Modeling of Total Electron Content in Regional Ionosphere Based on GPS

机译：基于GPS的区域电离层中电子含量的建模

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Ionospheric delay can cause Global Navigation Satellite System (GNSS) deviations of several meters or even hundreds of meters in the positioning process. The Total Electron Content (TEC) is one of the important parameters in ionosphere. Starting from the basic principle of using GNSS to extract TEC of ionosphere, we analyze the shortcomings of pseudorange method and carrier phase method in the calculation of ionospheric TEC. And a method of calculating TEC by using smoothing algorithm is proposed. A polynomial function model combined with the smoothing algorithm is used to model TEC. The results show that the accuracy of TEC extraction and TEC model is higher than the previous two methods.

机译：电离层延迟可能导致全球导航卫星系统（GNSS）在定位过程中偏差几米甚至数百米。全电子含量（TEC）是电离层中的重要参数之一。从使用GNSS提取电离层的TEC的基本原理开始，我们分析了对电离层TEC计算的伪橙色方法和载波相位方法的缺点。提出了一种通过使用平滑算法计算TEC的方法。与平滑算法相结合的多项式函数模型用于模拟TEC。结果表明，TEC提取和TEC模型的准确性高于前两种方法。

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《International Forum on Electrical Engineering and Automation》|2020年|103-107|共5页
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Xiyan Sun; Menglin You; Yuanfa Ji; Suqing Yan; Wentao Fu; Weibin Liang;
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Meters; Global navigation satellite system; Smoothing methods; Information retrieval; Data models; Ionosphere; Global Positioning System;

机译：米;全球导航卫星系统;平滑方法;信息检索;数据模型;电离层;全球定位系统;

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专利

1. A Data Assimilated Regional Ionosphere Model Using the Total Electron Content from the Korean GPS Network [J] . Mengist Chalachew Kindie, Kim Yong Ha, Ssessanga Nicholas, Journal of the Korean Physical Society . 2018,第7期

机译：利用韩国GPS网络的总电子含量同化区域电离层模型
2. Data assimilation of ground GPS total electron content into a physics-based ionospheric model by use of the Kalman filter [J] . G. A. Hajj, B. D. Wilson, C. Wang, Radio Science . 2004,第1期

机译：利用卡尔曼滤波器将地面GPS总电子含量数据同化为基于物理学的电离层模型
3. Data assimilation of ground GPS total electron content into a physics-based ionospheric model by use of the Kalman filter [J] . G. A. Hajj, B. D. Wilson, C. Wang, Radio Science . 2004,第1期

机译：利用卡尔曼滤波器将地面GPS总电子含量数据同化为基于物理学的电离层模型
4. Real-Time Regional Ionospheric Total Electron Content Modeling Using Spherical Harmonic Function [C] . Shoujian Zhang, Xin Chang, Wei Zhang China satellite navigation conference . 2013

机译：使用球谐函数的实时区域电离层总电子含量建模
5. An algorithm for accurate ionospheric total electron content and receiver bias estimation using GPS measurements. [D] . Bourne, Harrison W. 2016

机译：一种用于精确电离层总电子含量和使用GPS测量估算接收器偏差的算法。
6. GNSS-Based Non-Negative Absolute Ionosphere Total Electron Content its Spatial Gradients Time Derivatives and Differential Code Biases: Bounded-Variable Least-Squares and Taylor Series [O] . Yury Yasyukevich, Anna Mylnikova, Artem Vesnin 2020

机译：基于GNSS的非阴性绝对电离层总电子含量其空间梯度时间衍生物和差分码偏差：有界可变最小二乘和泰勒系列
7. Global prediction of the vertical total electron content of the ionosphere based on GPS data [O] . García Rigo, Alberto, Monte Moreno, Enrique, Hernández Pajares, Manuel, 2011

机译：基于Gps数据的电离层垂直总电子含量的全局预测

Modeling of Total Electron Content in Regional Ionosphere Based on GPS

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