地震波速与吸收系数综合层析成像
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Release time:2020-08-09 DOI number:10.3969/j.issn.1004-2903.2006.04.046 Affiliation of Author(s):中南大学地球科学与信息物理学院 Teaching and Research Group:中南大学应用地球物理系 Journal:地球物理学进展 Place of Publication:中国 Funded by:50099620-03-02 Key Words:吸收系数; 地震吸收CT; 地震波速CT; 多参数 Abstract:阐述了地震波在粘弹性介质传播过程中具有的衰减特性,探讨了地震波吸收层析成像的机理,得知地震吸收CT成像方法,对岩体软弱结构面、裂隙和规模较小的断层破碎带的识别能力,要强于波速成像方法.针对这两种层析技术的优缺点,采取多参数(波速、吸收系数)综合地震层析成像的方法,使波速CT与吸收CT两者能相互印证、互为补充.作者综合利用两种成像方法,把它用于在云南省某水电站坝基岩体质量检测中,取得了较好的效果,达到了提高地震层析成像的分辨率与可靠性的目的. Co-author:冯德山, 汤井田 First Author:喻振华 Indexed by:Applied Research Document Code:1004-2903(2006)04-1338-04 Discipline:地质资源与地质工程 Document Type:J Volume:21 Issue:4 Page Number:1338~1341 ISSN No.:1004-2903 Translation or Not:no CN No.:11-2982/P Date of Publication:2006-08-30 -
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