Article(id=1322566992696037803, tenantId=1146029695717560320, journalId=1281212831689347082, issueId=1322566927927591451, articleNumber=null, orderNo=null, doi=10.14075/j.jgg.2025.03.107, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1743350400000, receivedDateStr=2025-03-31, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793254143164, onlineDateStr=2026-10-29, pubDate=1773504000000, pubDateStr=2026-03-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793254143164, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793254143164, creator=13701087609, updateTime=1793254143164, updator=13701087609, issue=Issue{id=1322566927927591451, tenantId=1146029695717560320, journalId=1281212831689347082, year='2026', volume='46', issue='3', pageStart='262', pageEnd='391', issueExtLink='null', onlineDate='null', pubDate='1773504000000', pubDateStr='2026-03-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793254127723, creator='13701087609', updateTime=1793254127723, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=281, endPage=289, ext={EN=ArticleExt(id=1322566994046603692, articleId=1322566992696037803, tenantId=1146029695717560320, journalId=1281212831689347082, language=EN, title=Noise Characteristics and Performance in Gravity Field Detection of Different Satellite Gravity Gradiometers, columnId=null, journalTitle=Journal of Geodesy and Geodynamics, columnName=null, runingTitle=null, highlight=null, articleAbstract=
We numerically simulate the error characteristics and global static gravity field detection performance of cold atom interference (CAI) gradiometer, electrostatic gradiometers (EA, MicroSTAR, GOCE), and their combined satellite gravity gradiometers (CAI-EA, CAI-MicroSTAR) in the nadir-pointing mode, and deeply analyze the gravity gradient observation noise contributed by accelerometers and angular velocity of satellite rotation at the design level. Based on the simulated gradient observations of near-polar satellite orbits at 200 km and 250 km altitude for 90 d, we analyze the ability of different types of gradiometers and different noise levels in static gravity field inversion. The results show that CAI can significantly reduce low-frequency noise levels. The performance of combined gradiometers in gravity field inversion is better than EA, MicroSTAR and GOCE, considering the nominal noise of electrostatic gradiometers and the different noise levels of CAI, and CAI whose noise approximates white noise is better than electrostatic gradiometers in low degree. When the orbit altitude is 200 km and the accuracy of CAI accelerometers is 3.5×10-12 m/(s2·$\sqrt{\mathrm{Hz}} $), the cumulative geoid errors of CAI-EA, CAI-MicroSTAR and GOCE gradiometers are 2.9 cm, 3.2 cm and 3.7 cm at the degree of 300, and the highest degrees which the cumulative geoid error is 1 cm are 250, 240 and 225, respectively.
, authors=Chenyu LU
1, 2, Jiancheng LI
2, 3, *, Xinyu XU
2, 4, Yongqi ZHAO
2, Zehua GUO
2, Youjian LIU
1, 2, authorsList=Chenyu LU, Jiancheng LI, Xinyu XU, Yongqi ZHAO, Zehua GUO, Youjian LIU, authorCompany=null, correspAuthors=Jiancheng LI, authorNote=null, correspAuthorsNote=null, copyrightStatement=
All rights reserved. Unauthorized reproduction is prohibited., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322566995946623425, articleId=1322566992696037803, tenantId=1146029695717560320, journalId=1281212831689347082, language=CN, title=多类卫星重力梯度仪误差特性及其重力场探测性能, columnId=1281909276545356011, journalTitle=大地测量与地球动力学, columnName=大地测量学, runingTitle=null, highlight=null, articleAbstract=
本文对冷原子干涉(CAI)型、静电悬浮型(EA、MicroSTAR、GOCE)及组合型(CAI-EA、CAI-MicroSTAR)卫星重力梯度仪在地球指向模式下的误差特性及其全球静态重力场探测性能进行数值模拟, 深入分析这些重力梯度仪设计层面的自身噪声和卫星旋转角速度对重力梯度观测值误差的影响。基于90 d周期200 km和250 km高度的近极卫星轨道和含噪声的模拟梯度观测值, 分析不同类型梯度仪和不同噪声水平反演静态重力场的能力。结果表明, CAI能显著降低低频段噪声水平。在考虑静电悬浮梯度仪标称噪声和CAI不同噪声水平的情况下, 组合型梯度仪反演重力场的总体性能最佳, EA、MicroSTAR、GOCE反演精度依次降低, 而具有白噪声特点的CAI梯度仪反演低阶重力场的性能优于静电悬浮梯度仪。当轨道高度为200 km, CAI加速度计精度为3.5×10-12 m/(s2·$\sqrt{\mathrm{Hz}} $)时, CAI-EA、CAI-MicroSTAR梯度仪与GOCE梯度仪在300阶的累积大地水准面误差分别为2.9 cm、3.2 cm与3.7 cm, 累积大地水准面误差1 cm对应的最高阶分别为250阶、240阶与225阶。
