Article(id=1322566879873446332, tenantId=1146029695717560320, journalId=1281212831689347082, issueId=1322566845215912204, articleNumber=null, orderNo=null, doi=10.14075/j.jgg.2025.03.077, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1741708800000, receivedDateStr=2025-03-12, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793254116265, onlineDateStr=2026-10-29, pubDate=1771084800000, pubDateStr=2026-02-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793254116265, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793254116265, creator=13701087609, updateTime=1793254116265, updator=13701087609, issue=Issue{id=1322566845215912204, tenantId=1146029695717560320, journalId=1281212831689347082, year='2026', volume='46', issue='2', pageStart='139', pageEnd='261', issueExtLink='null', onlineDate='null', pubDate='1771084800000', pubDateStr='2026-02-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793254108003, creator='13701087609', updateTime=1793254108003, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=220, endPage=226, ext={EN=ArticleExt(id=1322566881437921726, articleId=1322566879873446332, tenantId=1146029695717560320, journalId=1281212831689347082, language=EN, title=Performance Evaluation of Ionospheric Correction Models in China, columnId=null, journalTitle=Journal of Geodesy and Geodynamics, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Using 60 days of observational data from 233 monitoring stations of the crustal movement observation network of China (CMONOC) in 2023, the ionospheric delay modeling accuracy and standard point positioning (SPP) accuracy of BDGIM, Klobuchar, NeQuickG and BDSBAS models are analyzed. The results show that the BDSBAS ionospheric correction has the highest accuracy, with the ionospheric delay residual error of 1.0 m and an average correction rate of 87% within the region, and 68% of the 3D positioning errors reaching 1.95 m. The NeQuickG and BDGIM models have similar performance, with the ionospheric delay residual error of 2.0 m and an average correction rate of 73%, and positioning accuracy of 2.59 m and 2.82 m, respectively. The Klobuchar model has a correction rate of 67% and a positioning accuracy of 4.35 m. For single frequency users within China, the BDSBAS ionospheric model is recommended as the first choice, followed by the BDGIM model, which has a relatively simpler algorithm and better accuracy.
, authors=Yi YANG
1, 2, Qi LIU
1, 2, 3, Li YANG
1, 2, 3, *, Jinpeng REN
1, 2, Kai ZHAO
1, 2, Mengxiang WANG
1, 2, Keqi SU
1, 2, authorsList=Yi YANG, Qi LIU, Li YANG, Jinpeng REN, Kai ZHAO, Mengxiang WANG, Keqi SU, authorCompany=null, correspAuthors=Li YANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=
All rights reserved. Unauthorized reproduction is prohibited., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322566882847207879, articleId=1322566879873446332, tenantId=1146029695717560320, journalId=1281212831689347082, language=CN, title=中国区域广播电离层模型改正性能评估, columnId=1281909276545356011, journalTitle=大地测量与地球动力学, columnName=大地测量学, runingTitle=null, highlight=null, articleAbstract=
利用233个中国大陆构造环境监测网络(CMONOC)监测站2023年60 d的观测数据对BDGIM、Klobuchar、NeQuickG和BDSBAS模型电离层延迟建模精度和标准单点定位精度进行分析。结果表明, BDSBAS格网电离层改正精度最高, 电离层延迟残余误差为1.0 m, 区域内平均改正率达到87%, 68%的三维定位误差达到1.95 m; NeQuickG和BDGIM模型改正性能相当, 电离层延迟残余误差为2.0 m, 平均改正率达到73%, 定位精度分别为2.59 m和2.82 m; Klobuchar模型平均改正率为67%, 定位精度达到4.35 m。中国区域内单频用户可优先使用BDSBAS格网电离层模型, 其次可选择算法相对简单、精度较优的BDGIM模型。
, authors=杨艺
