| 基于支持向量机的内蒙古地区台网天然地震与人工爆破的自动识别与分析 |
| |
| 引用本文： | 王禄军,尹战军,翟浩,倪铭,张帆,刘芳.基于支持向量机的内蒙古地区台网天然地震与人工爆破的自动识别与分析[J].大地测量与地球动力学,2022,42(3):326-330. |
| |
| 作者姓名： | 王禄军 尹战军 翟浩 倪铭 张帆 刘芳 |
| |
| 作者单位： | 内蒙古自治区地震局 |
| |
| 基金项目： | 内蒙古自治区地震局局长基金(2021JC02)。 |
| |
| 摘 要： | 基于内蒙古地区及其周边(96°~126°E, 36°~54°N)2016~2021年天然地震和爆破事件，首先采用db7、sym6、rbio1.5小波基函数分别对事件波形进行离散、静态、小波包4层小波分解，然后提取能量比、香农熵、能量熵3种特征参数，最后按照不同的小波分解方式、核函数、支持向量机和特征值随机组合的方式进行288组实验。结果表明，“DWT+υ-SVC+db7+线性核+能量比+香农熵+能量熵”的识别率最高为95%，说明该方法更适合内蒙古地区，可为测震台网识别天然地震和爆破事件提供较为可靠的参考依据。
|
| 关 键 词： | 支持向量机 小波变换 事件自动识别 内蒙古地区 |
Automatic Identification and Analysis of Natural Earthquake and Artificial Blasting in Inner Mongolia Region Seismic Network Based on Support Vector Machine |
| |
| WANG Lujun,YIN Zhanjun,ZHAI Hao,NI Ming,ZHANG Fan,LIU Fang.Automatic Identification and Analysis of Natural Earthquake and Artificial Blasting in Inner Mongolia Region Seismic Network Based on Support Vector Machine[J].Journal of Geodesy and Geodynamics,2022,42(3):326-330. |
| |
| Authors: | WANG Lujun YIN Zhanjun ZHAI Hao NI Ming ZHANG Fan LIU Fang |
| |
| Institution: | (Earthquake Agency of Inner Mongolia Autonomous Region,80 Jirem Road,Hohhot 010010,china) |
| |
| Abstract: | We use natural earthquakes and blasting events in Inner Mongolia and its surrounding areas(96°-126°E,36°-54°N)from 2016 to 2021.Firstly,we use db7,sym6 and rbio1.5 wavelet basis functions to decompose the event waveforms into discrete wavelet,static wavelet and wavelet packet,and then extract three characteristic parameters of energy ratio,Shannon entropy and energy entropy.288 groups of experiments are conducted by random combination of different wavelet decomposition methods,kernel function,support vector machine and eigenvalue.The results show that the highest recognition rate of“DWT+υ-SVC+db7+linear kernel+energy ratio+Shannon entropy+energy entropy”is 95%,which indicates this method is more suitable for Inner Mongolia.It can provide a reliable reference for the identification of natural earthquake and blasting events in seismic network. |
| |
| Keywords: | support vector machine wavelet transform automatic event recognition Inner Mongolia region |
| 本文献已被 维普 等数据库收录！ |
| 点击此处可从《大地测量与地球动力学》浏览原始摘要信息 |
| 点击此处可从《大地测量与地球动力学》下载免费的PDF全文 |
|
