Polarization characteristics of patch antenna using in-plane and weakly biased ferrite substrate

被引：11

作者：

Fukusako, T ^{[1
]}

Imahase, A ^{[1
]}

Mita, N ^{[1
]}

机构：

[1] Kumamoto Univ, Dept Elect & Comp Engn, Kumamoto 8608555, Japan

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2004年 / 52卷 / 01期

关键词：

ferrite; patch antenna; circular polarization; cross-slot; polarization control;

D O I：

10.1109/TAP.2003.820972

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 square patch antenna using an in-plane biased yttrium iron garnet (YIG) polycrystalline substrate is presented. The patch antenna is fed through a cross-slot with slots of equal or unequal length to control the polarization. The experimental results reveal that the rotation direction of the elliptical polarization was switched between right-hand circular polarization (RHCP) and left-hand circular polarization (LHCP) controlling the axial ratio continuoulsly without switching devices. The antenna gain was also investigated with respect to this polarization switching and the magnetic bias.

引用

页码：325 / 327

页数：3

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