Article(id=1228295803626778829, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228295801890336965, articleNumber=null, orderNo=null, doi=10.16385/j.cnki.issn.1004-4523.2025.02.016, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1678118400000, receivedDateStr=2023-03-07, revisedDate=1682524800000, revisedDateStr=2023-04-27, acceptedDate=null, acceptedDateStr=null, onlineDate=1770778140216, onlineDateStr=2026-02-11, pubDate=1739116800000, pubDateStr=2025-02-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1770778140216, onlineIssueDateStr=2026-02-11, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1770778140216, creator=13701087609, updateTime=1770778140216, updator=13701087609, issue=Issue{id=1228295801890336965, tenantId=1146029695717560320, journalId=1225147924628267009, year='2025', volume='38', issue='2', pageStart='223', pageEnd='448', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1770778139803, creator=13701087609, updateTime=1770949100774, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1229012864237760763, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228295801890336965, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1229012864237760764, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228295801890336965, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=375, endPage=382, ext={EN=ArticleExt(id=1228295803878437071, articleId=1228295803626778829, tenantId=1146029695717560320, journalId=1225147924628267009, language=EN, title=Robustness optimization for the powertrain mounting system of electric vehicle considering parametric uncertainty and correlation, columnId=null, journalTitle=Journal of Vibration Engineering, columnName=null, runingTitle=null, highlight=null, articleAbstract=
This study addresses the complex scenario where the parameters of the powertrain mounting system (PMS) of an electric vehicle exhibit both uncertainty and correlation. A robust design optimization method for the PMS, considering parametric uncertainty and correlation, is investigated. Firstly, based on Nataf transform and Monte Carlo sampling, the Nataf-Monte Carlo(NMC) method is proposed for the uncertainty and correlation analysis of PMS inherent characteristics, where the probabilistic parameters are correlated. Then, an efficient method, the Nataf-arbitrary polynomial chaos expansion (NAPCE) method, is derived for PMS response analysis by integrating Nataf transformation with arbitrary polynomial chaos expansion. Next, based on the NAPCE method and correlation coefficient weighting method, a robust design optimization method for PMS is developed, accounting for the uncertainty and correlation of responses. Finally, a numerical example is used to verify the effectiveness of the proposed method, and the robust optimization of the system is carried out. The results show that, compared to the NMC method, the NAPCE method offers good computational accuracy and efficiency for analyzing uncertainty and correlation in PMS responses. The proposed optimization method can configure the PMS parameters reasonably and improve the robustness of system.
