Numerical simulation study on bowtie antenna-based time reversal mirror for super-resolution target detection-Reference-Cited by-同舟云学术

Numerical simulation study on bowtie antenna-based time reversal mirror for super-resolution target detection

Published:2019-06-01 Issue:3 Volume:70 Page:236-243
ISSN:1339-309X
Container-title:Journal of Electrical Engineering
language:en
Short-container-title:

Author:

Twumasi Baidenger Agyekum¹²,Li Jia-Lin¹

Affiliation:

1. School of Physics , University of Electronic Science and Technology of China , Chengdu 610054 , China

2. Department of Electrical/Electronic Engineering , Ho Technical University (HTU) , Ho , Ghana

Abstract

Abstract Bowtie antenna-based time reversal mirror (TRM), incorporating with randomly distributed and arbitrarily shaped wire metamaterials medium, is proposed to realize super-resolution target detection. The achieved performance for standard and scatterer bowtie antenna TRM is compared and discussed. The dual-band bowtie antennas resonate at 2.45 GHz and 5.2 GHz and a super-resolution of 0.0817 of the free-space wavelength at 2.45 GHz has been achieved. For the first time, studies show that the TRM with microstructure perturbations (namely scatterers) can enhance the resolution in some cases. Proposing a method of super-resolving transmission of electromagnetic waves is very important to realize multi-independent channels in a compact space for the related applications.

Publisher

Walter de Gruyter GmbH

Link

https://www.sciendo.com/pdf/10.2478/jee-2019-0032

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