Article(id=1263819610445497016, tenantId=1146029695717560320, journalId=1263530845441638439, issueId=1263818962224165389, articleNumber=null, orderNo=null, doi=10.19693/j.issn.1673-3185.04305, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1733414400000, receivedDateStr=2024-12-06, revisedDate=1741104000000, revisedDateStr=2025-03-05, acceptedDate=null, acceptedDateStr=null, onlineDate=1779247675762, onlineDateStr=2026-05-20, pubDate=1777478400000, pubDateStr=2026-04-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1779247675762, onlineIssueDateStr=2026-05-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1779247675762, creator=13041195026, updateTime=1779247675762, 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=415, endPage=423, ext={EN=ArticleExt(id=1263819612613952190, articleId=1263819610445497016, tenantId=1146029695717560320, journalId=1263530845441638439, language=EN, title=Study on energy characteristics of false targets in time-modulated adaptive jamming, columnId=1263819608264458931, journalTitle=Chinese Journal of Ship Research, columnName=Weapon, Electronic and Information System, runingTitle=null, highlight=null, articleAbstract=
Objective This research focuses on the energy characteristics of false targets generated by time-modulated adaptive jamming technology, aiming to investigate the significant variations in these characteristics caused by different modulation schemes and parameter settings. It aims to provide a comprehensive understanding of how modulation parameters influence the energy distribution of false targets, thereby offering practical insights for electronic warfare applications.
Method First, theoretical interference models were established for different modulation schemes against linear frequency modulation (LFM) pulse radar. These models elucidate the mapping relationship between modulation timing and the amplitude of false targets. Second, a Ku-band jamming system was designed and built to experimentally validate the theoretical findings. The system incorporates 1-bit modulation and control modules to generate time-modulated signals. Numerical simulations were conducted to evaluate the energy characteristics of false targets under various duty cycles and modulation schemes. Additionally, experimental measurements were performed in a controlled environment to compare the performance of various modulation modules and to verify the accuracy of the simulation results.
Results The results demonstrate that 1-bit modulation effectively conceals the target's energy at the fundamental frequency, making it difficult for radar systems to detect the true target. Under a fixed modulation scheme, it was observed that decreasing the duty cycle of the modulation signal reduces the amplitude difference between each harmonic and the fundamental frequency. When the harmonics approach the fundamental frequency in amplitude, the radar's ability to distinguish between true and false targets is significantly compromised. This finding highlights the importance of optimizing the duty cycle to enhance the effectiveness of time-modulated adaptive jamming. The experimental results closely matched the numerical simulations, validating both the theoretical models and the effectiveness of the proposed jamming system.
Conclusion By employing 1-bit modulation and carefully adjusting the duty cycle of the modulation signal, it is possible to effectively shape the energy profile of the real target, thus improving the jamming effectiveness against modern radar systems. This research provides both qualitative and quantitative analysis of the energy characteristics of false targets, and offers practical guidance for the development and implementation of time-modulated adaptive jamming systems. Future work may focus on extending this study to multi-target jamming scenarios, and on incorporating artificial intelligence algorithms to optimize jamming strategies in real time, as well as exploring countermeasures against emerging radar technologies.
, correspAuthors=Jingfeng CHEN, 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=Dongfang WU, Siyu ZHOU, Yuehang SUN, Xiaonan ZHAO, Weifeng ZHU, Yu XIA, Jingfeng CHEN, Ronghong JIN), CN=ArticleExt(id=1263819658092790030, articleId=1263819610445497016, tenantId=1146029695717560320, journalId=1263530845441638439, language=CN, title=时间调制自适应干扰假目标能量特性研究, 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 针对时间调制自适应干扰技术中不同调制模块和参数条件导致干扰假目标能量特性多变的问题,分析不同调制模块和参数条件下干扰假目标的能量特性,并通过仿真和实验验证研究结果的有效性。
