一种宽带低交叉极化的小型旋转宽槽天线  

Compact Rotated Wide Slot Antenna with Wide Band and Low Cross Polarization

作　　者：张乔[1] 余同彬[2] 石树杰 叶骏东 

机构地区：[1]解放军理工大学通信工程学院研究生1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》2015年第3期43-45,53,共4页Journal of Military Communications Technology

摘　　要：文章提出了一种小型化的使用Y形微带线馈电的带有寄生贴片的旋转宽槽天线,该天线具有带宽增加和低交叉极化的性能。文中制作并测量了该天线,仿真结果得到了实验验证,测量结果显示该天线具有宽的阻抗带宽,S11<-10dB的带宽超过85%,从2.38GHz到5.9GHz。而且,在工作带宽中该天线具有稳定的全向辐射方向图和低于-20dB的交叉极化,具有很小的尺寸(只有34mm×34mm×1.6mm)。A compact Y-shaped microstrip line fed rotated wide-slot antenna with a parasitic patch for bandwidth enhancement and low cross polarization was proposed.A prototype was fabricated and measured to confirm the simulation verdictions.The measured results show that this antenna achieves a wide impedance bandwidth,which is over 85%for S11〈-10 dB ranging from2.38 GHz to 5.9GHz.Also,a stable omnidirectional radiation pattern with a low cross polarization of less than-20 dB is obtained within the operating bandwidth,and the footprint of the proposed antenna is small（only 34mm×34mm×1.6mm）.

关 键 词：宽带天线 宽槽天线 小型化天线 低交叉极化 

分 类 号：TN821[电子电信—信息与通信工程]