Research Article
A Modified Vivaldi Antenna for Improved Angular-Dependent Fidelity Property
Table 4
Fidelity factor of the improved antenna computed in E-plane and H-plane.
| H-plane () | E-plane () | θ (degree) | Fidelity factor | θ (degree) | Fidelity factor |
| 0 | 1 | 0 | 1 | 5 | 0.99995 | 5 | 0.99995 | 10 | 0.98976 | 10 | 0.99973 | 15 | 0.98881 | 15 | 0.99888 | 20 | 0.98655 | 20 | 0.99709 | 25 | 0.98285 | 25 | 0.99421 | 30 | 0.97808 | 30 | 0.99023 | 35 | 0.97300 | 35 | 0.98521 | 40 | 0.97008 | 40 | 0.97907 | 45 | 0.96478 | 45 | 0.97186 | 50 | 0.95924 | 50 | 0.96504 | 55 | 0.95839 | 55 | 0.96137 | 60 | 0.95966 | 60 | 0.96244 | 65 | 0.93783 | 65 | 0.96566 | 70 | 0.86216 | 70 | 0.96156 | 75 | 0.71946 | 75 | 0.93351 | 80 | 0.49866 | 80 | 0.86404 | 85 | 0.27054 | 85 | 0.74927 |
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