Research Article

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

Figure 3

Gain radiation patterns of the triple-mode feedhorn with mode combination of TE11(20%) + TM01(40%) + TE21(40%) at 7.73 GHz for (a) +90° fixed phase, and (b) −90° fixed phase.
870318.fig.003a
(a)
870318.fig.003b
(b)