Reconfigurable multiband patch antenna for Ground Penetrating Radar applications

2012 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2012-10-08 DOI:10.1109/APWC.2012.6324972

A. Amiri, K. Tong, K. Chetty

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引用次数: 4

Abstract

Multi-frequency Ground Penetrating Radar (GPR) has become increasingly popular choice of system design in order to enhance the ability to operate in diverse environmental conditions as well as different scanning methods and target characterisation. The main component of a GPR system is comprised of an antenna design and the recent interests in multi frequency radar systems have coincided with the development of frequency reconfigurable antennas which can provide suitable performance. In this work, a new reconfigurable patch antenna is investigated, that is able to switch between different radar operating frequencies using modelled RF MEMS switches. Different combinations of the switches allow the design to alter the length and shape of the radiating element. The initial design of the antenna consists of a circular patch surrounded by multiple annual rings that can be connected together according to the switches activation configuration. Experimental work and modifications to the initial design are in progress and the results will be presented in the ICEAA-IEEE APWC conference.

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用于探地雷达应用的可重构多波段贴片天线

多频探地雷达(GPR)已成为越来越受欢迎的系统设计选择，以提高在不同环境条件下的工作能力，以及不同的扫描方式和目标特征。探地雷达系统的主要组成部分是天线设计，近年来人们对多频雷达系统的兴趣与频率可重构天线的发展相吻合，这种天线可以提供合适的性能。在这项工作中，研究了一种新的可重构贴片天线，它能够使用建模的RF MEMS开关在不同的雷达工作频率之间切换。开关的不同组合允许设计改变辐射元件的长度和形状。天线的初始设计由一个圆形贴片组成，周围环绕着多个年轮，这些年轮可以根据开关激活配置连接在一起。实验工作和对初始设计的修改正在进行中，结果将在ICEAA-IEEE APWC会议上公布。

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2012 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)

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