Article(id=1228805365895196697, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228805359561802007, articleNumber=null, orderNo=null, doi=10.16385/j.cnki.issn.1004-4523.2025.06.017, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1740931200000, receivedDateStr=2025-03-03, revisedDate=1742745600000, revisedDateStr=2025-03-24, acceptedDate=null, acceptedDateStr=null, onlineDate=1770899629328, onlineDateStr=2026-02-12, pubDate=1749484800000, pubDateStr=2025-06-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1770899629328, onlineIssueDateStr=2026-02-12, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1770899629328, creator=13701087609, updateTime=1770899629328, updator=13701087609, issue=Issue{id=1228805359561802007, tenantId=1146029695717560320, journalId=1225147924628267009, year='2025', volume='38', issue='6', pageStart='1133', pageEnd='1362', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1770899627819, creator=13701087609, updateTime=1770901542852, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1228813391846896476, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228805359561802007, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1228813391846896477, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228805359561802007, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1287, endPage=1295, ext={EN=ArticleExt(id=1228805366113300516, articleId=1228805365895196697, tenantId=1146029695717560320, journalId=1225147924628267009, language=EN, title=Bearing fault signal model with equally spaced frequency components and its hilbert resonance demodulation mechanism, columnId=null, journalTitle=Journal of Vibration Engineering, columnName=null, runingTitle=null, highlight=null, articleAbstract=
The Hilbert resonance demodulation (HRD) technique is widely applied in bearing fault diagnosis. Current studies typically evaluate noise reduction methods based on the frequency components of envelope signals. However, there is a lack of quantitative analysis regarding the generation process of these frequency components. This might lead to misattributing HRD-induced effects to noise reduction methods during evaluation. In engineering, the empirical selection of test conditions and analysis parameters often results in missed diagnoses due to improper choices. To address these issues, this study constructs a fault signal model for vibration responses of rolling bearing outer race local faults. Through quantitative analysis of the Hilbert resonance demodulation process, the mapping relationship between signal parameters and envelope amplitude spectra is revealed. By investigating the influence of system physical parameters—such as natural frequency, damping ratio, and rotational speed—on signal characteristics, the correspondence between these parameters and the envelope amplitude spectrum distribution is established. This provides a clearer theoretical foundation for HRD applications. Simulated vibration signals processed by HRD demonstrate consistency with theoretical derivations, and experimental validation confirms the analytical conclusions based on the HRD demodulation mechanism.
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希尔伯特共振解调技术(HRD)广泛应用于轴承故障诊断。在利用包络幅值谱评估降噪方法优劣时,可能会把HRD产生的影响归因于降噪方法。工程中测试条件与分析参数的选取通常依靠经验,选取不当易引发故障漏诊。针对这些问题,通过构建轴承外圈故障振动响应的故障信号模型,定量分析故障信号的希尔伯特共振解调过程,揭示了信号参数与包络幅值谱的映射关系;通过分析固有频率、阻尼比和转速等系统物理参数对信号参数的影响,明确了系统物理参数与包络幅值谱分布的对应关系,为HRD的应用提供了更为明确的理论依据。利用HRD处理仿真振动信号,仿真结果与理论推导一致;并通过试验验证了基于HRD解调机理的分析结论。
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, authorsList=何国林, 李俊晖, 李巍华, 林慧斌, 陈华原, 许中生)}, authors=[Author(id=1228805370567651709, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=hegl@scut.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1228805370668315014, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, authorId=1228805370567651709, language=EN, stringName=Guolin HE, firstName=Guolin, middleName=null, lastName=HE, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.华南理工大学机械与汽车工程学院,广东 广州 510641, bio={"content":"
何国林(1986—),男,博士,副教授。E-mail:hegl@scut.edu.cn
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何国林(1986—),男,博士,副教授。E-mail:hegl@scut.edu.cn
