基于小波变换方法的爆破、塌陷和地震信号分析

摘要

采用M atlab的小波变换方法，对山西省数字化台网记录的爆破、塌陷与地震信号进行了6层多尺度分解，通过比较、分析，得出爆破、塌陷与地震信号在各层分解后存在一定的差异，该研究为识别非天然地震中的爆破、塌陷提供了有效的方法。%By using wavelet transform provided in Matlab ,blasting ,collapse and seismic signals recorded in Shanxi digital seismic network are decomposed into 6 grades in multi-scale .It is concluded that some differences exist among blasting ,collapse and seismic signals at various grades of decomposition ,which would be an effective method to identify artificial earthquakes such as blasting and collapse .