jgg     2010 30 (Supp.2):  27-30    ISSN: 0412-1961  CN: 21-1139/TG ENERGY ANALYSIS METHOD BASED ON WAVELET PACKET TRANSFORMATION FOR EXPLOSION VIBRATION SIGNAL Xu Xueyong 1,2) ; Feng Qian 1,2) ; and Lei Jingya 1,2) 1) Institute of Seismology, China Earthquake Administration, Wuhan 4300712) Wuhan Institute of Earthquake Engineering, Wuhan 430071 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null