TY - Journal of Yangtze River Scientific Research Institute A1 - CHEN Song,ZHOU Li-ming,LUO Shi-xin T1 - Forward Simulation of GPR Signals and Application Examples for Tunnel’s Advance Forecast Y1 - 2015-09-20 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 128 EP - 133,139 VL - 32 IS - 9 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20140296 ER -