Article(id=1253997367842246810, tenantId=1146029695717560320, journalId=1251234736404742242, issueId=1253997366797857283, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1672-2337.2025.05.003, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1730995200000, receivedDateStr=2024-11-08, revisedDate=1735315200000, revisedDateStr=2024-12-28, acceptedDate=null, acceptedDateStr=null, onlineDate=1776905870638, onlineDateStr=2026-04-23, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1776905870638, onlineIssueDateStr=2026-04-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1776905870638, creator=13041195026, updateTime=1776905870638, updator=13041195026, issue=Issue{id=1253997366797857283, tenantId=1146029695717560320, journalId=1251234736404742242, year='2025', volume='23', issue='5', pageStart='473', pageEnd='590', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1776905870387, creator=13041195026, updateTime=1777355497251, updator=13041195026, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1255883238690702048, tenantId=1146029695717560320, journalId=1251234736404742242, issueId=1253997366797857283, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1255883238690702049, tenantId=1146029695717560320, journalId=1251234736404742242, issueId=1253997366797857283, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=491, endPage=502, ext={EN=ArticleExt(id=1253997368093905052, articleId=1253997367842246810, tenantId=1146029695717560320, journalId=1251234736404742242, language=EN, title=Sea-Surface Small Target Detection Based on Joint Graph Features in Dual Channels, columnId=null, journalTitle=Radar Science and Technology, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Currently, sea-surface small targets have become the focus and difficulty of marine radar detection. The existing detection methods are limited to the use of unilateral information such as radar echo amplitude or spectrum, making it difficult to effectively detect small targets. Thus, a sea-surface small target detection method using dual-channel joint graph features (DC-JGF) is proposed in this paper. Firstly, the time-domain phase sequence and the frequencydomain amplitude sequence are extracted from the radar complex echo sequence to generate the time-frequency domain dual channel. In each channel, graphs are generated separately to provide rich correlation information. Secondly, in the time domain channel, the largest and the second-largest eigenvalues of graph Laplacian matrix are fused as the first feature to evaluate the graph density. In the frequency domain channel, by extracting non-zero elements from the diagonal of the degree matrix, the entropy value is calculated as the second feature to measure the dispersion of the vertex distribution of the graph. Then, the two features are used as detection statistics to determine whether they fall within the decision region given by the convex hull algorithm with target guidance. The detection results are obtained. Finally, experimental results using measured data demonstrate that the proposed detector can achieve robust and efficient detection performance in complex detection environments.
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目前,海面小目标已成为海洋雷达探测的重点和难点对象。现有的检测方法局限于雷达回波幅度或频谱的单方面信息的使用,难以有效探测小目标。为此,本文提出一种基于双通道图特征联合的海面小目标检测方法。首先,从雷达复回波序列中提取时域相位序列和频域幅度序列,生成时域-频域双通道。在每个通道,分别生成连通图,为检测提供丰富的相关性。其次,在时域通道,通过分析图拉普拉斯矩阵特征值的差异性,选取最大和次大特征值的融合值作为第一特征,衡量图的连通密度。在频域通道,通过提取度矩阵的对角线非零元素,计算其熵值作为第二特征,衡量图顶点分布的分散度。然后,将两个特征作为检测统计量,并判断是否落在具有目标引导的凸包算法决定的判决区域内,获得检测结果。最后,使用实测数据的实验结果表明,所提出的检测器在复杂探测环境下能够获得稳健且高效的检测性能。
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施赛楠 女,博士,副教授,主要研究方向为雷达信号处理、微弱目标检测、气象雷达探测。
姜苏桐 女,硕士,主要研究方向为海面目标检测与识别。
汪佳俊 男,硕士,主要研究方向为无人机检测、智能网络检测。
李焘 女,博士,副教授,主要研究方向为SAR图像处理、目标检测与识别。
, authorsList=施赛楠, 姜苏桐, 汪佳俊, 李焘)}, authors=[Author(id=1253999614907061240, tenantId=1146029695717560320, journalId=1251234736404742242, articleId=1253997367842246810, orderNo=0, 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=1253999615179691005, tenantId=1146029695717560320, journalId=1251234736404742242, articleId=1253997367842246810, authorId=1253999614907061240, language=EN, stringName=Sainan SHI, firstName=Sainan, middleName=null, lastName=SHI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.School of Electronics and Information Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China
