[1]马华原①,李斌利①②,郭涛①.核电站扩建工程爆破开挖振动信号的HHT分析[J].爆破器材,2016,45(05):50-55.[doi:10.3969/j.issn.1001-8352.2016.05.011]
　MA Huayuan,LI Binli,GUO Tao.HHT Analysis on Vibration Signal of Blasting Excavation in Expansion of Nuclear Power Station[J].EXPLOSIVE MATERIALS,2016,45(05):50-55.[doi:10.3969/j.issn.1001-8352.2016.05.011]
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核电站扩建工程爆破开挖振动信号的HHT分析()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
45
期数:
2016年05
页码:
50-55
栏目:
爆破技术
出版日期:
2016-09-30

文章信息/Info

Title:
HHT Analysis on Vibration Signal of Blasting Excavation in Expansion of Nuclear Power Station
文章编号:
5028
作者:
马华原①; 李斌利①②; 郭涛①
①解放军理工大学野战工程学院（江苏南京,210007）
②中国人民解放军96518部队（湖南怀化，418000）
Author(s):
MA Huayuan①;  LI Binli①②;  GUO Tao①
①College of Filed Engineering, PLA University of Science and Technology (Jiangsu Nanjing, 210007)
②Unit 96518 (Hunan Huaihua, 418000)
关键词:
爆破振动; Hilbert-Huang变换; Hilbert谱; 瞬时能量
Keywords:
blasting vibration;  Hilbert-Huang transform;  Hilbert spectrum;  instantaneous energy
分类号:
TD235.1;O382
DOI:
10.3969/j.issn.1001-8352.2016.05.011
文献标志码:
A
摘要:
通过对田湾核电站二期扩建工程爆破施工的振动监测，得到了大量的试验数据，经由Hilbert-Huang变换(HHT)方法处理，分析论证了此方法运用于爆破地震波处理的科学性和可行性。第一步，用经验模态分解信号，得到了振动信号的固有模态分量，考虑到噪声信号的干扰，又对信号进行了改进算法的滤波处理；之后，对各个分量进行Hilbert变换，得到了信号的时频能量谱;针对时频能量谱分析，得到了信号的时频特性;从得到的瞬时能量谱中得到了3段微差起爆的间隔时间，为检测雷管的质量提供了新方法;而边际谱分析提供了一个频域分析的新角度。
Abstract:
Based on the blasting vibration monitoring in second-phase expansion project of Tianwan Nuclear Power Station, a lot of experimental data were obtained. Through the Hilbert-Huang Transform (HHT) method, the scientific and technical feasibility of this method using on treatment of blasting seismic wave were verified. At first, the EMD method was used to decompose the signal to get the IMF, and the interference of the noise signal was considered and filtered. From Hilbert transform for each component, the time-frequency energy spectrum of the signal was derived. According to the time frequency energy spectrum analysis, timefrequency characteristic of the signal was represented. Intervals of differential initiation were obtained from instantaneous energy spectrum, which provides a new method to test the quality of detonator. Furthermore, marginal spectrum provides a new perspective in frequency-domain analysis.

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备注/Memo

备注/Memo:
收稿日期：2015-10-15
作者简介：马华原(1992－)，男，硕士研究生，主要从事爆破技术研究工作。E-mail：503812350@qq.com
通信作者：李斌利（1973－），男，硕士研究生，主要从事兵器与爆破技术研究。E-mail：blastingcaptain@163.com
更新日期/Last Update: 2016-09-30