Article(id=1224796771864428842, tenantId=1146029695717560320, journalId=1149651085930835976, issueId=1224796769733726966, articleNumber=null, orderNo=null, doi=10.12284/hyxb2022168, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1651593600000, receivedDateStr=2022-05-04, revisedDate=1654444800000, revisedDateStr=2022-06-06, acceptedDate=null, acceptedDateStr=null, onlineDate=1769943906036, onlineDateStr=2026-02-01, pubDate=1664553600000, pubDateStr=2022-10-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769943906036, onlineIssueDateStr=2026-02-01, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769943906036, creator=13701087609, updateTime=1769943906036, updator=13701087609, issue=Issue{id=1224796769733726966, tenantId=1146029695717560320, journalId=1149651085930835976, year='2022', volume='44', issue='10', pageStart='1', pageEnd='192', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769943905528, creator=13701087609, updateTime=1769996085810, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1225015629757956162, tenantId=1146029695717560320, journalId=1149651085930835976, issueId=1224796769733726966, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1225015629757956163, tenantId=1146029695717560320, journalId=1149651085930835976, issueId=1224796769733726966, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=173, endPage=181, ext={EN=ArticleExt(id=1224796772971725100, articleId=1224796771864428842, tenantId=1146029695717560320, journalId=1149651085930835976, language=EN, title=Quality analysis of sea level height data of HY-2C satellite, columnId=1194652705852465724, journalTitle=Haiyang Xuebao, columnName=Article, runingTitle=null, highlight=null, articleAbstract=
As an important part of monitoring oceanic phenomenon, it is essential to calibrate altimeter sea level height data. In 2020, the Haiyang-2C (HY-2C) satellite was sent to orbit as a follow-up mission of the HY-2B satellite. However, the quality of HY-2C sea level height is not fully known yet. In this paper, the quality and accuracy of HY-2C sensor geophysical data records (SGDR) of the latest version were assessed through the comparison with the HY-2B geophysical data records (GDR) and Jason-3 GDR measured at the same time. According to the results: self-crossover points analysis is carried out by star cross calibration of HY-2C satellite. The quality analysis results of sea level anomaly data of HY-2C SGDR are different. Through the comparison results, the optimal cubic spline interpolation method has the best quality analysis performance, with mean value is 0.03 cm and the standard deviation is 6.17 cm. The mean and standard deviation of sea level anomaly at the dual-crossing calibration of HY-2C and HY-2B satellites are −0.47 cm and 5.32 cm. The mean and standard deviation of sea level anomaly at the intersection of HY-2C and Jason-3 satellites are −0.3 cm and 5.32 cm. These results show that HY-2C has the same precision as HY-2B satellite and Jason-3 satellite. Data quality of HY-2C satellite is enough to meet the requirements of marine scientific research and application.
