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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
Illustration of the Impedance Behaviour of Extremely Low-Profile Coupled Shorted-Patches Antennas for UHF RFID of People
Figure 12
Tuning the real and imaginary parts of the input impedance by varying the width of the coupling gap.
(a)
(b)