A Multiresonant Single-Element Wideband Slot Antenna

被引：111

作者：

Behdad, Nader ^{[1
]}

Sarabandi, Kamal ^{[1
]}

机构：

[1] Univ Michigan, Radiat Lab, Dept Elect Engn & Comp Sci, Ann Arbor, MI 48109 USA

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2004年 / 3卷

基金：

美国国家科学基金会;

关键词：

Broadband antennas; printed antennas; slot antennas;

D O I：

10.1109/LAWP.2004.825093

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：

A new technique for designing wideband slot antennas is proposed. In this technique, the aperture's electric field distribution is manipulated to create two fictitious short circuits along the slot, hence creating two additional resonances besides the main one. The frequencies of these fictitious resonances can be chosen such that the overall bandwidth of the antenna is drastically increased. By using this technique, a slot antenna with a 1.8:1 bandwidth ratio is designed and fabricated. The measured results of this antenna show similar radiation patterns at different frequencies in its band of operation. Furthermore, the antenna has a relatively constant gain and more importantly, it has an excellent polarization purity over the entire bandwidth.

引用

页码：5 / 8

页数：4

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