Article(id=1324427096382124698, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1324426994615727048, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1007-7294.2026.09.008, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1778515200000, receivedDateStr=2026-05-12, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793697626442, onlineDateStr=2026-11-03, pubDate=1789401600000, pubDateStr=2026-09-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793697626442, onlineIssueDateStr=2026-11-03, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793697626442, creator=13701087609, updateTime=1793697626442, updator=13701087609, issue=Issue{id=1324426994615727048, tenantId=1146029695717560320, journalId=1240685776644648972, year='2026', volume='30', issue='9', pageStart='1397', pageEnd='1576', issueExtLink='null', onlineDate='null', pubDate='1789401600000', pubDateStr='2026-09-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1793697602180, creator='13701087609', updateTime=1793699937016, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1324436787699000005, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1324426994615727048, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1324436787699000006, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1324426994615727048, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1483, endPage=1494, ext={EN=ArticleExt(id=1324427096570868379, articleId=1324427096382124698, tenantId=1146029695717560320, journalId=1240685776644648972, language=EN, title=Time-frequency inversion of multi-directional random waves based on ship motion information, columnId=1241023037940748650, journalTitle=Journal of Ship Mechanics, columnName=Hydrodynamics, runingTitle=null, highlight=null, articleAbstract=
Real-time inversion of wave parameters in actual oceans using ship motion sensor data holds significant value for ship performance research. Compared to direct measurement methods, this indirect inversion approach offers advantages in real-time capability, cost efficiency, and ease of installation. Based on potential flow theory, this paper derives the wave-induced hull motion transfer function (response amplitude operator, RAO) using the principle of linear superposition. Combined with Kalman filtering (KF) technology, a time-frequency inversion model for wave parameters is proposed. The objective is to inversely determine the wave height time history and directional spectrum of random multi-directional waves based on the ship's multi-degree-of-freedom motion. Testing and validation were conducted using simulated multi-degree-of-freedom ship motion signals with noise as input. Results demonstrate that the KF model can effectively inverts directional spectra and wave height time histories for each principal wave direction and sea state level, with a maximum significant wave height inversion error of 10.08%. This indicates the KF model's potential for inverting wave directional spectra in real ocean environments.
, authors=Zhen-tao JIANG
1, Wen-wei WU
1, Cai-xia JIANG
1, Yi-cong LU
2, Wen-hua XU
3, authorsList=Zhen-tao JIANG, Wen-wei WU, Cai-xia JIANG, Yi-cong LU, Wen-hua XU, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2026 Journal of Ship Mechanics. 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, fund=null), CN=ArticleExt(id=1324427121191433143, articleId=1324427096382124698, tenantId=1146029695717560320, journalId=1240685776644648972, language=CN, title=基于船舶运动信息的随机多向波浪时频反演研究, columnId=1241023038087549292, journalTitle=船舶力学, columnName=流体力学, runingTitle=null, highlight=null, articleAbstract=
利用船舶运动传感数据实时反演真实海洋中的波浪参数对船舶性能研究具有很高的价值,相比于直接测量方法,这种间接反演方法在实时性、投入成本和安装简便性方面均更有优势。本文基于势流理论,通过线性叠加原理获得波浪诱导船体运动传递函数(RAO),结合卡尔曼滤波(KF)技术,提出了一种波浪参数时频反演模型(简称KF模型),目的在于基于船舶多自由度运动反演随机多向波浪的波高时历和方向谱。通过生成带有噪声的船舶多自由度运动模拟信号作为输入进行测试和验证,结果表明,KF模型可以有效反演各主浪向、各级海况的方向谱和波高时历,有义波高反演相对误差最大为10.08%,表明了KF模型具有反演真实海洋环境中波浪方向谱的潜能。
