Research Article

Performance Comparison of Symmetric and Offset Reflector Antennas Adaptively Illuminated by Novel Triple Mode Feedhorn

Table 2

Peak copolarization gain and peak cross-polarization levels (below peak gain) at 7.73 GHz for + phase with different amplitude components.

Mode CombinationPeak Co-Pol Gain [dBi]Peak Cross-Pol Level [dB]

TE11 (20%) + TM01 (40%) + TE21 (40%)36.34−10.25
TE11 (40%) + TM01 (30%) + TE21 (30%)37.13−15.2
TE11 (60%) + TM01 (20%) + TE21 (20%)37.47−22.04