Article(id=1322933558532252126, tenantId=1146029695717560320, journalId=1281212831689347082, issueId=1322933542426116991, articleNumber=null, orderNo=null, doi=10.14075/j.jgg.2024.02.053, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1706716800000, receivedDateStr=2024-02-01, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793341539271, onlineDateStr=2026-10-30, pubDate=1736870400000, pubDateStr=2025-01-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793341539271, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793341539271, creator=13701087609, updateTime=1793341539271, updator=13701087609, issue=Issue{id=1322933542426116991, tenantId=1146029695717560320, journalId=1281212831689347082, year='2025', volume='45', issue='1', pageStart='1', pageEnd='110', issueExtLink='null', onlineDate='null', pubDate='1736870400000', pubDateStr='2025-01-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793341535431, creator='13701087609', updateTime=1793341535431, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=41, endPage=47, ext={EN=ArticleExt(id=1322933558725190111, articleId=1322933558532252126, tenantId=1146029695717560320, journalId=1281212831689347082, language=EN, title=A Joint Taylor Expansion-Least Squares and Centroid Localization Algorithm for Passive Radar of Moving Targets, columnId=null, journalTitle=Journal of Geodesy and Geodynamics, columnName=null, runingTitle=null, highlight=null, articleAbstract=
In response to the imprecise localization of moving radiation sources in complex scenarios and issues related to the accuracy of the observation station's position and the geometric relationship with the target using the two stage weighted least squares(TSWLS) algorithm, we propose a passive radar centroid passive localization algorithm for moving targets based on Taylor expansion and the joint application of TSWLS. This method utilizes a TSWLS algorithm to determine the target's position and velocity. The obtained target parameters serve as initial values for Taylor expansion, constructing the positioning error equation. Through iterative optimization, the algorithm refines and solves for optimal target parameters. The proposed algorithm and TSWLS independently provide estimations, with the final result obtained through centroid localization. Simulation experiments show that, regardless of target speed, in comparison with traditional methods, the presented algorithm significantly improves robustness and positioning accuracy while reducing sensitivity to geometric relationships between the observation station and target.
, authors=Yiming LIAN
1, 2, Liming JIANG
1, 2, *, authorsList=Yiming LIAN, Liming JIANG, authorCompany=null, correspAuthors=Liming JIANG, authorNote=
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All rights reserved, without authorization, 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=1322933560230945262, articleId=1322933558532252126, tenantId=1146029695717560320, journalId=1281212831689347082, language=CN, title=一种联合泰勒展开与最小二乘的运动目标被动雷达质心定位算法, 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=
针对两步加权最小二乘(two stage weighted least squares, TSWLS)算法在复杂场景下对运动辐射源定位不精确、观测站位置和目标位置的几何关系与精度相关的问题, 提出一种基于泰勒展开与两步加权最小二乘联合的运动目标被动雷达质心无源定位算法。该方法首先利用两步加权最小二乘算法求解目标的位置与速度; 再将所获得的目标参数作为泰勒展开的初始值构造定位误差方程, 并通过迭代对目标寻优求解; 最后利用联合算法和两步加权最小二乘算法分别获得估计值, 对两次估计值进行质心定位得到最终结果。仿真实验表明, 无论目标处于高速还是低速状态下, 相较于传统的两步加权最小二乘算法和加权最小二乘(weighted least squares, WLS)算法, 本文所提算法在鲁棒性和定位精度方面均有较大提高, 且降低了观测站位置和目标位置几何关系对定位精度的影响。
, authors=廉一鸣
1, 2, 江利明
1, 2, *, authorsList=廉一鸣, 江利明, authorCompany=null, correspAuthors=江利明, authorNote=
, correspAuthorsNote=
