<abstract xmlns="http://www.w3.org/1999/xhtml"><p>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.</p></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.

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

University of Electronic Science and Technology of China

Department of Electrical/Electronic Engineering

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Bowtie antenna-based time reversal mirror (TRM), incorporating with randomly distributed and arbitrarily shaped wire metamaterials medium, is proposed to...

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

Published Online: Jul 18, 2019

Page range: 236 - 243

Received: Mar 28, 2019

DOI: https://doi.org/10.2478/jee-2019-0032

Keywords
electromagnetic time reversal, super-resolution, target detection, time reversal mirror

© 2019 Baidenger Agyekum Twumasi et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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

Published Online: Jul 18, 2019

Page range: 236 - 243

Received: Mar 28, 2019

DOI: https://doi.org/10.2478/jee-2019-0032

Keywordselectromagnetic time reversal, super-resolution, target detection, time reversal mirror

© 2019 Baidenger Agyekum Twumasi et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
electromagnetic time reversal, super-resolution, target detection, time reversal mirror