2007
DOI: 10.2528/pier07072202
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Model the Electromagnetic Scattering From Three-Dimensional Pec Object Buried Under Rough Ground by Mom and Modified Po Hybrid Method

Abstract: Abstract-In this paper, method of moment and modified physical optical hybrid method is used to analyze the scattering from 3-D PEC object buried under rough surface. The random rough ground surface is characterized with Gaussian statistics for surface height and for surface correlation function. The air-earth interface and the object are all replaced by the corresponding equivalent currents and the equivalent current on the ground surface is divided into two parts: the current caused by the incident wave whic… Show more

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Cited by 14 publications
(8 citation statements)
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“…Schelkunoff's method is a Method of Moments (MoM) [7][8][9][10][11][12] where the unknown functions are the electromagnetic field components in the filled waveguide and the basis functions are the same components but referred to an empty waveguide (i.e., the TM and TE usual modes) with the same outer dimensions [5,6]. Thus, for a filled rectangular waveguide, the electromagnetic field can be written as…”
Section: Theorymentioning
confidence: 99%
“…Schelkunoff's method is a Method of Moments (MoM) [7][8][9][10][11][12] where the unknown functions are the electromagnetic field components in the filled waveguide and the basis functions are the same components but referred to an empty waveguide (i.e., the TM and TE usual modes) with the same outer dimensions [5,6]. Thus, for a filled rectangular waveguide, the electromagnetic field can be written as…”
Section: Theorymentioning
confidence: 99%
“…For a 3-D PEC spherical scatterer under a 2-D random dielectric rough surface, the problem has been solved using the MoM based on surface integral equations [10]. The MoM and modified PO hybrid method has been used to analysis of scattering from 3-D PEC object buried under rough surface [29]. To accelerate the solution to the electromagnetic scattering by a 3-D dielectric/PEC object located above or below a 2-D dielectric rough surface, the coupled canonical grid and discrete dipole approach (DDA) [11] and the steepest descent fast multipole method (SDFMM) [12] have been carried out.…”
Section: Introductionmentioning
confidence: 99%
“…The two-dimensional electromagnetic scattering problem by buried circular cylinders has been discussed by many authors, both from a theoretical and a numerical point of view, due to its application to remote sensing of the earth's subsurface, to the detection of landmines, pipes, conduits, or to communication through the earth [1][2][3][4][5][6].…”
Section: Introductionmentioning
confidence: 99%