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版权所有,未经授权。, copyrightOwner=大地测量与地球动力学编辑部, extLink=null, articleAbsUrl=null, sourceXml=f1o6hboD5BUR5ePrK7v1HQ==, magXml=nApSqLW7FqpuaQjP5IcaKg==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=itV/SsQbfOclJhw1kCws5A==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=zfEtKGMdZ2Dsvc0eUz/7tg==, mapNumber=null, fund=null)}, authors=[Author(id=1322940505440530459, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322933558532252126, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=lianyiming@apm.ac.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322940505562165278, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322933558532252126, authorId=1322940505440530459, language=EN, stringName=Yiming LIAN, firstName=Yiming, middleName=null, lastName=LIAN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=1 Innovation Academy for Precision Measurement Science and Technology, CAS, 340 Xudong Street, Wuhan 430077, China
2 College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, A19 Yuquan Road, Beijing 100049, China, bio={"content":"
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1, 2, address=1 中国科学院精密测量科学与技术创新研究院, 武汉市徐东大街340号, 430077
2 中国科学院大学地球与行星科学学院, 北京市玉泉路19号甲, 100049, bio={"content":"
廉一鸣, 硕士生, 主要从事被动雷达无源定位研究, E-mail: lianyiming@apm.ac.cn
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Algorithmic framework diagram of this paper, figureFileSmall=QJQ75krSQQ391l1JkwrftA==, figureFileBig=YLAtziuqNXq8VWk0y00SPA==, tableContent=null), ArticleFig(id=1322940510494666804, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322933558532252126, language=CN, label=图1, caption=
本文算法框架图, figureFileSmall=QJQ75krSQQ391l1JkwrftA==, figureFileBig=YLAtziuqNXq8VWk0y00SPA==, tableContent=null), ArticleFig(id=1322940512327577653, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322933558532252126, language=EN, label=Fig. 2, caption=
Position and velocity bias in near-field high-speed target estimation, figureFileSmall=n14qTAM69Rda5ta7FpU/9A==, figureFileBig=4URjVKApDSpvMYduRFkEAQ==, tableContent=null), ArticleFig(id=1322940512407269430, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322933558532252126, language=CN, label=图2, caption=
近场高速目标估计的位置与速度偏差, figureFileSmall=n14qTAM69Rda5ta7FpU/9A==, figureFileBig=4URjVKApDSpvMYduRFkEAQ==, tableContent=null), ArticleFig(id=1322940512629567543, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322933558532252126, language=EN, label=Fig. 3, caption=
Root mean square error of position and velocity for near-field high-speed target estimation, figureFileSmall=R/Em1/oRh2fbTHnLtViPFA==, figureFileBig=EB7+Dh4DPZOAEwrgL+ApuQ==, tableContent=null), ArticleFig(id=1322940514269540408, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322933558532252126, language=CN, label=图3, caption=
近场高速目标估计的位置和速度均方根误差, figureFileSmall=R/Em1/oRh2fbTHnLtViPFA==, figureFileBig=EB7+Dh4DPZOAEwrgL+ApuQ==, tableContent=null), ArticleFig(id=1322940514370203706, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322933558532252126, language=EN, label=Fig. 4, caption=
Position and velocity bias in near-field low-speed target estimation, figureFileSmall=JYQ92P6xhcQiGS0hDGMbCQ==, figureFileBig=EShJuNVqIhcCHHj3BqELhw==, tableContent=null), ArticleFig(id=1322940514433118268, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322933558532252126, language=CN, label=图4, caption=
近场低速目标估计的位置和速度偏差, figureFileSmall=JYQ92P6xhcQiGS0hDGMbCQ==, figureFileBig=EShJuNVqIhcCHHj3BqELhw==, tableContent=null), ArticleFig(id=1322940514517004349, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322933558532252126, language=EN, label=Fig. 5, caption=