2.Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Nanjing University of Information Science & Technology, Nanjing 210044, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1253999615548788736, tenantId=1146029695717560320, journalId=1251234736404742242, articleId=1253997367842246810, authorId=1253999614907061240, language=CN, stringName=施赛楠, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1.南京信息工程大学电子与信息工程学院,江苏南京 210044
2.南京信息工程大学江苏省大气环境与装备技术协同创新中心,江苏南京 210044, bio={"content":"
施赛楠 女,博士,副教授,主要研究方向为雷达信号处理、微弱目标检测、气象雷达探测。
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施赛楠 女,博士,副教授,主要研究方向为雷达信号处理、微弱目标检测、气象雷达探测。
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1.School of Electronics and Information Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China), AuthorCompanyExt(id=1253999612579222503, tenantId=1146029695717560320, journalId=1251234736404742242, articleId=1253997367842246810, companyId=1253999612554056676, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.南京信息工程大学电子与信息工程学院,江苏南京 210044)]), AuthorCompany(id=1253999612663108584, tenantId=1146029695717560320, journalId=1251234736404742242, articleId=1253997367842246810, xref=2., ext=[AuthorCompanyExt(id=1253999612675691497, tenantId=1146029695717560320, journalId=1251234736404742242, articleId=1253997367842246810, companyId=1253999612663108584, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Nanjing University of Information Science & Technology, Nanjing 210044, China), AuthorCompanyExt(id=1253999612684080107, tenantId=1146029695717560320, journalId=1251234736404742242, articleId=1253997367842246810, companyId=1253999612663108584, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.南京信息工程大学江苏省大气环境与装备技术协同创新中心,江苏南京 210044)])]), Author(id=1253999615699783684, tenantId=1146029695717560320, journalId=1251234736404742242, articleId=1253997367842246810, orderNo=1, 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=1253999615834001416, tenantId=1146029695717560320, journalId=1251234736404742242, articleId=1253997367842246810, authorId=1253999615699783684, language=EN, stringName=Sutong JIANG, firstName=Sutong, middleName=null, lastName=JIANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.School of Electronics and Information Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1253999615993384971, tenantId=1146029695717560320, journalId=1251234736404742242, articleId=1253997367842246810, authorId=1253999615699783684, language=CN, stringName=姜苏桐, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.南京信息工程大学电子与信息工程学院,江苏南京 210044, bio={"content":"
姜苏桐 女,硕士,主要研究方向为海面目标检测与识别。
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姜苏桐 女,硕士,主要研究方向为海面目标检测与识别。
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1.南京信息工程大学电子与信息工程学院,江苏南京 210044)])]), Author(id=1253999616085659662, tenantId=1146029695717560320, journalId=1251234736404742242, articleId=1253997367842246810, orderNo=2, 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=1253999616207294482, tenantId=1146029695717560320, journalId=1251234736404742242, articleId=1253997367842246810, authorId=1253999616085659662, language=EN, stringName=Jiajun WANG, firstName=Jiajun, middleName=null, lastName=WANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.School of Electronics and Information Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1253999616333123603, tenantId=1146029695717560320, journalId=1251234736404742242, articleId=1253997367842246810, authorId=1253999616085659662, language=CN, stringName=汪佳俊, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1.南京信息工程大学电子与信息工程学院,江苏南京 210044, bio={"content":"
汪佳俊 男,硕士,主要研究方向为无人机检测、智能网络检测。
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汪佳俊 男,硕士,主要研究方向为无人机检测、智能网络检测。
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3, 4, address=
3.School of Automation, Hangzhou Dianzi University, Hangzhou 310018, China