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针对电动汽车动力总成悬置系统(PMS)参数同时具有不确定性和相关性的复杂情形,本文开展了考虑参数不确定性和相关性的电动汽车PMS稳健性优化设计研究。基于Nataf变换和蒙特卡罗抽样提出了一种概率参数相关情形下的PMS固有特性响应不确定性和相关性分析的Nataf-蒙特卡罗(NMC)方法;结合Nataf变换和任意多项式混沌展开推导了一种高效求解PMS响应不确定性和相关性的Nataf-任意多项式混沌展开(NAPCE)方法;基于NAPCE方法和相关系数赋权法提出了一种考虑响应不确定性和相关性的PMS稳健性优化设计方法;通过算例验证了所提方法的有效性,并对系统进行了稳健性优化。结果表明,以NMC方法作为参考,NAPCE方法在求解PMS固有特性响应的不确定性和相关性方面具有良好的计算精度和效率;提出的优化方法能够合理配置系统参数,提高系统稳健性。
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2014(11):143-146., articleTitle=Determining of correlation weights of index in the tailing dam risk assessment, refAbstract=null)], funds=[Fund(id=1228313058813080327, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, awardId=51975217, language=CN, fundingSource=国家自然科学基金资助项目(51975217), fundOrder=null, country=null), Fund(id=1228313058922132237, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, awardId=2023A1515011585, language=CN, fundingSource=广东省自然科学基金资助项目(2023A1515011585), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1228313049514308008, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, xref=1., ext=[AuthorCompanyExt(id=1228313049522696617, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, companyId=1228313049514308008, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.广州城市理工学院汽车与交通工程学院,广东 广州 510800)])], figs=[ArticleFig(id=1228313054304203387, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=EN, label=Fig. 1, caption=
Six degrees of freedom model of electric vehicle PMS, figureFileSmall=tTCx86a1HTVaSxFy2gleGA==, figureFileBig=4wcTp+ElF/07/PGqAJIHCQ==, tableContent=null), ArticleFig(id=1228313054409060994, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=CN, label=图1, caption=
电动汽车PMS六自由度模型, figureFileSmall=tTCx86a1HTVaSxFy2gleGA==, figureFileBig=4wcTp+ElF/07/PGqAJIHCQ==, tableContent=null), ArticleFig(id=1228313054509724296, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=EN, label=Fig. 2, caption=
Analysis flow of uncertainty and correlation of PMS, figureFileSmall=C78gj3UQqt6CdPIGn3EVMw==, figureFileBig=+tyCU1tCIJ21jbkdFLoxDg==, tableContent=null), ArticleFig(id=1228313054597804686, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=CN, label=图2, caption=
PMS不确定性和相关性分析流程, figureFileSmall=C78gj3UQqt6CdPIGn3EVMw==, figureFileBig=+tyCU1tCIJ21jbkdFLoxDg==, tableContent=null), ArticleFig(id=1228313054702662294, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=EN, label=Fig. 3, caption=
Analysis model of a PMS, figureFileSmall=uptq7IV6chRQRoY6unnKuw==, figureFileBig=WedlYXnoPwX/mazEplEJIg==, tableContent=null), ArticleFig(id=1228313054794936987, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=CN, label=图3, caption=
某PMS分析模型, figureFileSmall=uptq7IV6chRQRoY6unnKuw==, figureFileBig=WedlYXnoPwX/mazEplEJIg==, tableContent=null), ArticleFig(id=1228313054920766110, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=EN, label=Fig. 4, caption=
The boundaries of PMS responses in different uncertainty levels, figureFileSmall=dy7W16v8WQOClHKLuFb6WA==, figureFileBig=aFD/NMzXJAUPhMkdmpRmvw==, tableContent=null), ArticleFig(id=1228313055013040800, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=CN, label=图4, caption=
