partially supported by the National Natural Science Foundation of China (Grant Nos.51204029, 51525402,51374049,51474050 and U1602232);the Science Career Public Welfare Research Foundation of Liaoning Province (No.2015003001);the Scientific Research Foundationfor the Returned Overseas Chinese Scholars,State Education Ministry (No.50-2).
Microseismicity signals released during rock failure process are firstly recorded using microseismicity monitoring system.A wavelet transform scheme is then developed on the basis of the discrete wavelet transform and...