BROADBAND MICROSTRIP ANTENNA AND ANTENNA ARRAY

摘要

Disclosed are a broadband patch antenna and an antenna array. The antenna comprises: a rectangular material medium substrate; a radiation patch which is formed on an upper surface of the medium material substrate; a coupling patch which is formed on the upper surface of the medium material substrate, and extends from one side of the medium material substrate to a position which is a predetermined distance away from the radiation patch; and a metal support piece which is arranged on the lower surface of the medium material substrate, and extends downwards from the vicinity of the edge of the lower surface of the medium material substrate and is grounded, an air layer having a predetermined thickness being formed between the lower surface of the medium material substrate and the ground. By means of the solution, the directivity of a broadband microstrip antenna can be improved in cases of a small size.