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2.中信海洋直升机股份有限公司,广东 深圳 518052)])])], keywords=[Keyword(id=1228805372455088662, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, orderNo=1, keyword=rolling bearing), Keyword(id=1228805372534780443, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, orderNo=2, keyword=outer race local fault), Keyword(id=1228805372648026659, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, orderNo=3, keyword=Hilbert transform), Keyword(id=1228805372769661481, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, orderNo=4, keyword=resonant demodulation mechanism), Keyword(id=1228805372849353261, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, orderNo=5, keyword=fault signal model), Keyword(id=1228805372941627952, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, orderNo=1, keyword=滚动轴承), Keyword(id=1228805373021319732, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, orderNo=2, keyword=外圈局部故障), Keyword(id=1228805373126177335, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, orderNo=3, keyword=希尔伯特变换), Keyword(id=1228805373214257724, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, orderNo=4, keyword=共振解调机理), Keyword(id=1228805373293949503, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, orderNo=5, keyword=故障信号模型)], refs=[Reference(id=1228805377937044225, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, doi=null, pmid=null, pmcid=null, year=2012, volume=12, issue=4, pageStart=375, pageEnd=381, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=XU Xiaolei, YU Zhiwei, YANG Zhi, journalName=Journal of Failure Analysis and Prevention, refType=null, unstructuredReference=
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Amplitude spectrum of the filtered signal, figureFileSmall=5U37vlhth7WbOeC4Tu6uAw==, figureFileBig=prKVin82ZaPdC9j6GV64ig==, tableContent=null), ArticleFig(id=1228805373507859018, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, label=图1, caption=
带通滤波后信号的幅值谱, figureFileSmall=5U37vlhth7WbOeC4Tu6uAw==, figureFileBig=prKVin82ZaPdC9j6GV64ig==, tableContent=null), ArticleFig(id=1228805373738545747, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, label=Fig. 2, caption=
Envelope squared signal amplitude spectrum, figureFileSmall=7Y97GhdXSqs8qmMJforxOA==, figureFileBig=MNFkSnyEEnRBZ7vBcmalHQ==, tableContent=null), ArticleFig(id=1228805373851791957, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, label=图2, caption=
包络平方信号幅值谱, figureFileSmall=7Y97GhdXSqs8qmMJforxOA==, figureFileBig=MNFkSnyEEnRBZ7vBcmalHQ==, tableContent=null), ArticleFig(id=1228805373944066648, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, label=Fig. 3, caption=
Envelope signal amplitude spectrum, figureFileSmall=XVuJccN9/qK5dD/tI2SZ6g==, figureFileBig=4gXw1aBu+RH4+tV+5j+byw==, tableContent=null), ArticleFig(id=1228805374015369819, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, label=图3, caption=
包络幅值谱, figureFileSmall=XVuJccN9/qK5dD/tI2SZ6g==, figureFileBig=4gXw1aBu+RH4+tV+5j+byw==, tableContent=null), ArticleFig(id=1228805374090867296, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, label=Fig. 4, caption=
Frequency domain properties of signals when the amplitude spectrum is symmetric, figureFileSmall=oXbMqlKIQChgYZ3Jqs6FeA==, figureFileBig=Bo5ORVrNAcEQ7OjFGIpqSg==, tableContent=null), ArticleFig(id=1228805374183141990, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, label=图4, caption=
幅值谱对称时信号的频域特性, figureFileSmall=oXbMqlKIQChgYZ3Jqs6FeA==, figureFileBig=Bo5ORVrNAcEQ7OjFGIpqSg==, tableContent=null), ArticleFig(id=1228805374262833768, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, label=Fig. 5, caption=
Amplitude-frequency response function, figureFileSmall=3LE0puY7lBmfV2iT4vV50A==, figureFileBig=ONpXRaAq2llyCXjZHzQ+AA==, tableContent=null), ArticleFig(id=1228805374401245802, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, label=图5, caption=
幅频响应函数, figureFileSmall=3LE0puY7lBmfV2iT4vV50A==, figureFileBig=ONpXRaAq2llyCXjZHzQ+AA==, tableContent=null), ArticleFig(id=1228805374506103407, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, label=Fig. 6, caption=
Amplitude spectra of simulated signals with different intrinsic frequencies in the absence of noise, figureFileSmall=466TWA1gcxM/ducCsCUIvQ==, figureFileBig=zkjP+UrkxGKeKSY54j6t/w==, tableContent=null), ArticleFig(id=1228805374585795185, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, label=图6, caption=
无噪声下不同固有频率仿真信号的幅值谱, figureFileSmall=466TWA1gcxM/ducCsCUIvQ==, figureFileBig=zkjP+UrkxGKeKSY54j6t/w==, tableContent=null), ArticleFig(id=1228805374669681272, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, label=Fig. 7, caption=
