中国地质调查2015,Vol.2Issue(3):22-27,6.
基于F-K和Radon变换的多次波衰减方法
Multiples Attenuation Approach by F -K and Radon Transform
摘要
Abstract
Multiples is one of common noises in seismic exploration,the techniques of multiples attenuation is a serious problem in seismic data processing.This paper introduced the formations,classifications,characteristics of multiples,and the multiples attenuation in synthetic seismic data in ProMax system.Firstly,NMO correction with the appropriate speed for CDP gathers in t-x domain;Secondly,used F -K transform and Radon transform respectively to convert it to different domains,then attenuated the area where multiples was in new domains;Fi-nally,transformed it to t-x domian through the corresponding inverse transforms to achieve the purposes of the multiples attenuation.By the applying of multiples attenuation in ProMax system,it suggests that different meth-ods of multiples attenuation have advantages and disadvantages,and multiples attenuation in combination with dif-ferent methods will achieve better results.关键词
多次波/NMO 校正/F -K 变换/Radon 变换/地震勘探Key words
multiples attenuation/NMO correction/F -K transform/Radon transform/seismic exploration分类
天文与地球科学引用本文复制引用
张亚伟,严加永,刘振东,张永谦,徐峣..基于F-K和Radon变换的多次波衰减方法[J].中国地质调查,2015,2(3):22-27,6.基金项目
中国地质调查“破碎蚀变岩型金矿深部找矿勘查技术集成(编号12120114053301)”、中央级公益性科研院所基本科研业务费(编号k1217)和国家自然科学基金(编号41104061)项目联合资助。 ()