1, 2, 刘琦
1, 2, 3, 杨力
1, 2, 3, *, 任金鹏
1, 2, 赵凯
1, 2, 王梦祥
1, 2, 苏柯淇
1, 2, authorsList=杨艺, 刘琦, 杨力, 任金鹏, 赵凯, 王梦祥, 苏柯淇, authorCompany=null, correspAuthors=杨力, authorNote=
, correspAuthorsNote=
, copyrightStatement=
版权所有,未经授权,不得转载。, copyrightOwner=大地测量与地球动力学编辑部, extLink=null, articleAbsUrl=null, sourceXml=I9Q/e1pvfBJyGF4JB5dQWQ==, magXml=nWTi+/DGp6e4XCLtGFhbyA==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=kzTmT5R2oKO23kw/ldynBQ==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=WF2Qd2daP/wg2fjYPZSj9A==, mapNumber=null, fund=null)}, authors=[Author(id=1322566883371495890, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566879873446332, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=yang_yi2419@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322566883446993365, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566879873446332, authorId=1322566883371495890, language=EN, stringName=Yi YANG, firstName=Yi, middleName=null, lastName=YANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=1 State Key Laboratory of Spatial Datum, Zhengzhou 450046, China
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杨艺, 硕士生, 主要研究方向为卫星导航与定位技术, E-mail: yang_yi2419@163.com
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杨艺, 硕士生, 主要研究方向为卫星导航与定位技术, E-mail: yang_yi2419@163.com
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Distribution of CMONOC stations and BDSBAS GEO satellites, figureFileSmall=gSNCI1deORKaCb4Kq/oVQQ==, figureFileBig=kzTmT5R2oKO23kw/ldynBQ==, tableContent=null), ArticleFig(id=1322566887783903755, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566879873446332, language=CN, label=图1, caption=
陆态网监测站和BDSBAS GEO卫星分布 红色点为陆态网监测站点,蓝色点为GEO卫星
, figureFileSmall=gSNCI1deORKaCb4Kq/oVQQ==, figureFileBig=kzTmT5R2oKO23kw/ldynBQ==, tableContent=null), ArticleFig(id=1322566887985230348, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566879873446332, language=EN, label=Fig. 2, caption=
Ionospheric delay residual errors of CMONOC stations under different ionosphere status using each models, figureFileSmall=nVYIotD9GptwHyG3peLA0g==, figureFileBig=HeapVswhOToJWWIqOJo2UA==, tableContent=null), ArticleFig(id=1322566888161391117, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566879873446332, language=CN, label=图2, caption=
不同电离层状态下陆态网测站使用各模型的电离层延迟残余误差, figureFileSmall=nVYIotD9GptwHyG3peLA0g==, figureFileBig=HeapVswhOToJWWIqOJo2UA==, tableContent=null), ArticleFig(id=1322566888245277198, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566879873446332, language=EN, label=Fig. 3, caption=
Ionospheric delay residual errors and correction rates during 60 days at CMONOC stations of each models, figureFileSmall=PXc2gIaWrviiv+OUEXLYow==, figureFileBig=1Kvlmkr85lre6LsecGLnTg==, tableContent=null), ArticleFig(id=1322566888329163279, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566879873446332, language=CN, label=图3, caption=
采用不同模型时各陆态网测站60 d电离层延迟残余误差RMS值及改正率, figureFileSmall=PXc2gIaWrviiv+OUEXLYow==, figureFileBig=1Kvlmkr85lre6LsecGLnTg==, tableContent=null), ArticleFig(id=1322566888576627216, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566879873446332, language=EN, label=Fig. 4, caption=
SPP errors of CMONOC stations using each ionospheric models, figureFileSmall=DoqzFPB6gp98Os+yzR+SzQ==, figureFileBig=jvxTbAWbtU+K+U7Er6Gatw==, tableContent=null), ArticleFig(id=1322566890250154515, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566879873446332, language=CN, label=图4, caption=
