Conference: Inverse Problems in Engineering

نویسنده

  • Luis Kantek Garcia Navarro
چکیده

Author: Pedro Luis Kantek Garcia Navarro Affiliation: CELEPAR Title: AN EVOLUTIONARY APPROACH IN MAGNETOTELLURIC INVERSION Text: Magnetotelluric inversion is the reconstitution of the pattern of underground geolectric conductivities out of an incomplete and noisy set of measurements of the electromagnetic field at various points of the surface, and at various frequencies. In the forward problem we assumed a two-dimensional plane cutting the surface of the Earth, in which prisms with different values of conductivity are identified, and used to feed Maxwell ́s equations to yield the field on the surface. The problem instances we have used require discovering the conductivities at 70 rectangular underground patches, out of 20 measurements of the magnetic field on the surface, at 10 distinct frequencies.

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تاریخ انتشار 1998