Research Article
Continuously Frequency-Tunable Horn Filtennas Based on Dual-Post Resonators
Figure 7
Microwave horn filtenna radiation pattern. (a) E-plane at 2.56 GHz. (b) H-plane at 2.56 GHz. (c) E-plane at 3.50 GHz. (d) H-plane at 3.50 GHz.
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| (b) |
| (c) |
| (d) |