采用不同电离层模型时各陆态网测站标准单点定位误差, figureFileSmall=DoqzFPB6gp98Os+yzR+SzQ==, figureFileBig=jvxTbAWbtU+K+U7Er6Gatw==, tableContent=null), ArticleFig(id=1322566890346623508, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566879873446332, language=EN, label=Tab. 1, caption=
RMS of ionospheric delay residual errors corrected by each models
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型名称 | 区域平均RMS/m | | 中纬度区域RMS/m | | 低纬度区域RMS/m |
| 平静期 | 活跃期 | 平静期 | 活跃期 | 平静期 | 活跃期 |
| BDSBAS | 0.87 | 1.15 | | 0.72 | 1.05 | | 1.22 | 1.82 |
| NeQuickG | 1.77 | 2.40 | 1.44 | 2.28 | 2.50 | 2.67 |
| BDGIM | 1.69 | 2.36 | 1.42 | 2.17 | 2.32 | 2.77 |
| Klobuchar | 2.08 | 2.72 | 1.63 | 2.64 | 2.89 | 3.11 |
), ArticleFig(id=1322566890438898197, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566879873446332, language=CN, label=表1, caption=
各模型改正后的电离层延迟残余误差RMS值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型名称 | 区域平均RMS/m | | 中纬度区域RMS/m | | 低纬度区域RMS/m |
| 平静期 | 活跃期 | 平静期 | 活跃期 | 平静期 | 活跃期 |
| BDSBAS | 0.87 | 1.15 | | 0.72 | 1.05 | | 1.22 | 1.82 |
| NeQuickG | 1.77 | 2.40 | 1.44 | 2.28 | 2.50 | 2.67 |
| BDGIM | 1.69 | 2.36 | 1.42 | 2.17 | 2.32 | 2.77 |
| Klobuchar | 2.08 | 2.72 | 1.63 | 2.64 | 2.89 | 3.11 |
), ArticleFig(id=1322566890669584918, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566879873446332, language=EN, label=Tab. 2, caption=
RMS of ionospheric delay residual errors and correction rates corrected by each models
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型名称 | 区域平均 | | 中纬度区域(30°~60°N) | | 低纬度区域(0°~30°N) |
| RMS/m | 改正率/% | RMS/m | 改正率/% | RMS/m | 改正率/% |
| BDSBAS | 1.01 | 87 | | 0.91 | 87 | | 1.60 | 89 |
| NeQuickG | 2.02 | 74 | 1.77 | 75 | 2.57 | 73 |
| BDGIM | 2.07 | 73 | 1.73 | 75 | 2.69 | 72 |
| Klobuchar | 2.49 | 67 | 2.24 | 67 | 3.05 | 67 |
), ArticleFig(id=1322566890753470999, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566879873446332, language=CN, label=表2, caption=
各模型改正后的电离层延迟残余误差RMS值及改正率
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型名称 | 区域平均 | | 中纬度区域(30°~60°N) | | 低纬度区域(0°~30°N) |
| RMS/m | 改正率/% | RMS/m | 改正率/% | RMS/m | 改正率/% |
| BDSBAS | 1.01 | 87 | | 0.91 | 87 | | 1.60 | 89 |
| NeQuickG | 2.02 | 74 | 1.77 | 75 | 2.57 | 73 |
| BDGIM | 2.07 | 73 | 1.73 | 75 | 2.69 | 72 |
| Klobuchar | 2.49 | 67 | 2.24 | 67 | 3.05 | 67 |
), ArticleFig(id=1322566890820579864, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566879873446332, language=EN, label=Tab. 3, caption=
Positioning error statistics of CMONOC stations using each ionosphere models
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | 全部测站误差/m | | 中纬度测站误差/m | | 低纬度测站误差/m |
| 68% | 95% | 68% | 95% | 68% | 95% |
| BDSBAS | 1.95 | 5.59 | | 1.71 | 3.49 | | 3.20 | 8.72 |
| NeQuickG | 2.59 | 8.17 | 2.18 | 5.93 | 4.14 | 11.18 |
| BDGIM | 2.82 | 8.39 | 2.40 | 6.27 | 4.64 | 11.88 |
| Klobuchar | 4.35 | 10.98 | 3.85 | 9.11 | 5.56 | 13.40 |
), ArticleFig(id=1322566890887688729, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566879873446332, language=CN, label=表3, caption=
采用不同电离层模型时陆态网测站定位误差统计
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | 全部测站误差/m | | 中纬度测站误差/m | | 低纬度测站误差/m |
| 68% | 95% | 68% | 95% | 68% | 95% |
| BDSBAS | 1.95 | 5.59 | | 1.71 | 3.49 | | 3.20 | 8.72 |
| NeQuickG | 2.59 | 8.17 | 2.18 | 5.93 | 4.14 | 11.18 |
| BDGIM | 2.82 | 8.39 | 2.40 | 6.27 | 4.64 | 11.88 |
| Klobuchar | 4.35 | 10.98 | 3.85 | 9.11 | 5.56 | 13.40 |
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