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

Figure 14

Reflector antenna radiation patterns at 7.73 GHz with the feedhorn mode combination of TE₁₁(50%) + TM₀₁(50%) for (a) +90° and (b) −90° phase values.

(a)

(b)