Article(id=1241777708183654576, tenantId=1146029695717560320, journalId=1240670690148397066, issueId=1241777699996368955, articleNumber=null, orderNo=null, doi=10.3963/j.issn.1001-487X.2024.02.025, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1699200000000, receivedDateStr=2023-11-06, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773992476744, onlineDateStr=2026-03-20, pubDate=1717171200000, pubDateStr=2024-06-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773992476744, onlineIssueDateStr=2026-03-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773992476744, creator=13701087609, updateTime=1773992476744, updator=13701087609, issue=Issue{id=1241777699996368955, tenantId=1146029695717560320, journalId=1240670690148397066, year='2024', volume='41', issue='2', pageStart='1', pageEnd='252', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773992474792, creator=13701087609, updateTime=1773992784144, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241778997575619516, tenantId=1146029695717560320, journalId=1240670690148397066, issueId=1241777699996368955, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241778997575619517, tenantId=1146029695717560320, journalId=1240670690148397066, issueId=1241777699996368955, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=203, endPage=211, ext={EN=ArticleExt(id=1241777710373081372, articleId=1241777708183654576, tenantId=1146029695717560320, journalId=1240670690148397066, language=EN, title=Prediction of Blasting Vibration Velocity in Open-pit Mine based on MD-PCA-BP Model, columnId=1240702076553065119, journalTitle=Blasting, columnName=BLASTING SAFETY, runingTitle=null, highlight=null, articleAbstract=
In order to address the problem of predicting blasting vibration in complex geological conditions at open-pit mines, an improved BP neural network prediction model based on Mahalanobis distance discrimination (MD) and principal component analysis (PCA), namely MD-PCA-BP model, is proposed. By combining the monitoring data of blasting vibration at Changtan open-pit mine in Inner Mongolia, outliers in the monitoring data are eliminated using the Mahalanobis distance discrimination method. Then, the principal component analysis method is employed to reduce the dimensionality of factors affecting blasting vibration and obtain three principal component factors. The scores of each principal component factor are calculated, and finally a nonlinear relationship between blasting vibration and principal component scores is constructed through BP neural network to establish the prediction model based on MD-PCA-BP. The results show that the fitting degree between predicted values and measured values of blasting vibration velocity prediction model established based on MD-PCA-BP reaches 0.94, indicating high prediction accuracy of this model. When compared with Sadovsky empirical formula, two improved elevation empirical formulas, MD-BP model, PCA-BP model, and BP model, most of the prediction errors of MD-PCA-BP model are within 10%, demonstrating higher reliability and accuracy compared to empirical formulas and unimproved BP prediction models. The blast vibration prediction model based on MD-PCA-BP exhibits good predictive performance for blast vibration velocity in complex terrains.
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ZHOU Chuan-bo (1963-), male, Anhui, professor, mainly engaged in research on geotechnical engineering and engineering blasting, (E-mail)
cbzhou@cug.edu.cn.
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为解决露天矿山爆破复杂场地地质条件的爆破振动预测问题,提出了一种基于马氏距离判别(MD)和主成分分析(PCA)的改进BP神经网络预测模型,即MD-PCA-BP模型。结合内蒙古长滩露天矿爆破振动监测数结果,利用马氏距离判别法剔除监测数据的离群值,并采用主成分分析法对爆破振动影响因素进行降维处理得到3个主成分因子,计算各主成分因子的得分,最终通过BP神经网络构建爆破振动与主成分得分的非线性关系,建立了基于MD-PCA-BP的爆破振动预测模型。结果表明:基于MD-PCA-BP模型建立的爆破振动速度预测模型预测结果与实测值的拟合度达到0.94,预测模型具有较高的预测精度;将预测结果与萨道夫斯基经验公式、2个改进的高程经验公式、MD-BP模型、PCA-BP模型以及BP模型进行比较,MD-PCA-BP模型的预测误差大部分在10%以内,相较于经验公式和未改进的BP预测模型具有更高的可靠度和准确度。基于MD-PCA-BP的爆破振动预测模型在复杂地形的爆破振动速度预测方面表现出了良好的预测效果,对复杂地形的爆破振动预测具有一定的参考作用。
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赵茉溪(1996-),女,贵州人,博士研究生,主要从事工程爆破与安全技术方面的研究,(E-mail)moxizhao@foxmail.com。
ZHAO Mo-xi (1996-), female, Guizhou, Ph. D Student, mainly engaged in research on engineering blasting and safety technology, (E-mail) moxizhao@foxmail.com.
