Research Article
Design of an Ultrawideband Circularly Polarized Printed Crossed-Dipole Antenna Based on Genetic Algorithms for S-Band CubeSat Applications
Table 4
Simulation results at 2.25 GHz before and after optimization.
| Type of study | Maximum gain (dBi) at 2.25 GHz | Reflection coefficient S11 (dB) at 2.25 GHz | −10 dB bandwidth (GHz) | Axial ratio (dB) at 2.25 GHz | 3 dB axial ratio bandwidth (GHz) |
| Before genetic algorithms | 7.37 | −1.75 | Not defined | 20.58 | Not defined | After genetic algorithms | 7.6 | −15.96 | 1.36 | 2.37 | 0.36 |
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