Numerical Approach To Approximate The Electromagnetic Scattering From Random PEC Cylinder Placed Below In Dielectric Half-space


A numerical solution is presented for electromagnetic scattering from a random cross-section of a cylinder placed inside a dielectric half-space. Assumed that a plane wave of known parameters is incident from the half space. The incident electric field of an electromagnetic plane wave is parallel to the z-axis of the random cylinder. The method of moment is employed to obtain surface currents and Electric field integral solution is used to obtain the scattered field. The problem consists of two regions, the observer located in the free space region above from interface and the second region is an underground region where the random cylinder is placed. In the whole scenario, the medium is considered as homogeneous and lossless. The average scattered field is observed by varying different parameters for realization. To diversify the solution, COMSOL Multiphysics® and Matlab is used for simulations to investigate backscattered field involving transverse electric (TE) and transverse magnetic (TM) polarizations.


Electrical and Computer Engineering

Keywords and Phrases

Dielectric medium; Electromagnetic scattering; Method of moment; Random cylinder

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Document Type

Article - Journal

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Publication Date

01 Mar 2020