A Band-Rejection Vivaldi Antenna with High Selectivity Using Hybrid HRW/CCLL

<div>Notch frequency for different geometrical etched slot parameters. (a) The ordinary rectangular slot at the different frequency band from varying the parameter <i>L</i><sub><i>b</i></sub>. (b) The complementary split-ring resonance at the different frequency band from varying the parameter <i>L</i><sub><i>c</i></sub>.</div>

International Journal of Antennas and Propagation

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Figure 3

Figure 3: A Band-Rejection Vivaldi Antenna with High Selectivity Using Hybrid HRW/CCLL 