Research Article

Design of an Ultrawideband Circularly Polarized Printed Crossed-Dipole Antenna Based on Genetic Algorithms for S-Band CubeSat Applications

Table 3

Ranges of geometry dimensions for UCPCA optimization.

VariableFinal value (cm and λsub)Initial value (cm)Minimum value (cm)Maximum value (cm)

W20.6 = 0.07λsub0.50.11
W10.728 = 0.08λsub0.50.11
L30.902 = 0.1λsub0.50.51.5
L20.476 = 0.05λsub0.40.20.8
L10.409 = 0.04λsub0.40.20.8
ri0.568 = 0.06λsub0.40.30.6
re0.664 = 0.07λsub0.750.51
H3.3 = 0.39λsub = λo/4FixedFixedFixed
SubX9.5 = 1.12λsubFixedFixedFixed
SubY9.5 = 1.12λsubFixedFixedFixed
SubH0.152 = 0.01λsubFixedFixedFixed