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Alternative TitleA Modified UWB Monopole Antenna Design
张科强; 南琳
Source Publication机械设计与制造
Contribution Rank1
Funding Organization国家自然科学基金项目(61174164,61003208,61105067)
Keyword圆盘单极子 超宽带uwb 平面单极子天线 微带天线
Abstract为了改善平面超宽带(Ultra Wideband,UWB)单极子天线的性能,提出了在天线的接地板上引入圆弧形切口和将方形接地板的直角改成圆角的设计方法,经过此方法改进后的天线其表面电流分布发生了改变,天线的阻抗特性得到改善,工作带宽进一步扩展,完全覆盖了美国联邦通信委员会(FCC)规定的超宽带工作频段(3.1~10.6)GHz。采用电磁场仿真软件Ansoft HFSS对天线的性能进行仿真,并绘制天线的方向图,仿真结果表明改进后的天线在较低频率几乎实现了全向辐射的方向性,同时也为验证了此改进方法的可行性及有效性。
Other AbstractA method to modify the Ultra Wideband(UWB)monopole antenna is proposed to improve its performance. By adding a segment of arc on the ground plane and changing the right angles of the ground plane to fillets,the current distributions of the antenna is changed,the impedance characteristics is improved and the bandwidth is broadened,covering the bandwidth of the ultra wideband that is stipulated by Federal Communication Commission. The antenna is simulated by electromagnetic simulation software Ansoft HFSS,and in the last the radiation patterns of this antenna are given,with the simulation results indicating that the improved antenna is nearly achieved omnidirectional radiation at a lower frequency and also shows the design is practicable and effective.
Document Type期刊论文
Recommended Citation
GB/T 7714
张科强,南琳. 一种改进的UWB平面单极子天线设计[J]. 机械设计与制造,2012(12):198-200.
APA 张科强,&南琳.(2012).一种改进的UWB平面单极子天线设计.机械设计与制造(12),198-200.
MLA 张科强,et al."一种改进的UWB平面单极子天线设计".机械设计与制造 .12(2012):198-200.
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