MICROSTRIP PATCH ARRAY ANTENNA WITH FLAT-TOP AND LOW SIDE LOBE BEAM PATTERN

摘要

The present invention relates to a low side lobe antenna having a flat-top with a radiation pattern of a low side lobe, wherein a radiation pattern of a main beam is formed as a flat-top. More specifically, the low side lobe antenna according to the present invention comprises: a patch array and a center feeding unit. A number of radiation patches of a patch arrangement unit are connected to a front portion of the low side lobe antenna via a feeding line. The patch array includes a pair of patch arrangement units symmetrically arranged from a center of the patch array. The center feeding unit is arranged between the pair of patch arrangement units. The patch arrays are configured in a plurality of columns. Furthermore, the center feeding unit is formed to flatten a peak radiation pattern of a main beam. The antenna has a low side lobe in a horizontal direction. According to the present invention, interference is minimized to improve efficiency and stabilize communication performance of the antenna.