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International Journal of Antennas and Propagation
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International Journal of Antennas and Propagation
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2014
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Article
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Fig 12
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Research Article
Rectangular Ring Antenna Excited by Circular Disc Monopole for WiMAX System
Figure 12
The comparison between the simulated and measured radiation patterns in the
-plane.
(a)
2.5 GHz
(b)
3.5 GHz
(c)
5.5 GHz