Distributed lumped loads and lossy transmission line model for wideband spiral antenna miniaturization and characterization

被引：47
|
作者：
Lee, Ming [1 ]
Kramer, Bradley A. [1 ]
Chen, Chi-Chih [1 ]
Volakis, John L. [1 ]
机构：
[1] Ohio State Univ, Dept Elect & Comp Engn, Electrosci Lab, Columbus, OH 43212 USA
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2007年 / 55卷 / 10期
关键词：
broadband antenna; miniaturization; spiral; transmission lines;
D O I：
10.1109/TAP.2007.905823
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 lossy transmission-line model that incorporates the radiation resistance of small loop antennas is introduced to characterize the input impedance of a spiral antenna over a large frequency range. This model also leads to a concept of controlling the current velocity and impedance on a spiral antenna by introducing distributed reactive loading along the spiral arms. An important application of the concept is to reduce antenna size and this is demonstrated by numerical simulation examples.
引用
收藏
页码：2671 / 2678
页数：8
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