Article(id=1322916707186115407, tenantId=1146029695717560320, journalId=1281212831689347082, issueId=1322916705915249052, articleNumber=null, orderNo=null, doi=10.14075/j.jgg.2025.10.361, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1761235200000, receivedDateStr=2025-10-24, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793337521597, onlineDateStr=2026-10-30, pubDate=1784044800000, pubDateStr=2026-07-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793337521597, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793337521596, creator=13701087609, updateTime=1793337521596, updator=13701087609, issue=Issue{id=1322916705915249052, tenantId=1146029695717560320, journalId=1281212831689347082, year='2026', volume='46', issue='7', pageStart='790', pageEnd='912', issueExtLink='null', onlineDate='null', pubDate='1784044800000', pubDateStr='2026-07-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793337521294, creator='13701087609', updateTime=1793337521294, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=887, endPage=894, ext={EN=ArticleExt(id=1322916707358081872, articleId=1322916707186115407, tenantId=1146029695717560320, journalId=1281212831689347082, language=EN, title=Coseismic Displacement and Magnitude Analysis of the 2025 Myanmar
MS7.9 Earthquake Based on High-Frequency GNSS Observations, columnId=null, journalTitle=Journal of Geodesy and Geodynamics, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Taking the March 28, 2025, MS7.9 earthquake in Myanmar as an example, this study systematically analyzes the coseismic displacement and the resulting permanent displacement of the earthquake using 1 Hz high-frequency observation data from 21 GNSS reference stations in Yunnan, China, near the epicenter, based on the precise point positioning ambiguity resolution (PPPAR) method. The results indicate that the mean standard deviations of multi-system GNSS before the earthquake in the N (north), E (east), and U (up) directions are 0.7 cm, 1.1 cm, and 2.0 cm, respectively, representing accuracy improvements of 36.3%, 15.4%, and 39.4% compared to single-system GNSS. After the earthquake, high-frequency GNSS near the epicenter can detect distinct coseismic displacement waveforms, with the YNRL station, closest to the epicenter, showing a maximum peak change of 10.0 cm in the N direction and 6.2 cm in the E direction. The earthquake magnitude in Myanmar, calculated based on GNSS coseismic displacement results, is MS7.8, which is generally consistent with the officially released magnitude of MS7.9. Additionally, calculations reveal that multiple GNSS stations exhibit significant permanent displacements due to the earthquake, with the maximum displacement exceeding 2.0 cm. This study provides reference and data support for the application of high-frequency GNSS in monitoring coseismic displacement and analyzing earthquake magnitudes.
, authors=Peng GAO
1, 2, Ke SU
1, 2, *, Ting YIN
3, Yuze YANG
4, Guoqiang JIAO
5, Xuanwei CUI
1, Jiale WEI
