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International Journal of Antennas and Propagation
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International Journal of Antennas and Propagation
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2021
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Article
/
Fig 9
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Research Article
A Varactor-Tunable Rasorber Using Tripole and Ring Slot Elements
Figure 9
Comparisons of the simulated and measured
S
-parameters. (a) Effect of series resistance on insertion loss, (b) |
S
11
|, and (c) |
S
21
|.
(a)
(b)
(c)