Article(id=1241697946895446276, tenantId=1146029695717560320, journalId=1238841944844054536, issueId=1241697942122328272, articleNumber=null, orderNo=null, doi=10.12347/j.ycyk.20240313001, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1710259200000, receivedDateStr=2024-03-13, revisedDate=1713196800000, revisedDateStr=2024-04-16, acceptedDate=null, acceptedDateStr=null, onlineDate=1773973460172, onlineDateStr=2026-03-20, pubDate=1726329600000, pubDateStr=2024-09-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773973460172, onlineIssueDateStr=2026-03-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773973460172, creator=13701087609, updateTime=1773973460172, updator=13701087609, issue=Issue{id=1241697942122328272, tenantId=1146029695717560320, journalId=1238841944844054536, year='2024', volume='45', issue='5', pageStart='1', pageEnd='128', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773973459034, creator=13701087609, updateTime=1773973945698, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241699983414580120, tenantId=1146029695717560320, journalId=1238841944844054536, issueId=1241697942122328272, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241699983414580121, tenantId=1146029695717560320, journalId=1238841944844054536, issueId=1241697942122328272, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=100, endPage=108, ext={EN=ArticleExt(id=1241697947121938694, articleId=1241697946895446276, tenantId=1146029695717560320, journalId=1238841944844054536, language=EN, title=Research on Intelligent Electromagnetic Spectrum Recognition Method Based on Digital Channelization and Accurate Reconstruction, columnId=1239133500033528732, journalTitle=Journal of Telemetry, Tracking and Command, columnName=Radar and Countermeasures, runingTitle=null, highlight=null, articleAbstract=
Digital channelization technology is often used for broadband electromagnetic signal reception. When its analysis filter banks and comprehensive filter banks have precise reconstruction characteristics,accurate reconstruction of the received signal can be achieved. For the electromagnetic spectrum recognition problem in the field of complex electromagnetic environment perception,it is necessary to accurately restore the electromagnetic signal received by the receiver and perform spectrum recognition based on the accurately restored signal. The article proposes an intelligent electromagnetic spectrum recognition technology based on precise reconstruction of digital channelization. Firstly, a digital channelized receiver structure that can achieve precise signal reconstruction is constructed. Then,wavelet analysis is used to construct a time-frequency waterfall diagram of the signal,and artificial intelligence processing is performed based on this graph to achieve electromagnetic spectrum recognition. Finally,simulation results are provided. The simulation results in the article demonstrate the correctness and effectiveness of the method.
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数字信道化技术常常用于宽带电磁信号接收,当其分析滤波器组和综合滤波器组具有精确重构特性时,就可实现接收信号的精确重构。针对复杂电磁环境感知领域的电磁频谱识别问题,需要对接收机接收到的电磁信号精确还原,并基于精确还原的信号进行频谱识别。提出一种基于数字信道化精确重构的智能电磁频谱识别技术,首先搭建可实现信号精确重构的数字信道化接收机结构;然后采用小波分析的方法构建信号的时频瀑布图,并基于时频瀑布图采用人工智能技术处理实现电磁频谱识别;最后给出仿真结果。仿真结果表明了基于数字信道化精确重构的智能电磁频谱识别方法的正确性和有效性。
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陈浩川 1979年生,硕士,研究员。
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陈浩川 1979年生,硕士,研究员。
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楚雪梅 1991年生,硕士,工程师。
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楚雪梅 1991年生,硕士,工程师。
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李凉海 1965年生,硕士,研究员。
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李凉海 1965年生,硕士,研究员。
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张振华 1977年生,教授,博士生导师。
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张振华 1977年生,教授,博士生导师。
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李东霞 1996年生,硕士,工程师。
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李东霞 1996年生,硕士,工程师。
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An overall scheme for intelligent electromanetic spectrum recognition based on precise reconstruction of digital channelization, figureFileSmall=NiuC9qcoFSTqS4ZTs+FUaQ==, figureFileBig=3RvZP8g5jDVV5EzxeaEwIw==, tableContent=null), ArticleFig(id=1241712917431776254, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=CN, label=图1, caption=
