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  imaging project
We present the results of a narrow band imaging project of dwarf and giant ellipticals in the Fornax (z = 0.01), Coma (z = 0.02), A2218 (z= 0.17) and A2125 (z = 0.24) cluster.
      
Accuracy of the earth model is ensured by leveraging integrated tools and implementing an interpretive approach throughout the depth imaging project.
      
A close integration of interpretation, processing and model building were the key elements of this depth-imaging project.
      
Basic questions and definitions both underline the scope of the book and help the reader clarify the mission and objectives of any imaging project.
      
For a digital imaging project to succeed it must be designed with the needs of the user in mind.
      
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Based on the BIE( boundary integral equations)introduced by the authors in Reference, a new method of 2-D resistivity tomography(RT) is constructed in this paper. It is different from the RT methods which is based on the finite element method and alpha centers method. This method is unnecessary to compute the Jacobian matrix and to do linear approximation. It can not only save computing time and make the iteration processes of inverse stable, but also do well for RT when the electrical contrast of subsurface...

Based on the BIE( boundary integral equations)introduced by the authors in Reference, a new method of 2-D resistivity tomography(RT) is constructed in this paper. It is different from the RT methods which is based on the finite element method and alpha centers method. This method is unnecessary to compute the Jacobian matrix and to do linear approximation. It can not only save computing time and make the iteration processes of inverse stable, but also do well for RT when the electrical contrast of subsurface is big, so it clearly improves the practicability of RT. The numerical modeling results given in this paper show that the method is effective.

本文基于作者在文献[1]中提出的边界积分方程,建立了一种新的二维电阻率层析成像方案。与目前国内外用有限元法和α中心法的成像方法相比,该方法无需计算雅可比矩阵,也不必做线性化近似。这不仅节省了计算时间,而且使成像迭代过程稳定,可以对实际上广泛存在的大电性对比度介质获得满意的成像效果,从而大大提高了电阻率层析成像技术的实用性。文中给出的数值模拟结果显示了该方法的有效性。

 
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