Article(id=1263819605894677166, tenantId=1146029695717560320, journalId=1263530845441638439, issueId=1263818962224165389, articleNumber=null, orderNo=null, doi=10.19693/j.issn.1673-3185.04339, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1735488000000, receivedDateStr=2024-12-30, revisedDate=1743177600000, revisedDateStr=2025-03-29, acceptedDate=null, acceptedDateStr=null, onlineDate=1779247674678, onlineDateStr=2026-05-20, pubDate=1777478400000, pubDateStr=2026-04-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1779247674678, onlineIssueDateStr=2026-05-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1779247674678, creator=13041195026, updateTime=1779247674678, updator=13041195026, issue=Issue{id=1263818962224165389, tenantId=1146029695717560320, journalId=1263530845441638439, year='2026', volume='21', issue='2', pageStart='1', pageEnd='444', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1779247521215, creator=13041195026, updateTime=1779247861438, updator=13041195026, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1263820389638070544, tenantId=1146029695717560320, journalId=1263530845441638439, issueId=1263818962224165389, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1263820389638070545, tenantId=1146029695717560320, journalId=1263530845441638439, issueId=1263818962224165389, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=435, endPage=444, ext={EN=ArticleExt(id=1263819608553865908, articleId=1263819605894677166, tenantId=1146029695717560320, journalId=1263530845441638439, language=EN, title=Maritime target maneuver detection based on the prior knowledge, columnId=1263819608264458931, journalTitle=Chinese Journal of Ship Research, columnName=Weapon, Electronic and Information System, runingTitle=null, highlight=null, articleAbstract=
Objective The information obtained through forced detection is often inaccurate, and targets frequently change course unpredictably. This degrades the performance of target maneuver detection and hampers the analysis of the target motion pattern. Therefore, this paper proposes a detection method for maneuvering maritime targets based on prior knowledge.
Method The method incorporates two types of prior knowledge derived from expert experience. The first is that significant differences in target heading occur before and after maneuvering, whereas the target heading remains relatively stable during non-maneuvering periods. The second is that the heading difference before and after maneuvering reaches a local extremum. The maneuvering point in the trajectory tends to maximize the heading difference between adjacent sub-trajectories. Based on the definition of trajectory smoothness metric, a calculation method is proposed to calculate the course maneuver evaluation factor based on principal component analysis (PCA). This factor enables preliminary screening of potential maneuvering points. In order to find trajectory points that satisfy the second prior knowledge, a maximum filtering-based maneuvering point screening method is proposed.
Results Simulation results show that, compared with the mainstream interactive multiple model (IMM) algorithm and information entropy-based algorithm, the target maneuver inflection points detected by the proposed method are closer to the actual inflection points, with the lowest false detection rate and missed detection rate. Moreover, when track compression is performed using the maneuver positions extracted by this method, the distance error relative to the original track is minimized.
Conclusion The findings confirm the superiority of the proposed algorithm, which can effectively improve the accuracy and robustness of target maneuver detection and provide strong support for target behavior analysis and operational decision-making at sea.