方法 首先,建立针对线性调频脉冲雷达的不同调制模块干扰理论模型,明确调制时序与虚假目标幅度的映射关系,实现对干扰假目标能量特性的研究。其次,设计并加工一套 Ku 波段干扰系统,采用多手段评估(仿真与实验结合、不同调制模块对比)来验证研究的有效性。
结果 结果表明,在2种调制方式下,1 bit调制具有隐藏基波目标能量的功能。在调制方式固定时,随着调制信号占空比的减小,各次谐波与基波的差值逐渐减小,当谐波的幅值与基波越接近时,目标雷达越难以区分真假目标。
结论 因此,通过选用1 bit调制并尽可能降低调制信号占空比,可以实现真实目标能量的合理分配。所提出的研究方法通过定性和定量分析干扰假目标能量特性,可为时间调制灵巧式干扰技术的实际应用提供重要指导。
, correspAuthors=陈靖峰, authorNote=null, correspAuthorsNote=
* 陈靖峰
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, authorsList=吴东方, 周思雨, 孙月行, 赵晓楠, 朱伟锋, 夏雨, 陈靖峰, 金荣洪)}, authors=[Author(id=1263819659455938873, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, 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=1263819660127027518, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, authorId=1263819659455938873, language=EN, stringName=Dongfang WU, firstName=Dongfang, middleName=null, lastName=WU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2上海交通大学 电子工程系,上海 200240, bio={"content":"
陈靖峰,男,1986年生,博士,副教授。研究方向:阵列信号处理,电子对抗。E-mail:laowu3917@sjtu.edu.cn
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Block diagram of time-modulated adaptive jamming method, figureFileSmall=GEFnqJZkuOBiZQRvepmS3Q==, figureFileBig=+0r7TRGx41QDP/bfbJ/GlQ==, tableContent=null), ArticleFig(id=1263819679659901474, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=CN, label=图1, caption=
时间调制自适应干扰方法示意图, figureFileSmall=GEFnqJZkuOBiZQRvepmS3Q==, figureFileBig=+0r7TRGx41QDP/bfbJ/GlQ==, tableContent=null), ArticleFig(id=1263819680112886317, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=EN, label=Fig.2, caption=
Structural design block diagram of the time modulated module, figureFileSmall=j7RZbW20coJ9ujaWtWb4OA==, figureFileBig=n4xcQYjIdTnb6YV1hdZd+g==, tableContent=null), ArticleFig(id=1263819680242909746, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=CN, label=图2, caption=
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180°移相器单元, figureFileSmall=99whgvsq32n7QEOuQS3pqQ==, figureFileBig=Pl1ODTwo2Ut2jKIRSjp74A==, tableContent=null), ArticleFig(id=1263819680934969920, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=EN, label=Fig.4, caption=
Full-wave simulation dimension diagram of the time modulated module circuit, figureFileSmall=C2tR2gPn80hQcnuLpJOWug==, figureFileBig=6Sq4W8D0QvVOTr3fDB/Orw==, tableContent=null), ArticleFig(id=1263819681136296518, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=CN, label=图4, caption=
时间调制模块电路全波仿真尺寸图, figureFileSmall=C2tR2gPn80hQcnuLpJOWug==, figureFileBig=6Sq4W8D0QvVOTr3fDB/Orw==, tableContent=null), ArticleFig(id=1263819681366983243, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=EN, label=Fig.5, caption=
Energy characteristics of false targets from various modulation modules, figureFileSmall=1E3qA2cEy+8OIly+EJ2vCA==, figureFileBig=0m7vWmCXZxi7LfuMLJffrg==, tableContent=null), ArticleFig(id=1263819681744470609, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=CN, label=图5, caption=
不同调制模块干扰假目标能量特性, figureFileSmall=1E3qA2cEy+8OIly+EJ2vCA==, figureFileBig=0m7vWmCXZxi7LfuMLJffrg==, tableContent=null), ArticleFig(id=1263819682285535828, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=EN, label=Fig.6, caption=
Amplitude differences between harmonic and fundamental components under different duty cycles, figureFileSmall=1SZGC/EgzIpZttcv5zeSSQ==, figureFileBig=guz9qmFRHB+2VRajpCiwtQ==, tableContent=null), ArticleFig(id=1263819682449113687, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=CN, label=图6, caption=
不同占空比各次谐波与基波的幅度差值, figureFileSmall=1SZGC/EgzIpZttcv5zeSSQ==, figureFileBig=guz9qmFRHB+2VRajpCiwtQ==, tableContent=null), ArticleFig(id=1263819682629468764, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=EN, label=Fig.7, caption=
The time modulated module, figureFileSmall=oTnBXY3iTkZQ2bWRYitQxw==, figureFileBig=izUv4qkMOjQbjGJ+896VVQ==, tableContent=null), ArticleFig(id=1263819683044704865, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=CN, label=图7, caption=
时间调制模块, figureFileSmall=oTnBXY3iTkZQ2bWRYitQxw==, figureFileBig=izUv4qkMOjQbjGJ+896VVQ==, tableContent=null), ArticleFig(id=1263819684978279013, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=EN, label=Fig.8, caption=