1, authorsList=Peng GAO, Ke SU, Ting YIN, Yuze YANG, Guoqiang JIAO, Xuanwei CUI, Jiale WEI, authorCompany=null, correspAuthors=Ke SU, 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=1322916713242690400, articleId=1322916707186115407, tenantId=1146029695717560320, journalId=1281212831689347082, language=CN, title=基于高频GNSS观测的2025年缅甸
MS7.9地震同震位移与震级分析, columnId=1322566785874908034, journalTitle=大地测量与地球动力学, columnName=特色栏目: 地震大地测量学, runingTitle=null, highlight=null, articleAbstract=
以2025-03-28缅甸MS7.9地震为例, 利用震中附近中国云南境内21个GNSS基准站的1 Hz高频观测数据, 基于精密单点定位模糊度固定技术(PPPAR)方法系统性分析地震同震位移及其造成的永久位移, 并基于峰值地面位移计算地震震级。结果表明, 震前多系统GNSS在N、E和U方向上的标准差均值分别为0.7 cm、1.1 cm和2.0 cm, 相比于单系统精度分别提升36.3%、15.4%和39.4%;发震后震中附近的高频GNSS可以监测到明显的同震位移波形, 其中距震中最近的YNRL站N方向峰值变化最大可达10.0 cm, E方向峰值变化最大为6.2 cm。基于GNSS同震位移结果解算的缅甸地震震级为MS7.8, 与官方发布的震级MS7.9基本一致。此外, 经过计算, 多个GNSS测站存在明显的地震永久位移, 最大位移量超过2.0 cm。本文研究可为高频GNSS在地震同震位移监测与震级分析上的应用提供参考与数据支持。
, authors=高鹏
1, 2, 苏珂
1, 2, *, 殷婷
3, 杨宇泽
4, 焦国强
5, 崔轩玮
1, 魏嘉乐
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, correspAuthorsNote=
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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=KJxxWSklzdgCCxqa7wPhig==, magXml=JFXj2+g+zIh9C8apll8dSw==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=aY71tdOk91NjZ4UVKh+sGg==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=HD+k6ybMNCuzp2zkUgfyYw==, mapNumber=null, fund=null)}, authors=[Author(id=1322916715893490545, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=gp7228741@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322916716627493748, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, authorId=1322916715893490545, language=EN, stringName=Peng GAO, firstName=Peng, middleName=null, lastName=GAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=1 School of Space Information, Space Engineering University, Beijing 101416, China
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70 (32): 5551- 5565, articleTitle=null, refAbstract=null)], funds=[Fund(id=1322916737699677112, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, awardId=SYS-ZX02-2024-01, language=CN, fundingSource=智慧地球重点实验室基金(SYS-ZX02-2024-01), fundOrder=null, country=null), Fund(id=1322916738014249913, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, awardId=145AXL250004000X, language=CN, fundingSource=育新工程(145AXL250004000X), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1322916714094134113, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, xref=null, ext=[AuthorCompanyExt(id=1322916714115105634, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, companyId=1322916714094134113, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1 School of Space Information, Space Engineering University, Beijing 101416, China), AuthorCompanyExt(id=1322916714136077155, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, companyId=1322916714094134113, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1 航天工程大学航天信息学院, 北京, 101416)]), AuthorCompany(id=1322916715117544292, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, xref=null, ext=[AuthorCompanyExt(id=1322916715121738597, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, companyId=1322916715117544292, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2 Key Laboratory of Smart Earth, Beijing 