DUAL-BAND CIRCULARLY POLARIZED STACKED SQUARE MICROSTRIP ANTENNA WITH SMALL FREQUENCY RATIO

被引：25

作者：

Du, S. ^{[1
]}

Chu, Q-X. ^{[1
]}

Liao, W. ^{[1
]}

机构：

[1] S China Univ Technol, Sch Elect & Informat Engn, Guangzhou 510640, Peoples R China

来源：

JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS | 2010年 / 24卷 / 11-12期

关键词：

PATCH ANTENNA; DESIGN; GPS;

D O I：

10.1163/156939310792149696

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 probe-fed stacked square microstrip antenna for dual-band circularly polarized (CP) applications is presented. By properly selecting two square patches in the proposed design and loading a chip-resistance along the centerline of each square patch, dual-band CP radiation with small frequency ratio can be achieved. In order to prevent the second operating frequency from shifting to higher band which is resulted from a small air-gap between two substrates, an additional patch is introduced. Compared with conventional stacked dual-band CP antennas, the proposed antenna can achieve a smaller frequency ratio and has a larger tolerance of processing as well. Details of the proposed antenna design and experimental results for the dual-band CP performances are presented and discussed.

引用

页码：1599 / 1608

页数：10

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