Article(id=1281326802639499379, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1281326672238580175, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1007-7294.2026.01.015, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1758297600000, receivedDateStr=2025-09-20, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1783421715650, onlineDateStr=2026-07-07, pubDate=1768406400000, pubDateStr=2026-01-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1783421715650, onlineIssueDateStr=2026-07-07, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1783421715650, creator=13701087609, updateTime=1783421715650, updator=13701087609, issue=Issue{id=1281326672238580175, tenantId=1146029695717560320, journalId=1240685776644648972, year='2026', volume='30', issue='1', pageStart='1', pageEnd='176', issueExtLink='null', onlineDate='null', pubDate='1768406400000', pubDateStr='2026-01-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1783421684559, creator='13701087609', updateTime=1783422118948, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1281328494261026863, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1281326672238580175, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1281328494261026864, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1281326672238580175, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=159, endPage=167, ext={EN=ArticleExt(id=1281326802899546228, articleId=1281326802639499379, tenantId=1146029695717560320, journalId=1240685776644648972, language=EN, title=Line spectrum feature extraction based on machine learning, columnId=1241023038381158513, journalTitle=Journal of Ship Mechanics, columnName=Hydro/Structural Acoustics, runingTitle=null, highlight=null, articleAbstract=
This paper is to study the principle of line spectrum feature extraction. In view of the deficiency of manual line spectrum feature extraction method, a line spectrum feature extraction method based on machine learning was proposed. The Encoder-Decoder based on convolution neural network was built, and the attention mechanism was introduced between the convolution and pooling layers, so that the important features of the input data could occupy a higher weight to enhance the accuracy of feature extraction. The model was compared with U-Net model and TPSW algorithm in the case of low signal-to-noise ratio, and tested on the actual data. The experimental results show that the improved model achieves a line positioning accuracy of 0.823 at a signal-to-noise ratio of 5 dB. This performance is better than that of the U-Net model and TPSW algorithm with in the 0~5 dB range. Thus the model effectively extracts line spectrum information and improves the accuracy of underwater target detection.
, authors=Jun-jie SHI
1, 2, 3, 4, Ling-shuang XIONG
4, Da-jun SUN
1, 2, 3, authorsList=Jun-jie SHI, Ling-shuang XIONG, Da-jun SUN, authorCompany=null, correspAuthors=Ling-shuang XIONG, 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=1281326811309125815, articleId=1281326802639499379, tenantId=1146029695717560320, journalId=1240685776644648972, language=CN, title=基于机器学习的线谱特征提取方法, columnId=1241023038515376243, journalTitle=船舶力学, columnName=流体与结构声学, runingTitle=null, highlight=null, articleAbstract=
针对人工提取线谱特征方法的不足,本文对线谱特征提取原理进行研究,提出一种基于机器学习的线谱特征提取方法。搭建基于卷积神经网络的编码器–解码器,并在卷积和池化层间引入注意力机制,使输入数据的重要特征占据更高的权重,从而提高特征提取的准确度。将模型与U–Net模型和TPSW算法在低信噪比情况下进行比较,并在实际数据上进行测试。实验结果表明,在谱级信噪比为5 dB时,改进模型线定位精度可达到0.823,在0~5 dB时均优于U–Net模型和TPSW算法,达到了提取线谱有效信息,提高水下目标检测准确率的目的。
, authors=师俊杰
1, 2, 3, 4, 熊凌霜
4, 孙大军
1, 2, 3, authorsList=师俊杰, 熊凌霜, 孙大军, authorCompany=null, correspAuthors=熊凌霜, authorNote=
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1.National Key Laboratory of underwater Acoustic Technology, Harbin Engineering University Harbin 150001, China
2.Key Laboratory of Marine Information Acquisition and Security (Harbin Engineering University), Ministry of Industry and Information Technology, Harbin 150001, China
3.College of Underwater Acoustic Engineering, Harbin Engineering University, Harbin 150001, China
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1.哈尔滨工程大学 水声技术全国重点实验室,哈尔滨 150001
2.海洋信息获取与安全工信部重点实验室(哈尔滨工程大学)工业和信息化部,哈尔滨 150001
3.哈尔滨工程大学 水声工程学院,哈尔滨 150001
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1.National Key Laboratory of underwater Acoustic Technology, Harbin Engineering University Harbin 150001, China
2.Key Laboratory of Marine Information Acquisition and Security (Harbin Engineering University), Ministry of Industry and Information Technology, Harbin 150001, China
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2.海洋信息获取与安全工信部重点实验室(哈尔滨工程大学)工业和信息化部,哈尔滨 150001
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