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《Oil Geophysical Prospecting》 2004-01
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General use formula in MT tensor impedance.

Tan Han dong,Wei Wen bo,Deng Ming and Jin Sheng. Tan Han dong.Collage of Geophysics and Information Technique,China University of Geology,Beijing City,100083,China  
It needs to solve how to use the tensor impedance elements calculated from the electrical and magnetic fields that are resulted from numerical modeling when studying 3 D MT numerical modeling.For this reason,the paper theoretically and systematically deduced the general calculation formula of tensor impedance that is suitable for complex telluric model and gave the method for impedance elements calculated from the discrete electrical and magnetic fields that are resulted from numerical modeling.Through deep analysis,we also got direct expression of calculation formula for each general tensor impedance element,showing a clear physical meaning.For example,Z xy represents the ratio between weighted linear stack result of electrical field component produced in x direction and weighted linear stack result of magnetic field component produced in y direction,which deepened the knowledge of tensor impedance.
【Fund】: 教育部重大项目 (重大 0 2 11)资助
【CateGory Index】: P318;P319
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