Research Article

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

Figure 10

Reflector antenna radiation patterns at 7.73 GHz with the feedhorn mode combination of TE11(40%) + TM01(30%) + TE21(30%) for the fixed phase values of (a) +90° and (b) −90°.
870318.fig.0010a
(a)
870318.fig.0010b
(b)