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

Figure 8

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

(a)

(b)