Signal extraction and wave field separation in tunnel seismic prediction by independent component analysis

Yonggao Yue1,2, Tao Jiang3,4 and Qi Zhou3,4, (1)Jilin University, Key Laboratory of Geophysical Exploration Equipment,Ministry of Education, Jilin, China, (2)Jilin University, College of Instrumentation & Electrical Engineer, Jilin, China, (3)Jilin University, Key Laboratory of Geophysical Exploration Equipment,Ministry of Education, Changchun, China, (4)Jilin University, College of Instrumentation & Electrical Engineer, Changchun, China