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FDTD modeling of scatterers in stratified media

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3 Author(s)
Demarest, K. ; Dept. of Electr. Eng. & Comput. Sci., Kansas Univ., Lawrence, KS, USA ; Plumb, R. ; Huang, Z.

The FDTD technique is well suited for calculating the fields scattered by buried objects when the sources are close enough to the air/ground interface so that they can be incorporated into the solution space. Difficulties arise, however, when the sources are far from the interface since the total fields in the solution space are not all outgoing waves. Using well-known formulas for the fields transmitted and reflected by stratified media, this paper discusses a method whereby the fields scattered by a buried object can be easily calculated by the FDTD technique when the incident field is a plane wave

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Antennas and Propagation, IEEE Transactions on  (Volume:43 ,  Issue: 10 )