, correspAuthors=Yuanyuan GAO, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright © 2026 Chinese Journal of Ship Research. 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=Yuanyuan GAO, Kaishuai WANG, Lifei BAI, Wenyan TU), CN=ArticleExt(id=1263819671845913034, articleId=1263819605894677166, tenantId=1146029695717560320, journalId=1263530845441638439, language=CN, title=基于先验知识的海上目标机动检测技术, columnId=1263819609539527351, journalTitle=中国舰船研究, columnName=武器与电子信息系统, runingTitle=null, highlight=null, articleAbstract=
目的 海上目标的被动探测数据常因位置信息误差大、航向随机多变等问题,导致目标机动检测性能降低,进而影响对目标运动趋势的分析。为提升海上目标机动检测能力,提出一种基于先验知识的目标机动检测技术。
方法 通过固化专家经验引入两条先验知识:目标航向机动前后有显著差异,非机动期间的航向近似一致;机动前后航向差异具有局部极值特征。定义航迹平滑度度量,提出基于主成分分析(PCA)的航向机动评估因子计算方法,并结合最大值滤波实现目标机动检测。
结果 仿真结果表明,与主流的交互式多模型(IMM)算法及基于信息熵的算法相比,采用所提方法检测得到的目标航向机动拐点更接近于真实拐点,误检和漏检率最低,且利用该方法提取的机动位置进行航迹压缩时,与原航迹的距离误差最小。
结论 所提技术可有效提升海上目标机动检测的准确性与鲁棒性,为海上目标行为分析及决策提供有力支持。
, correspAuthors=高原原, authorNote=null, correspAuthorsNote=
* 高原原
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Bulletin of Surveying and Mapping, 2019(4): 60–64,70 (in Chinese)., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1263916412742001312, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, xref=null, ext=[AuthorCompanyExt(id=1263916412754584225, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, companyId=1263916412742001312, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=China Shipbuilding Industry System Engineering Research Institute, Beijing100094, China), AuthorCompanyExt(id=1263916412796527266, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, companyId=1263916412742001312, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=中国船舶集团有限公司系统工程研究院,北京 100094)])], figs=[ArticleFig(id=1263916425543017198, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=EN, label=Fig.1, caption=
Schematic diagram of trajectory smoothness, figureFileSmall=KEIg5ct6it4KvUz4A1S7HA==, figureFileBig=MG7I+9pF1MLKDPctZqpdCg==, tableContent=null), ArticleFig(id=1263916425744343793, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=CN, label=图1, caption=
航迹平滑度示意图, figureFileSmall=KEIg5ct6it4KvUz4A1S7HA==, figureFileBig=MG7I+9pF1MLKDPctZqpdCg==, tableContent=null), ArticleFig(id=1263916425933087476, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=EN, label=Fig.2, caption=
Schematic diagram of target course maneuver, figureFileSmall=fiHs8UP1XOTJchXE1bb8zw==, figureFileBig=vnLZDmFUYBDkn9GkukbqjQ==, tableContent=null), ArticleFig(id=1263916426134414069, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=CN, label=图2, caption=
目标航向机动示意图, figureFileSmall=fiHs8UP1XOTJchXE1bb8zw==, figureFileBig=vnLZDmFUYBDkn9GkukbqjQ==, tableContent=null), ArticleFig(id=1263916426256048887, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=EN, label=Fig.3, caption=
Heading-maneuver-factor-based pre-screening of target maneuver inflection points, figureFileSmall=C2uimE8jGvHOxSkCpPfCsg==, figureFileBig=+KOZy8Z60KnZWeEgIMGfsA==, tableContent=null), ArticleFig(id=1263916426579010300, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=CN, label=图3, caption=
基于航向机动因子的目标机动拐点初筛结果, figureFileSmall=C2uimE8jGvHOxSkCpPfCsg==, figureFileBig=+KOZy8Z60KnZWeEgIMGfsA==, tableContent=null), ArticleFig(id=1263916426889388799, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=EN, label=Fig.4, caption=
Localization results of target maneuver inflection points, figureFileSmall=FNzLOjvK4jFg6BLVrZzVMQ==, figureFileBig=bB3UJ5EvvPqPjaeDuIeVSw==, tableContent=null), ArticleFig(id=1263916427073938176, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=CN, label=图4, caption=
目标航向机动拐点定位结果, figureFileSmall=FNzLOjvK4jFg6BLVrZzVMQ==, figureFileBig=bB3UJ5EvvPqPjaeDuIeVSw==, tableContent=null), ArticleFig(id=1263916427325596418, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=EN, label=Fig.5, caption=
Schematic diagram of maximum heading difference caused by position error, figureFileSmall=JRaHoQD9NWVBLZVQUDnrvg==, figureFileBig=H2K/wUh3iAzrBLi93PkpYw==, tableContent=null), ArticleFig(id=1263916427489174276, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=CN, label=图5, caption=
