地震波逆时偏移中两种成像条件应用效果对比

宋宗平, 陈可洋, 杨微, 李来林, 吴清岭, 范兴才

Comparison of the application effect of two imaging conditions in seismic wave reverse time migration

Zong-Ping SONG, Ke-Yang CHEN, Wei YANG, Lai-Lin LI, Qing-Ling WU, Xing-Cai FAN

图2 2种逆时成像条件有偏移距逆时偏移脉冲响应对比 a—层状介质模型有偏移距观测系统;b—采用常规逆时成像条件对应的脉冲响应;c—采用基于行波分离法逆时成像条件对应的脉冲响应

Fig.2 Comparison of offset reverse-time migration impulse between two different imaging conditions a—Zero offset survey with layered medium model;b—Impulse response with conventional reverse-time;c—Impulse response with reverse-time migration condition based on one-way wave separation