WAVEGUIDE ANTENNA

摘要

A waveguide antenna comprising a number of longitudinal waveguides with lateral and longitudinal slots, arranged to emit electromagnetic fields with different directions of polarization is described. It is primarily characterized in that it comprises a first kind of waveguide having a rectangular cross section with lateral slots, preferably at right angles to the longitudinal axis of the waveguide, arranged in its first short side. It also comprises a second kind of waveguide having a rectangular cross section with longitudinal slots arranged in its first short side and with a separating wall arranged symmetrically, going out from its second short side partly extending towards its first short side. Waveguides of alternately the first and second kind are joined at their broad sides with said first short sides facing the same direction to form the waveguide antenna.