, authors=蒋镇涛
1, 吴文伟
1, 蒋彩霞
1, 陆奕聪
2, 徐文华
3, authorsList=蒋镇涛, 吴文伟, 蒋彩霞, 陆奕聪, 徐文华, authorCompany=null, correspAuthors=null, authorNote=
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1中国船舶科学研究中心,江苏 无锡 214082, bio={"content":"
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1中国船舶科学研究中心,江苏 无锡 214082)])]), Author(id=1324427239911203426, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1324427239995089508, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, authorId=1324427239911203426, language=EN, stringName=Yi-cong LU, firstName=Yi-cong, middleName=null, lastName=LU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2School of Ocean Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1324427240074781285, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, authorId=1324427239911203426, language=CN, stringName=陆奕聪, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2中山大学 海洋工程与技术学院,广东 珠海 519082, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1324427239022010956, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, xref=2, ext=[AuthorCompanyExt(id=1324427239030399565, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, companyId=1324427239022010956, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3College of Shipbuilding Engineering, Harbin Engineering University, Harbin 150001, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1324427240326439530, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, authorId=1324427240154473063, language=CN, stringName=徐文华, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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3哈尔滨工程大学 船舶工程学院,哈尔滨 150001, bio={"content":"
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3哈尔滨工程大学 船舶工程学院,哈尔滨 150001)])])], keywords=[Keyword(id=1324427240481628779, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=EN, orderNo=1, keyword=Kalman filter), Keyword(id=1324427240670372460, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=EN, orderNo=2, keyword=wave inversion), Keyword(id=1324427240754258541, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=EN, orderNo=3, keyword=ship motion), Keyword(id=1324427240829756014, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=EN, orderNo=4, keyword=wave-induced hull motion RAO), Keyword(id=1324427240901059183, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=CN, orderNo=1, keyword=卡尔曼滤波), Keyword(id=1324427240976556656, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=CN, orderNo=2, keyword=波浪反演), Keyword(id=1324427241052054129, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=CN, orderNo=3, keyword=船舶运动), Keyword(id=1324427241140134514, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=CN, orderNo=4, keyword=波浪诱导船体运动RAO)], refs=[Reference(id=1324427248434029202, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=1, rfOrder=0, authorNames=null, journalName=null, refType=null, unstructuredReference=Trizna D B. 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(in Chinese), articleTitle=null, refAbstract=null)], funds=[Fund(id=1324427248270451345, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, awardId=null, language=CN, fundingSource=中国船舶科学研究中心稳定支持项目(WDZC70202030201), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1324427238938124873, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, xref=1, ext=[AuthorCompanyExt(id=1324427238946513482, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, companyId=1324427238938124873, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2中山大学 海洋工程与技术学院,广东 珠海 