4.Nanjing Research Institute of Electronics Technology, Nanjing 210013, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1253999616760942620, tenantId=1146029695717560320, journalId=1251234736404742242, articleId=1253997367842246810, authorId=1253999616509284374, language=CN, stringName=李焘, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, 4, address=
3.杭州电子科技大学自动化学院,浙江 杭州 310018
4.南京电子技术研究所,江苏南京 210013, bio={"content":"
李焘 女,博士,副教授,主要研究方向为SAR图像处理、目标检测与识别。
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李焘 女,博士,副教授,主要研究方向为SAR图像处理、目标检测与识别。
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不同数据下5种检测器性能对比, figureFileSmall=aQuY4EHPHRZEjPjfDbUT2w==, figureFileBig=UP5F88ZER+lumocUuPZXxQ==, tableContent=null), ArticleFig(id=1253999623870287959, tenantId=1146029695717560320, journalId=1251234736404742242, articleId=1253997367842246810, language=EN, label=null, caption=null, figureFileSmall=vtewbBcgvk7GmD8urBNCAQ==, figureFileBig=evFblGuIJCdWkGCue7AEkQ==, tableContent=null), ArticleFig(id=1253999624000311384, tenantId=1146029695717560320, journalId=1251234736404742242, articleId=1253997367842246810, language=CN, label=图11, caption=
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实测数据幅度分布和测试目标, figureFileSmall=OP2HoYD68wpunsMjrAlBZQ==, figureFileBig=9tLTcYS6McqhOpe2RP4cGw==, tableContent=null), ArticleFig(id=1253999624302301278, tenantId=1146029695717560320, journalId=1251234736404742242, articleId=1253997367842246810, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 检测器 | N=256(0.25s) | N=512(0.512s) | N=1024(1.024s) |
|---|
| Hurst指数检测器[5] | 0.169/0.254/0.244/0.147 | 0.248/0.351/0.351/0.290 | 0.324/0.469/0.469/0.396 |
| GS检测器[13] | 0.169/0.254/0.244/0.147 | 0.190/0.367/0.399/0.329 | 0.173/0.376/0.373/0.336 |
| CDG检测器[14] | 0.207/0.300/0.297/0.086 | 0.291/0.297/0.396/0.136 | 0.327/0.472/0.466/0.200 |
| 三特征检测器[7] | 0.507/0.605/0.595/0.511 | 0.534/0.622/0.619/0.518 | 0.588/0.674/0.667/0.542 |
| FF检测器 | 0.425/0.449/0.470/0.434 | 0.558/0.604/0.599/0.506 | 0.628/0.670/0.667/0.562 |
| EF检测器 | 0.260/0.412/0.411/0.258 | 0.266/0.388/0.411/0.273 | 0.254/0.470/0.462/0.293 |
| DC-JGF检测器 | 0.519/0.608/0.588/0.510 | 0.584/0.656/0.663/0.580 | 0.663/0.739/0.732/0.650 |
), ArticleFig(id=1253999624390381664, tenantId=1146029695717560320, journalId=1251234736404742242, articleId=1253997367842246810, language=CN, label=表1, caption=
不同脉冲累积数下4种极化的平均检测概率
, figureFileSmall=null, figureFileBig=null, tableContent=
| 检测器 | N=256(0.25s) | N=512(0.512s) | N=1024(1.024s) |
|---|
| Hurst指数检测器[5] | 0.169/0.254/0.244/0.147 | 0.248/0.351/0.351/0.290 | 0.324/0.469/0.469/0.396 |
| GS检测器[13] | 0.169/0.254/0.244/0.147 | 0.190/0.367/0.399/0.329 | 0.173/0.376/0.373/0.336 |
| CDG检测器[14] | 0.207/0.300/0.297/0.086 | 0.291/0.297/0.396/0.136 | 0.327/0.472/0.466/0.200 |
| 三特征检测器[7] | 0.507/0.605/0.595/0.511 | 0.534/0.622/0.619/0.518 | 0.588/0.674/0.667/0.542 |
| FF检测器 | 0.425/0.449/0.470/0.434 | 0.558/0.604/0.599/0.506 | 0.628/0.670/0.667/0.562 |
| EF检测器 | 0.260/0.412/0.411/0.258 | 0.266/0.388/0.411/0.273 | 0.254/0.470/0.462/0.293 |
| DC-JGF检测器 | 0.519/0.608/0.588/0.510 | 0.584/0.656/0.663/0.580 | 0.663/0.739/0.732/0.650 |
), ArticleFig(id=1253999624545570915, tenantId=1146029695717560320, journalId=1251234736404742242, articleId=1253997367842246810, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 检测器 | N=256 (0.128s) | N=512 (0.256s) | N=1024 (0.512s) |
|---|
| Hurst指数检测器[5] | 0.033 | 0.074 | 0.109 |
| GS检测器[13] | 0.098 | 0.184 | 0.312 |
| CDG检测器[14] | 0.037 | 0.102 | 0.141 |
| 三特征检测器[7] | 0.271 | 0.379 | 0.422 |
| DC-JGF检测器 | 0.555 | 0.598 | 0.688 |
), ArticleFig(id=1253999624730120292, tenantId=1146029695717560320, journalId=1251234736404742242, articleId=1253997367842246810, language=CN, label=表2, caption=
实测数据下5种检测器的检测概率
, figureFileSmall=null, figureFileBig=null, tableContent=
| 检测器 | N=256 (0.128s) | N=512 (0.256s) | N=1024 (0.512s) |
|---|
| Hurst指数检测器[5] | 0.033 | 0.074 | 0.109 |
| GS检测器[13] | 0.098 | 0.184 | 0.312 |
| CDG检测器[14] | 0.037 | 0.102 | 0.141 |
| 三特征检测器[7] | 0.271 | 0.379 | 0.422 |
| DC-JGF检测器 | 0.555 | 0.598 | 0.688 |
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