Article(id=1322940605004919261, tenantId=1146029695717560320, journalId=1281212831689347082, issueId=1322940449979244751, articleNumber=null, orderNo=null, doi=10.14075/j.jgg.2024.04.168, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1712851200000, receivedDateStr=2024-04-12, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793343219280, onlineDateStr=2026-10-30, pubDate=1741968000000, pubDateStr=2025-03-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343219280, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343219280, creator=13701087609, updateTime=1793343219280, updator=13701087609, issue=Issue{id=1322940449979244751, tenantId=1146029695717560320, journalId=1281212831689347082, year='2025', volume='45', issue='3', pageStart='221', pageEnd='330', issueExtLink='null', onlineDate='null', pubDate='1741968000000', pubDateStr='2025-03-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793343182320, creator='13701087609', updateTime=1793343182320, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=297, endPage=302, ext={EN=ArticleExt(id=1322940605428543968, articleId=1322940605004919261, tenantId=1146029695717560320, journalId=1281212831689347082, language=EN, title=A PPP Adaptive Stochastic Model for Low-Cost GNSS Receivers in Complex Environments, columnId=null, journalTitle=Journal of Geodesy and Geodynamics, columnName=null, runingTitle=null, highlight=null, articleAbstract=
We propose an adaptive stochastic model for low-cost receiver precise point positioning(PPP) in complex environments. The model improves PPP performance by adaptively adjusting the weight ratio of pseudorange observations and carrier phase observations of all GNSS satellites in a single epoch. We take the Hexinxingtong UM982 low-cost GNSS receiver to conduct PPP tests in three complex environments, including tree shade, high buildings and glass walls. The static PPP results show that the positioning accuracy of adaptive stochastic model is improved by 24%, 45% and 50% in three complex environments, respectively, and the convergence time is shortened by 49%, 27% and 24%, respectively, compared with the traditional empirical weighted stochastic model. The kinematic PPP results show that the positioning accuracy of adaptive stochastic model is improved by 35% in complex environment.
, authors=Jianwen YAN
1, Changsheng CAI
1, 2, *, Minsi AO
3, Chunhuaianwen CHEN
3, authorsList=Jianwen YAN, Changsheng CAI, Minsi AO, Chunhuaianwen CHEN, authorCompany=null, correspAuthors=Changsheng CAI, authorNote=
YAN Jianwen, postgraduate, majors in GNSS data processing and precise positioning, E-mail: 1759173336@qq.com
, 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=1322940614995751411, articleId=1322940605004919261, tenantId=1146029695717560320, journalId=1281212831689347082, language=CN, title=一种复杂环境下低成本GNSS接收机PPP自适应随机模型, columnId=1322506169105633839, journalTitle=大地测量与地球动力学, columnName=现代大地测量, runingTitle=null, highlight=null, articleAbstract=
提出一种适用于复杂环境下低成本接收机精密单点定位(PPP)的自适应随机模型,该模型通过对单个历元所有GNSS卫星的伪距观测值和载波相位观测值的权重比进行自适应调节,以提升PPP性能。采用和芯星通UM982型号低成本GNSS接收机,在树荫、高楼和玻璃墙3种复杂环境下进行PPP实验。静态PPP实验结果表明,相比传统的经验定权随机模型,自适应随机模型定位精度在3种复杂环境下分别提升24%、45%和50%,收敛时间分别缩短49%、27%和24%。动态PPP实验结果表明,自适应随机模型定位精度在复杂环境下提升35%。
, authors=闫健文
1, 蔡昌盛
1, 2, *, 敖敏思
3, 陈春花
3, authorsList=闫健文, 蔡昌盛, 敖敏思, 陈春花, authorCompany=null, correspAuthors=蔡昌盛, authorNote=
, correspAuthorsNote=
蔡昌盛,博士,教授,博士生导师,主要从事GNSS导航和精密定位研究,E-mail: csucai@csu.edu.cn
CAI Changsheng, PhD, professor, PhD supervisor, majors in GNSS navigation and precise positioning, E-mail: csucai@csu.edu.cn
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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=ixjW992C/BF8aV+Iz/cy3w==, magXml=Bvx0x3DQY+rUxxDxYa98zw==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=OmsIiXJFsLqQ+hckQbNXkw==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=kroEzzVL9KRB+Blb/zZfRw==, mapNumber=null, fund=null)}, authors=[Author(id=1322940622490972673, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=1759173336@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322940623329833477, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, authorId=1322940622490972673, language=EN, stringName=Jianwen YAN, firstName=Jianwen, middleName=null, lastName=YAN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1, address=1 中南大学地球科学与信息物理学院, 长沙市麓山南路932号, 410083, bio={"content":"