, authors=卢辰宇
1, 2, 李建成
2, 3, *, 徐新禹
2, 4, 赵永奇
2, 郭泽华
2, 刘有建
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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=EMFvDMc/iRvZhAWCPTyh1Q==, magXml=orNnjJAVuHf9q9FveVYpwg==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=QMMolVLJENelZ2pPIxTxXA==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=VCwok6ZRkPjbThBu15VxAw==, mapNumber=null, fund=null)}, authors=[Author(id=1322566996617712079, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566992696037803, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=chenyulu@whu.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322566998538703314, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566992696037803, authorId=1322566996617712079, language=EN, stringName=Chenyu LU, firstName=Chenyu, middleName=null, lastName=LU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=1 School of Earth and Space Science and Technology, Wuhan 430072, China
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1, 2, address=1 武汉大学地球与空间科学技术学院, 武汉, 430072
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卢辰宇, 硕士生, 主要研究方向为地球重力场及其应用, E-mail: chenyulu@whu.edu.cn
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1, 2, address=1 School of Earth and Space Science and Technology, Wuhan 430072, China
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Amplitude spectral density of angular acceleration error and integrated angular velocity error of sensitive axis and non-sensitive axis of GOCE satellite accelerometer, figureFileSmall=2w9hrAsufvWRb5juZFfJ7g==, figureFileBig=zzKBbE0HKr6O+ZTxQRzYBw==, tableContent=null), ArticleFig(id=1322567004154876416, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566992696037803, language=CN, label=图3, caption=
GOCE卫星加速度计敏感轴与非敏感轴的角加速度误差与积分得到的角速度误差振幅谱密度, figureFileSmall=2w9hrAsufvWRb5juZFfJ7g==, figureFileBig=zzKBbE0HKr6O+ZTxQRzYBw==, tableContent=null), ArticleFig(id=1322567004226179585, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566992696037803, language=EN, label=Fig. 4, caption=
Amplitude spectral density of angular velocity observation error, figureFileSmall=Auj6LuuNHgLZbJyxwH2QEA==, figureFileBig=LEgP3qrkMs6vO+RS/1FELQ==, tableContent=null), ArticleFig(id=1322567004310065666, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566992696037803, language=CN, label=图4, caption=
角速度观测误差振幅谱密度 STR:星敏感器误差;EA、MicroSTAR、CAI、GOCE:4种加速度计对应的角速度误差
, figureFileSmall=Auj6LuuNHgLZbJyxwH2QEA==, figureFileBig=LEgP3qrkMs6vO+RS/1FELQ==, tableContent=null), ArticleFig(id=1322567004393951747, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566992696037803, language=EN, label=Fig. 5, caption=
Gradient observation noise caused by angular velocity and its observation error of different gradiometers, figureFileSmall=p3XmaCyQ5O04Gr77dkrq+Q==, figureFileBig=pGKV9ympkkk9VA7PSvVi3A==, tableContent=null), ArticleFig(id=1322567004461060612, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566992696037803, language=CN, label=图5, caption=
不同梯度仪由角速度及其观测误差引起的梯度观测值噪声, figureFileSmall=p3XmaCyQ5O04Gr77dkrq+Q==, figureFileBig=pGKV9ympkkk9VA7PSvVi3A==, tableContent=null), ArticleFig(id=1322567004544946693, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566992696037803, language=EN, label=Fig. 6, caption=
Amplitude spectral density of gradient observations noise of different gradiometers, figureFileSmall=xrSPgSCa9sSRYbSlFiNjeA==, figureFileBig=Wu/P1VgtGJxJg0gnLDwv5w==, tableContent=null), ArticleFig(id=1322567004603666950, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566992696037803, language=CN, label=图6, caption=
不同类型梯度仪梯度观测值总噪声振幅谱密度, figureFileSmall=xrSPgSCa9sSRYbSlFiNjeA==, figureFileBig=Wu/P1VgtGJxJg0gnLDwv5w==, tableContent=null), ArticleFig(id=1322567004674970119, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566992696037803, language=EN, label=Fig. 7, caption=
Flow chart of gravity field inversion, figureFileSmall=0iBbXPpTNenp61c7KrNaXw==, figureFileBig=MFcjUgGbaYwfWY4z48Gngw==, tableContent=null), ArticleFig(id=1322567004737884681, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566992696037803, language=CN, label=图7, caption=
