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Progress In Electromagnetics Research
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FINITE GROUND CPW-FED UWB ANTENNA OVER THE METALLIC CYLINDRICAL SURFACES

By R. Lech, W. Marynowski, and A. Kusiek

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Abstract:
The investigation of finite ground coplanar fed ultra-wideband (UWB) antenna and the influence of its curvature and the proximity of planar and circular metalic screen on the reflection coefficients and radiation characteristics is presented. The antenna is composed of two circular coplanar strips which enclose slot aperture of similar shape and is designed on a thin and flexible substrate which allows its bending. The antenna configuration has been modeled and experimentally tested, showing good performance in 2-15 GHz frequency with return losses less than -10 dB. It is shown that the bending of antenna does not significantly affect its performance. The existence of metalic screen deteriorates its radiation pattern and reflection coefficient, however with the correct choice of the distance between screen and antenna the required level of return losses can be provided.

Citation:
R. Lech, W. Marynowski, and A. Kusiek, "Finite Ground CPW-Fed UWB Antenna Over the Metallic Cylindrical Surfaces," Progress In Electromagnetics Research, Vol. 140, 545-562, 2013.
doi:10.2528/PIER13051803
http://www.jpier.org/PIER/pier.php?paper=13051803

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