Evaluation of the radar cross section of circular microstrippatches on anisotropic and chiral substrates |
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Authors: | Losada V. Boix R.R. Medina F. |
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Affiliation: | Dept. of Appl. Phys., Seville Univ.; |
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Abstract: | Galerkin's method in the Hankel transform domain (HTD) is applied to the determination of the radar cross section (RCS) of a circular microstrip patch printed on a substrate which may be an uniaxial anisotropic dielectric, a magnetized ferrite, or a chiral material. The results obtained for circular patches on magnetized ferrites show that the RCS of these patches can be substantially reduced in a tunable frequency band when a bias magnetic field is applied. It is also shown that the results obtained for the RCS of circular patches printed on chiral materials can be substantially different from those obtained when substrate chirality is ignored |
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