100094, China), AuthorCompanyExt(id=1322916715130127206, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, companyId=1322916715117544292, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2 智慧地球重点实验室, 北京, 100094)]), AuthorCompany(id=1322916715390174055, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, xref=null, ext=[AuthorCompanyExt(id=1322916715402756968, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, companyId=1322916715390174055, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=3 Inner Mongolia Autonomous Region Ecological Environment Inspection Technical Support Center, Hohhot 010011, China), AuthorCompanyExt(id=1322916715415339881, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, companyId=1322916715390174055, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=3 内蒙古自治区生态环境督察技术支持中心, 呼和浩特, 010011)]), AuthorCompany(id=1322916715490837354, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, xref=null, ext=[AuthorCompanyExt(id=1322916715499225963, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, companyId=1322916715490837354, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=4 Shanghai Astronomical Observatory, CAS, Shanghai 200030, China), AuthorCompanyExt(id=1322916715516003180, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, companyId=1322916715490837354, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=4 中国科学院上海天文台, 上海, 200030)]), AuthorCompany(id=1322916715759272813, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, xref=null, ext=[AuthorCompanyExt(id=1322916715780244334, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, companyId=1322916715759272813, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=5 Beijing Institute of Tracking and Telecommunications Technology, Beijing 100094, China), AuthorCompanyExt(id=1322916715822187375, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, companyId=1322916715759272813, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=5 北京跟踪与通信技术研究所, 北京, 100094)])], figs=[ArticleFig(id=1322916725058044832, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, language=EN, label=Fig. 1, caption=
Distribution of Yunnan observation stations for the MS7.9 earthquake in Myanmar, figureFileSmall=IKCNejv+uQS3E10FsyOoKw==, figureFileBig=aY71tdOk91NjZ4UVKh+sGg==, tableContent=null), ArticleFig(id=1322916725435532193, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, language=CN, label=图1, caption=
缅甸MS7.9地震云南站点分布, figureFileSmall=IKCNejv+uQS3E10FsyOoKw==, figureFileBig=aY71tdOk91NjZ4UVKh+sGg==, tableContent=null), ArticleFig(id=1322916726261810082, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, language=EN, label=Fig. 2, caption=
Time series of the positioning results for YNSD, YNYM and YNML stations, figureFileSmall=DsuZ8gRmgiWvRlyV9biuHg==, figureFileBig=jrmJuaegq3FHkDpSxIdiiw==, tableContent=null), ArticleFig(id=1322916726702212003, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, language=CN, label=图2, caption=
YNSD、YNYM、YNML测站定位结果时间序列, figureFileSmall=DsuZ8gRmgiWvRlyV9biuHg==, figureFileBig=jrmJuaegq3FHkDpSxIdiiw==, tableContent=null), ArticleFig(id=1322916728786781094, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, language=EN, label=Fig. 3, caption=
