一种基于脊形接地板的圆极化天线
摘要
本文设计了一种基于脊形接地板的圆极化微带天线,该天线通过在介质基片上开脊形槽,从而增加了介质层的厚度,减小了馈电探针的长度,同时还减弱了探针电感对输入阻抗的影响,达到了展宽天线带宽的目的。仿真结果显示,脊形接地板的圆极化微带天线工作频率范围为1.5GHz～3.1GHz,在天线驻波比(VSWR)小于2的情况下,天线的相对带宽达到了69.9%,轴比小于3dB的圆极化带宽为24%,远胜于普通单馈点圆极化天线的带宽。该天线性能优越、结构简单,应用前景广阔。
引文
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[2]周东.安徽大学.小型圆极化微带天线的研究与设计[D].安徽大学出版社,2016ZHOU D.Anhui University.Research and design of a small circular polarized microstrip antenna[D]Anhui University Press,2016(in Chinese)
[3]朱莉,王光明,高向军等.一种新型宽带圆极化天线的设计[J].微波学报,2008,24(3):21~24ZHU L,WANG G M,GAO X J,et al.Design of a new type of wide-band circular polarized antenna[J].Journal of microwave,2008,24(3):21~24(in Chinese)
[4]朱莉,高向军,梁建刚.宽带圆极化微带天线的几种实现方法[J].现代电子技术,2007,30(23):82~84ZHU L,GAO X J,LIANG J G,Several implementation methods of wide-band circular polarized microstrip antenna[J].2007,30(23):82~84(in Chinese)
[5]杨杰,杨小平,叶良丰.宽带多频天线研究现状[J].中国科技信息,2016(15):48~49YANG J.YANG X P,YE L W.Research status of wide-band multi frequency antenna,Science and technology information in China[J].2016(15):48~49(in Chinese)
[6]韩宇南,郭建卓,李学斌.基于复合左右手传输线的2.45GHz微带天线设计[J].电波科学学报,2016.31(2):314~318HAN Y N,GUO J Z,L X B,Compact 2.45GHz micostrip antenna design using composite right/left-handed transmission lines.The Chinese Journal of Radio Science[J].2016.31(2):314~318(in Chinese)
[7]胡明春,杜小辉,李建新.宽带宽角圆极化贴片天线的实验研究[J].电子学报,2002,30(12):1888~1890HU C M,DU X H,LI J X.Experimental study of wide-band wide angle circular polarized patch antenna[J].Electronic journal2002,30(12):1888~1890(in Chinese)
[8]王杨智,张麟兮,韦高.基于HFSS新型宽频带微带天线仿真设计[J].系统仿真学报,2007,19(11):2603~2606WANG Y Z,ZHANG L X,WEI G.Simulation design of a new broadband microstrip antenna based on HFSS,Journal of system simulation[J].2007,19(11):2603~2606(in Chinese)
[9]武哲,贺怡,王安康.空气微带圆极化天线的设计[J/OL].微波学报,2016,32(S1):147~149WU Z,HE Y,WANG A K,Design of air microstrip circular polarized antenna[J/OL].Journal of microwave.2016,32(S1):147~149(in Chinese)
[10]Wu Tingqiang,Su Hua,Gan Liyun,et al.Acompact and broadband microstrip stacked patch antenna with circular polarization for 2.45GHz mobile RFID reader[J].IEEE Antennas and Wireless Propagation Letters,2013,(12):623~626