International Journal of Antennas and Propagation / 2017 / Article / Fig 9

Research Article

A Frequency-Tunable SRR-Adopted Two-Pole Waveguide Filter Operating below the Cutoff Frequency

Figure 9

Simulated and measured results for adjusting the gap between SRR and end of tuning screw: (a) reflection coefficient (S11) and transmission coefficient.
(a)
(b)