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基于GPS数据的电离层模型和电离层延迟改正新方法研究(英)

  • 袁运斌 ,
  • 欧吉坤
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  • 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
YUAN Yun-Bin,male,born in February 1972,doctor

收稿日期: 2002-02-27

  网络出版日期: 2002-03-18

基金资助

supportedbyNNSFC(40 0 740 0 3)andChineseAccademyofSciences(KZCX2 -10 6).

Study on the New Methods of Correcting Ionospheric Delay and Ionospheric Model Using GPS Data

  • YUAN Yun-Bin ,
  • OU Ji-Kun
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  • Laboratory of Dynamic Geodesy, Institute of Geodesy and Geophysics,Chinese Academy of Sciences, Wuhan 430077

Received date: 2002-02-27

  Online published: 2002-03-18

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。

本文引用格式

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(英)[J]. 中国科学院大学学报, 2002 , 19(2) : 209 -214 . DOI: 10.7523/j.issn.2095-6134.2002.2.020

Abstract

Recently, according to the requirements of some im portant GPS research subjects in the fields of Geodesy, Geophy sics, Space -P hysics and Navig at ion in China, w e studied systematically how to correct the ef fects of the ionosphere on GPS, wi th high precision and accuracy.As the parts of t he main contributions, the research projects focus mainly on how to improve GPS survey by re-ducing ionospheric delay fo r dual/single f requency kinematic/static users :high accuracy co rrection of ionospheric delay for single/dual f requency GPS users on t he eart h and in space, China WAAS ionospheric modeling and the theory and met hod of monitoring of ionosphere using GPS.

参考文献

[1] YUAN Y B, OU J K.An Ionospheric Delay Correction Model Fitted to GPS Observations.In:Annual meeting of China Geophysics。 Hangzhou 。1998

[2] YUAN Y B, OU J K.Using GPS to investigate the variation law of ionospheric dalay and T EC.GPS World of China, 2000, 26(1):19~21

[3] YUAN Y B, OU J K.The First Study of Establishing China Grid Ionospheric Model.In:The proceeding of ION -GPS 2001, Utah:Salt Lake Cit y, 2001.2516 ~ 2524

[4] YUAN Y B, OU J K.Differential Areas for Differential Stations(DADS)———A New Method of Establishing Grid Ionospheric Model.Chi-nese Science Bulletin, 2002.47(8):636 ~ 639 (In Chinese)

[5] YUAN Y B, OU J K。The Effectsof Instrumental Bias in GPS Observations on Determining Ionospheric Delays and the Methods of Its Cal-ibration.Act a G eodaetica et Cart ographica Sinica, 1999, 28(2):110 ~ 114 (It is also selected as one of Papers for English Edit ion, Act aG eodaeti ca et Cartographi ca Si nica, Publi shed by Publishing House of S urveying and M apping Chinese Society of G eodesy, Phot ogrammet ry and Cart ography, 1999 。57 ~ 63)

[6] YUAN Y B, OU J K.Further Research on Ionospheric Delay Correction Method for Single -Frequency GPS User in WAAS.Acta Geo-daet ca et C artographica Sinica, 2000, (S up):96 ~ 102

[7] YUAN Y B, OU J K.An Improvement on Ionospheric Delay Correction for Single Frequency GPS User———the APR-IScheme.Journal of Geodesy, 2001, 75(5/6):331 ~ 336

[8] YUAN Y B, OU J K.Auto-Covariance Estimation of Variable Samples(ACEVS)and its Application forMonitoring Random Ionosphere Us-ing G PS.Journal of G eodesy, 2001, 75(7/8):438 ~ 447

[9] YUAN Y B, OU J K.A New Idea of Using GPS to Determine Ionospheric Delay ———Ionospheric Eclipse Factor Method(IEFM)。200。(to be submitted)

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