, correspAuthors=Fangjie Yu, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright © 2022 Pratacultural Science. All rights reserved., 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, authorCompany=null, fund=null, authors=null, authorsList=Ju Meng, Fangjie Yu, Zhiyuan Zhuang, Juanjuan Qi, Ge Chen), CN=ArticleExt(id=1224796774863356248, articleId=1224796771864428842, tenantId=1146029695717560320, journalId=1149651085930835976, language=CN, title=HY-2C卫星海面高度数据的质量分析, columnId=1149698756456657529, journalTitle=海洋学报, columnName=论文, runingTitle=null, highlight=null, articleAbstract=
卫星海面高度数据对于监测全球海面高度具有重要的意义,所以卫星高度数据的定标和检验变得至关重要。海洋二号C(HY-2C)卫星是继海洋二号B卫星后的第二颗业务卫星,于2020年成功发射升空。然而,目前对HY-2C卫星高度计的数据质量了解甚少,所以对HY-2C卫星的海面高度数据进行质量分析具有重要的意义。本文以同期观测的HY-2B卫星和Jason-3卫星的地球物理数据(GDR)为参考,对HY-2C卫星遥感地球物理数据(SGDR)中的海面高度数据进行质量分析。结果显示,在星星交叉定标中使用3种常见的交叉定标插值方法对HY-2C卫星的海面高度异常数据进行自交叉点分析时,HY-2C卫星海面高度异常数据质量分析的结果不同。其中使用三次样条插值方法进行质量分析的结果最优,得到海平面高度异常差的平均值为0.03 cm,标准差为6.17 cm。此外,对HY-2C卫星和HY-2B卫星互交叉点海面高度异常差异的平均值为−0.47 cm,标准差为5.32 cm;HY-2C卫星SGDR与Jason-3卫星GDR的海面高度异常数据进行互交叉点分析,得到海平面高度异常差的平均值为−0.3 cm,标准差为5.32 cm,这些数据表明HY-2C卫星的测高精度与HY-2B卫星、Jason-3卫星一致。因此HY-2C高度计产品数据质量稳定,能满足海洋应用和科学研究的需要。
, correspAuthors=于方杰, authorNote=null, correspAuthorsNote=
, copyrightStatement=版权所有©《海洋学报》编辑部 2022
孟菊,于方杰,庄志远,等. HY-2C卫星海面高度数据的质量分析[J]. 海洋学报,2022,44(10):173–181Meng Ju,Yu Fangjie,Zhuang Zhiyuan, et al. Quality analysis of sea level height data of HY-2C satellite[J]. Haiyang Xuebao,2022, 44(10):173–181
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孟菊(1996-),女,山西省晋城市人,主要从事海洋卫星遥感研究。E-mail:2530511502@qq.com
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孟菊(1996-),女,山西省晋城市人,主要从事海洋卫星遥感研究。E-mail:2530511502@qq.com
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in-situ data[J]. Remote Sensing Technology and Application, 2014, 29(1): 26−32., articleTitle=null, refAbstract=null), Reference(id=1225368263572501205, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=18, rfOrder=23, authorNames=null, journalName=null, refType=null, unstructuredReference=杨磊, 周兴华, 彭海龙, 等. 基于Jason-2的Saral/AltiKa高度计全球统计评估与交叉定标[J]. 海洋科学进展, 2014, 32(4): 482−490., articleTitle=null, refAbstract=null), Reference(id=1225368263689941719, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=18, rfOrder=24, authorNames=null, journalName=null, refType=null, unstructuredReference=Yang Lei, Zhou Xinghua, Peng Hailong, et al. Global assessment and cross-calibration of Saral/AltiKa based on Jason-2 altimeter[J]. Advances in Marine Science, 2014, 32(4): 482−490., articleTitle=null, refAbstract=null)], funds=[Fund(id=1225368258426090118, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, awardId=GL-2)敏捷编队高度计小卫星工程项目(2021WHZZB1602, language=CN, fundingSource=“观澜二号”(GL-2)敏捷编队高度计小卫星工程项目(2021WHZZB1602), fundOrder=null, country=null), Fund(id=1225368258522559112, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, awardId=2021WHZZB1705, language=CN, fundingSource=“观澜号”海洋科学卫星校飞试验项目(2021WHZZB1705), fundOrder=null, country=null), Fund(id=1225368258627416716, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, awardId=2022QNLM050301-4, language=CN, fundingSource=基于人工智能的孪生海洋关键技术与应用示范项目(2022QNLM050301-4), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1225368250448523663, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, xref=null, ext=[AuthorCompanyExt(id=1225368250456912272, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, companyId=1225368250448523663, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1. Department of Marine Technology, Faculty of Information Science and Engineering, Ocean University of China, Qingdao 266100, China), AuthorCompanyExt(id=1225368250465300880, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, companyId=1225368250448523663, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1.