A tunable antenna with the combination of two kinds of liquid materials

Gaosheng Li, Gui Gao, Lian Bian, Zhonghao Lu, Chaoyun Song

Research output: Contribution to journalArticlepeer-review

Abstract

A tunable antenna consists of two kinds of liquid materials is designed and investigated for the first time. Compared with single liquid antenna, the antenna with two kinds of liquids offers more flexibility for the designing. Insoluble liquid such as oil can be used together with the distilled water, the sea water or saline water. A thin pole is added to make use of the fluidity of liquid and bring adjustment to the antenna according to the principle of communicating vessels. The comparison of pure liquid and the combination of different materials are carried out first. Furthermore, the influence of the distribution of the liquid materials, the feeding locations and the length of the feeding probe are analyzed. The simulation results indicate the radiation potential and the reconfigurability of the antenna. To drag out or push in the adjustment pole as well as to change the parameters of the structure can bring the variations of the antenna performance effectively, including the matching and the radiation features.

Original languageEnglish
Pages (from-to)966-973
Number of pages8
JournalApplied Computational Electromagnetics Society Journal
Volume32
Issue number11
Publication statusPublished - Nov 2017

Keywords

  • Hybrid antenna
  • Liquid antenna
  • Monopole antenna
  • Tunable antenna
  • Water antenna

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Electrical and Electronic Engineering

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