高孟志¹,
黄智刚⁵,
李琨¹,
杨鹏⁶

1.
天津理工大学集成电路科学与工程学院, 天津 300384
2.
中国电子科技集团第五十四研究所, 石家庄 050081
3.
卫星导航系统与装备技术国家重点实验室, 石家庄 050081
4.
辽宁工程技术大学软件学院, 辽宁阜新 125105
5.
北京航空航天大学电子信息工程学院, 北京 100191
6.
天津理工大学计算机科学与工程学院, 天津 300384

基金项目: 复杂电子系统仿真重点实验室开放基金(614201004012103)；卫星导航系统与装备技术国家重点实验室开放项目(CEPNT2022B03)；自然资源部国土卫星遥感应用重点实验室开放基金(KLSMNR-202310)；天津理工大学校级研究生科研创新实践项目(YJ2217)

详细信息

作者简介:
韩喜豪：(2000—)男，主要研究方向为卫星导航中电离层误差校正技术. E-mail: 13012259675@163.com

郑帅勇：(1991—)，男，博士，主要研究方向为星基增强系统的设计及其性能的监测评估、星历星钟误差校正、组合导航等. E-mail: syzheng21@email.tjut.edu.cn

杨建雷：(1984—)，男，博士，高级工程师，主要研究方向为新体制导航信号接收处理算法、导航信号性能监测评估等. E-mail: yangjianlei555@163.com

通讯作者:
郑帅勇 E-mail: syzheng21@email.tjut.edu.cn

中图分类号: P228.4
计量
- 文章访问数: 92
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- PDF下载量: 15
- 被引次数: 0
出版历程
- 收稿日期: 2023-05-10
- 网络出版日期: 2024-03-26

Status and development of the ionospheric error correction techniques in satellite navigation

1.
School of Integrated Circuit Science and Engineering, Tianjin University of Technology, Tianjin 300384, China
2.
The 54th Research Institute of China Electronics Technology Group Corporation, Shijiazhuang 050081, China
3.
State Key Laboratory of Satellite Navigation System and Equipment Technology, Shijiazhuang 050081, China
4.
School of Software, Liaoning Technical University, Fuxin 300071, China
5.
School of Electronic and Information Engineering, Beihang University, Beijing 100191, China
6.
School of Computer Science and Engineering, Tianjin University of Technology, Tianjin 300384, China

摘要

摘要: 电离层误差严重影响着GNSS的定位精度，GPS、BDS、Galileo、GLONASS有不同的电离层误差校正方法. 全文概述了电离层误差校正方法，综述了单频电离层误差校正、双频电离层误差校正及多频电离层误差校正等技术的原理与发展现状. 在单频电离层误差校正技术中总结了增强系统中的电离层误差校正技术、北斗全球电离层延迟修正模型(BeiDou global ionospheric delay correction model, BDGIM)、Klobuchar模型、单频电离层误差校正技术的优化—附加国际参考电离层(international reference ionosphere, IRI)约束模型和NeQuick-G模型；在双频电离层误差校正技术中重点总结了双频消电离层误差、无电离层组合模型及PPP-RTK技术中电离层误差校正方法；在多频电离层误差校正技术中介绍了高阶项改正和地磁场建模对电离层误差校正技术的优化与改进. 最后，对电离层误差校正技术及其改进方法进行了分析，总结了其发展趋势与方向.
- 卫星导航 /
- 电离层误差校正 /
- 北斗全球电离层延迟修正模型(BDGIM) /
- Kriging插值法 /
- 无电离层组合模型 /
- 地磁场建模
Abstract: Ionospheric error seriously affects the positioning accuracy of the global navigation satellite system. GPS, BDS, Galileo and GLONASS all adopt different ionospheric error correction methods. The ionospheric error correction methods in satellite navigation are introduced, and the principle and development of single frequency ionospheric error correction, dual-frequency ionospheric error correction and multi-frequency ionospheric error correction are summarized in this paper. In the single frequency correction, the ionospheric error correction techniques in enhanced systems, BDGIM model, Klobuchar model, optimization of single frequency ionospheric error correction technology-IRI constraint model and NeQuick-G model are summarized; In the dual-frequency correction, the ionosphere-free model and the ionospheric error correction methods in the PPP-RTK technology are summarized; In the multi-frequency correction, the optimization and improvement of ionospheric error correction technique with the high order correction and geomagnetic field model are summarized. Finally, the ionospheric error correction techniques and their derivative are analyzed and encapsulated, the development trend and future hotspots of ionospheric error correction technology in satellite navigation are listed and analyzed.
- satellite navigation /
- ionospheric error correction /
- BeiDou global ionosphericdelay correction model (BDGIM) /
- Kriging interpolation method /
- ionosphere-free combination model /
- geomagnetic field modeling

HTML全文

图 1 电离层网格点垂直延迟求解示意图

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图 2 四点插值算法

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图 3 Kriging法2016年11月4日 10时(GPST) GIVD及GIVE结果

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图 4 Kriging法2016年11月4日 20时(GPST) GIVD及GIVE结果

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图 5 Kriging插值法流程图

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图 6 ZAB2站连续观测电离层延迟网格校正结果

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图 7 BDGIM模型原理图

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图 8 IDW法2016年11月4日10时(GPST) GIVD及GIVE

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图 9 IDW法2016年11月4日20时(GPST) GIVD及GIVE

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