Finite-ground-plane effects on the ultra-wideband planar monopole antenna

被引：23
|
作者：
Su, SW [1 ]
Wong, KL
Cheng, YT
Chen, WS
机构：
[1] Natl Sun Yat Sen Univ, Dept Elect Engn, Kaohsiung 804, Taiwan
[2] Cheng Shiu Univ, Dept Elect Engn, Kaohsiung 833, Taiwan
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2004年 / 43卷 / 06期
关键词：
planar monopole antennas; ultra-wideband (UWB) monopole antennas; finite ground-plane effects;
D O I：
10.1002/mop.20526
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Impedance and radiation characteristics of an ultra-wide-band (UWB) planar monopole antenna with a finite circular ground plane are experimentally studied. The significant effects of the ground-plane size on the lower-edge frequency of the antenna's impedance bandwidth are observed, and there exists an optimal diameter of the circular ground plane for achieving a maximum impedance bandwidth. Large ground-plane effects on the radiation pattern and antenna gain are also seen, especially for the lower frequencies in the antenna's UWB impedance bandwidth. Details of the experimental results are presented and discussed. (C) 2004 Wiley Periodicals, Inc.
引用
收藏
页码：535 / 537
页数：3
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