不同确定水平下PMS响应的边界, figureFileSmall=dy7W16v8WQOClHKLuFb6WA==, figureFileBig=aFD/NMzXJAUPhMkdmpRmvw==, tableContent=null), ArticleFig(id=1228313055130481320, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=EN, label=Fig. 5, caption=
Correlation coefficients between PMS responses, figureFileSmall=5Ebd7Sj7I0Wg0na8QXmU1Q==, figureFileBig=v1bKSBPykxnVRq+jhNFKxw==, tableContent=null), ArticleFig(id=1228313055222756012, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=CN, label=图5, caption=
PMS响应之间的相关系数, figureFileSmall=5Ebd7Sj7I0Wg0na8QXmU1Q==, figureFileBig=v1bKSBPykxnVRq+jhNFKxw==, tableContent=null), ArticleFig(id=1228313055373750963, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=EN, label=Fig. 6, caption=
The boundaries of PMS responses in different correlation levels, figureFileSmall=Y5QH89nY9WxOs3M7Z2GOLw==, figureFileBig=KS/lLeJ0G3di4s8q+6Lrmw==, tableContent=null), ArticleFig(id=1228313055461831350, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=CN, label=图6, caption=
不同相关性水平下PMS响应的边界, figureFileSmall=Y5QH89nY9WxOs3M7Z2GOLw==, figureFileBig=KS/lLeJ0G3di4s8q+6Lrmw==, tableContent=null), ArticleFig(id=1228313055549911737, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=EN, label=Fig. 7, caption=
The boundaries of PMS responses before and after optimization, figureFileSmall=hhieOlyMPq/164GORhh75Q==, figureFileBig=WhCbKD/PNemQqmsoDi0rIg==, tableContent=null), ArticleFig(id=1228313055663157949, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=CN, label=图7, caption=
优化前/后PMS响应的边界, figureFileSmall=hhieOlyMPq/164GORhh75Q==, figureFileBig=WhCbKD/PNemQqmsoDi0rIg==, tableContent=null), ArticleFig(id=1228313055747044033, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=EN, label=Tab. 1, caption=
Moment of inertia and product of inertia of powertrain
, figureFileSmall=null, figureFileBig=null, tableContent=
| 转动惯量/(kg∙m2) | 惯性积/(10-16 kg∙m2) |
|---|
| IXX | IYY | IZZ | IXY | IYZ | IZX |
|---|
| 0.59 | 1.49 | 1.60 | -2.45 | -0.11 | 1.77 |
), ArticleFig(id=1228313055843513030, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=CN, label=表1, caption=
总成的转动惯量和惯性积
, figureFileSmall=null, figureFileBig=null, tableContent=
| 转动惯量/(kg∙m2) | 惯性积/(10-16 kg∙m2) |
|---|
| IXX | IYY | IZZ | IXY | IYZ | IZX |
|---|
| 0.59 | 1.49 | 1.60 | -2.45 | -0.11 | 1.77 |
), ArticleFig(id=1228313055931593419, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=EN, label=Tab. 2, caption=
Distribution types,mean values and standard deviations of suspension stiffness
, figureFileSmall=null, figureFileBig=null, tableContent=
| 悬置名称 | 悬置刚度 | 分布类型 | 均值/(N∙mm-1) | 标准差/(N∙mm-1) |
|---|
| 悬置1 | Ku1 | 对数正态 | 87.98 | 0.93 |
| Kv1 | 对数正态 | 60.12 | 0.50 |
| Kw1 | 对数正态 | 132.94 | 0.95 |
| 悬置2 | Ku2 | 对数正态 | 144.67 | 1.52 |
| Kv2 | 对数正态 | 98.73 | 0.82 |
| Kw2 | 对数正态 | 84.56 | 0.61 |
| 悬置3 | Ku3 | 对数正态 | 79.18 | 0.83 |
| Kv3 | 对数正态 | 78.69 | 0.65 |
| Kw3 | 对数正态 | 149.56 | 1.07 |
), ArticleFig(id=1228313056061616846, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=CN, label=表2, caption=
悬置刚度的分布类型、均值及标准差
, figureFileSmall=null, figureFileBig=null, tableContent=
| 悬置名称 | 悬置刚度 | 分布类型 | 均值/(N∙mm-1) | 标准差/(N∙mm-1) |
|---|
| 悬置1 | Ku1 | 对数正态 | 87.98 | 0.93 |
| Kv1 | 对数正态 | 60.12 | 0.50 |
| Kw1 | 对数正态 | 132.94 | 0.95 |
| 悬置2 | Ku2 | 对数正态 | 144.67 | 1.52 |
