Research Article
Design of the Variable Inclination Continuous Transverse Stub Antenna Based on Rectangular Grating Slow-Wave Structure
Table 1
Comparison of theoretical model and full-wave simulation.
| Frequency (GHz) | Full-wave simulation | Theoretical calculation from βunp | Theoretical calculation from β−1 | Tilt angle (°) | εea | Tilt angle (°) | εe | Tilt angle (°) | εe |
| 12.75 | −4.6 | 1.255 | −4.3 | 1.265 | −4.5 | 1.257 | 12.25 | −7.8 | 1.240 | −7.5 | 1.253 | −7.6 | 1.247 | 11.5 | −13.1 | 1.221 | −12.6 | 1.238 | −12.8 | 1.231 | 10.95 | −17.4 | 1.207 | −16.8 | 1.229 | −17.1 | 1.218 |
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aεe is the equivalent permittivity of the element shown in Figure 3. |