izvorni znanstveni rad
Experimental results regarding the increase in directivity and gain of an antenna embedded in low-permittivity two-dimensional anisotropic thin-wire-based metamaterial are presented. As expected, increase in directivity and gain has been observed. The effect of main beam splitting with frequency increase, predicted by theoretical analysis, has been confirmed. The influence of the number of layers forming the metamaterial on the radiation pattern and gain has been investigated. Input impedance was measured both as a function of frequency and of the number of wire layers forming the metamaterial.
metamaterial; antenna; directivity; gain
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