519082)]), AuthorCompany(id=1324427239110091343, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, xref=3, ext=[AuthorCompanyExt(id=1324427239118479952, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, companyId=1324427239110091343, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3College of Shipbuilding Engineering, Harbin Engineering University, Harbin 150001, China), AuthorCompanyExt(id=1324427239122674257, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, companyId=1324427239110091343, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3哈尔滨工程大学 船舶工程学院,哈尔滨 150001)])], figs=[ArticleFig(id=1324427241358238323, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=EN, label=Fig.1, caption=
A framework for wave inversion based on Kalman filtering technology, figureFileSmall=BtF+r71ZnFjGApK2zjaj/w==, figureFileBig=ovKQAs4re8xdRat+/MJDyw==, tableContent=null), ArticleFig(id=1324427241429541492, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=CN, label=图1, caption=
基于卡尔曼滤波技术的波浪反演方法框架, figureFileSmall=BtF+r71ZnFjGApK2zjaj/w==, figureFileBig=ovKQAs4re8xdRat+/MJDyw==, tableContent=null), ArticleFig(id=1324427241542787701, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=EN, label=Fig.2, caption=
Wet surface model, figureFileSmall=MpYFxVG2E6e6e8Hpxsp2ag==, figureFileBig=dZCuSUEJnoPK+zmsFZu71A==, tableContent=null), ArticleFig(id=1324427243283423862, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=CN, label=图2, caption=
湿表面模型, figureFileSmall=MpYFxVG2E6e6e8Hpxsp2ag==, figureFileBig=dZCuSUEJnoPK+zmsFZu71A==, tableContent=null), ArticleFig(id=1324427243501527671, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=EN, label=Fig.3, caption=
Heave and pitch RAO ($ \theta $
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垂荡和纵摇RAO($ \theta $
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Simulation results of six-degree-of-freedom motion, figureFileSmall=qgOSJOJZ3uFL6dj/btbt6Q==, figureFileBig=DCsuXrq8FQjX260wday2vg==, tableContent=null), ArticleFig(id=1324427244038398586, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=CN, label=图4, caption=
六自由度运动模拟结果, figureFileSmall=qgOSJOJZ3uFL6dj/btbt6Q==, figureFileBig=DCsuXrq8FQjX260wday2vg==, tableContent=null), ArticleFig(id=1324427244319416955, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=EN, label=Fig.5, caption=
Theoretical spectrum and inverted spectrum, figureFileSmall=zrdW8Fe46nA8AQ/EQuF8Xg==, figureFileBig=TK0h8hupmqJmsQKxC1SvIg==, tableContent=null), ArticleFig(id=1324427244428468860, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=CN, label=图5, caption=
理论谱与反演谱, figureFileSmall=zrdW8Fe46nA8AQ/EQuF8Xg==, figureFileBig=TK0h8hupmqJmsQKxC1SvIg==, tableContent=null), ArticleFig(id=1324427244751430269, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=EN, label=Fig.6, caption=
Theoretical spectrum and inverse spectrum(Case4,$ \overline{\theta } $
=0°,hs=1 m,T01=8 s), figureFileSmall=FVoZFzwx8jNBqIHZqYBnIw==, figureFileBig=r4XjwAuKARvEeFsk+5fULg==, tableContent=null), ArticleFig(id=1324427244843704958, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=CN, label=图6, caption=
理论谱与反演谱(Case4,$ \overline{\theta } $
=0°,hs=1 m,T01=8 s), figureFileSmall=FVoZFzwx8jNBqIHZqYBnIw==, figureFileBig=r4XjwAuKARvEeFsk+5fULg==, tableContent=null), ArticleFig(id=1324427244990505599, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=EN, label=Fig.7, caption=
Theoretical spectrum and inverse spectrum(Case8,$ \overline{\theta } $
=0°,hs=2 m,T01=9 s), figureFileSmall=W0oJCOQDBlAtyfYkecHzlQ==, figureFileBig=S2eKmw9/5tucXyqpe429cA==, tableContent=null), ArticleFig(id=1324427245074391680, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=CN, label=图7, caption=
理论谱与反演谱(Case8,$ \overline{\theta } $
