Article(id=1239158369563505408, tenantId=1146029695717560320, journalId=1238841944844054536, issueId=1239158367571210992, articleNumber=null, orderNo=null, doi=10.12347/j.ycyk.20250216001, pmid=null, cstr=32406.14.ycyk.20250216001, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1739635200000, receivedDateStr=2025-02-16, revisedDate=1743177600000, revisedDateStr=2025-03-29, acceptedDate=null, acceptedDateStr=null, onlineDate=1773367977752, onlineDateStr=2026-03-13, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773367977752, onlineIssueDateStr=2026-03-13, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773367977752, creator=13701087609, updateTime=1773367977752, updator=13701087609, issue=Issue{id=1239158367571210992, tenantId=1146029695717560320, journalId=1238841944844054536, year='2025', volume='46', issue='6', pageStart='1', pageEnd='170', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=0, createTime=1773367977278, creator=13701087609, updateTime=1773368232261, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1239159437122917323, tenantId=1146029695717560320, journalId=1238841944844054536, issueId=1239158367571210992, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1239159437122917324, tenantId=1146029695717560320, journalId=1238841944844054536, issueId=1239158367571210992, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=122, endPage=135, ext={EN=ArticleExt(id=1239158369781609223, articleId=1239158369563505408, tenantId=1146029695717560320, journalId=1238841944844054536, language=EN, title=Lightweight Few-Shot Radar Active Jamming Identification Algorithm Based on Multi-Modality Fusion, columnId=1239133500033528732, journalTitle=Journal of Telemetry, Tracking and Command, columnName=Radar and Countermeasures, runingTitle=null, highlight=null, articleAbstract=
With the swift advancement of radar jamming techniques, the variety of active jamming types and the diversity of jamming strategies have surged, urging for accurate identification of jamming types. Conventional active jamming identification methods lack efficiency and universality. Meanwhile, current deep learning-based approaches are encumbered by large-scale parameters and the need for extensive data, which significantly limit their practical applications. To enhance recognition capabilities under conditions with limited parameters and data, a lightweight few-shot radar active jamming identification method based on multi-modality fusion is proposed. Lightweight fusion is achieved by leveraging the temporal locality of time-frequency features and the high-resolution range profile features. Additionally, few-shot classification performance is improved through exploiting metric learning and feature retrieval techniques. Experiments conducted on both simulated and measured datasets demonstrate the superior performance of the proposed method under a variety of conditions.
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随着雷达电子干扰技术的快速发展,雷达所面临的有源干扰的多样性、干扰策略的变化性持续增长,雷达对鉴别有源干扰类型的需求愈发迫切。传统的有源干扰特征识别方法识别效果有限且泛用性差,现有的基于深度学习的方法参数规模较大且具有较高的数据需求,限制了其自身的发展和应用。为在参数量和数据量有限的条件下提高有源干扰识别效果,本文研究了基于多模态融合的小样本轻量化有源干扰识别算法,利用时间局部性实现了信号时频特征及高分辨距离像特征的轻量化融合,利用度量学习与特征检索技术提高了小样本情景下的干扰识别准确率。仿真和实测数据实验表明,本文提出的方法在多种情况下具有良好的识别效果。
