A Wideband Waveguide Antenna with Nearly Equal E- and H-Plane Radiation Patterns
Figure 6
Study of variations in radiation patterns versus the changes of lengths of metallic brims at 12, 15, and 18 GHz, respectively. (a)-(b) E-plane and H-plane at 12 GHz, (c)-(d) E-plane and H-plane at 15 GHz, and (e)-(f) E-plane and H-plane at 18 GHz.