重力场反演流程, figureFileSmall=0iBbXPpTNenp61c7KrNaXw==, figureFileBig=MFcjUgGbaYwfWY4z48Gngw==, tableContent=null), ArticleFig(id=1322567004830159370, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566992696037803, language=EN, label=Fig. 8, caption=
Degree-error RMS of Vyy and combined solutions of different gradiometers at different heights, figureFileSmall=+eP3wuqgRo4vxDQWnWym3w==, figureFileBig=/6/1JxS14HH1zSGgFkcNRQ==, tableContent=null), ArticleFig(id=1322567004905656843, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566992696037803, language=CN, label=图8, caption=
不同高度不同类型梯度仪Vyy分量解与联合解的阶误差RMS, figureFileSmall=+eP3wuqgRo4vxDQWnWym3w==, figureFileBig=/6/1JxS14HH1zSGgFkcNRQ==, tableContent=null), ArticleFig(id=1322567004989542924, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566992696037803, language=EN, label=Fig. 9, caption=
Errors spectra of the combined solutions of different gradiometers at altitude 200 km, figureFileSmall=2xP1HHrH3RZo5/mQict6UA==, figureFileBig=AWZWyocATfZ2h5CCdhG1Zg==, tableContent=null), ArticleFig(id=1322567005069234701, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566992696037803, language=CN, label=图9, caption=
200 km不同类型梯度仪联合解误差谱, figureFileSmall=2xP1HHrH3RZo5/mQict6UA==, figureFileBig=AWZWyocATfZ2h5CCdhG1Zg==, tableContent=null), ArticleFig(id=1322567005148926478, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566992696037803, language=EN, label=Fig. 10, caption=
Cumulative geoid degree-error RMS for Vyy and combined solutions of different gradiometers at different heights, figureFileSmall=LE40NDFVslVA1LVgnWtqIQ==, figureFileBig=XXyygGQa5cwFsuQZGlBW8g==, tableContent=null), ArticleFig(id=1322567005228618255, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566992696037803, language=CN, label=图10, caption=
不同高度不同类型梯度仪Vyy分量解与联合解累积大地水准面阶误差RMS, figureFileSmall=LE40NDFVslVA1LVgnWtqIQ==, figureFileBig=XXyygGQa5cwFsuQZGlBW8g==, tableContent=null), ArticleFig(id=1322567005299921424, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566992696037803, language=EN, label=Tab. 1, caption=
Passband frequencies of colored noise filtering and relative error variance of different gradiometers in gravity field inversion
, figureFileSmall=null, figureFileBig=null, tableContent=
| 重力梯度仪 | Vxx、Vzz | | Vyy |
| 通带频率/Hz | 相对误差方差 | 通带频率/Hz | 相对误差方差 |
| CAI-1 | - | 400 | | - | 9 |
| CAI-2 | - | 400 | - | 1 |
| GOCE | 0.005~0.1 | 1 | 0.005~0.1 | 1 |
| EA | 0.001~0.1 | 1 | 0.001~0.1 | 1 |
| CAI-EA | 0.001~0.1 | 1 | 0.001~0.1/- | 1 |
| MicroSTAR | 0.005~0.1 | 1 | 0.001~0.1/- | 1 |
| CAI-MicroSTAR | 0.005~0.1 | 1 | 0.001~0.1/- | 1 |
), ArticleFig(id=1322567005392196113, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566992696037803, language=CN, label=表1, caption=
不同类型梯度仪各分量反演重力场时有色噪声滤波的通带频率与相对误差方差
, figureFileSmall=null, figureFileBig=null, tableContent=
| 重力梯度仪 | Vxx、Vzz | | Vyy |
| 通带频率/Hz | 相对误差方差 | 通带频率/Hz | 相对误差方差 |
| CAI-1 | - | 400 | | - | 9 |
| CAI-2 | - | 400 | - | 1 |
| GOCE | 0.005~0.1 | 1 | 0.005~0.1 | 1 |
| EA | 0.001~0.1 | 1 | 0.001~0.1 | 1 |
| CAI-EA | 0.001~0.1 | 1 | 0.001~0.1/- | 1 |
| MicroSTAR | 0.005~0.1 | 1 | 0.001~0.1/- | 1 |
| CAI-MicroSTAR | 0.005~0.1 | 1 | 0.001~0.1/- | 1 |
), ArticleFig(id=1322567005471887890, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566992696037803, language=EN, label=Tab. 2, caption=
Simulated satellite orbit parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数名称 | 数值 |
| 任务周期 | 90 d |
| 采样率 | 1 s |
| 轨道高度 | 200 km、250 km |
| 轨道倾角 | 89.5° |
| 轨道偏心率 | 0.001 |
| 摄动力模型 | SGG-UGM-2 200阶/次 |
), ArticleFig(id=1322567005559968275, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322566992696037803, language=CN, label=表2, caption=
模拟卫星轨道参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数名称 | 数值 |
| 任务周期 | 90 d |
| 采样率 | 1 s |
| 轨道高度 | 200 km、250 km |
| 轨道倾角 | 89.5° |
| 轨道偏心率 | 0.001 |
| 摄动力模型 | SGG-UGM-2 200阶/次 |
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