Frequency Selective Shielding Screen by the Use of Artificial Media(Others, <Special Section>2004 International Symposium on Electromagnetic Compatibility)

概要

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We calculated the shielding characteristic of a three-dimensional array of strip conductors by using the electric field integral equation method and its expansion to an array structure. From reflection coefficients, the effective permittivity of the array is calculated. The effective permittivity becomes negative in the frequency range above resonance, in which the electromagnetic waves travel through the material in an evanescent mode and the transmission coefficient becomes very small.
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2005-08-01