基于地震信号相似性的S变换域多次波压制技术
张宏智1(
), 王大龙1, 张春牛1, 韩健1, 黄德智2, 杨飞龙3
), 王大龙1, 张春牛1, 韩健1, 黄德智2, 杨飞龙3
Multiple suppression in the S-transform domain based on the similarity of seismic signals
ZHANG Hong-Zhi1(), WANG Da-Long1, ZHANG Chun-Niu1, HAN Jian1, HUANG De-Zhi2, YANG Fei-Long3
), WANG Da-Long1, ZHANG Chun-Niu1, HAN Jian1, HUANG De-Zhi2, YANG Fei-Long3
图6. 多次波压制过程
a—一次波速度NMO的CMP道集;b—多次波速度NMO的CMP道集;c—多次波速度NMO减去叠加道的CMP道集;d—叠加道;e—多次波压制后经一次波速度NMO的CMP道集
Fig.6. The process of multiple suppression
a—CMP gather after NMO by primary wave velocity;b—CMP gather after NMO by multiple wave velocity;c—CMP gather of NMO by multiple wave velocity minus stack trace;d—stack trace;e—CMP gather by primary wave velocity NMO after multiple suppression