Root mean square error of position and velocity for near-field low-speed target estimation, figureFileSmall=pUuPeZO6h7AlFgIMveBzTA==, figureFileBig=SCCy2NQaRFXVniv5KECHvA==, tableContent=null), ArticleFig(id=1322940514735108158, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322933558532252126, language=CN, label=图5, caption=
近场低速目标估计的位置和速度均方根误差, figureFileSmall=pUuPeZO6h7AlFgIMveBzTA==, figureFileBig=SCCy2NQaRFXVniv5KECHvA==, tableContent=null), ArticleFig(id=1322940514814799935, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322933558532252126, language=EN, label=Fig. 6, caption=
Root mean square error of position and velocity for near-field high-speed target estimation, figureFileSmall=DZqqrHYlAbBq0j1RdJBeaA==, figureFileBig=fl6uzcT5DXtyuv03XyG3pw==, tableContent=null), ArticleFig(id=1322940515100012608, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322933558532252126, language=CN, label=图6, caption=
近场高速目标估计的位置和速度均方根误差, figureFileSmall=DZqqrHYlAbBq0j1RdJBeaA==, figureFileBig=fl6uzcT5DXtyuv03XyG3pw==, tableContent=null), ArticleFig(id=1322940515192287297, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322933558532252126, language=EN, label=Tab. 1, caption=
Sensor position and velocity distribution
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| 名称 | x/m | y/m | z/m | ẋ/m·s-1 | ẏ/m·s-1 | ż/m·s-1 |
| 观测站1 | 300 | 100 | 150 | 30 | -20 | 20 |
| 观测站2 | 400 | 150 | 100 | -30 | 10 | 20 |
| 观测站3 | 300 | 500 | 200 | 10 | -20 | 10 |
| 观测站4 | 350 | 200 | 150 | 10 | 20 | 30 |
| 观测站5 | -100 | -100 | 50 | -20 | 10 | 10 |
), ArticleFig(id=1322940515519443010, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322933558532252126, language=CN, label=表1, caption=
传感器位置、速度分布
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称 | x/m | y/m | z/m | ẋ/m·s-1 | ẏ/m·s-1 | ż/m·s-1 |
| 观测站1 | 300 | 100 | 150 | 30 | -20 | 20 |
| 观测站2 | 400 | 150 | 100 | -30 | 10 | 20 |
| 观测站3 | 300 | 500 | 200 | 10 | -20 | 10 |
| 观测站4 | 350 | 200 | 150 | 10 | 20 | 30 |
| 观测站5 | -100 | -100 | 50 | -20 | 10 | 10 |
), ArticleFig(id=1322940515716575299, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322933558532252126, language=EN, label=Tab. 2, caption=
Sensor position and velocity distribution
, figureFileSmall=null, figureFileBig=null, tableContent=
名称 | x/m | y/m | z/m | ẋ/m·s-1 | ẏ/m·s-1 | ż/m·s-1 |
| 观测站1 | 300 | 100 | 150 | 30 | -20 | 20 |
| 观测站2 | 400 | 150 | 100 | -30 | 10 | 20 |
| 观测站3 | 300 | 500 | 200 | 10 | -20 | 10 |
| 观测站4 | 350 | 200 | 100 | 10 | 20 | 30 |
| 观测站5 | -100 | -100 | -100 | -20 | 10 | 10 |
), ArticleFig(id=1322940515951456324, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322933558532252126, language=CN, label=表2, caption=
传感器位置、速度分布
, figureFileSmall=null, figureFileBig=null, tableContent=
名称 | x/m | y/m | z/m | ẋ/m·s-1 | ẏ/m·s-1 | ż/m·s-1 |
| 观测站1 | 300 | 100 | 150 | 30 | -20 | 20 |
| 观测站2 | 400 | 150 | 100 | -30 | 10 | 20 |
| 观测站3 | 300 | 500 | 200 | 10 | -20 | 10 |
| 观测站4 | 350 | 200 | 100 | 10 | 20 | 30 |
| 观测站5 | -100 | -100 | -100 | -20 | 10 | 10 |
), ArticleFig(id=1322940516022759493, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322933558532252126, language=EN, label=Tab. 3, caption=
Positioning accuracy comparison of three algorithms
, figureFileSmall=null, figureFileBig=null, tableContent=
| 算法 | 噪声方差 |
| -5 dB | 0 dB | 2 dB |
| TSWLS | 1.115 | 1.292 | 2.546 |
| TSWLS-Taylor | 2.265 | 1.507 | 1.628 |
| 质心定位 | 0.908 | 1.068 | 1.557 |
), ArticleFig(id=1322940519550169160, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322933558532252126, language=CN, label=表3, caption=
3种算法定位精度对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 算法 | 噪声方差 |
| -5 dB | 0 dB | 2 dB |
| TSWLS | 1.115 | 1.292 | 2.546 |
| TSWLS-Taylor | 2.265 | 1.507 | 1.628 |
| 质心定位 | 0.908 | 1.068 | 1.557 |
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