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33 (5): 47- 51, articleTitle=null, refAbstract=null)], funds=[Fund(id=1322940660726247999, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, awardId=SKLGIE2021-Z-2-1, language=EN, fundingSource=Open Fund of State Key Laboratory of Geo-Information Engineering(SKLGIE2021-Z-2-1), fundOrder=null, country=null), Fund(id=1322940662756291138, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, awardId=SKLGIE2021-Z-2-1, language=CN, fundingSource=地理信息工程国家重点实验室开放基金(SKLGIE2021-Z-2-1), fundOrder=null, country=null), Fund(id=1322940663322522180, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, awardId=42174040, language=EN, fundingSource=National Natural Science Foundation of China(42174040), fundOrder=null, country=null), Fund(id=1322940664077496901, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, awardId=42174040, language=CN, fundingSource=国家自然科学基金(42174040), fundOrder=null, country=null), Fund(id=1322940664891191879, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, awardId=42388102, language=EN, fundingSource=National Natural Science Foundation of China(42388102), fundOrder=null, country=null), Fund(id=1322940666677965384, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, awardId=42388102, language=CN, fundingSource=国家自然科学基金(42388102), fundOrder=null, country=null), Fund(id=1322940667411968586, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, awardId=HNGTCH-2023-05, language=EN, fundingSource=Project of Department of Natural Resources of Hunan Province(HNGTCH-2023-05), fundOrder=null, country=null), Fund(id=1322940668221469259, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, awardId=HNGTCH-2023-05, language=CN, fundingSource=湖南省自然资源厅项目(HNGTCH-2023-05), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1322940617965318647, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, xref=null, ext=[AuthorCompanyExt(id=1322940618284085752, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, companyId=1322940617965318647, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1 School of Geosciences and Info-Physics, Central South University, 932 South-Lushan Road, Changsha 410083, China), AuthorCompanyExt(id=1322940618787402233, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, companyId=1322940617965318647, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1 中南大学地球科学与信息物理学院, 长沙市麓山南路932号, 410083)]), AuthorCompany(id=1322940619659817466, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, xref=null, ext=[AuthorCompanyExt(id=1322940619672400379, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, companyId=1322940619659817466, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2 State Key Laboratory of Geo-Information Engineering, 1 Mid-Yanta Road, Xi' an 710054, China), AuthorCompanyExt(id=1322940619684983292, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, companyId=1322940619659817466, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2 地理信息工程国家重点实验室, 西安市雁塔路中段1号, 710054)]), AuthorCompany(id=1322940620075053565, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, xref=null, ext=[AuthorCompanyExt(id=1322940620083442174, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, companyId=1322940620075053565, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=3 Hunan Institute of Surveying and Mapping Technology, 693 Mid-Shaoshan Road, Changsha 410007, China), AuthorCompanyExt(id=1322940620096025087, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, companyId=1322940620075053565, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=3 湖南省测绘科技研究所, 长沙市韶山中路693号, 410007)])], figs=[ArticleFig(id=1322940645358318120, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, language=EN, label=Fig. 1, caption=
Flow chart of adaptive stochastic model algorithm of low-cost receiver, figureFileSmall=D+VEUG6vzYwZN6EYM/qNlw==, figureFileBig=OmsIiXJFsLqQ+hckQbNXkw==, tableContent=null), ArticleFig(id=1322940646021018153, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, language=CN, label=图1, caption=
低成本接收机PPP自适应随机模型算法流程, figureFileSmall=D+VEUG6vzYwZN6EYM/qNlw==, figureFileBig=OmsIiXJFsLqQ+hckQbNXkw==, tableContent=null), ArticleFig(id=1322940649082860074, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, language=EN, label=Fig. 2, caption=
Data collection environment and equipment setup, figureFileSmall=x1bdeH83fO+/26ZE4ppuAg==, figureFileBig=qOZELe3+KBTpgsO1v+5jqA==, tableContent=null), ArticleFig(id=1322940649774920235, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, language=CN, label=图2, caption=
数据采集环境和仪器安装, figureFileSmall=x1bdeH83fO+/26ZE4ppuAg==, figureFileBig=qOZELe3+KBTpgsO1v+5jqA==, tableContent=null), ArticleFig(id=1322940650169184812, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, language=EN, label=Fig. 3, caption=
RMS of multipath errors for Trimble and UM982 receivers in different constellations and frequencies under different environments, figureFileSmall=eyfs4MZkgafgvxaf/V8QXQ==, figureFileBig=MSbF99lLvBtQ4ZETS6OPrA==, tableContent=null), ArticleFig(id=1322940650626363949, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, language=CN, label=图3, caption=
