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3-D imaging of large scale buried structure by 1-D inversion of very early time electromagnetic (VETEM) data

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6 Author(s)
Aydiner, A.A. ; Dept. of Electr. & Comput. Eng., Illinois Univ., Urbana, IL, USA ; Wen Cho Chew ; Cui, Tie Jun ; Wright, D.L.
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A simple and efficient method for large scale three-dimensional (3D) subsurface imaging of inhomogeneous background is presented. One-dimensional (1D) multifrequency distorted Born iterative method (DBIM) is employed in the inversion. Simulation results utilizing synthetic scattering data are given. Calibration of the very early time electromagnetic (VETEM) experimental waveforms is detailed along with major problems encountered in practice and their solutions. This discussion is followed by the results of a large scale application of the method to the experimental data provided by the VETEM system of the U.S. Geological Survey. The method is shown to have a computational complexity that is promising for on-site inversion

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Geoscience and Remote Sensing, IEEE Transactions on  (Volume:39 ,  Issue: 6 )