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1.College of Engineering, China University of Geosciences (Wuhan), Wuhan 430074, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241777718883324734, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, authorId=1241777718635860772, language=CN, stringName=赵茉溪, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.中国地质大学(武汉) 工程学院,武汉 430070, bio={"content":"
赵茉溪(1996-),女,贵州人,博士研究生,主要从事工程爆破与安全技术方面的研究,(E-mail)moxizhao@foxmail.com。
ZHAO Mo-xi (1996-), female, Guizhou, Ph. D Student, mainly engaged in research on engineering blasting and safety technology, (E-mail) moxizhao@foxmail.com.
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赵茉溪(1996-),女,贵州人,博士研究生,主要从事工程爆破与安全技术方面的研究,(E-mail)moxizhao@foxmail.com。
ZHAO Mo-xi (1996-), female, Guizhou, Ph. D Student, mainly engaged in research on engineering blasting and safety technology, (E-mail) moxizhao@foxmail.com.
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2020. (in Chinese), articleTitle=Predicyion of blasting vibration based on artificial neural network and random forest, refAbstract=null)], funds=[Fund(id=1241777729071288606, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, awardId=41972286, language=EN, fundingSource=National Natural Science Foundation of China(41972286), fundOrder=null, country=null), Fund(id=1241777729163563297, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, awardId=41972286, language=CN, fundingSource=国家自然科学基金资助项目(41972286), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1241777718296122106, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, xref=1., ext=[AuthorCompanyExt(id=1241777718304510716, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, companyId=1241777718296122106, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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MD-PCA-BP model prediction process, figureFileSmall=XU8fCr97L5m5FUmQvuk5tw==, figureFileBig=+dHrJ18j20csrG0wILvmLw==, tableContent=null), ArticleFig(id=1241777723752910915, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=CN, label=图1, caption=
MD-PCA-BP模型预测流程, figureFileSmall=XU8fCr97L5m5FUmQvuk5tw==, figureFileBig=+dHrJ18j20csrG0wILvmLw==, tableContent=null), ArticleFig(id=1241777723991986254, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=EN, label=Fig. 2, caption=
Overview of mining areas, figureFileSmall=Y0lsgrWrnxm9fQjb+QiC4w==, figureFileBig=Ieam5wwnvaredPtVnyIcrQ==, tableContent=null), ArticleFig(id=1241777724075872340, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=CN, label=图2, caption=
矿区概貌, figureFileSmall=Y0lsgrWrnxm9fQjb+QiC4w==, figureFileBig=Ieam5wwnvaredPtVnyIcrQ==, tableContent=null), ArticleFig(id=1241777724163952729, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=EN, label=Fig. 3, caption=
Example of monitoring point layout (the 17th Blasting), figureFileSmall=gfcQSX0J4tppZ8DplPvk9w==, figureFileBig=4dW8EEdPgRi6fx090142fQ==, tableContent=null), ArticleFig(id=1241777724281393246, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=CN, label=图3, caption=
