antenna array pattern with feeding network shows weird radiation

antenna array pattern with feeding network shows weird radiation slot array antenna Slot antennas are a fairly common omnidirectional microwave antenna design Waveguide slot anten- nas, usually consist of an array of slots for higher gain that slot wibu Three Phased Array Antenna Types You Must Know

slot deposite 5000 slot array antenna fed by a stepped ridge gap waveguide is proposed at the 77-GHz band The antenna generates dual-circularly