Article(id=1236327866376442286, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236327863171993957, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2023.02.008, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1669132800000, receivedDateStr=2022-11-23, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1772693133205, onlineDateStr=2026-03-05, pubDate=1680278400000, pubDateStr=2023-04-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772693133205, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772693133205, creator=13701087609, updateTime=1772693133205, updator=13701087609, issue=Issue{id=1236327863171993957, tenantId=1146029695717560320, journalId=1235980550691926019, year='2023', volume='43', issue='2', 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=null, createTime=1772693132441, creator=13701087609, updateTime=1772693403732, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236329001107640372, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236327863171993957, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236329001107640373, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236327863171993957, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=35, endPage=39, ext={EN=ArticleExt(id=1236327866628100537, articleId=1236327866376442286, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Study of Frequency Bands vs Energy Distribution of Blast Vibration Signals Based on EEMD and Hilbert Transform, columnId=1236276106018484431, journalTitle=Mining and Metallurgical Engineering, columnName=MINING, runingTitle=null, highlight=null, articleAbstract=

In order to study the energy distribution of blast wave propagation, the EEMD and Hilbert transform techniques were adopted to analyze the blast vibration signals at the same measuring point in different directions, on the same line with different distance away from explosion center, as well as with the same distance away from explosion center but with different maximum charges. It is found that vertical signal energy is mainly concentrated in the midbands, while the radial signal energy in horizontal direction is distributed in both the mid- and low-bands, and tangential signal energy in the horizontal direction is mainly concentrated in the high-bands. Under the same monitoring, a greater attenuation is found in high frequency energy and the proportion of signal energy distribution shifts from high-bands to low-bands as the distance is farther away from the explosion center. However, with the same distance away from the explosion center, increasing the maximum charge in a single stage can lead to higher proportion of low frequency energy, and significantly increased charge can bring more obvious effect.

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为研究爆破地震波传播时的能量分布规律，以某基坑爆破工程为工程背景，利用EEMD-Hilbert工具，分析了同一测点不同方向、同直线不同爆心距以及同爆心距离不同最大段药量的爆破振动信号。结果表明，垂向信号能量主要集中在中频带，水平径向信号能量在中、低频带均有分布，水平切向信号能量主要集中在高频带；同次监测下，随着爆心距增大，信号高频能量衰减得更快，信号能量分布占比从高频向低频转移；爆心距相等的情况下，增加单段最大药量会促进信号低频能量占比增加，药量显著增大时，低频信号占比增加更为显著。

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任艳民（1989—），男，河南太康人，硕士，高级工程师，主要从事爆破工程、安全工程、矿山工程方面的研究工作。

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任艳民（1989—），男，河南太康人，硕士，高级工程师，主要从事爆破工程、安全工程、矿山工程方面的研究工作。

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