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张钟升 1999年生,硕士研究生。
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张钟升 1999年生,硕士研究生。
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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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张剑琦 1985年生,硕士,研究员。
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张剑琦 1985年生,硕士,研究员。
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An overview of the proposed multi-modality active jamming identification model, figureFileSmall=DlXdUgCLlZ+nW5c6kzhVfw==, figureFileBig=I8+LI45AuesDvEATFVkeFw==, tableContent=null), ArticleFig(id=1239158391055118870, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=CN, label=图1, caption=
多模态有源干扰识别模型框图, figureFileSmall=DlXdUgCLlZ+nW5c6kzhVfw==, figureFileBig=I8+LI45AuesDvEATFVkeFw==, tableContent=null), ArticleFig(id=1239158391277416988, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=EN, label=Fig. 2, caption=
An overview of the proposed cross modality fusion module and symmetric cross attention module, figureFileSmall=XrgBAxo6J4RVbvHUfdhLPg==, figureFileBig=1qCtWugq7rDTB61w/Kr4KQ==, tableContent=null), ArticleFig(id=1239158391344525855, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=CN, label=图2, caption=
多模态融合模块与对称交叉注意力模块示意图, figureFileSmall=XrgBAxo6J4RVbvHUfdhLPg==, figureFileBig=1qCtWugq7rDTB61w/Kr4KQ==, tableContent=null), ArticleFig(id=1239158391415829026, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=EN, label=Fig. 3, caption=
Time-frequency distribution of eight types of simulated jamming signals, figureFileSmall=6sn6pYraao2TCVbkZ4c6Sw==, figureFileBig=VFcVFbfMX50qc/3EjPPDEg==, tableContent=null), ArticleFig(id=1239158391491326498, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=CN, label=图3, caption=
八种仿真干扰信号的时频分布, figureFileSmall=6sn6pYraao2TCVbkZ4c6Sw==, figureFileBig=VFcVFbfMX50qc/3EjPPDEg==, tableContent=null), ArticleFig(id=1239158391579406884, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=EN, label=Fig. 4, caption=
HRRP of eight types of simulated jamming signals, figureFileSmall=SjWpu+a8PsEYAhAiH7gvIw==, figureFileBig=zvAO4vB1VStHMK2XdAiHsg==, tableContent=null), ArticleFig(id=1239158391659098662, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=CN, label=图4, caption=
八种仿真干扰信号的高分辨一维距离像, figureFileSmall=SjWpu+a8PsEYAhAiH7gvIw==, figureFileBig=zvAO4vB1VStHMK2XdAiHsg==, tableContent=null), ArticleFig(id=1239158391734596137, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=EN, label=Fig. 5, caption=
Confusion matrix of different modalities in simulation experiment under normal condition, figureFileSmall=bzTJWDPPPArRiUn4yykPKA==, figureFileBig=D+l6+dB5WAZkDnN39d9n+Q==, tableContent=null), ArticleFig(id=1239158391805899307, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=CN, label=图5, caption=
仿真实验中不同模态的混淆矩阵, figureFileSmall=bzTJWDPPPArRiUn4yykPKA==, figureFileBig=D+l6+dB5WAZkDnN39d9n+Q==, tableContent=null), ArticleFig(id=1239158391881396783, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=EN, label=Fig. 6, caption=
Model metrics at different JNRs, figureFileSmall=WVJ1cB8E3/taadEzqT4vEA==, figureFileBig=zcaw3+9NNwrUuSH7U91nHQ==, tableContent=null), ArticleFig(id=1239158391961088560, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=CN, label=图6, caption=
