A Wideband High Gain Transmit‐Array Antenna Exploiting Polarization‐Rotated Metasurface Cell
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Antenna engineering paper on a metasurface-based transmit-array; the object is a device design.
This engineering study develops and tests a metasurface antenna, not research practice.
Antenna engineering design of a transmit-array metasurface; applied physics/engineering.
Résumé
ABSTRACT A novel polarization‐insensitive transmit‐array (TA) antenna using linear polarization‐rotated (PR) metasurface (MS) unit cells has been proposed in this article. Firstly, we design a wideband polarization‐insensitive polarization‐rotated MS unit cell. The MS cell can provide high transmission for incident linear polarized waves with polarization rotation by 90°. Then, we investigate the stability of the MS cell under the oblique incident wave. The proposed MS cell keeps a stable response under oblique incident wave over ± 30°. To verify the excellent performance of the proposed MS. We design a high‐gain TA antenna consisting of a standard feed horn and an aperture with a gradient phase. The gradient phase compensation is provided by varying the geometric dimension of the proposed MS. The obtained TA antenna works in a wide band with high gain. We fabricated the aperture and set up a prototype of TA antenna to verify our work. We measure the TA antenna and the results show a wide operating band from 14.2 to 18 GHz with a pick gain of 23.9 dBi. The favorable performance of the TA antenna is a good candidate in satellite systems and long‐distance satellite system. Furthermore, the angular stability of the MS cell is also verified by realizing the beam scanning performance. An over ± 30° scan range is obtained. Good beam scanning can be used in radar detection and expand signal coverage.
Conservé avec la notice de tri, où il sert de preuve aux étiquettes ci-dessus.
La notice
- Revue
- Microwave and Optical Technology Letters
- Thématique
- Advanced Antenna and Metasurface Technologies
- Domaine
- Engineering
- Établissements canadiens
- —
- Organismes subventionnaires
- Natural Sciences and Engineering Research Council of CanadaGovernment of Jiangsu Province
- Mots-clés
- OpticsWidebandPolarization (electrochemistry)Antenna gainPhysicsAntenna (radio)Antenna apertureRadiation patternEngineeringElectrical engineering
- Résumé présent dans OpenAlex
- oui