位置误差引起的最大航向差角示意图, figureFileSmall=JRaHoQD9NWVBLZVQUDnrvg==, figureFileBig=H2K/wUh3iAzrBLi93PkpYw==, tableContent=null), ArticleFig(id=1263916427774386950, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=EN, label=Fig.6, caption=
Maneuver-detection comparison across methods for short-trajectories (σ = 300 m), figureFileSmall=RTR5DogZa7Hc6iui5qenDg==, figureFileBig=4Xjt/fBMdOFB1XHRJlXbKQ==, tableContent=null), ArticleFig(id=1263916429577937672, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=CN, label=图6, caption=
不同方法下短航迹的机动检测结果对比($ \sigma $
= 300 m), figureFileSmall=RTR5DogZa7Hc6iui5qenDg==, figureFileBig=4Xjt/fBMdOFB1XHRJlXbKQ==, tableContent=null), ArticleFig(id=1263916429645046538, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=EN, label=Fig.7, caption=
Maneuver-detection comparison across methods for mid-trajectories (σ = 300 m), figureFileSmall=LkatkvcYHZl1jQQDnbgqTg==, figureFileBig=UbLS1emZ2fzcYsBojMst9A==, tableContent=null), ArticleFig(id=1263916429720544012, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=CN, label=图7, caption=
不同方法下中等航迹的机动检测结果对比($ \sigma $
= 300 m), figureFileSmall=LkatkvcYHZl1jQQDnbgqTg==, figureFileBig=UbLS1emZ2fzcYsBojMst9A==, tableContent=null), ArticleFig(id=1263916429837984524, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=EN, label=Fig.8, caption=
Maneuver-detection comparison across methods for long-trajectories (σ = 300 m), figureFileSmall=jCOTelCl5HnZmquDMz3q2g==, figureFileBig=FzCNp8zooHmiXR8qpGCqXA==, tableContent=null), ArticleFig(id=1263916430018339598, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=CN, label=图8, caption=
不同方法长航迹的机动检测结果对比($ \sigma $
= 300 m), figureFileSmall=jCOTelCl5HnZmquDMz3q2g==, figureFileBig=FzCNp8zooHmiXR8qpGCqXA==, tableContent=null), ArticleFig(id=1263916430135780112, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=EN, label=Fig.9, caption=
Maneuver-detection comparison across methods for short-trajectories (σ = 600 m), figureFileSmall=Yb9BDI9N1V6rvZALoF0rrw==, figureFileBig=8jXbtrkch7nwn9xnDJGOWA==, tableContent=null), ArticleFig(id=1263916430307746577, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=CN, label=图9, caption=
不同方法下短航迹的机动检测结果对比($ \sigma $
= 600 m), figureFileSmall=Yb9BDI9N1V6rvZALoF0rrw==, figureFileBig=8jXbtrkch7nwn9xnDJGOWA==, tableContent=null), ArticleFig(id=1263916430404215571, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=EN, label=Fig.10, caption=
Maneuver-detection comparison across methods for mid-trajectories (σ = 600 m), figureFileSmall=9A16IY3wnvSqWiREiAgsZQ==, figureFileBig=JVK9NXHHsswpKU5OJfPD0Q==, tableContent=null), ArticleFig(id=1263916430458741524, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=CN, label=图10, caption=
不同方法下中等航迹的机动检测结果对比($ \sigma $
= 600 m), figureFileSmall=9A16IY3wnvSqWiREiAgsZQ==, figureFileBig=JVK9NXHHsswpKU5OJfPD0Q==, tableContent=null), ArticleFig(id=1263916430714594071, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=EN, label=Fig.11, caption=
Maneuver-detection comparison across methods for long-trajectories (σ = 600 m), figureFileSmall=Qk+c84Dv+HWHDG2gicY6OQ==, figureFileBig=N7fG9FHVdOFIHOk8yvfwBQ==, tableContent=null), ArticleFig(id=1263916430794285849, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=CN, label=图11, caption=
不同方法下长航迹的机动检测结果对比($ \sigma $
= 600 m), figureFileSmall=Qk+c84Dv+HWHDG2gicY6OQ==, figureFileBig=N7fG9FHVdOFIHOk8yvfwBQ==, tableContent=null), ArticleFig(id=1263916430882366235, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=EN, label=Fig.12, caption=
Distance-error dispersion comparison across methods for short-trajectories (σ = 300 m), figureFileSmall=BtdwzazLTlZHSBkxtMuTeA==, figureFileBig=JCwlcXgA0/EDRe4mKofOVg==, tableContent=null), ArticleFig(id=1263916430966252316, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=CN, label=图12, caption=