不同干燥比下各模型的性能指标, figureFileSmall=WVJ1cB8E3/taadEzqT4vEA==, figureFileBig=zcaw3+9NNwrUuSH7U91nHQ==, tableContent=null), ArticleFig(id=1239158392107889204, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=EN, label=Fig. 7, caption=
An illustration of the outfield experiment, figureFileSmall=RR3wZ4bQYahONHeVXEGSkQ==, figureFileBig=BRPHkZK7zmuctwZpvPzRMw==, tableContent=null), ArticleFig(id=1239158392204358200, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=CN, label=图7, caption=
外场试验场景布置示意图, figureFileSmall=RR3wZ4bQYahONHeVXEGSkQ==, figureFileBig=BRPHkZK7zmuctwZpvPzRMw==, tableContent=null), ArticleFig(id=1239158392296632891, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=EN, label=Fig. 8, caption=
Category distribution of the measured dataset, figureFileSmall=FCC69QIPBKf3+ujTdKmkjQ==, figureFileBig=8KxS7JIye/IiSZXElrBY8Q==, tableContent=null), ArticleFig(id=1239158392372130366, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=CN, label=图8, caption=
数据集样本类型分布, figureFileSmall=FCC69QIPBKf3+ujTdKmkjQ==, figureFileBig=8KxS7JIye/IiSZXElrBY8Q==, tableContent=null), ArticleFig(id=1239158392447627839, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=EN, label=Fig. 9, caption=
Time-frequency distribution of some outfield collected samples, figureFileSmall=bSAcUrNr0mEqPMbFuDJg7g==, figureFileBig=T5TZ83iV5opmMOfCh171lw==, tableContent=null), ArticleFig(id=1239158392523125313, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=CN, label=图9, caption=
部分外场采集样本的时频分布, figureFileSmall=bSAcUrNr0mEqPMbFuDJg7g==, figureFileBig=T5TZ83iV5opmMOfCh171lw==, tableContent=null), ArticleFig(id=1239158392636371523, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=EN, label=Fig. 10, caption=
Confusion matrix of different methods on measured dataset, figureFileSmall=3g3d+M92xaPWY5KFCHpNbQ==, figureFileBig=edhAy7DeHqZWNISftjdBsQ==, tableContent=null), ArticleFig(id=1239158392707674693, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=CN, label=图10, caption=
实测数据集上不同方法的混淆矩阵, figureFileSmall=3g3d+M92xaPWY5KFCHpNbQ==, figureFileBig=edhAy7DeHqZWNISftjdBsQ==, tableContent=null), ArticleFig(id=1239158392778977863, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=EN, label=Fig. 11, caption=
Visualization comparison of embedded features., figureFileSmall=kJ5IwBokY5SkiCI6Dwe6tA==, figureFileBig=2/W5se9ONWfjQHFEJWHT5Q==, tableContent=null), ArticleFig(id=1239158392858669641, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=CN, label=图11, caption=
特征可视化对比, figureFileSmall=kJ5IwBokY5SkiCI6Dwe6tA==, figureFileBig=2/W5se9ONWfjQHFEJWHT5Q==, tableContent=null), ArticleFig(id=1239158392946750027, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=EN, label=Table 1, caption=
Time complexity of the proposed multi-head symmetric cross attention module
, figureFileSmall=null, figureFileBig=null, tableContent=
| 步骤 | 时间复杂度 |
|---|
| 时频分支 | 脉压分支 | 总计 |
|---|
| 计算共用的注意力矩阵 |  |
| 计算注意力权重 |  |  | O(F×T2) |
| 注意力加权 | O(T1×F×C1) |  | O(T1×F×C1)+O(T2×C2) |
| 总计 | / | / | O(F×T2×D)+O(T1×F×C1) |
), ArticleFig(id=1239158393039024717, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=CN, label=表1, caption=
多头对称交叉注意力模块时间复杂度
, figureFileSmall=null, figureFileBig=null, tableContent=
| 步骤 | 时间复杂度 |
|---|
| 时频分支 | 脉压分支 | 总计 |
