超高密度电法全四极装置正反演
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Release time:2020-08-08 DOI number:10.6038/pg20140233 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 Key Words:超高密度电法；全四极装置观测方式；有限单元法；正演模拟；反演成像 Abstract:超高密度电法是一种新型,高效且实用的电法勘探方法,数据信息量是常规方法的数十倍以上. 本文从超高密度电法的基本理论与数据采集方式入手,阐述了超高密度电法的全四极装置观测方式,推导了基于双线性插值,三角形剖分的超高密度电法正问题有限单元法求解方法;提出了超高密度电法的偏导数矩阵混合求解及最小二乘广义线性反演算法.以一个典型地电模型为例,分别采用超高密度全四极装置与五种常规排列装置进行正演模拟并反演成像,反演结果表明,超高密度全四极装置相对于单一装置采集方式具有探测数据量大,抗干扰能力强,数据反演异常结果能够更好的刻画实际地质情况的特点.最后,采用超高密度电法对倾斜板状体地电模型进行正反演,说明了该方法能较好的反映出地下电性的分布,有效提高物探解释的可靠性及勘探的准确性. Co-author:杨炳坤, 戴前伟, 王鹏飞 First Author:冯德山 Indexed by:Applied Research Document Code:DOI：10.6038/pg20140233 Discipline:地质资源与地质工程 Document Type:J Volume:29 Issue:2 Page Number:718-724 ISSN No.:1004-2903 Translation or Not:no Date of Publication:2014-04-01 -
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