=0°,hs=2 m,T01=9 s), figureFileSmall=W0oJCOQDBlAtyfYkecHzlQ==, figureFileBig=S2eKmw9/5tucXyqpe429cA==, tableContent=null), ArticleFig(id=1324427245263135361, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=EN, label=Fig.8, caption=
Parameter convergence process and wave height time-series inversion results, figureFileSmall=DjbcRGOM1GQWN6+5xjY/Ag==, figureFileBig=XGo4qPAU75LiwQCYI/tuBg==, tableContent=null), ArticleFig(id=1324427245405741698, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=CN, label=图8, caption=
参数收敛过程及波高时历反演结果, figureFileSmall=DjbcRGOM1GQWN6+5xjY/Ag==, figureFileBig=XGo4qPAU75LiwQCYI/tuBg==, tableContent=null), ArticleFig(id=1324427245506404995, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=EN, label=Fig.9, caption=
Convergence process of the model under different initial state vectors, figureFileSmall=JXJ3aMByhDWDxAs+zZFzcg==, figureFileBig=0kwOfshYh4c+0Dcnn1t6jw==, tableContent=null), ArticleFig(id=1324427245577708164, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=CN, label=图9, caption=
不同初始状态向量下模型收敛过程($ \overline{\theta } $
=60°,hs=2 m,T01=9 s), figureFileSmall=JXJ3aMByhDWDxAs+zZFzcg==, figureFileBig=0kwOfshYh4c+0Dcnn1t6jw==, tableContent=null), ArticleFig(id=1324427245661594245, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=EN, label=Fig.10, caption=
Theoretical spectrum and inverse spectrum(Case9,$ \overline{\theta } $
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理论谱与反演谱(Case9,$ \overline{\theta } $
=60°,hs=2 m,T01=8 s), figureFileSmall=/599jxAiIx1cs/UnOI5Wtw==, figureFileBig=IK5tczPLMovClXq4lVg65g==, tableContent=null), ArticleFig(id=1324427245804200583, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=EN, label=Tab.1, caption=
Calculation cases with single motion signal input
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| 工况 | 有义波高 /m | 平均周期 /s | 主浪向 /° | 输入信号 |
| Case1 | 2 | 8 | 0 | 垂荡 |
| Case2 | 2 | 8 | 0 | 横摇 |
| Case3 | 2 | 8 | 0 | 纵摇 |
), ArticleFig(id=1324427245871309448, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=CN, label=表1, caption=
单一运动信号输入计算工况
, figureFileSmall=null, figureFileBig=null, tableContent=
| 工况 | 有义波高 /m | 平均周期 /s | 主浪向 /° | 输入信号 |
| Case1 | 2 | 8 | 0 | 垂荡 |
| Case2 | 2 | 8 | 0 | 横摇 |
| Case3 | 2 | 8 | 0 | 纵摇 |
), ArticleFig(id=1324427245942612617, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=EN, label=Tab.2, caption=
Calculation cases of multi-degree-of-freedom motion signal as input
, figureFileSmall=null, figureFileBig=null, tableContent=
| 工况 | 有义波高 /m | 平均周期 /s | 主浪向 /° | 输入信号 |
| Case4 | 1 | 8 | 0 | 垂荡+横摇+纵摇 |
| Case5 | 2 | 8 | 0 | 垂荡+横摇+纵摇 |
| Case6 | 4 | 8 | 0 | 垂荡+横摇+纵摇 |
| Case7 | 2 | 7 | 0 | 垂荡+横摇+纵摇 |
| Case8 | 2 | 9 | 0 | 垂荡+横摇+纵摇 |
), ArticleFig(id=1324427246001332874, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=CN, label=表2, caption=
多自由度运动信号输入计算工况
, figureFileSmall=null, figureFileBig=null, tableContent=
| 工况 | 有义波高 /m | 平均周期 /s | 主浪向 /° | 输入信号 |
| Case4 | 1 | 8 | 0 | 垂荡+横摇+纵摇 |
| Case5 | 2 | 8 | 0 | 垂荡+横摇+纵摇 |
| Case6 | 4 | 8 | 0 | 垂荡+横摇+纵摇 |
| Case7 | 2 | 7 | 0 | 垂荡+横摇+纵摇 |
| Case8 | 2 | 9 | 0 | 垂荡+横摇+纵摇 |
), ArticleFig(id=1324427247704220299, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=EN, label=Tab.3, caption=
Statistics on calculation errors for various operating conditions
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| 工况 | 有义波高$ {h}_{{\mathrm{s}}} $ /m | 反演误差 | 平均周期$ {T}_{01} $ /s | 反演误差 |
| Case4($ {h}_{{\mathrm{s}}} $=1 m, $ {T}_{01} $=8 s) | 0.9140 | 8.60% | 7.9295 | 0.88% |
| Case5($ {h}_{{\mathrm{s}}} $=2 m, $ {T}_{01} $=8 s) | 1.8280 | 8.60% | 7.9293 | 0.88% |
| Case6($ {h}_{{\mathrm{s}}} $=4 m, $ {T}_{01} $=8 s) | 3.6435 | 8.91% | 7.9106 | 1.12% |
| Case7($ {h}_{{\mathrm{s}}} $=2 m, $ {T}_{01} $=7s) | 1.7985 | 10.08% | 6.9101 | 1.28% |
| Case8($ {h}_{{\mathrm{s}}} $=2 m, $ {T}_{01} $=9 s) | 1.8603 | 6.99% | 8.9126 | 0.97% |