|---|
| 计算共用的注意力矩阵 |  |
| 计算注意力权重 |  |  | O(F×T2) |
| 注意力加权 | O(T1×F×C1) |  | O(T1×F×C1)+O(T2×C2) |
| 总计 | / | / | O(F×T2×D)+O(T1×F×C1) |
), ArticleFig(id=1239158394528002639, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=EN, label=Table 2, caption=
Parameters of the simulated dataset
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| 公共参数 | 值 | 干扰类型 | 参数 | 值 |
|---|
| 波形 | 脉冲正/负 | 线性扫频 | 调频率 | 32 ~256 GHz/s |
| 线性调频 | 梳状谱 | 频点个数 | 1~4 |
| 载频 | 3 GHz | 噪声乘积 灵巧噪声 | 噪声标准差 | 0.01~10 |
| 带宽 | 2~4 MHz | 噪声卷积 | 噪声标准差 | 0.01~10 |
| 灵巧噪声 | 噪声脉宽 | 5~20 μs |
| 采样率 | 10 MHz | 间歇采样 直接转发 | 采样次数 | 1~10 |
| 时宽 | 50~100 μs | 切片重构 | 切片数 | 2~10 |
| 采样点数 | 2 048 | 频谱弥散 | 调频率倍数 | 2~8 |
| JNR | 0~20 dB | 距离-速度拖引 | 拖引速度 | 0~200 m/s |
| 拖引加速度 | 0~50 m/s2 |
), ArticleFig(id=1239158394616083025, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=CN, label=表2, caption=
数据集仿真参数
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| 公共参数 | 值 | 干扰类型 | 参数 | 值 |
|---|
| 波形 | 脉冲正/负 | 线性扫频 | 调频率 | 32 ~256 GHz/s |
| 线性调频 | 梳状谱 | 频点个数 | 1~4 |
| 载频 | 3 GHz | 噪声乘积 灵巧噪声 | 噪声标准差 | 0.01~10 |
| 带宽 | 2~4 MHz | 噪声卷积 | 噪声标准差 | 0.01~10 |
| 灵巧噪声 | 噪声脉宽 | 5~20 μs |
| 采样率 | 10 MHz | 间歇采样 直接转发 | 采样次数 | 1~10 |
| 时宽 | 50~100 μs | 切片重构 | 切片数 | 2~10 |
| 采样点数 | 2 048 | 频谱弥散 | 调频率倍数 | 2~8 |
| JNR | 0~20 dB | 距离-速度拖引 | 拖引速度 | 0~200 m/s |
| 拖引加速度 | 0~50 m/s2 |
), ArticleFig(id=1239158394695774802, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=EN, label=Table 3, caption=
Training stratigies and hyperparameters
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| 超参数 | 值 |
|---|
| STFT | FFT点数 | 64 |
| 窗 | hamming,33 |
| 步长 |  |
| resize | 大小 | 256×256 |
| 插值方法 | 双线性 |
| 优化器 | 方法 | AdamW |
| 衰减 | 0.05 |
| 学习率 | 5E-4 |
| 训练轮次 | 200 |
| 批大小 | 64 |
| 梯度累加 | 2 |
| 学习率调度 | 方法 | 余弦退火(CosineAnnealingLR) |
| warmup | linear,10 epoch |
| Tmax | 训练轮次 |
), ArticleFig(id=1239158394788049492, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=CN, label=表3, caption=
训练策略与超参数
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| 超参数 | 值 |
|---|
| STFT | FFT点数 | 64 |
| 窗 | hamming,33 |
| 步长 |  |
| resize | 大小 | 256×256 |
| 插值方法 | 双线性 |
| 优化器 | 方法 | AdamW |
| 衰减 | 0.05 |
| 学习率 | 5E-4 |
| 训练轮次 | 200 |
| 批大小 | 64 |
| 梯度累加 | 2 |
| 学习率调度 | 方法 | 余弦退火(CosineAnnealingLR) |
| warmup | linear,10 epoch |
| Tmax | 训练轮次 |
), ArticleFig(id=1239158394880324182, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=EN, label=Table 4, caption=
Classification metrics of different modalities or backbones
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| 序号 | 模态 | 模型 | 参数量 | FLOPs | AUPRC | Precision | Recall |
|---|
| 1 | 时频分布 | fTF | 0.27 M | 66.9 M | 0.982 5 | 0.981 3 | 0.981 3 |
| 2 | 时频图像 | JR-TFViT_S[5] | 0.67 M | 668 M | 0.989 0 | 0.986 3 | 0.986 3 |
| 3 | HRRP | fPC | 0.05 M | 11.4 M | 0.956 3 | 0.955 4 | 0.955 0 |
| 4 | 时频分布+HRRP | ffusion | 0.40 M | 91.9 M | 0.989 5 | 0.987 6 | 0.987 5 |
| 5 | 时频分布+HRRP | ffusion+CSC | 0.41 M | 92.0 M | 0.993 1 | 0.992 6 | 0.992 5 |
), ArticleFig(id=1239158394968404568, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=CN, label=表4, caption=
不同模态或主干网络的分类指标
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| 序号 | 模态 | 模型 | 参数量 | FLOPs | AUPRC | Precision | Recall |
|---|
| 1 | 时频分布 | fTF | 0.27 M | 66.9 M | 0.982 5 | 0.981 3 | 0.981 3 |