PSD of for YNSD, YNYM and YNML stations, figureFileSmall=HaYSeviWZ/5pSP0/Z6UBEQ==, figureFileBig=leeW1eHv+qJQ86XqK2TeKg==, tableContent=null), ArticleFig(id=1322916729197822887, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, language=CN, label=图3, caption=
YNSD、YNYM、YNML测站功率谱密度, figureFileSmall=HaYSeviWZ/5pSP0/Z6UBEQ==, figureFileBig=leeW1eHv+qJQ86XqK2TeKg==, tableContent=null), ArticleFig(id=1322916729659196328, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, language=EN, label=Fig. 4, caption=
High-frequency coseismic displacement time series for 10 stations, figureFileSmall=Y4bgolQ7rle+dtTjxVqRCw==, figureFileBig=q4teE0QF8AGe4OpuxgUV8g==, tableContent=null), ArticleFig(id=1322916730061849513, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, language=CN, label=图4, caption=
10个站点高频同震位移时间序列, figureFileSmall=Y4bgolQ7rle+dtTjxVqRCw==, figureFileBig=q4teE0QF8AGe4OpuxgUV8g==, tableContent=null), ArticleFig(id=1322916730489668522, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, language=EN, label=Fig. 5, caption=
Horizontal displacement time series at station YNRL, figureFileSmall=th7lMSHt0OvZRU2frRjcMQ==, figureFileBig=C/zvnafueEvMjiylVImpDw==, tableContent=null), ArticleFig(id=1322916730904904619, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, language=CN, label=图5, caption=
YNRL站水平方向地面位移时间序列, figureFileSmall=th7lMSHt0OvZRU2frRjcMQ==, figureFileBig=C/zvnafueEvMjiylVImpDw==, tableContent=null), ArticleFig(id=1322916730984596396, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, language=EN, label=Fig. 6, caption=
Comparison of magnitudes calculated from high-rate GNSS data and reference magnitudes, figureFileSmall=vE+3EHo83/MPBMSw/dfTZA==, figureFileBig=Cjmh1FfgtAXjzRLAXxY7bw==, tableContent=null), ArticleFig(id=1322916732964307885, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, language=CN, label=图6, caption=
高频GNSS数据计算的震级和参考震级比较, figureFileSmall=vE+3EHo83/MPBMSw/dfTZA==, figureFileBig=Cjmh1FfgtAXjzRLAXxY7bw==, tableContent=null), ArticleFig(id=1322916733043999662, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, language=EN, label=Fig. 7, caption=
Relationship between PGD and epicentral distance for earthquakes with magnitudes of 7.5, 7.9, and 8.4, figureFileSmall=K4GE0NybNT2f1nmviWNkLw==, figureFileBig=oBeYThXmQasE6KrYw60Akg==, tableContent=null), ArticleFig(id=1322916733408904111, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, language=CN, label=图7, caption=
震级分别为7.5、7.9和8.4时PGD与震中距的关系, figureFileSmall=K4GE0NybNT2f1nmviWNkLw==, figureFileBig=oBeYThXmQasE6KrYw60Akg==, tableContent=null), ArticleFig(id=1322916733836723120, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, language=EN, label=Tab. 1, caption=
Information of the stations
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 测站 | 全称 | 概略坐标 | 震中距 |
| 1 | YNRL | 云南省瑞丽市 | 97.8°E, 24.0°N | 305 km |
| 2 | YNSD | 云南省施甸县 | 99.3°E, 23.5°N | 452 km |
| 3 | YNSM | 云南省思茅区 | 101°E, 22.7°N | 529 km |
| 4 | YNYL | 云南省云龙县 | 99.3°E, 25.8°N | 556 km |
| 5 | YNJD | 云南省景东县 | 100.8°E, 24.4°N | 572 km |
| 6 | YNCX | 云南省楚雄州 | 101.4°E, 25°N | 574 km |
