RCS study of impedance-matched scatterers constructed with magnetodielectric cubes

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Conference Proceeding
2013 7th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2013, 2013, pp. 418 - 420
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The monostatic theorem of Weston states that a null RCS is observed for matched ε = μ objects with rotational symmetry. In this work we study a generalization of this result applied to heterogeneous magnetodielectric scatterers. The whole object of interest or the coating surrounding it is divided into a set of small cubical unit cells that are alternatively either purely dielectric or purely magnetic, i.e., the two materials are distributed in a lego format. Numerical computations are presented to compare the RCS levels of the original perfectly and the lego-based roughly impedance-matched scatterers. © 2013 IEEE.
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