| 2 | 时频图像 | JR-TFViT_S[5] | 0.67 M | 668 M | 0.989 0 | 0.986 3 | 0.986 3 |
| 3 | HRRP | fPC | 0.05 M | 11.4 M | 0.956 3 | 0.955 4 | 0.955 0 |
| 4 | 时频分布+HRRP | ffusion | 0.40 M | 91.9 M | 0.989 5 | 0.987 6 | 0.987 5 |
| 5 | 时频分布+HRRP | ffusion+CSC | 0.41 M | 92.0 M | 0.993 1 | 0.992 6 | 0.992 5 |
), ArticleFig(id=1239158395094233690, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=EN, label=Table 5, caption=
Metrics of each method with different shots on simulated dataset
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| 序号 | 模型 | 指标 | K |
|---|
| 5 | 10 | 15 | 20 |
|---|
| 1 | fTF | AUPRC | 0.655 8 | 0.756 5 | 0.833 3 | 0.890 2 |
| Recall | 0.676 3 | 0.775 0 | 0.833 8 | 0.893 8 |
| Precision | 0.661 4 | 0.760 0 | 0.816 0 | 0.881 2 |
| 2 | TF+CSC | AUPRC | 0.674 8 | 0.790 2 | 0.866 4 | 0.929 0 |
| Recall | 0.691 3 | 0.807 5 | 0.895 0 | 0.923 8 |
| Precision | 0.687 6 | 0.808 3 | 0.898 5 | 0.929 1 |
| 3 | JR-TFViT_S | AUPRC | 0.696 3 | 0.789 5 | 0.857 5 | 0.902 7 |
| Recall | 0.712 5 | 0.803 8 | 0.870 0 | 0.911 9 |
| Precision | 0.709 0 | 0.799 5 | 0.868 9 | 0.904 7 |
| 4 | fPC | AUPRC | 0.480 3 | 0.597 5 | 0.690 4 | 0.763 5 |
| Recall | 0.506 3 | 0.621 3 | 0.705 0 | 0.767 5 |
| Precision | 0.506 7 | 0.613 5 | 0.701 5 | 0.761 3 |
| 5 | 多模态融合网络 | AUPRC | 0.712 5 | 0.799 7 | 0.858 6 | 0.910 6 |
| Recall | 0.748 8 | 0.808 8 | 0.856 3 | 0.920 0 |
| Precision | 0.741 2 | 0.799 1 | 0.852 1 | 0.917 2 |
| 6 | 多模态融合网络+CSC | AUPRC | 0.715 4 | 0.817 2 | 0.875 4 | 0.931 6 |
| Recall | 0.746 3 | 0.830 0 | 0.881 3 | 0.938 3 |
| Precision | 0.740 9 | 0.825 2 | 0.888 3 | 0.939 2 |
), ArticleFig(id=1239158395186508379, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=CN, label=表5, caption=
仿真数据集上不同训练样本数下每种方法的指标
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| 序号 | 模型 | 指标 | K |
|---|
| 5 | 10 | 15 | 20 |
|---|
| 1 | fTF | AUPRC | 0.655 8 | 0.756 5 | 0.833 3 | 0.890 2 |
| Recall | 0.676 3 | 0.775 0 | 0.833 8 | 0.893 8 |
| Precision | 0.661 4 | 0.760 0 | 0.816 0 | 0.881 2 |
| 2 | TF+CSC | AUPRC | 0.674 8 | 0.790 2 | 0.866 4 | 0.929 0 |
| Recall | 0.691 3 | 0.807 5 | 0.895 0 | 0.923 8 |
| Precision | 0.687 6 | 0.808 3 | 0.898 5 | 0.929 1 |
| 3 | JR-TFViT_S | AUPRC | 0.696 3 | 0.789 5 | 0.857 5 | 0.902 7 |
| Recall | 0.712 5 | 0.803 8 | 0.870 0 | 0.911 9 |
| Precision | 0.709 0 | 0.799 5 | 0.868 9 | 0.904 7 |
| 4 | fPC | AUPRC | 0.480 3 | 0.597 5 | 0.690 4 | 0.763 5 |
| Recall | 0.506 3 | 0.621 3 | 0.705 0 | 0.767 5 |
| Precision | 0.506 7 | 0.613 5 | 0.701 5 | 0.761 3 |
| 5 | 多模态融合网络 | AUPRC | 0.712 5 | 0.799 7 | 0.858 6 | 0.910 6 |
| Recall | 0.748 8 | 0.808 8 | 0.856 3 | 0.920 0 |
| Precision | 0.741 2 | 0.799 1 | 0.852 1 | 0.917 2 |
| 6 | 多模态融合网络+CSC | AUPRC | 0.715 4 | 0.817 2 | 0.875 4 | 0.931 6 |
| Recall | 0.746 3 | 0.830 0 | 0.881 3 | 0.938 3 |
| Precision | 0.740 9 | 0.825 2 | 0.888 3 | 0.939 2 |
), ArticleFig(id=1239158395257811548, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=EN, label=Table 6, caption=
Metrics on measured dataset by different backbone networks
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| 模态 | 模型 | AUPRC | Precision | Recall |
|---|
| 时频分布 | fTF | 0.980 9 | 0.955 4 | 0.954 6 |
| 时频图像 | JR-TFViT_S[5] | 0.981 8 | 0.960 2 | 0.954 8 |
| HRRP | fPC | 0.925 2 | 0.905 3 | 0.885 9 |