基于数字信道化精确重构的智能电磁频谱识别总体方案, figureFileSmall=NiuC9qcoFSTqS4ZTs+FUaQ==, figureFileBig=3RvZP8g5jDVV5EzxeaEwIw==, tableContent=null), ArticleFig(id=1241712917536632835, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=EN, label=Fig.2, caption=
A complex exponential modulation digital channelization structure without spectrum blind zone, figureFileSmall=zBIrSpmVYXxfVvt5Z0IVQQ==, figureFileBig=AnHFd0V780XR9ZBlTQ54DA==, tableContent=null), ArticleFig(id=1241712917670850570, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=CN, label=图2, caption=
一种无频谱盲区的复指数调制数字信道化结构, figureFileSmall=zBIrSpmVYXxfVvt5Z0IVQQ==, figureFileBig=AnHFd0V780XR9ZBlTQ54DA==, tableContent=null), ArticleFig(id=1241712917767319565, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=EN, label=Fig.3, caption=
The design results of the multiphase filter banks (left) and the error of the amplitude response (right), figureFileSmall=njZlaKouSIvY+3n5hE2kFg==, figureFileBig=MKA7xYsyFEgj9U/2jhu0CQ==, tableContent=null), ArticleFig(id=1241712917880565778, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=CN, label=图3, caption=
分析多相滤波器组和综合多相滤波器组的设计结果(左)及幅度响应误差(右), figureFileSmall=njZlaKouSIvY+3n5hE2kFg==, figureFileBig=MKA7xYsyFEgj9U/2jhu0CQ==, tableContent=null), ArticleFig(id=1241712917968646166, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=EN, label=Fig.4, caption=
Accurate signal reconstruction results based on digital channelization, figureFileSmall=jJLWgirXqqepm3rFW+joDg==, figureFileBig=TnhFMwr8FMq0ee+R35MCzA==, tableContent=null), ArticleFig(id=1241712918039949336, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=CN, label=图4, caption=
基于数字信道化的信号精确重构结果, figureFileSmall=jJLWgirXqqepm3rFW+joDg==, figureFileBig=TnhFMwr8FMq0ee+R35MCzA==, tableContent=null), ArticleFig(id=1241712918119641118, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=EN, label=Fig.5, caption=
Time frequency analysis result after precise signal reconstruction, figureFileSmall=TmPfBRfXo6l8tVt228KpgQ==, figureFileBig=oZ0iBhmVX6fQWxm/p8eUJg==, tableContent=null), ArticleFig(id=1241712918224498724, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=CN, label=图5, caption=
信号精确重构后时-频分析结果, figureFileSmall=TmPfBRfXo6l8tVt228KpgQ==, figureFileBig=oZ0iBhmVX6fQWxm/p8eUJg==, tableContent=null), ArticleFig(id=1241712918291607593, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=EN, label=Fig.6, caption=
Using channelization analysis results for subband signal regenration, figureFileSmall=r8XyXb96umHp7RxEkbRxDg==, figureFileBig=CmMXlBiPGnhTw/JX8/dp0A==, tableContent=null), ArticleFig(id=1241712918409048112, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=CN, label=图6, caption=
利用信道化分析结果进行子带再生, figureFileSmall=r8XyXb96umHp7RxEkbRxDg==, figureFileBig=CmMXlBiPGnhTw/JX8/dp0A==, tableContent=null), ArticleFig(id=1241712918509711416, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=EN, label=Fig.7, caption=
The signal output waveform of each sub-band, figureFileSmall=Vu9UC/hVUY/13g5AkYy6iw==, figureFileBig=LL39Ove+jxspGBlkCOE/EQ==, tableContent=null), ArticleFig(id=1241712918622957631, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=CN, label=图7, caption=
各个子带的信号输出波形, figureFileSmall=Vu9UC/hVUY/13g5AkYy6iw==, figureFileBig=LL39Ove+jxspGBlkCOE/EQ==, tableContent=null), ArticleFig(id=1241712918702649412, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=EN, label=Fig.8, caption=
Detection results of each sub-band, figureFileSmall=PMsmWwLI3XwiZJuoG2/9QA==, figureFileBig=chTCk5xc0na85rmo1Njeqg==, tableContent=null), ArticleFig(id=1241712918811701322, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=CN, label=图8, caption=
各个子带的检波结果, figureFileSmall=PMsmWwLI3XwiZJuoG2/9QA==, figureFileBig=chTCk5xc0na85rmo1Njeqg==, tableContent=null), ArticleFig(id=1241712919046582357, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=EN, label=Fig.9, caption=
Time frequency diagram of multiple false targets interference in a certain frame and intermittent sampling and forwarding interference in a certain frame, figureFileSmall=D6LtHsYRNCMWoi/CrFd7IA==, figureFileBig=D5oRMviQXB01uXFCZqBh2g==, tableContent=null), ArticleFig(id=1241712919130468441, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=CN, label=图9, caption=