不同方法下短航迹的距离误差散布对比(σ = 300 m), figureFileSmall=BtdwzazLTlZHSBkxtMuTeA==, figureFileBig=JCwlcXgA0/EDRe4mKofOVg==, tableContent=null), ArticleFig(id=1263916431104664350, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=EN, label=Fig.13, caption=
Distance-error dispersion comparison across methods for mid-trajectories (σ=300 m), figureFileSmall=kHEj0MWClnwQA06ivhlrgQ==, figureFileBig=cIuvV0uj+vPe3KMyH7DP/g==, tableContent=null), ArticleFig(id=1263916431335351072, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=CN, label=图13, caption=
不同方法下中等航迹的距离误差散布对比(σ=300 m), figureFileSmall=kHEj0MWClnwQA06ivhlrgQ==, figureFileBig=cIuvV0uj+vPe3KMyH7DP/g==, tableContent=null), ArticleFig(id=1263916431574426402, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=EN, label=Fig.14, caption=
Distance-error dispersion comparison across methods for long-trajectories (σ = 300 m), figureFileSmall=JPfk3FplECrS2AZO/xZu6Q==, figureFileBig=7XzR0f1UjwxxbPh8FrGlHA==, tableContent=null), ArticleFig(id=1263916431691866916, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=CN, label=图14, caption=
不同方法下长航迹的距离误差散布对比(σ = 300 m), figureFileSmall=JPfk3FplECrS2AZO/xZu6Q==, figureFileBig=7XzR0f1UjwxxbPh8FrGlHA==, tableContent=null), ArticleFig(id=1263916431935136550, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=EN, label=Fig.15, caption=
Distance-error dispersion comparison across methods for short-trajectories (σ = 600 m), figureFileSmall=xN6TMFdfFrDVOfvUtOYXoA==, figureFileBig=OhZtx6Hc7pz5EeAvP2Rj0w==, tableContent=null), ArticleFig(id=1263916432065159976, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=CN, label=图15, caption=
不同方法下短航迹的距离误差散布对比(σ = 600 m), figureFileSmall=xN6TMFdfFrDVOfvUtOYXoA==, figureFileBig=OhZtx6Hc7pz5EeAvP2Rj0w==, tableContent=null), ArticleFig(id=1263916432249709354, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=EN, label=Fig.16, caption=
Distance-error dispersion comparison across methods for mid-trajectories (σ = 600 m), figureFileSmall=Cj6sTnC05V2GWIAO1PdECQ==, figureFileBig=7Y0ZAUJfLqzi642azZgzrg==, tableContent=null), ArticleFig(id=1263916434128757548, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=CN, label=图16, caption=
不同方法下中等航迹的距离误差散布对比(σ = 600 m), figureFileSmall=Cj6sTnC05V2GWIAO1PdECQ==, figureFileBig=7Y0ZAUJfLqzi642azZgzrg==, tableContent=null), ArticleFig(id=1263916434242003758, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=EN, label=Fig.17, caption=
Distance-error dispersion comparison across methods for long-trajectories (σ = 600 m), figureFileSmall=70WdXsUYnhE4/JFymUHKmQ==, figureFileBig=b8g8YoxaimyMuM2LWu2dOw==, tableContent=null), ArticleFig(id=1263916434468496176, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=CN, label=图17, caption=
不同方法下长航迹的距离误差散布对比(σ = 600 m), figureFileSmall=70WdXsUYnhE4/JFymUHKmQ==, figureFileBig=b8g8YoxaimyMuM2LWu2dOw==, tableContent=null), ArticleFig(id=1263916434615296818, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=EN, label=Tab.1, caption=
Comparison results of distance errors
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| σ/m | 误差/m |
| 航迹等级 | IMM模型 | 基于信息熵的算法 | 本文算法 |
| 300 | 短航迹 | 1211.09 | 737.970 | 463.50 |
| 中等航迹 | 1339.40 | 2279.620 | 547.72 |
| 长航迹 | 2503.84 | 3239.330 | 1005.47 |
| 600 | 短航迹 | 1671.84 | 1181.922 | 973.93 |
| 中等航迹 | 2621.60 | 2946.933 | 1058.74 |
| 长航迹 | 2998.29 | 7734.528 | 1075.10 |
), ArticleFig(id=1263916434703377204, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819605894677166, language=CN, label=表1, caption=
距离误差对比结果
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| σ/m | 误差/m |
| 航迹等级 | IMM模型 | 基于信息熵的算法 | 本文算法 |
| 300 | 短航迹 | 1211.09 | 737.970 | 463.50 |
| 中等航迹 | 1339.40 | 2279.620 | 547.72 |
| 长航迹 | 2503.84 | 3239.330 | 1005.47 |
| 600 | 短航迹 | 1671.84 | 1181.922 | 973.93 |
| 中等航迹 | 2621.60 | 2946.933 | 1058.74 |
| 长航迹 | 2998.29 | 7734.528 | 1075.10 |
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