Circular Waveguide Slotted Antenna with Inclined Beam

Abstract

The novel design of a Ku-band circular waveguide slotted antenna is proposed. In contrast to standard antennas of this type, the main beam of the developed antenna is inclined from its surface normal by the value noticeably exceeding the beam width, which is necessary e.g. to reduce the radar cross section of the antenna in the direction towards an illuminated target. The design features of such antennas are considered. The practical desing of the antenna developed is presented along with the comparison of the simulation and experimental results.