| 7 | YNYA | 云南省大姚县 | 101.3°E, 25.7°N | 693 km |
| 8 | YNYM | 云南省元谋县 | 101.8°E, 25.6°N | 727 km |
| 9 | YNJP | 云南省金平县 | 103.2°E, 22.7°N | 752 km |
| 10 | YNML | 云南省弥勒市 | 103.3°E, 24.4°N | 804 km |
| 11 | YNLA | 云南省澜沧市 | 99.9°E, 22.5°N | 414 km |
| 12 | YNLC | 云南省临沧市 | 100°E, 23.8°N | 469 km |
| 13 | YNTC | 云南省腾冲市 | 98.5°E, 25°N | 437 km |
| 14 | YNYS | 云南省永胜市 | 100.7°E, 26.6°N | 715 km |
| 15 | YNDC | 云南省东川市 | 103.1°E, 26.1°N | 867 km |
| 16 | YNHZ | 云南省会泽市 | 103.2°E, 26.4°N | 894 km |
| 17 | YNLJ | 云南省丽江市 | 100°E, 26.6°N | 670 km |
| 18 | YNMZ | 云南省蒙自市 | 103.4°E, 23.3°N | 783 km |
| 19 | YNTH | 云南省通海市 | 102.7°E, 24.1°N | 736 km |
| 20 | YNWS | 云南省文山市 | 104.2°E, 23.3°N | 863 km |
| 21 | YNZD | 云南省中甸市 | 99.6°E, 27.8°N | 758 km |
), ArticleFig(id=1322916734230987697, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, language=CN, label=表1, caption=
站点信息
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 测站 | 全称 | 概略坐标 | 震中距 |
| 1 | YNRL | 云南省瑞丽市 | 97.8°E, 24.0°N | 305 km |
| 2 | YNSD | 云南省施甸县 | 99.3°E, 23.5°N | 452 km |
| 3 | YNSM | 云南省思茅区 | 101°E, 22.7°N | 529 km |
| 4 | YNYL | 云南省云龙县 | 99.3°E, 25.8°N | 556 km |
| 5 | YNJD | 云南省景东县 | 100.8°E, 24.4°N | 572 km |
| 6 | YNCX | 云南省楚雄州 | 101.4°E, 25°N | 574 km |
| 7 | YNYA | 云南省大姚县 | 101.3°E, 25.7°N | 693 km |
| 8 | YNYM | 云南省元谋县 | 101.8°E, 25.6°N | 727 km |
| 9 | YNJP | 云南省金平县 | 103.2°E, 22.7°N | 752 km |
| 10 | YNML | 云南省弥勒市 | 103.3°E, 24.4°N | 804 km |
| 11 | YNLA | 云南省澜沧市 | 99.9°E, 22.5°N | 414 km |
| 12 | YNLC | 云南省临沧市 | 100°E, 23.8°N | 469 km |
| 13 | YNTC | 云南省腾冲市 | 98.5°E, 25°N | 437 km |
| 14 | YNYS | 云南省永胜市 | 100.7°E, 26.6°N | 715 km |
| 15 | YNDC | 云南省东川市 | 103.1°E, 26.1°N | 867 km |
| 16 | YNHZ | 云南省会泽市 | 103.2°E, 26.4°N | 894 km |
| 17 | YNLJ | 云南省丽江市 | 100°E, 26.6°N | 670 km |
| 18 | YNMZ | 云南省蒙自市 | 103.4°E, 23.3°N | 783 km |
| 19 | YNTH | 云南省通海市 | 102.7°E, 24.1°N | 736 km |
| 20 | YNWS | 云南省文山市 | 104.2°E, 23.3°N | 863 km |
| 21 | YNZD | 云南省中甸市 | 99.6°E, 27.8°N | 758 km |
), ArticleFig(id=1322916734642029490, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, language=EN, label=Tab. 2, caption=
PPP data processing strategies
, figureFileSmall=null, figureFileBig=null, tableContent=
| 内容 | 策略 |
| 方案 | GPS单系统和GPS+BDS+GLONASS+Galileo四系统PPPAR |
| 观测数据间隔 | 1 s |
| 截止高度角 | 10° |
| 电离层延迟 | 无电离层组合消除电离层一阶项,高阶项影响忽略[14] |
| 对流层延迟 | 固定干延迟,湿延迟随机游走估计[15] |
| 对流层映射函数 | 全球映射函数(GMF)[16] |
| 卫星轨道 | 精密轨道产品[17] |
| 卫星钟差 | 精密钟差产品[18] |
| 卫星和接收机天线相位中心改正 | 基于igs20.atx改正[19] |
| 地球自转参数 | 地球自转改正模型[20] |
| 定位模式 | PPPAR动态解,过程噪声100 m/s2[21] |
| 模糊度参数 | 常数估计约束[22] |
| 模糊度固定策略 | 最小二乘降相关平差(LAMBDA) |
| 估计器 | Kalman滤波 |
| 随机模型 | 高度角定权[23] |
), ArticleFig(id=1322916734738498483, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, language=CN, label=表2, caption=
PPP数据处理策略
, figureFileSmall=null, figureFileBig=null, tableContent=
| 内容 | 策略 |
| 方案 | GPS单系统和GPS+BDS+GLONASS+Galileo四系统PPPAR |
| 观测数据间隔 | 1 s |
| 截止高度角 | 10° |
| 电离层延迟 | 无电离层组合消除电离层一阶项,高阶项影响忽略[14] |
| 对流层延迟 | 固定干延迟,湿延迟随机游走估计[15] |
| 对流层映射函数 | 全球映射函数(GMF)[16] |
| 卫星轨道 | 精密轨道产品[17] |
| 卫星钟差 | 精密钟差产品[18] |
| 卫星和接收机天线相位中心改正 | 基于igs20.atx改正[19] |
| 地球自转参数 | 地球自转改正模型[20] |
| 定位模式 | PPPAR动态解,过程噪声100 m/s2[21] |
| 模糊度参数 | 常数估计约束[22] |