Envelope amplitude spectra of simulated signals with different intrinsic frequencies in the absence of noise, figureFileSmall=vAQe+oxBf/1XY0K533lasA==, figureFileBig=TU1J2I71+5ckQ4rG7tfyxA==, tableContent=null), ArticleFig(id=1228805374745178744, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, label=图7, caption=
无噪声下不同固有频率仿真信号的包络幅值谱, figureFileSmall=vAQe+oxBf/1XY0K533lasA==, figureFileBig=TU1J2I71+5ckQ4rG7tfyxA==, tableContent=null), ArticleFig(id=1228805374837453434, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, label=Fig. 8, caption=
Amplitude spectrum of the envelope signal and envelope squared signal of signal 3, figureFileSmall=UZnmj+DXjOLN6yIKQ2DxnA==, figureFileBig=XpLK9UNXMl/d+OaF1nuLAg==, tableContent=null), ArticleFig(id=1228805374921339519, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, label=图8, caption=
信号3包络信号和包络平方信号的幅值谱, figureFileSmall=UZnmj+DXjOLN6yIKQ2DxnA==, figureFileBig=XpLK9UNXMl/d+OaF1nuLAg==, tableContent=null), ArticleFig(id=1228805375017808515, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, label=Fig. 9, caption=
Amplitude spectra of simulated signals with different damping ratios at signal-to-noise ratio −10 dB, figureFileSmall=lPS1/paNSv7gtcGk8oCrWg==, figureFileBig=tn6rTISnWjXi0V6JQWb8Qw==, tableContent=null), ArticleFig(id=1228805375118471813, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, label=图9, caption=
信噪比−10 dB时不同阻尼比仿真信号的幅值谱, figureFileSmall=lPS1/paNSv7gtcGk8oCrWg==, figureFileBig=tn6rTISnWjXi0V6JQWb8Qw==, tableContent=null), ArticleFig(id=1228805375198163593, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, label=Fig. 10, caption=
Envelope amplitude spectra of signals with different damping ratios at signal-to-noise ratio −10 dB, figureFileSmall=DC235Hq5toOZH9TxXYTx7g==, figureFileBig=DNPsMERSrhdt9A57qhassg==, tableContent=null), ArticleFig(id=1228805375298826893, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, label=图10, caption=
信噪比−10 dB时不同阻尼比信号的包络幅值谱, figureFileSmall=DC235Hq5toOZH9TxXYTx7g==, figureFileBig=DNPsMERSrhdt9A57qhassg==, tableContent=null), ArticleFig(id=1228805375412073105, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, label=Fig. 11, caption=
Amplitude spectrum of simulated signals with different input rotational speeds, figureFileSmall=znp4rQs9xZGR81cwvVBRng==, figureFileBig=XPFuO7ZZ8+4uBd0dLsluAw==, tableContent=null), ArticleFig(id=1228805375525319317, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, label=图11, caption=
不同输入转速仿真信号的幅值谱, figureFileSmall=znp4rQs9xZGR81cwvVBRng==, figureFileBig=XPFuO7ZZ8+4uBd0dLsluAw==, tableContent=null), ArticleFig(id=1228805375621788311, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, label=Fig. 12, caption=
Envelope amplitude spectra of simulated signals with different rotational speeds, figureFileSmall=6erAqnhTGIgo59vwNwvt6w==, figureFileBig=hRgd8cei/06ZcdrTrculrQ==, tableContent=null), ArticleFig(id=1228805375718257308, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, label=图12, caption=
不同输入转速仿真信号的包络幅值谱, figureFileSmall=6erAqnhTGIgo59vwNwvt6w==, figureFileBig=hRgd8cei/06ZcdrTrculrQ==, tableContent=null), ArticleFig(id=1228805375877640864, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, label=Fig. 13, caption=
Bearing fault diagnosis experimental device, figureFileSmall=ZmUu8zwFRC9pH92tqw3Nag==, figureFileBig=KmCj8ar1Bvr0yFwD4LwWjQ==, tableContent=null), ArticleFig(id=1228805375974109859, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, label=图13, caption=
轴承故障诊断试验装置, figureFileSmall=ZmUu8zwFRC9pH92tqw3Nag==, figureFileBig=KmCj8ar1Bvr0yFwD4LwWjQ==, tableContent=null), ArticleFig(id=1228805376083161770, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, label=Fig. 14, caption=
Amplitude spectra, transfer functions and coherence coefficients of lateral sensor signals, figureFileSmall=hsA9PrjAlSkdgB9q4f7EdQ==, figureFileBig=88dItq6qMrMw8JBjw/snrA==, tableContent=null), ArticleFig(id=1228805376179630766, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, label=图14, caption=
侧面传感器信号的幅值谱、传递函数和相干系数, figureFileSmall=hsA9PrjAlSkdgB9q4f7EdQ==, figureFileBig=88dItq6qMrMw8JBjw/snrA==, tableContent=null), ArticleFig(id=1228805376280294068, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, label=Fig. 15, caption=