Test environment setup for the time modulated module, figureFileSmall=Xzi36Ua3rGVIkWsVLBfzbg==, figureFileBig=LUtn2wXfy7C/vq8+Nudmqw==, tableContent=null), ArticleFig(id=1263819685552898670, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=CN, label=图8, caption=
时间调制模块测试环境图, figureFileSmall=Xzi36Ua3rGVIkWsVLBfzbg==, figureFileBig=LUtn2wXfy7C/vq8+Nudmqw==, tableContent=null), ArticleFig(id=1263819685938774645, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=EN, label=Fig.9, caption=
Simulated and measured S11 of the time-modulated module under four states, figureFileSmall=+4Ibqbic4VvF5SbSKv3Otg==, figureFileBig=oPoZEOdx7C6/9xnJO8L5cA==, tableContent=null), ArticleFig(id=1263819686089769593, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=CN, label=图9, caption=
时间调制模块4种状态下的仿真与实测的S11, figureFileSmall=+4Ibqbic4VvF5SbSKv3Otg==, figureFileBig=oPoZEOdx7C6/9xnJO8L5cA==, tableContent=null), ArticleFig(id=1263819686354010750, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=EN, label=Fig.10, caption=
Simulated and measured S12 of the time-modulated module under four states, figureFileSmall=GHz/L+esaspJJuN+y7jN8A==, figureFileBig=Klj+hxtya7eIK81cnebtpA==, tableContent=null), ArticleFig(id=1263819686479839874, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=CN, label=图10, caption=
时间调制模块4种状态下的仿真与实测的S12, figureFileSmall=GHz/L+esaspJJuN+y7jN8A==, figureFileBig=Klj+hxtya7eIK81cnebtpA==, tableContent=null), ArticleFig(id=1263819686781829766, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=EN, label=Fig.11, caption=
Simulated and measured phase difference between neighboring states, figureFileSmall=o32FeWKJEb71v5VSP8kpAQ==, figureFileBig=lmyadodXKLdTiAN7a1KOsw==, tableContent=null), ArticleFig(id=1263819687150928521, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=CN, label=图11, caption=
仿真与实测的相邻状态的相位差, figureFileSmall=o32FeWKJEb71v5VSP8kpAQ==, figureFileBig=lmyadodXKLdTiAN7a1KOsw==, tableContent=null), ArticleFig(id=1263819687629079182, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=EN, label=Fig.12, caption=
Simulated and measured amplitude differences, figureFileSmall=bUlCBMavrB2IeZUvahpl3A==, figureFileBig=+4g8bjrp27Uy5RpAk4+KKw==, tableContent=null), ArticleFig(id=1263819689659122326, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=CN, label=图12, caption=
仿真与实测的幅度差异, figureFileSmall=bUlCBMavrB2IeZUvahpl3A==, figureFileBig=+4g8bjrp27Uy5RpAk4+KKw==, tableContent=null), ArticleFig(id=1263819690216964765, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=EN, label=Fig.13, caption=
Experimental environment setup for jamming test in radio frequency channel, figureFileSmall=i8YBWN+dA0RqrZydi9xYHA==, figureFileBig=xJU92hChobUHgM4G/1C0GQ==, tableContent=null), ArticleFig(id=1263819690711892643, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=CN, label=图13, caption=
通道内干扰测试实验环境图, figureFileSmall=i8YBWN+dA0RqrZydi9xYHA==, figureFileBig=xJU92hChobUHgM4G/1C0GQ==, tableContent=null), ArticleFig(id=1263819691135517354, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=EN, label=Fig.14, caption=
The amplitude differences between harmonic and fundamental components under different duty cycles, figureFileSmall=/VLC+a0Ips0LtUEnmAIjvw==, figureFileBig=2x0wjhX+BjD0A9S2P0NKnQ==, tableContent=null), ArticleFig(id=1263819691332649648, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=CN, label=图14, caption=
不同占空比下各次谐波与基波的幅度差值, figureFileSmall=/VLC+a0Ips0LtUEnmAIjvw==, figureFileBig=2x0wjhX+BjD0A9S2P0NKnQ==, tableContent=null), ArticleFig(id=1263819691601085110, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=EN, label=Tab.1, caption=
Values of key parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| L1/mm | 3.05 |
| L2/mm | 4.08 |
| W1/mm | 0.46 |
| W2/mm | 2.95 |
| G1/mm | 0.1 |
| G2/mm | 0.2 |
| G3/mm | 0.12 |
| G4/mm | 0.12 |
), ArticleFig(id=1263819691768857276, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819610445497016, language=CN, label=表1, caption=
关键参数取值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| L1/mm | 3.05 |
| L2/mm | 4.08 |
| W1/mm | 0.46 |
| W2/mm | 2.95 |
| G1/mm | 0.1 |
| G2/mm | 0.2 |
| G3/mm | 0.12 |
| G4/mm | 0.12 |
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