| 模糊度固定策略 | 最小二乘降相关平差(LAMBDA) |
| 估计器 | Kalman滤波 |
| 随机模型 | 高度角定权[23] |
), ArticleFig(id=1322916735107597236, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, language=EN, label=Tab. 3, caption=
PPPAR positioning accuracy of the GPS-only and multi-GNSS solutions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 测站 | 单GPS定位精度 | | 多系统GNSS定位精度 |
| N方向/cm | E方向/cm | U方向/cm | 3D方向/cm | N方向/cm | E方向/cm | U方向/cm | 3D方向/cm |
| YNRL | 1.5 | 0.6 | 2.2 | 2.7 | | 1.0 | 1.4 | 1.9 | 2.6 |
| YNSD | 1.1 | 3.8 | 3.8 | 5.5 | 0.9 | 2.1 | 1.6 | 2.8 |
| YNYL | 1.3 | 1.3 | 2.6 | 3.2 | 0.8 | 1.6 | 1.9 | 2.5 |
| YNJD | 0.9 | 0.9 | 3.3 | 3.6 | 0.6 | 0.6 | 2.7 | 2.8 |
| YNCX | 0.9 | 0.7 | 4.8 | 4.9 | 0.6 | 0.6 | 1.3 | 1.5 |
| YNYM | 0.9 | 2.0 | 2.6 | 3.4 | 0.7 | 1.6 | 2.6 | 3.1 |
| YNVA | 1.2 | 0.6 | 2.9 | 3.2 | 0.7 | 0.9 | 2.4 | 2.7 |
| YNSM | 1.3 | 1.1 | 5.3 | 5.6 | 0.7 | 0.7 | 3.1 | 3.3 |
| YNJP | 0.6 | 0.8 | 1.9 | 2.2 | 0.7 | 0.6 | 1.2 | 1.4 |
| YNML | 1.0 | 0.8 | 3.3 | 3.5 | 0.6 | 0.6 | 1.6 | 1.8 |
| 平均值 | 1.1 | 1.3 | 3.3 | 3.8 | 0.7 | 1.1 | 2.0 | 2.5 |
), ArticleFig(id=1322916735485084597, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, language=CN, label=表3, caption=
单GPS和多系统GNSS PPPAR定位精度
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| 测站 | 单GPS定位精度 | | 多系统GNSS定位精度 |
| N方向/cm | E方向/cm | U方向/cm | 3D方向/cm | N方向/cm | E方向/cm | U方向/cm | 3D方向/cm |
| YNRL | 1.5 | 0.6 | 2.2 | 2.7 | | 1.0 | 1.4 | 1.9 | 2.6 |
| YNSD | 1.1 | 3.8 | 3.8 | 5.5 | 0.9 | 2.1 | 1.6 | 2.8 |
| YNYL | 1.3 | 1.3 | 2.6 | 3.2 | 0.8 | 1.6 | 1.9 | 2.5 |
| YNJD | 0.9 | 0.9 | 3.3 | 3.6 | 0.6 | 0.6 | 2.7 | 2.8 |
| YNCX | 0.9 | 0.7 | 4.8 | 4.9 | 0.6 | 0.6 | 1.3 | 1.5 |
| YNYM | 0.9 | 2.0 | 2.6 | 3.4 | 0.7 | 1.6 | 2.6 | 3.1 |
| YNVA | 1.2 | 0.6 | 2.9 | 3.2 | 0.7 | 0.9 | 2.4 | 2.7 |
| YNSM | 1.3 | 1.1 | 5.3 | 5.6 | 0.7 | 0.7 | 3.1 | 3.3 |
| YNJP | 0.6 | 0.8 | 1.9 | 2.2 | 0.7 | 0.6 | 1.2 | 1.4 |
| YNML | 1.0 | 0.8 | 3.3 | 3.5 | 0.6 | 0.6 | 1.6 | 1.8 |
| 平均值 | 1.1 | 1.3 | 3.3 | 3.8 | 0.7 | 1.1 | 2.0 | 2.5 |
), ArticleFig(id=1322916735594136502, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, language=EN, label=Tab. 4, caption=
High-rate GNSS permanent displacement results
, figureFileSmall=null, figureFileBig=null, tableContent=
| 站点 | N方向形变/mm | E方向形变/mm | N方向误差/mm | E方向误差/mm |
| YNRL | -13.1 | -12.2 | 7.6 | 8.5 |
| YNSD | -18.3 | -3.7 | 5.5 | 6.3 |
| YNJP | -2.3 | 10.4 | 5.1 | 5.7 |
| YNJD | -4.5 | 14.8 | 5.4 | 5.4 |
| YNLA | 23.7 | -22.1 | 7.5 | 11.3 |
| YNLC | 28.2 | -9.1 | 7.9 | 9.1 |
| YNYS | -10.6 | 20.7 | 7.8 | 7.7 |
| YNDC | 10.8 | 4.3 | 5.6 | 6.5 |
), ArticleFig(id=1322916737565459383, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322916707186115407, language=CN, label=表4, caption=
高频GNSS永久位移结果
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| 站点 | N方向形变/mm | E方向形变/mm | N方向误差/mm | E方向误差/mm |
| YNRL | -13.1 | -12.2 | 7.6 | 8.5 |
| YNSD | -18.3 | -3.7 | 5.5 | 6.3 |
| YNJP | -2.3 | 10.4 | 5.1 | 5.7 |
| YNJD | -4.5 | 14.8 | 5.4 | 5.4 |
| YNLA | 23.7 | -22.1 | 7.5 | 11.3 |
| YNLC | 28.2 | -9.1 | 7.9 | 9.1 |
| YNYS | -10.6 | 20.7 | 7.8 | 7.7 |
| YNDC | 10.8 | 4.3 | 5.6 | 6.5 |
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