一种紧凑型宽带磁电偶极子天线  

Compact Broadband Magneto-Electric Dipole Antenna

作　　者：王茜茜[1] 钱祖平[2] 曹文权[2] 晋军[2] 

机构地区：[1]解放军理工大学通信工程学院研究生2队,江苏南京210007 [2]解放军理工大学通信工程学院

出　　处：《军事通信技术》2017年第1期50-53,共4页Journal of Military Communications Technology

摘　　要：文章提出了一款具有宽阻抗带宽、低剖面特性的平面天线。天线结构为一副磁偶极子和一副电偶极子的组合,采用探针馈电,并且与表面印刷的T字形条带相连。通过耦合馈电的方式同时激励磁偶极子和电偶极子,天线带宽得到展宽,并且具有低交叉极化,低后向辐射,方向图对称和增益平稳的优点。测试结果表明,设计的天线阻抗带宽(∣S11∣<-10dB)达到51.3%,增益在阻抗带宽范围内大于5.56dBi,最高增益为7.72dBi,增益带宽达到31.25%。该天线的宽带特性使其在Ku波段的无线通信中具有很好的应用前景。A new compact printed magneto-electric dipole antenna with wide impedance band- width and low profile was proposed. The antenna combines a magnetic dipole and an electric di- pole. It uses a pin connected with a T-shaped strip as the basic feed unit. Hence, it stimulates the magnetic dipole and electric dipole simultaneously by coupling. This antenna has wide band-width and other excellent electrical characteristics such as low cross polarization, low back radiation, symmetric radiation patterns and smooth gain. The measurement result shows that the impedance bandwidth （｜S11｜〈-10） is 51.3%. The gain is over 5.56dBi in the entire operating band and the maximum of gain is 7.72dBi. The gain bandwidth reaches 31.25%. The antenna has a good prospect in Ku-band wireless communication system due to its characteristic of wide band- width.

关 键 词：磁电偶极子 宽带 低剖面 金属化通孔 

分 类 号：TN713[电子电信—电路与系统]