中国海洋大学 信息科学与工程学部 海洋技术学院,山东 青岛 266100)]), AuthorCompany(id=1225368250565964181, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, xref=null, ext=[AuthorCompanyExt(id=1225368250570158486, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, companyId=1225368250565964181, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2. Laboratory for Regional Oceanography and Numerical Modeling, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266237, China), AuthorCompanyExt(id=1225368250578547095, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, companyId=1225368250565964181, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2.青岛海洋科学与技术试点国家实验室 区域海洋学与数值模拟实验室,山东 青岛 266237)])], figs=[ArticleFig(id=1225368254697353760, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=EN, label=Fig. 1, caption=
Data missing pass number of HY-2C satellite (a), HY-2B satellite (b) and Jason-3 satellite (c), figureFileSmall=pjV/OrTPXBU0GaBpglACYw==, figureFileBig=RZNGnLpEzAj/Urlcvl2rDA==, tableContent=null), ArticleFig(id=1225368254793822758, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=CN, label=图1, caption=
HY-2C卫星(a)、HY-2B卫星(b)和Jaosn-3卫星(c)不同周期数据缺失轨迹个数, figureFileSmall=pjV/OrTPXBU0GaBpglACYw==, figureFileBig=RZNGnLpEzAj/Urlcvl2rDA==, tableContent=null), ArticleFig(id=1225368254886097451, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=EN, label=Fig. 2, caption=
The editing ratio of HY-2C satellite, HY-2B satellite and Jason-3 satellite measurements without sea depth and latitude constraints (a) and with depth and latitude constraints (b), figureFileSmall=ug9cfCLJwf+om8P6mGGOhw==, figureFileBig=BpJqJ0hLJja0ltxsgkszOA==, tableContent=null), ArticleFig(id=1225368254982566447, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=CN, label=图2, caption=
HY-2C卫星、HY-2B卫星和Jason-3卫星在无海深和纬度约束的数据编辑比例(a)和有海深和纬度约束的数据编辑比例(b), figureFileSmall=ug9cfCLJwf+om8P6mGGOhw==, figureFileBig=BpJqJ0hLJja0ltxsgkszOA==, tableContent=null), ArticleFig(id=1225368255070646837, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=EN, label=Fig. 3, caption=
Schematic diagram of the distance between the sub-satellite points of the two orbits of the HY-2C satellite within 1° The black dots are altimeter ground tracks, and the red dot is the precise crossover point of along-track
, figureFileSmall=rb3ukcW43yJLXXyVXT3r3g==, figureFileBig=sTI8zTJF2svR1vlxlVOVRw==, tableContent=null), ArticleFig(id=1225368255162921527, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=CN, label=图3, caption=
HY-2C卫星两条轨道星下点之间距离在1°范围内示意图 图中黑色的点是卫星的星下点,红色的点是求出来的精确交叉点的位置
, figureFileSmall=rb3ukcW43yJLXXyVXT3r3g==, figureFileBig=sTI8zTJF2svR1vlxlVOVRw==, tableContent=null), ArticleFig(id=1225368255225836090, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=EN, label=Fig. 4, caption=
Schematic of the near observation point interpolation, figureFileSmall=5j4TMxflII14xGEPd0pVFg==, figureFileBig=SzcgHJSoJo/O8jEJB9r3xQ==, tableContent=null), ArticleFig(id=1225368255297139266, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=CN, label=图4, caption=
临近点插值示意图, figureFileSmall=5j4TMxflII14xGEPd0pVFg==, figureFileBig=SzcgHJSoJo/O8jEJB9r3xQ==, tableContent=null), ArticleFig(id=1225368255372636743, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=EN, label=Fig. 5, caption=