| 时频分布+HRRP | ffusion | 0.982 8 | 0.962 5 | 0.954 1 |
| 时频分布+HRRP | ffusion+CSC | 0.984 7 | 0.957 2 | 0.955 2 |
), ArticleFig(id=1239158395324920413, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=CN, label=表6, caption=
实测数据集上不同主干网络的分类指标
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| 模态 | 模型 | AUPRC | Precision | Recall |
|---|
| 时频分布 | fTF | 0.980 9 | 0.955 4 | 0.954 6 |
| 时频图像 | JR-TFViT_S[5] | 0.981 8 | 0.960 2 | 0.954 8 |
| HRRP | fPC | 0.925 2 | 0.905 3 | 0.885 9 |
| 时频分布+HRRP | ffusion | 0.982 8 | 0.962 5 | 0.954 1 |
| 时频分布+HRRP | ffusion+CSC | 0.984 7 | 0.957 2 | 0.955 2 |
), ArticleFig(id=1239158395413000799, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=EN, label=Table 7, caption=
Metrics of each method with different shots on measured dataset
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| 序号 | 模型 | 指标 | K |
|---|
| 5 | 10 | 15 | 20 |
|---|
| 1 | fTF | AUPRC | 0.542 1 | 0.727 2 | 0.784 5 | 0.820 0 |
| Recall | 0.567 8 | 0.724 3 | 0.773 3 | 0.821 8 |
| Precision | 0.543 8 | 0.710 0 | 0.747 4 | 0.797 9 |
| 2 | fTF+CSC | AUPRC | 0.564 8 | 0.775 6 | 0.816 8 | 0.860 5 |
| Recall | 0.591 1 | 0.774 7 | 0.795 0 | 0.837 8 |
| Precision | 0.572 1 | 0.778 0 | 0.778 5 | 0.808 9 |
| 3 | JR-TFViT_S[5] | AUPRC | 0.551 2 | 0.743 6 | 0.792 9 | 0.833 4 |
| Recall | 0.583 0 | 0.744 1 | 0.780 5 | 0.829 6 |
| Precision | 0.549 0 | 0.739 5 | 0.758 6 | 0.798 2 |
| 4 | fPC | AUPRC | 0.379 9 | 0.628 0 | 0.652 5 | 0.669 6 |
| Recall | 0.416 3 | 0.630 8 | 0.655 3 | 0.678 4 |
| Precision | 0.406 7 | 0.613 5 | 0.631 5 | 0.652 3 |
| 5 | ffusion | AUPRC | 0.639 8 | 0.732 9 | 0.794 3 | 0.816 6 |
| Recall | 0.636 6 | 0.738 0 | 0.787 0 | 0.803 6 |
| Precision | 0.618 3 | 0.719 1 | 0.762 1 | 0.770 6 |
| 6 | ffusion+CSC | AUPRC | 0.687 3 | 0.787 4 | 0.818 2 | 0.845 0 |
| Recall | 0.666 7 | 0.794 2 | 0.833 4 | 0.823 8 |
| Precision | 0.662 7 | 0.787 1 | 0.792 9 | 0.815 2 |
), ArticleFig(id=1239158395505275489, tenantId=1146029695717560320, journalId=1238841944844054536, articleId=1239158369563505408, language=CN, label=表7, caption=
实测数据集上不同训练样本数下每种方法的指标
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| 序号 | 模型 | 指标 | K |
|---|
| 5 | 10 | 15 | 20 |
|---|
| 1 | fTF | AUPRC | 0.542 1 | 0.727 2 | 0.784 5 | 0.820 0 |
| Recall | 0.567 8 | 0.724 3 | 0.773 3 | 0.821 8 |
| Precision | 0.543 8 | 0.710 0 | 0.747 4 | 0.797 9 |
| 2 | fTF+CSC | AUPRC | 0.564 8 | 0.775 6 | 0.816 8 | 0.860 5 |
| Recall | 0.591 1 | 0.774 7 | 0.795 0 | 0.837 8 |
| Precision | 0.572 1 | 0.778 0 | 0.778 5 | 0.808 9 |
| 3 | JR-TFViT_S[5] | AUPRC | 0.551 2 | 0.743 6 | 0.792 9 | 0.833 4 |
| Recall | 0.583 0 | 0.744 1 | 0.780 5 | 0.829 6 |
| Precision | 0.549 0 | 0.739 5 | 0.758 6 | 0.798 2 |
| 4 | fPC | AUPRC | 0.379 9 | 0.628 0 | 0.652 5 | 0.669 6 |
| Recall | 0.416 3 | 0.630 8 | 0.655 3 | 0.678 4 |
| Precision | 0.406 7 | 0.613 5 | 0.631 5 | 0.652 3 |
| 5 | ffusion | AUPRC | 0.639 8 | 0.732 9 | 0.794 3 | 0.816 6 |
| Recall | 0.636 6 | 0.738 0 | 0.787 0 | 0.803 6 |
| Precision | 0.618 3 | 0.719 1 | 0.762 1 | 0.770 6 |
| 6 | ffusion+CSC | AUPRC | 0.687 3 | 0.787 4 | 0.818 2 | 0.845 0 |
| Recall | 0.666 7 | 0.794 2 | 0.833 4 | 0.823 8 |
| Precision | 0.662 7 | 0.787 1 | 0.792 9 | 0.815 2 |
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