A Differential-Fed Microstrip Patch Antenna With Bandwidth Enhancement Under Operation of TM10 and TM30 Modes
日期:2018-03-25 21:39 点击量:
Title: A Differential-Fed Microstrip Patch Antenna With Bandwidth Enhancement Under Operation of TM10 and TM30 Modes
Author: Liu, NW (Liu, Neng-Wu); Zhu, L (Zhu, Lei); Choi, WW (Choi, Wai-Wa)
Source: IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION Volume: 65 Issue: 4
Pages: 1607-1614 DOI: 10.1109/TAP.2017.2670329 Published: APR 2017
摘要:文章首次实现了基于TM10和TM30模辐射的低剖面差分贴片天线的频带展宽方法。首先,通过采用差分馈电结构,有效抑制了非法向辐射模。其次,通过采用短路销钉加载技术,提升了TM10模的谐振频点。然后,通过采用缝隙加载技术,降低了TM30模的谐振频点。此外,天线中心缝隙加载可以实现天线的宽带匹配特性。最终,使差分贴片天线具备低剖面(0.029λ0)、宽频带特性(13%),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。
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低剖面宽带多模差分贴片天线及其仿真测试S参数