ON SLOT-COUPLED MICROSTRIP ANTENNAS AND THEIR APPLICATIONS TO CP OPERATION - THEORY AND EXPERIMENT

被引：50

作者：

AKSUN, MI

CHUANG, SL

LO, YT

机构：

[1] Department of Electrical and Computer Engineering, University of Illinois, Urbana

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 1990年 / 38卷 / 08期

关键词：

D O I：

10.1109/8.56958

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 simple theory based on the cavity model is developed to analyze microstrip antennas excited by a slot in the ground plane. By using an equivalent magnetic current source at the feed, the electric field under the patch is obtained in terms of a set of cavity modes. In particular, the loci of the slot feed location for achieving the circular polarization and the input impedance are computed and found to be in excellent agreement with the experimentally measured results. Simple but surprisingly accurate formulas for slot-fed circularly polarized microstrip antennas are derived and compared with those for probe-fed counterparts. © 1990 IEEE

引用

页码：1224 / 1230

页数：7

共 16 条

[1] DOUBLE-SLOT-FED MICROSTRIP ANTENNAS FOR CIRCULAR-POLARIZATION OPERATION [J].