Side lobes level reduction in planar array antenna using two-dimensional window functions

Antenna directivity characteristic depends on the geometrical dimensions of the antenna, the geometrical configuration, the excitation amplitude and the excitation phase of the individual elements and the radiation pattern of the individual elements. The directivity properties of antennas are improved by using array antennas. In this paper it is presented a solution for side lobes level reduction in planar array antenna using two-dimensional window functions. The beamwidth and side lobes level of the antenna radiation pattern are analysed.