监测点布置示例(第17次爆破), figureFileSmall=gfcQSX0J4tppZ8DplPvk9w==, figureFileBig=4dW8EEdPgRi6fx090142fQ==, tableContent=null), ArticleFig(id=1241777724365279332, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=EN, label=Fig. 4, caption=
Empirical model regression diagram, figureFileSmall=d3usUOI+9ehFeP0YDuxTOg==, figureFileBig=+7sZzYsDi24Gr3IR/bFEkg==, tableContent=null), ArticleFig(id=1241777724432388202, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=CN, label=图4, caption=
经验模型回归图, figureFileSmall=d3usUOI+9ehFeP0YDuxTOg==, figureFileBig=+7sZzYsDi24Gr3IR/bFEkg==, tableContent=null), ArticleFig(id=1241777724541440112, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=EN, label=Fig. 5, caption=
Mahalanobis distance without eliminating outliers, figureFileSmall=aZVFvyKKfbun8dXUdex7wA==, figureFileBig=JpOSgezrP74+8nwI+EpIYQ==, tableContent=null), ArticleFig(id=1241777724637909109, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=CN, label=图5, caption=
未剔除离群值的马氏距离, figureFileSmall=aZVFvyKKfbun8dXUdex7wA==, figureFileBig=JpOSgezrP74+8nwI+EpIYQ==, tableContent=null), ArticleFig(id=1241777724746961019, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=EN, label=Fig. 6, caption=
Mahalanobis distance after eliminating outliers, figureFileSmall=FVgym5ans55CiOKlAOp+fw==, figureFileBig=PEm2ay7Inqb7Ob2BZ/L/hA==, tableContent=null), ArticleFig(id=1241777724847624321, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=CN, label=图6, caption=
剔除离群值后的马氏距离, figureFileSmall=FVgym5ans55CiOKlAOp+fw==, figureFileBig=PEm2ay7Inqb7Ob2BZ/L/hA==, tableContent=null), ArticleFig(id=1241777724939899017, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=EN, label=Fig. 7, caption=
Stone map, figureFileSmall=U3iCT3yAjgBB4mEXie+cww==, figureFileBig=9+BnqaZ6FhL3UuKhasyRBA==, tableContent=null), ArticleFig(id=1241777725011202192, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=CN, label=图7, caption=
碎石图, figureFileSmall=U3iCT3yAjgBB4mEXie+cww==, figureFileBig=9+BnqaZ6FhL3UuKhasyRBA==, tableContent=null), ArticleFig(id=1241777725103476885, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=EN, label=Fig. 8, caption=
Contribution rate and cumulative contribution rate of each component, figureFileSmall=rWl8OHwH2hNzOnh/Yfc0Ag==, figureFileBig=sVmIWmIu464pu/E4xdOPjA==, tableContent=null), ArticleFig(id=1241777725233500315, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=CN, label=图8, caption=
各成分贡献率及累积贡献率, figureFileSmall=rWl8OHwH2hNzOnh/Yfc0Ag==, figureFileBig=sVmIWmIu464pu/E4xdOPjA==, tableContent=null), ArticleFig(id=1241777726764421284, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=EN, label=Fig. 9, caption=
Rotated space component diagram, figureFileSmall=eKAyMlyKVMgWw6QVupGSrw==, figureFileBig=JXCpnxBYDGdf63H5WeBoDg==, tableContent=null), ArticleFig(id=1241777726873473195, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=CN, label=图9, caption=
