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9 图7中GPR信号所构建的基于包络的速度谱切片 a—双曲线1和2;b—双曲线3;c—双曲线4、5和6;d—双曲线7;e—双曲线8;f—双曲线9;g—双曲线10

Fig.9 The envelope-based velocity spectrum slice constructed by the GPR signal in figure 7 a—hyperbola 1 and 2;b—hyperbola 3;c—hyperbola 4,5 and 6;d—hyperbola 7;e—hyperbola 8;f—hyperbola 9;g—hyperbola 10