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International Journal of Antennas and Propagation
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International Journal of Antennas and Propagation
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2013
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Article
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Fig 11
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Research Article
Improvement of a Circular Microstrip Antenna Excited by Four Feeds and Suspended with Artificial Magnetic Conductors
Figure 11
The measured gain and axial ratio as a function of frequency. (a) Gain. (b) Axial ratio.
(a)
(b)