| Kv2 | 对数正态 | 98.73 | 0.82 |
| Kw2 | 对数正态 | 84.56 | 0.61 |
| 悬置3 | Ku3 | 对数正态 | 79.18 | 0.83 |
| Kv3 | 对数正态 | 78.69 | 0.65 |
| Kw3 | 对数正态 | 149.56 | 1.07 |
), ArticleFig(id=1228313056183251669, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=EN, label=Tab. 3, caption=
The installed locations of each mount
, figureFileSmall=null, figureFileBig=null, tableContent=
| 悬置名称 | X/mm | Y/mm | Z/mm |
|---|
| 悬置1 | -128 | -83 | 58 |
| 悬置2 | 0 | 352 | 34 |
| 悬置3 | 303 | -83 | 58 |
), ArticleFig(id=1228313056296497882, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=CN, label=表3, caption=
悬置安装位置
, figureFileSmall=null, figureFileBig=null, tableContent=
| 悬置名称 | X/mm | Y/mm | Z/mm |
|---|
| 悬置1 | -128 | -83 | 58 |
| 悬置2 | 0 | 352 | 34 |
| 悬置3 | 303 | -83 | 58 |
), ArticleFig(id=1228313056388772572, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=EN, label=Tab. 4, caption=
The inherent characteristic of Bounce direction
, figureFileSmall=null, figureFileBig=null, tableContent=
| 标准差 | NMC方法 | NAPCE方法 |
|---|
| efB/Hz | σfB/Hz | edB/% | σdB/% | efB/Hz | σfB/Hz | edB/% | σdB/% |
|---|
| σx | 9.64 | 0.02 | 84.92 | 0.51 | 9.71 | 0.02 | 84.93 | 0.49 |
| 2σx | 9.64 | 0.04 | 84.88 | 1.01 | 9.66 | 0.04 | 84.88 | 1.00 |
| 3σx | 9.63 | 0.07 | 84.82 | 1.52 | 9.61 | 0.07 | 84.82 | 1.52 |
| 4σx | 9.63 | 0.09 | 84.74 | 2.03 | 9.56 | 0.09 | 84.74 | 2.06 |
| 5σx | 9.63 | 0.11 | 84.65 | 2.55 | 9.52 | 0.11 | 84.64 | 2.61 |
| 6σx | 9.63 | 0.13 | 84.54 | 3.08 | 9.47 | 0.13 | 84.52 | 3.18 |
), ArticleFig(id=1228313056481047266, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=CN, label=表4, caption=
Bounce方向固有特性
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| 标准差 | NMC方法 | NAPCE方法 |
|---|
| efB/Hz | σfB/Hz | edB/% | σdB/% | efB/Hz | σfB/Hz | edB/% | σdB/% |
|---|
| σx | 9.64 | 0.02 | 84.92 | 0.51 | 9.71 | 0.02 | 84.93 | 0.49 |
| 2σx | 9.64 | 0.04 | 84.88 | 1.01 | 9.66 | 0.04 | 84.88 | 1.00 |
| 3σx | 9.63 | 0.07 | 84.82 | 1.52 | 9.61 | 0.07 | 84.82 | 1.52 |
| 4σx | 9.63 | 0.09 | 84.74 | 2.03 | 9.56 | 0.09 | 84.74 | 2.06 |
| 5σx | 9.63 | 0.11 | 84.65 | 2.55 | 9.52 | 0.11 | 84.64 | 2.61 |
| 6σx | 9.63 | 0.13 | 84.54 | 3.08 | 9.47 | 0.13 | 84.52 | 3.18 |
), ArticleFig(id=1228313056585904870, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=EN, label=Tab. 5, caption=
The inherent characteristic of Pitch direction
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| 标准差 | NMC方法 | NAPCE方法 |
|---|
| efP/Hz | σfP/Hz | edP/% | σdP/% | efP/Hz | σfP/Hz | edP/% | σdP/% |
|---|
| σx | 16.44 | 0.04 | 85.45 | 0.21 | 16.55 | 0.04 | 85.45 | 0.20 |
| 2σx | 16.43 | 0.08 | 85.44 | 0.41 | 16.47 | 0.08 | 85.44 | 0.41 |
| 3σx | 16.43 | 0.13 | 85.43 | 0.62 | 16.39 | 0.13 | 85.43 | 0.62 |
| 4σx | 16.43 | 0.17 | 85.42 | 0.83 | 16.31 | 0.17 | 85.42 | 0.83 |
| 5σx | 16.43 | 0.21 | 85.40 | 1.04 | 16.23 | 0.21 | 85.40 | 1.05 |
| 6σx | 16.42 | 0.25 | 85.37 | 1.25 | 16.15 | 0.26 | 85.37 | 1.27 |
), ArticleFig(id=1228313056699151081, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=CN, label=表5, caption=
Pitch方向固有特性
, figureFileSmall=null, figureFileBig=null, tableContent=
| 标准差 | NMC方法 | NAPCE方法 |
|---|
| efP/Hz | σfP/Hz | edP/% | σdP/% | efP/Hz | σfP/Hz | edP/% | σdP/% |
