Finite Difference Migration Imaging of Magnetotellurics

Runlin Du1; 2; Zhan Liu1

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Finite Difference Migration Imaging of Magnetotellurics

机译：MagnetOrturics的有限差分迁移成像

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—we put forward a new migration imaging technique of Magnetotellurics (MT) data based on improved finite difference method, which increased the accuracy of difference equation and imaging resolution greatly. We also discussed the determination of background resistivity and reimaging. The processing results of theoretical model and case study indicated that this method was a more practical and effective for MT imaging. Finally the characteristics of finite difference migration imaging were summarized and the factors which can affect the migration imaging were analyzed.

机译：- 我们基于改进的有限差分法提出了一种新的迁移成像技术（MT）数据，这大大提高了差分方程和成像分辨率的准确性。我们还讨论了背景电阻率和重叠的确定。理论模型的处理结果和案例研究表明，该方法对MT成像进行了更实用和有效。最后总结了有限差分迁移成像的特征，分析了可能影响迁移成像的因素。

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《Journal of Computers》 |2013年第10期|共5页
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Runlin Du1; 2; Zhan Liu1;
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1. Lateral Rheology Differences in the Lithosphere and Dynamics as Revealed by Magnetotelluric Imaging at the Northern Tibetan Plateau [J] . Xiao Qibin, Yu Guo, Shao Guihang, Journal of geophysical research. Solid earth: JGR . 2018,第9期

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2. Optimized implicit finite-difference and Fourier finite-difference migration for VTI media [J] . Guojian Shan Geophysics: Journal of the Society of Exploration Geophysicists . 2009,第6Suppla期

机译：针对VTI媒体优化的隐式有限差分和傅立叶有限差分迁移
3. Optimized implicit finite-difference and Fourier finite-difference migration for VTI media [J] . Guojian Shan Geophysics: Journal of the Society of Exploration Geophysicists . 2009,第6期

机译：针对VTI媒体优化的隐式有限差分和傅立叶有限差分迁移
4. Research on controlled-source audio-frequency magnetotellurics three-dimensional numerical simulation with staggered-grid finite difference method in resistivity anisotropic media [C] . Kunpeng Wang, Handong Tan Proceedings of the 12th China International Geo-electromagnetic Induction Workshop . 2015

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5. Three-dimensional inversion of magnetotelluric data from the Coso Geothermal Field, based on a finite difference Gauss-Newton method parallelized on a multicore workstation. [D] . Maris, Virginie. 2011

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6. Experimental validation of a finite-difference model for the prediction of transcranial ultrasound fields based on CT images [O] . Guillaume Bouchoux, Kenneth B Bader, Joseph J Korfhagen, -1

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7. Hybrid finite difference–finite element method to incorporate topography and bathymetry for two-dimensional magnetotelluric modeling [O] . Weerachai Sarakorn, Chatchai Vachiratienchai 2018

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8. Practical aspects of prestack depth migration with finite differences [R] . Ober, C. C. , Oldfield, R. A. , Womble, D. E. , 1997

机译：具有有限差异的叠前深度偏移的实际方面

Finite Difference Migration Imaging of Magnetotellurics

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