天宝和UM982接收机在不同环境下不同星座各频率的多路径误差RMS值, figureFileSmall=eyfs4MZkgafgvxaf/V8QXQ==, figureFileBig=MSbF99lLvBtQ4ZETS6OPrA==, tableContent=null), ArticleFig(id=1322940651138069038, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, language=EN, label=Fig. 4, caption=
Number of available satellites and PDOP values for UM982 receiver under different environments, figureFileSmall=LKh5QR/Z5imsg65hYXTF4w==, figureFileBig=6MxKKgmT1oKDTtEA2iReHw==, tableContent=null), ArticleFig(id=1322940653176500784, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, language=CN, label=图4, caption=
不同环境下UM982接收机的可用卫星数和PDOP值, figureFileSmall=LKh5QR/Z5imsg65hYXTF4w==, figureFileBig=6MxKKgmT1oKDTtEA2iReHw==, tableContent=null), ArticleFig(id=1322940654116024883, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, language=EN, label=Fig. 5, caption=
Static PPP positioning errors for UM982 receiver using traditional stochastic model and adaptive stochastic model under different environments, figureFileSmall=IgdLQ20Q+Ion1D3Xjnv8Ew==, figureFileBig=FwPPKEinVC3tn4HwOgaiTA==, tableContent=null), ArticleFig(id=1322940655303012916, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, language=CN, label=图5, caption=
不同环境下UM982接收机采用自适应随机模型与传统随机模型静态PPP定位误差, figureFileSmall=IgdLQ20Q+Ion1D3Xjnv8Ew==, figureFileBig=FwPPKEinVC3tn4HwOgaiTA==, tableContent=null), ArticleFig(id=1322940656070570549, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, language=EN, label=Fig. 6, caption=
Kinematic data collection route and environment, figureFileSmall=Lr2ATck7ggPMh9ykc5yo3g==, figureFileBig=ghU0SsoUl1Kj4OPhr5u2mQ==, tableContent=null), ArticleFig(id=1322940657748292151, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, language=CN, label=图6, caption=
动态实验路线和观测环境, figureFileSmall=Lr2ATck7ggPMh9ykc5yo3g==, figureFileBig=ghU0SsoUl1Kj4OPhr5u2mQ==, tableContent=null), ArticleFig(id=1322940657853149752, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, language=EN, label=Fig. 7, caption=
Number of available satellites and PDOP values for UM982 receiver in kinematic PPP experiment, figureFileSmall=Cs9Hij6Q6c8iBhx6peWIAg==, figureFileBig=A06wZ+jfKp/sf5DnnY+F4Q==, tableContent=null), ArticleFig(id=1322940658620707385, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, language=CN, label=图7, caption=
UM982接收机动态PPP实验可用卫星数和PDOP值, figureFileSmall=Cs9Hij6Q6c8iBhx6peWIAg==, figureFileBig=A06wZ+jfKp/sf5DnnY+F4Q==, tableContent=null), ArticleFig(id=1322940659014971962, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, language=EN, label=Fig. 8, caption=
Kinematic PPP errors for UM982 receiver using different stochastic models under complex environment, figureFileSmall=AHFQrB66rq6L29aj04nt4Q==, figureFileBig=V8x82xshHKRtfH5ojmhtQA==, tableContent=null), ArticleFig(id=1322940659451179579, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, language=CN, label=图8, caption=
复杂环境下UM982接收机采用不同随机模型的动态PPP误差, figureFileSmall=AHFQrB66rq6L29aj04nt4Q==, figureFileBig=V8x82xshHKRtfH5ojmhtQA==, tableContent=null), ArticleFig(id=1322940659874804284, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, language=EN, label=Tab. 1, caption=
RMS of three-dimensional position errors and convergence time for static PPP using UM982 receiver under different environments
, figureFileSmall=null, figureFileBig=null, tableContent=
| 环境 | 随机模型 | E方向误差/m | N方向误差/m | U方向误差/m | 三维误差/m | 收敛时间/min |
| 开阔 | 传统 | 0.062 | 0.025 | 0.073 | 0.099 | 19.8 |
| 自适应 | 0.048 | 0.024 | 0.074 | 0.092 | 10.0 |
| 树荫 | 传统 | 0.090 | 0.036 | 0.086 | 0.130 | 35.0 |
| 自适应 | 0.052 | 0.031 | 0.078 | 0.099 | 17.9 |
| 高楼 | 传统 | 0.083 | 0.083 | 0.147 | 0.188 | 68.7 |
| 自适应 | 0.074 | 0.041 | 0.059 | 0.103 | 49.8 |
| 玻璃墙 | 传统 | 0.129 | 0.133 | 0.227 | 0.293 | 110.4 |
| 自适应 | 0.116 | 0.053 | 0.068 | 0.145 | 84.3 |
), ArticleFig(id=1322940660256485949, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940605004919261, language=CN, label=表1, caption=
不同环境下UM982接收机静态PPP三维位置误差RMS值与收敛时间
, figureFileSmall=null, figureFileBig=null, tableContent=
| 环境 | 随机模型 | E方向误差/m | N方向误差/m | U方向误差/m | 三维误差/m | 收敛时间/min |
| 开阔 | 传统 | 0.062 | 0.025 | 0.073 | 0.099 | 19.8 |
| 自适应 | 0.048 | 0.024 | 0.074 | 0.092 | 10.0 |
| 树荫 | 传统 | 0.090 | 0.036 | 0.086 | 0.130 | 35.0 |
| 自适应 | 0.052 | 0.031 | 0.078 | 0.099 | 17.9 |
| 高楼 | 传统 | 0.083 | 0.083 | 0.147 | 0.188 | 68.7 |
| 自适应 | 0.074 | 0.041 | 0.059 | 0.103 | 49.8 |
| 玻璃墙 | 传统 | 0.129 | 0.133 | 0.227 | 0.293 | 110.4 |
| 自适应 | 0.116 | 0.053 | 0.068 | 0.145 | 84.3 |
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