一种叠加椭圆环形三频单极子缝隙天线的设计

设计一种叠加椭圆环形三频单极子缝隙天线, 并分析改变椭圆环尺寸对天线性能的影响. 天线由叠加椭圆环形馈源终端、 共面波导馈线、矩形宽缝隙地板构成, 采用共面波导馈电. 结果表明, 设计的天线具有三频特性, 有效工作带宽为3.2~3.8 GHz, 5.1~6 GHz, 7.8~12 GHz, 尺寸为25 mm×25 mm, 各频段的辐射特性和增益特性良好, 适用于集成WiMAX,WLAN和X频段的小型多频带无线通信系统.

Design of a Superimposed Elliptic Ring Tri frequency Monopole Slot Antenna

The author designed a superimposed elliptic ring tri-frequency monopole slot antenna and analyzed the effects of the size change of elliptic ring on the antenna performance. The antenna consisted of a superimposed elliptic loop feed terminal, coplanar waveguide feeder and rectangular wide spot floor, and coplanar waveguide was used to feed the antenna. The results showthat the designed antenna has tri frequency characteristics, effective workingbandwidths are 3.2—3.8 GHz, 5.1—6 GHz and 7.8—12 GHz, the size is 25 mm×25 mm, the radiation characteristics and gain characteristic are good, so it is suitable for small multi band wireless communication system of integrated WiMAX,WLAN and X bands.