A Low-Profile Aperture-Coupled Microstrip Antenna With Enhanced Bandwidth Under Dual Resonance
日期:2018-03-25 21:35 点击量:
Title: A Low-Profile Aperture-Coupled Microstrip Antenna With Enhanced Bandwidth Under Dual Resonance
Author: Liu, NW (Liu, Neng-Wu); Zhu, L (Zhu, Lei); Choi, WW (Choi, Wai-Wa); Zhang, X (Zhang, Xiao)
Source: IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION Volume: 65 Issue: 3
Pages: 1055-1062 DOI: 10.1109/TAP.2017.2657486 Published:MAR 2017
摘要:文章首次获得了基于TM10和TM30模辐射的低剖面缝隙耦合天线的频带展宽方法。首先,通过采用缝隙耦合馈电结构,有效抑制了贴片天线的非法向辐射模。其次,采用短路销钉加载技术,提升了TM10模的谐振频点,从而使其靠近TM30模的谐振频点。最终,使贴片天线具备低剖面(0.032λ0)、宽频带特性(15.2%),如下图所示。此外,贴片天线在宽频带内具有稳定的法向辐射方向图。
基于短路销钉加载的低剖面宽带多模缝隙耦合天线及其仿真测试S参数