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Title: Compact dual-polarized vivaldi antenna with high gain and high polarization purity for GPR applications
Authors: Sun, Hai-Han
Lee, Yee Hui
Luo, Wenhao
Ow, Lai Fern
Mohamed Lokman Mohd Yusof
Abdulkadir C. Yucel
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2021
Source: Sun, H., Lee, Y. H., Luo, W., Ow, L. F., Mohamed Lokman Mohd Yusof & Abdulkadir C. Yucel (2021). Compact dual-polarized vivaldi antenna with high gain and high polarization purity for GPR applications. Sensors, 21(2).
Journal: Sensors
Abstract: A compact ultra-wideband dual-polarized Vivaldi antenna is proposed for full polarimetric ground-penetrating radar (GPR) applications. A shared-aperture configuration comprising four Vivaldi elements for orthogonal polarizations is designed to reduce the low-end operating frequency and improve the port isolation with a compact antenna size. The directivity of the antenna is enhanced by the oblique position of the radiators and the implementation of a square loop reflector. Experimental results demonstrate that the antenna has very good impedance matching, port isolation, and dual-polarized radiation performance, with low dispersion characteristics across band of interest from 0.4 GHz to 3.0 GHz. GPR measurements with the designed antenna show that the antenna maintains good detection capability even for objects buried in a highly conductive soil.
ISSN: 1424-8220
DOI: 10.3390/s21020503
Schools: School of Electrical and Electronic Engineering 
Rights: © 2021 The Authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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