旋转后空间组件图, figureFileSmall=eKAyMlyKVMgWw6QVupGSrw==, figureFileBig=JXCpnxBYDGdf63H5WeBoDg==, tableContent=null), ArticleFig(id=1241777726944776368, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=EN, label=Fig. 10, caption=
MD-PCA-BP prediction is compared with the measured data, figureFileSmall=/eh53CCGhyyVkOHeIAvuzg==, figureFileBig=MA69CCPIl+XnWGboq0eyTw==, tableContent=null), ArticleFig(id=1241777727007690935, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=CN, label=图10, caption=
MD-PCA-BP预测与实测数据对比, figureFileSmall=/eh53CCGhyyVkOHeIAvuzg==, figureFileBig=MA69CCPIl+XnWGboq0eyTw==, tableContent=null), ArticleFig(id=1241777727116742845, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=EN, label=Fig. 11, caption=
The relationship between predicted value and measured value, figureFileSmall=O1V2EGhcRfHQJRiRZwHmQw==, figureFileBig=9xKGKWNUXfnFz/HrcOfMuw==, tableContent=null), ArticleFig(id=1241777727221600449, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=CN, label=图11, caption=
预测值与实测值的关系, figureFileSmall=O1V2EGhcRfHQJRiRZwHmQw==, figureFileBig=9xKGKWNUXfnFz/HrcOfMuw==, tableContent=null), ArticleFig(id=1241777727326458054, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=EN, label=Fig. 12, caption=
Comparison of predicted values and measured values by different methods, figureFileSmall=QA35Sz0p7tt0tVhISZDKfA==, figureFileBig=YZfziJXCySY8DYtMBcmcqA==, tableContent=null), ArticleFig(id=1241777727456481484, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=CN, label=图12, caption=
不同方法预测值与实测值对比, figureFileSmall=QA35Sz0p7tt0tVhISZDKfA==, figureFileBig=YZfziJXCySY8DYtMBcmcqA==, tableContent=null), ArticleFig(id=1241777727578116308, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=EN, label=Fig. 13, caption=
Comparison of relative error of prediction results of different methods, figureFileSmall=MphKMTLresGf2MuGVlQK2w==, figureFileBig=mGec/lav8dUi5kDRMiV5ZQ==, tableContent=null), ArticleFig(id=1241777727703945431, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=CN, label=图13, caption=
不同方法预测结果相对误差对比, figureFileSmall=MphKMTLresGf2MuGVlQK2w==, figureFileBig=mGec/lav8dUi5kDRMiV5ZQ==, tableContent=null), ArticleFig(id=1241777727829774559, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=EN, label=Table 1, caption=
Blasting parameters
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| 爆破参数 | 参数值 | 爆破参数 | 参数值 |
|---|
| 孔径 | 100 mm | 孔数 | 93~277 |
| 孔距 | 6 m | 排距 | 4 m |
| 孔深 | 2~16.5 m | 最大单响 | 4~112 kg |
| 总药量 | 4000~17200 kg | 延时 | 孔间30 ms/排间100 ms |
), ArticleFig(id=1241777727943020773, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=CN, label=表1, caption=
爆破参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 爆破参数 | 参数值 | 爆破参数 | 参数值 |
|---|
| 孔径 | 100 mm | 孔数 | 93~277 |
| 孔距 | 6 m | 排距 | 4 m |
| 孔深 | 2~16.5 m | 最大单响 | 4~112 kg |
| 总药量 | 4000~17200 kg | 延时 | 孔间30 ms/排间100 ms |
), ArticleFig(id=1241777728047878377, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=EN, label=Table 2, caption=
