THE MAGNETOTELLURIC PARAMETERIZED INVERSION OF 2-D LAYERED MODEL
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    Abstract:

    In this paper, for the two problems about the estimation of too many inversion parameters and the difficulties in calculating their partial derivatives in 2-D magnetotelluric inversion,based on the theories of rapid magnetotelluric inversion of 2-D continuous medium,the relati-vely rapid parameterized inverse method of 2-D layered model was realized by linearly approxi-mating the inverse object funtion of 2-D layered model and by using the weighting method to calculate their partial derivatives. The results of the inversion for theoretical models show that the inverse iteration can fit relatively rapidly and accurately the apparent resistivity and phase data,and make the obtained inverse model approach theoretical model.

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  • Received:
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  • Online: June 24,2017
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