Schematic of the nearest observation point interpolation, figureFileSmall=8SthZq2kX4CJgXEUORzgRQ==, figureFileBig=HqXvEvHUtn0iANtEaOl9gw==, tableContent=null), ArticleFig(id=1225368255427162696, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=CN, label=图5, caption=
最近点插值示意图, figureFileSmall=8SthZq2kX4CJgXEUORzgRQ==, figureFileBig=HqXvEvHUtn0iANtEaOl9gw==, tableContent=null), ArticleFig(id=1225368255506854475, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=EN, label=Fig. 6, caption=
Schematic of the cubic spline interpolation, figureFileSmall=6yjGgM2/l1YDqNqmd0c3VA==, figureFileBig=3gP8ZTwKvYlyddrWdXKBXQ==, tableContent=null), ArticleFig(id=1225368255599129170, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=CN, label=图6, caption=
三次样条插值示意图, figureFileSmall=6yjGgM2/l1YDqNqmd0c3VA==, figureFileBig=3gP8ZTwKvYlyddrWdXKBXQ==, tableContent=null), ArticleFig(id=1225368255708181076, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=EN, label=Fig. 7, caption=
Mean error (blue dotted lines) and standard deviation (red dotted lines) of HY-2C satellite (a), HY-2B satellite (b) and Jason-3 satellite (c) self-crossover sea level anomaly data, figureFileSmall=/RzMwbzeXQkhLRPeCcLLAA==, figureFileBig=aLKAj37X+PZysy0zIskdaA==, tableContent=null), ArticleFig(id=1225368255842398807, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=CN, label=图7, caption=
HY-2C卫星(a)、HY-2B卫星(b)和Jason-3卫星(c)自交叉点海平面高度异常差的平均值(蓝色)和标准差(红色), figureFileSmall=/RzMwbzeXQkhLRPeCcLLAA==, figureFileBig=aLKAj37X+PZysy0zIskdaA==, tableContent=null), ArticleFig(id=1225368255930479196, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=EN, label=Fig. 8, caption=
Mean error (blue dotted lines) and standard deviation (red dotted lines) of HY-2C satellite and HY-2B satellite (a), HY-2C satellite and Jason-3 satellite (b) cross-crossover sea level anomaly differences, figureFileSmall=s0RSzc/ESgB+QM8OF+ZT1g==, figureFileBig=64yK7xbFIi0S5hqlu8n8yA==, tableContent=null), ArticleFig(id=1225368256001782368, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=CN, label=图8, caption=
HY-2C卫星和HY-2B卫星(a)、HY-2C卫星和Jason-3卫星(b)互交叉点海平面高度异常差异的平均值(蓝色)和标准差(红色), figureFileSmall=s0RSzc/ESgB+QM8OF+ZT1g==, figureFileBig=64yK7xbFIi0S5hqlu8n8yA==, tableContent=null), ArticleFig(id=1225368256077279842, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=EN, label=Table 1, caption=
Main editing thresholds values of HY-2C satellite, HY-2B satellite and Jason-3 satellite altimeters and microwave radiometers
, figureFileSmall=null, figureFileBig=null, tableContent=
| 观测量 | 最小值 | 最大值 |
| 20 Hz测距数目 | 10 | − |
| 20 Hz测距标准差/mm | 0 | 200 |
| 轨道高度−测距值/mm | −130 000 | 100 000 |
| 模型干对流层校正/mm | −2 500 | −1 900 |
| 辐射计湿对流层校正/mm | −500 | −1 |
| Ku波段电离层校正/mm | −400 | 40 |
| Ku波段海况偏差/mm | −500 | 0 |
| 潮汐校正/mm | −5 000 | 5 000 |
| 固体潮校正/mm | −1 000 | 1 000 |
| 极潮校正/mm | −150 | 150 |
| Ku波段有效波高/mm | 0 | 11 000 |
| Ku波段向后散射系数/dB | 7 | 30 |
| 风速/(m·s−1) | −0 | 30 |
| Ku波段偏指向角平方/(°)2 | −0.2 | 0.64 |
| 后向散射系数标准差/dB | − | 1 |
| 后向散射系数观测数 | 10 | − |
), ArticleFig(id=1225368256161165927, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=CN, label=表1, caption=
HY-2C卫星、HY-2B卫星和Jason-3卫星高度计和辐射计数据编辑的参数阈值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 观测量 | 最小值 | 最大值 |
| 20 Hz测距数目 | 10 | − |
| 20 Hz测距标准差/mm | 0 | 200 |
| 轨道高度−测距值/mm | −130 000 | 100 000 |