Blasting vibration velocity monitoring results
, figureFileSmall=null, figureFileBig=null, tableContent=
| 组次 | 水平距离/m | 距离/m高程 | 爆心距/m | 孔深/m | 孔数/m | 最大单孔装药量/kg | 总装药量/kg | 爆破振动速度/(cm·s-1) |
|---|
| 1 | 1629.80 | 65 | 1631.10 | 17.5 | 115 | 133 | 15 032 | 0.11 |
| 2 | 1038.10 | -10 | 1038.15 | 9.5 | 137 | 71 | 8816 | 0.06 |
| 3 | 478.87 | 25 | 479.52 | 4.0 | 78 | 21 | 1768 | 0.06 |
| 4 | 285.00 | -85 | 297.41 | 16.5 | 80 | 125 | 10 168 | 1.23 |
| 5 | 439.11 | 10 | 439.22 | 16.5 | 80 | 125 | 10 168 | 0.86 |
| … | … | … | … | … | … | … | … | … |
| 55 | 651.51 | 5 | 651.53 | 16.5 | 80 | 125 | 10 168 | 0.21 |
| 56 | 557.63 | -70 | 562.01 | 16.5 | 257 | 116 | 13 936 | 0.48 |
| 57 | 599.82 | 25 | 600.34 | 16.5 | 257 | 116 | 13 936 | 0.29 |
| 58 | 722.73 | 20 | 723.01 | 16.5 | 257 | 116 | 13 936 | 0.23 |
| 59 | 731.66 | 20 | 731.93 | 16.5 | 257 | 116 | 13 936 | 0.12 |
), ArticleFig(id=1241777728140153073, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=CN, label=表2, caption=
爆破振动速度监测结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 组次 | 水平距离/m | 距离/m高程 | 爆心距/m | 孔深/m | 孔数/m | 最大单孔装药量/kg | 总装药量/kg | 爆破振动速度/(cm·s-1) |
|---|
| 1 | 1629.80 | 65 | 1631.10 | 17.5 | 115 | 133 | 15 032 | 0.11 |
| 2 | 1038.10 | -10 | 1038.15 | 9.5 | 137 | 71 | 8816 | 0.06 |
| 3 | 478.87 | 25 | 479.52 | 4.0 | 78 | 21 | 1768 | 0.06 |
| 4 | 285.00 | -85 | 297.41 | 16.5 | 80 | 125 | 10 168 | 1.23 |
| 5 | 439.11 | 10 | 439.22 | 16.5 | 80 | 125 | 10 168 | 0.86 |
| … | … | … | … | … | … | … | … | … |
| 55 | 651.51 | 5 | 651.53 | 16.5 | 80 | 125 | 10 168 | 0.21 |
| 56 | 557.63 | -70 | 562.01 | 16.5 | 257 | 116 | 13 936 | 0.48 |
| 57 | 599.82 | 25 | 600.34 | 16.5 | 257 | 116 | 13 936 | 0.29 |
| 58 | 722.73 | 20 | 723.01 | 16.5 | 257 | 116 | 13 936 | 0.23 |
| 59 | 731.66 | 20 | 731.93 | 16.5 | 257 | 116 | 13 936 | 0.12 |
), ArticleFig(id=1241777728236622067, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=EN, label=Table 3, caption=
Empirical formula regression analysis results
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 经验公式名称 | 经验公式模型 | 拟合度 |
|---|
| 1 | 萨道夫斯基公式 | V=2669.21(Q1/3/R)1.93 | 0.582 |
| 2 | 长江科学院改进公式 | V=2697.37(Q1/3/R)1.91(Q1/3/H)0.11 | 0.592 |
| 3 | 其他高程改进公式 | V=2699.22(Q1/3/R)2.01(H/R)-0.11 | 0.592 |
), ArticleFig(id=1241777728345673976, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=CN, label=表3, caption=
经验公式拟合结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 经验公式名称 | 经验公式模型 | 拟合度 |
|---|
| 1 | 萨道夫斯基公式 | V=2669.21(Q1/3/R)1.93 | 0.582 |
| 2 | 长江科学院改进公式 | V=2697.37(Q1/3/R)1.91(Q1/3/H)0.11 | 0.592 |
| 3 | 其他高程改进公式 | V=2699.22(Q1/3/R)2.01(H/R)-0.11 | 0.592 |
), ArticleFig(id=1241777728442142973, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=EN, label=Table 4, caption=
Correlation matrix
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 水平距离X1 | 高程距离X2 | 孔深X3 | 孔数X4 | 最大单响X5 | 总装药量X6 |
|---|
| 水平距离X1 | 1.000 | 0.705 | -0.347 | 0.202 | -0.356 | 0.114 |
| 高程距离X2 | 0.705 | 1.000 | -0.254 | -0.045 | -0.270 | -0.163 |
