研究目的
To design a circularly polarized metasurface antenna based on an ensemble of electrically small cross-shaped resonators, achieving high gain and good circular polarization.
研究成果
The designed circularly polarized metasurface antenna achieves a gain of 11.4 dBi and an axial ratio of 1.3 dB at 3 GHz, demonstrating high gain and good circular polarization.
研究不足
The bandwidth of the circular polarization is very restricted.
1:Experimental Design and Method Selection:
The design involves an array of 8 × 8 cross-shaped resonators operating at 3 GHz, fed by two ports to achieve circular polarization through a 90° phase difference.
2:Sample Selection and Data Sources:
The resonators are hosted on a Rogers RT6010 substrate, with a combining network designed on Rogers RO4003 substrates.
3:List of Experimental Equipment and Materials:
Rogers RT6010 and RO4003 substrates, cross-shaped resonators, combining networks.
4:Experimental Procedures and Operational Workflow:
The design includes a multilayered structure with resonators on the first layer, ground planes on the second and fourth layers, and combining networks on the third and fifth layers.
5:Data Analysis Methods:
Full-wave simulation using CST Microwave Studio to analyze return loss, radiation pattern, gain, and axial ratio.
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