基于共偏移距GPR信号包络和三维速度谱分析的介质电磁波速度估计方法

周鑫, 王洪华, 王欲成, 吴祺铭, 王浩林, 刘洪瑞

A method for estimating electromagnetic wave velocities in subsurface media based on common-offset GPR signal envelope and 3D velocity spectrum analysis

ZHOU Xin, WANG Hong-Hua, WANG Yu-Cheng, WU Qi-Ming, WANG Hao-Lin, LIU Hong-Rui

图2 共偏移距GPR信号的三维速度谱分析示意 a—共偏移距测量示意;b—共偏移距GPR剖面;c—三维速度谱示意

Fig.2 Diagram of three dimensional velocity spectrum analysis of common offset GPR signal a—diagram of common offset measurement;b—profile of common offset GPR;c—diagram of three dimensional velocity spectrum