| 孔深X3 | -0.347 | -0.254 | 1.000 | -0.110 | 0.985 | 0.668 |
| 孔数X4 | 0.202 | -0.045 | -0.110 | 1.000 | -0.209 | 0.528 |
| 最大单响X5 | -0.356 | -0.270 | 0.985 | -0.209 | 1.000 | 0.616 |
| 总装药量X6 | 0.114 | -0.163 | 0.668 | 0.528 | 0.616 | 1.000 |
), ArticleFig(id=1241777728551194883, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=CN, label=表4, caption=
相关性矩阵
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 水平距离X1 | 高程距离X2 | 孔深X3 | 孔数X4 | 最大单响X5 | 总装药量X6 |
|---|
| 水平距离X1 | 1.000 | 0.705 | -0.347 | 0.202 | -0.356 | 0.114 |
| 高程距离X2 | 0.705 | 1.000 | -0.254 | -0.045 | -0.270 | -0.163 |
| 孔深X3 | -0.347 | -0.254 | 1.000 | -0.110 | 0.985 | 0.668 |
| 孔数X4 | 0.202 | -0.045 | -0.110 | 1.000 | -0.209 | 0.528 |
| 最大单响X5 | -0.356 | -0.270 | 0.985 | -0.209 | 1.000 | 0.616 |
| 总装药量X6 | 0.114 | -0.163 | 0.668 | 0.528 | 0.616 | 1.000 |
), ArticleFig(id=1241777728664441098, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=EN, label=Table 5, caption=
Rotated component matrix
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 成分 |
|---|
| 1 | 2 | 3 |
|---|
| 孔深 | 0.975 | -0.182 | -0.021 |
| 最大单响 | 0.972 | -0.192 | -0.108 |
| 总药量 | 0.728 | 0.058 | 0.660 |
| 水平距离 | -0.116 | 0.922 | -0.151 |
| 高程距离 | -0.161 | 0.901 | 0.232 |
| 孔数 | -0.110 | 0.024 | 0.969 |
), ArticleFig(id=1241777728756715790, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=CN, label=表5, caption=
旋转后的成分矩阵
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 成分 |
|---|
| 1 | 2 | 3 |
|---|
| 孔深 | 0.975 | -0.182 | -0.021 |
| 最大单响 | 0.972 | -0.192 | -0.108 |
| 总药量 | 0.728 | 0.058 | 0.660 |
| 水平距离 | -0.116 | 0.922 | -0.151 |
| 高程距离 | -0.161 | 0.901 | 0.232 |
| 孔数 | -0.110 | 0.024 | 0.969 |
), ArticleFig(id=1241777728874156306, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=EN, label=Table 6, caption=
The score of each principal component
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 主成分成分得分 |
|---|
| 主成分1 | 主成分2 | 主成分3 |
|---|
| 1 | 1.49089 | 2.22448 | 0.17548 |
| 2 | -1.26427 | -0.27869 | 0.32211 |
| 3 | -3.14688 | -0.85039 | -1.10849 |
| 4 | 0.26243 | -2.37880 | -0.36051 |
| 5 | 0.55919 | -0.62477 | -0.78958 |
| … | … | … | … |
| 50 | 0.39053 | -0.19327 | -0.66365 |
| 51 | 0.39449 | -0.15030 | -0.65591 |
| 52 | 0.79371 | 2.14927 | 0.63913 |
| 53 | 0.80940 | 2.39652 | 0.72292 |
| 54 | -2.95995 | 1.18899 | 0.01394 |
), ArticleFig(id=1241777728953848086, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777708183654576, language=CN, label=表6, caption=
各主成分的得分
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 主成分成分得分 |
|---|
| 主成分1 | 主成分2 | 主成分3 |
|---|
| 1 | 1.49089 | 2.22448 | 0.17548 |
| 2 | -1.26427 | -0.27869 | 0.32211 |
| 3 | -3.14688 | -0.85039 | -1.10849 |
| 4 | 0.26243 | -2.37880 | -0.36051 |
| 5 | 0.55919 | -0.62477 | -0.78958 |
| … | … | … | … |
| 50 | 0.39053 | -0.19327 | -0.66365 |
| 51 | 0.39449 | -0.15030 | -0.65591 |
| 52 | 0.79371 | 2.14927 | 0.63913 |
| 53 | 0.80940 | 2.39652 | 0.72292 |
| 54 | -2.95995 | 1.18899 | 0.01394 |
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