单平面紧凑型微波光子晶体在PIFA天线中的应用  

UC-EBG Application in the Planar Inverted F Antenna

作　　者：颜晓[1] 朱娜[1] 汪杰[1] 成超[1] 

机构地区：[1]江苏大学计算机科学与通信工程学院,江苏镇江212013

出　　处：《光电子技术》2011年第4期259-262,共4页Optoelectronic Technology

基　　金：国家自然科学基金资助项目(60702056)

摘　　要：平面倒F天线(PIFA)辐射贴片与金属地平面的距离通常很大,限制了该天线的小型化应用。提出对U型缝隙PIFA天线中加入单平面紧凑型微波光子晶体(简称UC-EBG),利用其电磁带隙结构实现了天线的低剖面。仿真结果表明:与同等尺寸的普通PIFA天线相比较,小尺寸UC-EBG结构天线回波损耗降低了102%,带宽增加了159%。UC-EBG结构PIFA天线适合在日趋小型化终端设备中的应用。The distance between radiation patch and the metal ground plane is usually large for planar inverted F antenna （PIFA）, thus limiting the miniaturization application. This papaer proposes the U-shaped slot PIFA with a UC-EBG structure which lead to a low-profile antenna achieved. The simulation results show that, compared with common PIFA of the same size, return loss is reduced by 102% and tile bandwidth is increased by 159%. Therefore, UC-EBG PI- FA is suitable for increasingly smalier terminal equipment.

关 键 词：单平面紧凑型微微波光子晶体 平面倒F天线 低剖面 回波损耗 

分 类 号：O76[理学—晶体学]