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Wide-band electromagnetic scattering from a dielectric BOR buried in a layered lossy dispersive medium

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2 Author(s)
Geng, N. ; Dept. of Electr. Eng., Duke Univ., Durham, NC, USA ; Carin, L.

A method of moments (MoM) analysis is developed for electromagnetic scattering from a dielectric body of revolution (BOR) embedded in a layered medium (the half-space problem constituting a special case). The layered-medium parameters can be lossy and dispersive, of interest for simulating soil. To make such an analysis tractable for the wide-band (short-pulse) applications of interest here, we have employed the method of complex images to evaluate the Sommerfeld integrals characteristic of the dyadic layered-medium Green's function. Example wide-band scattering results are presented, wherein fundamental wave phenomenology is elucidated. Of particular interest, we consider wide-band scattering from a model plastic mine, buried in soil, with the soil covered by a layer of snow

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Antennas and Propagation, IEEE Transactions on  (Volume:47 ,  Issue: 4 )