CPW-Fed Broadband Circularly Polarized Planar Monopole Antenna With Improved Ground-Plane Structure
日期:2018-04-16 18:22 点击量:
Title: CPW-Fed Broadband Circularly Polarized Planar Monopole Antenna With Improved Ground-Plane Structure
Author: Zhang,L(Zhang,Li);Jiao,YC(Jiao,Yongchang);Ding,Y(Ding,Yang);Chen,B(Chen,Bo) ;Weng,ZB (Weng,Zibin)
Source: IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION Volume: 61 Issue: 9
Pages: 4824-4828 DOI: 10.1109/TAP.2013.2269471 Published: SEPTEMBER 2013
摘要:文章提出了一种具有宽带圆极化(CP)特性的新型CPW馈电平面印刷单极天线。天线包括一个矩形贴片和一个改进的接地平面。通过在地平面上适当增加垂直短截线和切割水平狭缝,可以扩大天线的阻抗带宽,实现宽轴比(AR)带宽。测量结果表明,所提出的天线不仅具有44.9%(2.65GHz,4.58-7.23GHz)的3-dB AR带宽(圆极化中心频率5.90 GHz),而且能够实现76.9%(4.35 GHz,3.48-7.83 GHz)的10-dB回波损耗带宽(中心频率5.66 GHz)。
实物加工图及天线S11、轴比曲线仿真和实测对比