|---|
| σx | 16.44 | 0.04 | 85.45 | 0.21 | 16.55 | 0.04 | 85.45 | 0.20 |
| 2σx | 16.43 | 0.08 | 85.44 | 0.41 | 16.47 | 0.08 | 85.44 | 0.41 |
| 3σx | 16.43 | 0.13 | 85.43 | 0.62 | 16.39 | 0.13 | 85.43 | 0.62 |
| 4σx | 16.43 | 0.17 | 85.42 | 0.83 | 16.31 | 0.17 | 85.42 | 0.83 |
| 5σx | 16.43 | 0.21 | 85.40 | 1.04 | 16.23 | 0.21 | 85.40 | 1.05 |
| 6σx | 16.42 | 0.25 | 85.37 | 1.25 | 16.15 | 0.26 | 85.37 | 1.27 |
), ArticleFig(id=1228313056816591597, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=EN, label=Tab. 6, caption=
Relative errors calculated by NAPCE method
, figureFileSmall=null, figureFileBig=null, tableContent=
| 标准差 | 相对误差/% |
|---|
| efB | σfB | σdB | efP | σfP | σdP |
|---|
| σx | 0.71 | 1.37 | 2.04 | 0.71 | 1.33 | 2.27 |
| 2σx | 0.24 | 0.90 | 0.89 | 0.24 | 0.79 | 1.41 |
| 3σx | 0.24 | 0.41 | 0.21 | 0.24 | 0.24 | 0.54 |
| 4σx | 0.72 | 0.10 | 1.27 | 0.72 | 0.31 | 0.34 |
| 5σx | 1.20 | 0.61 | 2.30 | 1.20 | 0.87 | 1.25 |
| 6σx | 1.68 | 1.14 | 3.31 | 1.68 | 1.44 | 2.18 |
), ArticleFig(id=1228313058213294833, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=CN, label=表6, caption=
NAPCE方法计算的相对误差
, figureFileSmall=null, figureFileBig=null, tableContent=
| 标准差 | 相对误差/% |
|---|
| efB | σfB | σdB | efP | σfP | σdP |
|---|
| σx | 0.71 | 1.37 | 2.04 | 0.71 | 1.33 | 2.27 |
| 2σx | 0.24 | 0.90 | 0.89 | 0.24 | 0.79 | 1.41 |
| 3σx | 0.24 | 0.41 | 0.21 | 0.24 | 0.24 | 0.54 |
| 4σx | 0.72 | 0.10 | 1.27 | 0.72 | 0.31 | 0.34 |
| 5σx | 1.20 | 0.61 | 2.30 | 1.20 | 0.87 | 1.25 |
| 6σx | 1.68 | 1.14 | 3.31 | 1.68 | 1.44 | 2.18 |
), ArticleFig(id=1228313058326541043, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=EN, label=Tab. 7, caption=
The mounting stiffness after optimization
, figureFileSmall=null, figureFileBig=null, tableContent=
| 悬置名称 | Ku/(N∙mm-1) | Kv/(N∙mm-1) | Kw/(N∙mm-1) |
|---|
| 悬置1 | 60.34 | 75.98 | 189.67 |
| 悬置2 | 141.25 | 125.77 | 106.64 |
| 悬置3 | 79.89 | 80.07 | 150.13 |
), ArticleFig(id=1228313058397844213, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=CN, label=表7, caption=
优化后的悬置刚度
, figureFileSmall=null, figureFileBig=null, tableContent=
| 悬置名称 | Ku/(N∙mm-1) | Kv/(N∙mm-1) | Kw/(N∙mm-1) |
|---|
| 悬置1 | 60.34 | 75.98 | 189.67 |
| 悬置2 | 141.25 | 125.77 | 106.64 |
| 悬置3 | 79.89 | 80.07 | 150.13 |
), ArticleFig(id=1228313058481730299, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=EN, label=Tab. 8, caption=
The mean values and standard deviations before and after optimization
, figureFileSmall=null, figureFileBig=null, tableContent=
| 响应 | 优化前 | 优化后 |
|---|
| 均值 | 标准差 | 均值 | 标准差 |
|---|
| fB/Hz | 9.63 | 0.13 | 10.80 | 0.16 |
| fP/Hz | 16.42 | 0.25 | 16.75 | 0.26 |
| dB/% | 84.55 | 3.07 | 96.59 | 1.02 |
| dP/% | 85.38 | 1.23 | 91.61 | 1.01 |
), ArticleFig(id=1228313058578199295, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295803626778829, language=CN, label=表8, caption=
优化前/后的均值和标准差
, figureFileSmall=null, figureFileBig=null, tableContent=
| 响应 | 优化前 | 优化后 |
|---|
| 均值 | 标准差 | 均值 | 标准差 |
|---|
| fB/Hz | 9.63 | 0.13 | 10.80 | 0.16 |
| fP/Hz | 16.42 | 0.25 | 16.75 | 0.26 |
| dB/% | 84.55 | 3.07 | 96.59 | 1.02 |
| dP/% | 85.38 | 1.23 | 91.61 | 1.01 |
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