), ArticleFig(id=1324427247788106380, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=CN, label=表3, caption=
各工况计算误差统计
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| 工况 | 有义波高$ {h}_{{\mathrm{s}}} $ /m | 反演误差 | 平均周期$ {T}_{01} $ /s | 反演误差 |
| Case4($ {h}_{{\mathrm{s}}} $=1 m, $ {T}_{01} $=8 s) | 0.9140 | 8.60% | 7.9295 | 0.88% |
| Case5($ {h}_{{\mathrm{s}}} $=2 m, $ {T}_{01} $=8 s) | 1.8280 | 8.60% | 7.9293 | 0.88% |
| Case6($ {h}_{{\mathrm{s}}} $=4 m, $ {T}_{01} $=8 s) | 3.6435 | 8.91% | 7.9106 | 1.12% |
| Case7($ {h}_{{\mathrm{s}}} $=2 m, $ {T}_{01} $=7s) | 1.7985 | 10.08% | 6.9101 | 1.28% |
| Case8($ {h}_{{\mathrm{s}}} $=2 m, $ {T}_{01} $=9 s) | 1.8603 | 6.99% | 8.9126 | 0.97% |
), ArticleFig(id=1324427247863603853, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=EN, label=Tab.4, caption=
Error statistics of inverse calculation of hs and T01 with different initial values
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| hs | T01 | 主浪向 /° | 初始值 | hs估计值 /m | 误差(%) | T01估计值 /s | 误差(%) |
| 4 m | 8 s | 0 | 0 | 3.657533 | 8.57 | 7.912936 | 1.09 |
| 0-0.01 | 3.659937 | 8.50 | 7.913343 | 1.09 |
| 0-0.1 | 3.773940 | 5.65 | 7.591531 | 5.11 |
| 0-0.2 | 4.079114 | 1.97 | 6.857374 | 14.29 |
| 60 | 0 | 3.818651 | 4.52 | 7.945646 | 6.75 |
| 0-0.01 | 3.817004 | 4.57 | 7.949989 | 0.63 |
| 0-0.1 | 3.886781 | 2.82 | 7.683727 | 3.95 |
| 0-0.2 | 4.132569 | 3.30 | 6.984141 | 12.7 |
| 2 m | 9 s | 0 | 0 | 1.861885 | 6.90 | 8.900366 | 1.11 |
| 0-0.01 | 1.864009 | 6.80 | 8.892721 | 1.19 |
| 0-0.1 | 2.060666 | 3.05 | 7.438331 | 7.02 |
| 0-0.2 | 2.565718 | 28.30 | 5.835369 | 35.16 |
| 60 | 0 | 1.922592 | 3.90 | 8.802427 | 2.20 |
| 0-0.01 | 1.916830 | 4.15 | 8.808517 | 2.13 |
| 0-0.1 | 2.054628 | 2.70 | 7.294587 | 8.82 |
| 0-0.2 | 2.530847 | 26.55 | 5.556991 | 38.25 |
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不同初始状态向量下hs,T01反演误差统计表
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| hs | T01 | 主浪向 /° | 初始值 | hs估计值 /m | 误差(%) | T01估计值 /s | 误差(%) |
| 4 m | 8 s | 0 | 0 | 3.657533 | 8.57 | 7.912936 | 1.09 |
| 0-0.01 | 3.659937 | 8.50 | 7.913343 | 1.09 |
| 0-0.1 | 3.773940 | 5.65 | 7.591531 | 5.11 |
| 0-0.2 | 4.079114 | 1.97 | 6.857374 | 14.29 |
| 60 | 0 | 3.818651 | 4.52 | 7.945646 | 6.75 |
| 0-0.01 | 3.817004 | 4.57 | 7.949989 | 0.63 |
| 0-0.1 | 3.886781 | 2.82 | 7.683727 | 3.95 |
| 0-0.2 | 4.132569 | 3.30 | 6.984141 | 12.7 |
| 2 m | 9 s | 0 | 0 | 1.861885 | 6.90 | 8.900366 | 1.11 |
| 0-0.01 | 1.864009 | 6.80 | 8.892721 | 1.19 |
| 0-0.1 | 2.060666 | 3.05 | 7.438331 | 7.02 |
| 0-0.2 | 2.565718 | 28.30 | 5.835369 | 35.16 |
| 60 | 0 | 1.922592 | 3.90 | 8.802427 | 2.20 |
| 0-0.01 | 1.916830 | 4.15 | 8.808517 | 2.13 |
| 0-0.1 | 2.054628 | 2.70 | 7.294587 | 8.82 |
| 0-0.2 | 2.530847 | 26.55 | 5.556991 | 38.25 |
), ArticleFig(id=1324427248031376015, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=EN, label=Tab.5, caption=
Calculation of operational condition errors for three distinct main wave directions
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| 工况 | 主方向 /° | 反演误差 /° | hs /m | 反演误差 | $ {T}_{01} $ /s | 反演误差 |
| Case5 | 0 | 0.009 | 1.8280 | 8.60% | 7.9293 | 0.88% |
| Case9 | 60 | 2.280 | 1.9106 | 4.47% | 7.8980 | 1.28% |
| Case10 | 120 | 4.213 | 1.8498 | 7.51% | 7.6687 | 4.14% |
), ArticleFig(id=1324427248111067792, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427096382124698, language=CN, label=表5, caption=
三个不同主浪向计算工况结果误差
, figureFileSmall=null, figureFileBig=null, tableContent=
| 工况 | 主方向 /° | 反演误差 /° | hs /m | 反演误差 | $ {T}_{01} $ /s | 反演误差 |
| Case5 | 0 | 0.009 | 1.8280 | 8.60% | 7.9293 | 0.88% |
| Case9 | 60 | 2.280 | 1.9106 | 4.47% | 7.8980 | 1.28% |
| Case10 | 120 | 4.213 | 1.8498 | 7.51% | 7.6687 | 4.14% |
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