| 模型干对流层校正/mm | −2 500 | −1 900 |
| 辐射计湿对流层校正/mm | −500 | −1 |
| Ku波段电离层校正/mm | −400 | 40 |
| Ku波段海况偏差/mm | −500 | 0 |
| 潮汐校正/mm | −5 000 | 5 000 |
| 固体潮校正/mm | −1 000 | 1 000 |
| 极潮校正/mm | −150 | 150 |
| Ku波段有效波高/mm | 0 | 11 000 |
| Ku波段向后散射系数/dB | 7 | 30 |
| 风速/(m·s−1) | −0 | 30 |
| Ku波段偏指向角平方/(°)2 | −0.2 | 0.64 |
| 后向散射系数标准差/dB | − | 1 |
| 后向散射系数观测数 | 10 | − |
), ArticleFig(id=1225368256249246315, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=EN, label=Table 2, caption=
Comparison of accuracy in HY-2C satellite self-crossover sea level anomaly data
, figureFileSmall=null, figureFileBig=null, tableContent=
| 临近点插值 | 最近点插值 | 三次样条插值 |
| 交叉点数量(SLA<20 cm) | 14 746 | 14 699 | 14 312 |
| 平均值/cm | 0.03 | 0.03 | 0.03 |
| 标准差/cm | 6.63 | 6.89 | 6.17 |
), ArticleFig(id=1225368256387658348, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=CN, label=表2, caption=
HY-2C卫星自交叉点海面高度异常数据精度的比较
, figureFileSmall=null, figureFileBig=null, tableContent=
| 临近点插值 | 最近点插值 | 三次样条插值 |
| 交叉点数量(SLA<20 cm) | 14 746 | 14 699 | 14 312 |
| 平均值/cm | 0.03 | 0.03 | 0.03 |
| 标准差/cm | 6.63 | 6.89 | 6.17 |
), ArticleFig(id=1225368256479933040, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=EN, label=Table 3, caption=
Comparison of accuracy in HY-2B satellite self-crossover sea level anomaly data
, figureFileSmall=null, figureFileBig=null, tableContent=
| 临近点插值 | 最近点插值 | 三次样条插值 |
| 交叉点数量(SLA<20 cm) | 5 005 | 5 045 | 4 936 |
| 平均值/cm | 0.01 | 0 | 0.01 |
| 标准差/cm | 4.60 | 5.1 | 4.21 |
), ArticleFig(id=1225368256559624820, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=CN, label=表3, caption=
HY-2B卫星自交叉点海面高度异常数据精度的比较
, figureFileSmall=null, figureFileBig=null, tableContent=
| 临近点插值 | 最近点插值 | 三次样条插值 |
| 交叉点数量(SLA<20 cm) | 5 005 | 5 045 | 4 936 |
| 平均值/cm | 0.01 | 0 | 0.01 |
| 标准差/cm | 4.60 | 5.1 | 4.21 |
), ArticleFig(id=1225368256672871033, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=EN, label=Table 4, caption=
Comparison of accuracy in Jason-3 satellite self-crossover sea level anomaly data
, figureFileSmall=null, figureFileBig=null, tableContent=
| 临近点插值 | 最近点插值 | 三次样条插值 |
| 交叉点数量(SLA<20 cm) | 22 639 | 22 610 | 22 233 |
| 平均值/cm | −0.01 | −0.01 | 0 |
| 标准差/cm | 6.63 | 5.45
| 4.70 |
), ArticleFig(id=1225368256752562811, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=CN, label=表4, caption=
Jason-3卫星自交叉点海面高度异常数据精度的比较
, figureFileSmall=null, figureFileBig=null, tableContent=
| 临近点插值 | 最近点插值 | 三次样条插值 |
| 交叉点数量(SLA<20 cm) | 22 639 | 22 610 | 22 233 |
| 平均值/cm | −0.01 | −0.01 | 0 |
| 标准差/cm | 6.63 | 5.45
| 4.70 |
), ArticleFig(id=1225368256828060285, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=EN, label=Table 5, caption=
Comparison of accuracy in HY-2C satellite and HY-2B satellite, HY-2C satellite and Jason-3 satellite cross-crossover sea level anomaly data
, figureFileSmall=null, figureFileBig=null, tableContent=
| HY-2C和HY-2B | HY-2C和Jason-3 |
| 交叉点数(SLA<20 cm) | 15 470 | 15 799 |
| 平均值/cm | −0.47 | −0.3 |
| 标准差/cm | 5.32 | 5.32 |
), ArticleFig(id=1225368256920334976, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1224796771864428842, language=CN, label=表5, caption=
HY-2C卫星和HY-2B卫星、Jason-3卫星互交叉点海面高度异常数据精度的比较
, figureFileSmall=null, figureFileBig=null, tableContent=
| HY-2C和HY-2B | HY-2C和Jason-3 |
| 交叉点数(SLA<20 cm) | 15 470 | 15 799 |
| 平均值/cm | −0.47 | −0.3 |
| 标准差/cm | 5.32 | 5.32 |
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