超高密度电法有限单元法正演与广义最小二乘反演
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Release time:2020-08-08 Impact Factor:0.905 DOI number:10.19476/j.ysxb.1004.0609.2014.03.029 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:中国有色金属学报 Place of Publication:中国 Funded by:41074085；NCET-12-0551；湖湘青年创新创业平台培养对象；中南大学升华育英计划项目资助 Key Words:超高密度电法；全四极装置；有限单元法；正演模拟；广义最小二乘反演 Abstract:针对超高密度电法的全四极装置,采用三角形网格剖分和线性插值的有限单元法进行正演模拟,然后对该模拟结果开展广义最小二乘正则化反演,反演过程中对模型参数同时施加光滑模型和背景模型约束以提高反演稳定性。以一个低阻双层结构模型为例,与5种常规电法进行对比,发现超高密度电法具有数据信息量大、反演精度高的优点。对一个山谷地形下正方体低阻模型的超高密度电法数据进行正演和反演模拟,反演结果表明:该方法在较复杂地形条件下也能较好地刻画出异常体的形态及地下电性的分布,提高物探解释精度。 Co-author:王鹏飞, 戴前伟 First Author:冯德山 Indexed by:Applied Research Document Code:1004-0609(2014)03-0793-08 Discipline:地质资源与地质工程 Document Type:J Volume:24 Issue:3 Page Number:793-800 ISSN No.:1004-0609 Translation or Not:no Date of Publication:2014-03-15 Included Journals:EI -
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