Revisiting Relations for Modeling the Input Resistance of a Rectangular Microstrip Antenna

被引：2
|
作者：
Ghatak, Rowdra [1 ]
Pal, Manimala [1 ]
机构：
[1] Natl Inst Technol Durgapur, Dept Elect & Commun Engn, Durgapur, India
来源：
IEEE ANTENNAS AND PROPAGATION MAGAZINE | 2015年 / 57卷 / 04期
关键词：
FEED POSITION; IMPEDANCE;
D O I：
10.1109/MAP.2015.2453887
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：
The input resistance variation of an inset-fed rectangular microstrip antenna has been provided in two formulations: one is the cos4 variation, and the other one is a shifted cosine squared function. This article revisits these relations from the design perspectives of a rectangular microstrip antenna (RMSA) and reveals that the cos4 formulation for an inset-fed patch provides better matching compared with the shifted cosine squared formula, while it is suitable to use the latter for modeling input resistance in the vicinity of the patch center. A modified shifted cosine squared relation is proposed that provides a feed point position, showing improved matching of the feed line with an RMSA compared with the existing computer-aided design (CAD) formula. © 2015 IEEE.
引用
收藏
页码：116 / 119
页数：4
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