Compact Dual-Polarized Vivaldi Antenna with High Gain and High Polarization Purity for GPR Applications
Abstract
:1. Introduction
2. Antenna Design and Operating Mechanism
2.1. Antenna Configuration
2.2. Working Principle Analysis
2.2.1. The Shared-Aperture Configuration
2.2.2. The Oblique Arrangement of Vivaldi Elements
2.2.3. The Square Loop Reflector
3. Antenna Performance
3.1. Antenna Radiation Characteristics
3.2. Antenna Dispersion
4. GPR Experimental Validation
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Ref. | Freq. (GHz)/fBW | Isolation (dB) | XPD (dB) | Gain (dBi) | Size (λ3) 1 |
---|---|---|---|---|---|
[21] | 3.1–10.6/109% | 20 | 15 | Max. 10 | 0.36 × 0.36 × 0.55 |
[22] | 0.68–7.3/166% | 30 | 19 | 3.8–11.2 | 0.36 × 0.36 × 0.56 |
[23] | 0.56–7.7/173% | 28 | 17.2 | 1.2–9.2 | 0.24 × 0.24 × 0.35 |
[24] | 0.5–3.0/143% | 15 | NG | 1.0–8.6 | 0.33 × 0.33 × 0.30 |
Ant. | 0.4–4.0/164% | 40 | 23 | 4.0–12.0 | 0.28 × 0.28 × 0.20 |
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Sun, H.-H.; Lee, Y.H.; Luo, W.; Ow, L.F.; Yusof, M.L.M.; Yucel, A.C. Compact Dual-Polarized Vivaldi Antenna with High Gain and High Polarization Purity for GPR Applications. Sensors 2021, 21, 503. https://doi.org/10.3390/s21020503
Sun H-H, Lee YH, Luo W, Ow LF, Yusof MLM, Yucel AC. Compact Dual-Polarized Vivaldi Antenna with High Gain and High Polarization Purity for GPR Applications. Sensors. 2021; 21(2):503. https://doi.org/10.3390/s21020503
Chicago/Turabian StyleSun, Hai-Han, Yee Hui Lee, Wenhao Luo, Lai Fern Ow, Mohamed Lokman Mohd Yusof, and Abdulkadir C. Yucel. 2021. "Compact Dual-Polarized Vivaldi Antenna with High Gain and High Polarization Purity for GPR Applications" Sensors 21, no. 2: 503. https://doi.org/10.3390/s21020503