某一帧多假目标干扰和某一帧间歇采样转发干扰的时频图, figureFileSmall=D6LtHsYRNCMWoi/CrFd7IA==, figureFileBig=D5oRMviQXB01uXFCZqBh2g==, tableContent=null), ArticleFig(id=1241712919222743137, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=EN, label=Fig.10, caption=
ResNet neural network, figureFileSmall=e/pSmwOXfIpsUpEvNiO/7A==, figureFileBig=UWIRLUQ4HVtepylhCtjqow==, tableContent=null), ArticleFig(id=1241712919289852005, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=CN, label=图10, caption=
ResNet神经网络, figureFileSmall=e/pSmwOXfIpsUpEvNiO/7A==, figureFileBig=UWIRLUQ4HVtepylhCtjqow==, tableContent=null), ArticleFig(id=1241712919356960873, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=EN, label=Fig.11, caption=
SE-ResNet neural network, figureFileSmall=y/+Fu3THKjNELTnO7h/Q8Q==, figureFileBig=W+BDQ1EVJTITGRm5AiPIOQ==, tableContent=null), ArticleFig(id=1241712919432458352, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=CN, label=图11, caption=
SE-ResNet神经网络, figureFileSmall=y/+Fu3THKjNELTnO7h/Q8Q==, figureFileBig=W+BDQ1EVJTITGRm5AiPIOQ==, tableContent=null), ArticleFig(id=1241712919507955828, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=EN, label=Fig.12, caption=
ResNet 、SE-ResNet confusion matrixs of active jamming recognition rate for nine types of radar, figureFileSmall=r88Upay8SOFoU2rGc4x2kQ==, figureFileBig=6527mkLahgUOmu6HLiMN2Q==, tableContent=null), ArticleFig(id=1241712919612813433, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=CN, label=图12, caption=
ResNet网络、SE-ResNet网络九类雷达有源干扰识别率混淆矩阵, figureFileSmall=r88Upay8SOFoU2rGc4x2kQ==, figureFileBig=6527mkLahgUOmu6HLiMN2Q==, tableContent=null), ArticleFig(id=1241712919692505216, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=EN, label=Fig.13, caption=
The recognition rate of ResNet and SE-ResNet varies with the number of iterations, figureFileSmall=mOxYfEJn068+yzsTLm1F9w==, figureFileBig=JEFFAE8IXEffsXxM4gLvcQ==, tableContent=null), ArticleFig(id=1241712919755419781, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=CN, label=图13, caption=
ResNet网络、SE-ResNet网络识别准确率随迭代次数的变化, figureFileSmall=mOxYfEJn068+yzsTLm1F9w==, figureFileBig=JEFFAE8IXEffsXxM4gLvcQ==, tableContent=null), ArticleFig(id=1241712919835111562, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=EN, label=Fig.14, caption=
Confusion matrix of real measured interference, figureFileSmall=+S6Pz/r2mkquvuW+rnpBAg==, figureFileBig=ahARlnwSMo/IBM/Fg46oVw==, tableContent=null), ArticleFig(id=1241712919935774864, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=CN, label=图14, caption=
实测干扰识别率混淆矩阵, figureFileSmall=+S6Pz/r2mkquvuW+rnpBAg==, figureFileBig=ahARlnwSMo/IBM/Fg46oVw==, tableContent=null), ArticleFig(id=1241712920036438167, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=EN, label=Table 1, caption=
Digital channelization and time-frequency analysis parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数名称 | 参数取值 | 备注 |
|---|
| 信道化通道数 | 32 | M=16 |
| 信道化结构 | 无频谱盲区的多项滤波结构 | |
| 原型滤波器总阶数 | 256 | |
分析和综合原型滤波器 样式 | QMF | |
| 采样率 | 1 000 Hz | |
| 原始输入信号 | 180 Hz的单频信号+10 Hz的单频信号+从30 Hz扫描到75 Hz的线性调频信号(Linear Frequency Modulated, LMF) | 三个信号同时 |
| 时-频分析方式 | 同步挤压小波变换 | |
), ArticleFig(id=1241712920111935644, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=CN, label=表1, caption=
数字信道化、时-频分析参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数名称 | 参数取值 | 备注 |
|---|
| 信道化通道数 | 32 | M=16 |
| 信道化结构 | 无频谱盲区的多项滤波结构 | |
| 原型滤波器总阶数 | 256 | |
分析和综合原型滤波器 样式 | QMF | |
| 采样率 | 1 000 Hz | |
| 原始输入信号 | 180 Hz的单频信号+10 Hz的单频信号+从30 Hz扫描到75 Hz的线性调频信号(Linear Frequency Modulated, LMF) | 三个信号同时 |
| 时-频分析方式 | 同步挤压小波变换 | |
), ArticleFig(id=1241712920216793248, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=EN, label=Table 2, caption=
Comparison of average recognition rates of different networks
, figureFileSmall=null, figureFileBig=null, tableContent=
| 网络名 | 平均准确率% | 数据 |
|---|
| 五层CNN | 76.3 | |
| 七层CNN | 80.6 | |
| 九层CNN | 78.4 | 仿真数据 |
| 本文ResNet | 85.6 | |
| 本文SE-ResNet | 99.8 | |
| 调整后SE-ResNet | 96.1 | 实测数据 |
), ArticleFig(id=1241712920296485030, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1241697946895446276, language=CN, label=表2, caption=
不同网络平均识别率的对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 网络名 | 平均准确率% | 数据 |
|---|
| 五层CNN | 76.3 | |
| 七层CNN | 80.6 | |
| 九层CNN | 78.4 | 仿真数据 |
| 本文ResNet | 85.6 | |
| 本文SE-ResNet | 99.8 | |
| 调整后SE-ResNet | 96.1 | 实测数据 |
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