A dual-port dual-frequency, coaxial dual-helical antenna with high decoupling

被引：1

作者：

Zürcher, JF ^{[1
]}

机构：

[1] Ecole Polytech Fed Lausanne, Electromagnetism & Acoust Lab, CH-1015 Lausanne, Switzerland

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2005年 / 46卷 / 01期

关键词：

dual-frequency antenna; helical antenna; high decoupling; HDF; RFID;

D O I：

10.1002/mop.20883

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：

In order to obtain a circularly polarized and compact directive antenna for harmonic direction finding (HDF) of small animals using radio-frequency identification (RFID), A dual-port, dual-frequency coaxial dual-helical antenna is developed. The two frequencies are harmonics (2.45 and 4.9 GHz in our case),The antenna is realized using two coaxial, contradirective helices. Two-different principles of realization are tested. The measured decoupling between ports is between 22 and 28 dB for the best antenna. (c) 2005 Wiley Periodicals, Inc.

引用

页码：1 / 4

页数：4