Envelope amplitude spectra of the two resonance peaks at 600 r/min, figureFileSmall=vwrGmIfGKSf1vwFZmRhL/Q==, figureFileBig=W9yXu05zsPpNbrPRod/J5A==, tableContent=null), ArticleFig(id=1228805376355791543, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, label=图15, caption=
600 r/min工况下2个共振峰的包络幅值谱, figureFileSmall=vwrGmIfGKSf1vwFZmRhL/Q==, figureFileBig=W9yXu05zsPpNbrPRod/J5A==, tableContent=null), ArticleFig(id=1228805376431289019, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, label=Fig. 16, caption=
Transfer function of upper and side surface sensors in horizontal direction, figureFileSmall=fnQVsGXlPIt9y3EIasttPA==, figureFileBig=LVhC4KUGLe6T1WcNCmNnzw==, tableContent=null), ArticleFig(id=1228805376494203584, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, label=图16, caption=
上表面和侧面传感器水平方向的传递函数, figureFileSmall=fnQVsGXlPIt9y3EIasttPA==, figureFileBig=LVhC4KUGLe6T1WcNCmNnzw==, tableContent=null), ArticleFig(id=1228805376565506756, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, label=Fig. 17, caption=
Envelope amplitude spectrum of filtered 600 r/min two-channel signal, figureFileSmall=PF8ZKMgcsaP7WCBbdPCPDg==, figureFileBig=vQaVuyKaRmILNY3V1WQodw==, tableContent=null), ArticleFig(id=1228805376661975753, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, label=图17, caption=
600 r/min 两通道信号滤波后的包络幅值谱, figureFileSmall=PF8ZKMgcsaP7WCBbdPCPDg==, figureFileBig=vQaVuyKaRmILNY3V1WQodw==, tableContent=null), ArticleFig(id=1228805376754250444, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, label=Fig. 18, caption=
Amplitude spectrum of vibration acceleration response of faulty bearing at 300 r/min, figureFileSmall=OK+fRGsRfOj8GTXvkhb35Q==, figureFileBig=byWLu4KIFmts3yH38Iqvjg==, tableContent=null), ArticleFig(id=1228805376880079569, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, label=图18, caption=
故障轴承300 r/min 时振动加速度响应的幅值谱, figureFileSmall=OK+fRGsRfOj8GTXvkhb35Q==, figureFileBig=byWLu4KIFmts3yH38Iqvjg==, tableContent=null), ArticleFig(id=1228805377026880213, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, label=Fig. 19, caption=
Envelope spectra amplitudes at different rotational speeds, figureFileSmall=bO+XdGxqbbcf8fX1vcMi+Q==, figureFileBig=SkwP86Y5l+3bL59e6xoIzg==, tableContent=null), ArticleFig(id=1228805377131737818, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, label=图19, caption=
不同转速下的包络幅值谱, figureFileSmall=bO+XdGxqbbcf8fX1vcMi+Q==, figureFileBig=SkwP86Y5l+3bL59e6xoIzg==, tableContent=null), ArticleFig(id=1228805377228206814, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, label=Tab.1, caption=
Basic parameters of simulated signals with different intrinsic frequencies
, figureFileSmall=null, figureFileBig=null, tableContent=
| 信号参数 | 仿真信号编号 |
|---|
| 1 | 2 | 3 | 4 |
|---|
| 故障通过频率/Hz | 100 | 100 | 107 | 107 |
| 固有频率/Hz | 2500 | 4500 | 2500 | 4640 |
), ArticleFig(id=1228805377299509985, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, label=表1, caption=
不同固有频率仿真信号的基本参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 信号参数 | 仿真信号编号 |
|---|
| 1 | 2 | 3 | 4 |
|---|
| 故障通过频率/Hz | 100 | 100 | 107 | 107 |
| 固有频率/Hz | 2500 | 4500 | 2500 | 4640 |
), ArticleFig(id=1228805377387590373, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, label=Tab.2, caption=
Parameters of simulated signals with different damping ratios
, figureFileSmall=null, figureFileBig=null, tableContent=
| 信号参数 | 仿真信号编号 |
|---|
| 5 | 6 | 7 | 8 |
|---|
| 阻尼比 | 0.002 | 0.01 | 0.04 | 0.08 |
), ArticleFig(id=1228805377517613804, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, label=表2, caption=
仿真信号的阻尼比参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 信号参数 | 仿真信号编号 |
|---|
| 5 | 6 | 7 | 8 |
|---|
| 阻尼比 | 0.002 | 0.01 | 0.04 | 0.08 |
), ArticleFig(id=1228805377605694192, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=EN, label=Tab.3, caption=
Basic parameters of simulated signals with different rotational speeds
, figureFileSmall=null, figureFileBig=null, tableContent=
| 信号参数 | 仿真信号编号 |
|---|
| 9 | 10 | 11 | 12 |
|---|
| 输入转频/Hz | 10 | 20 | 40 | 80 |
| 脉冲力幅值/N | 0.5 | 1 | 2 | 4 |
| 故障通过频率/Hz | 50 | 100 | 200 | 400 |
), ArticleFig(id=1228805377681191669, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805365895196697, language=CN, label=表3, caption=
不同转速仿真信号的基本参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 信号参数 | 仿真信号编号 |
|---|
| 9 | 10 | 11 | 12 |
|---|
| 输入转频/Hz | 10 | 20 | 40 | 80 |
| 脉冲力幅值/N | 0.5 | 1 | 2 | 4 |
| 故障通过频率/Hz | 50 | 100 | 200 | 400 |
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