研究目的
To design a novel dual-band miniaturized graphene antenna array with parasitic-coupled feed and mounted on PBG dielectric grating substrate for THz applications to overcome atmospheric losses.
研究成果
The proposed dual-band graphene antenna array on PBG dielectric grating substrate shows enhanced radiation characteristics suitable for THz applications, including imaging, security, and wireless communication. The design achieves high gain and directivity with efficient radiation performance.
研究不足
The study is limited to simulation results without physical prototype testing. Potential areas for optimization include further miniaturization and enhancement of radiation characteristics.
1：Experimental Design and Method Selection:
The design involves a graphene antenna array with parasitic-coupled feed on a PBG dielectric grating substrate. Theoretical models include graphene surface conductivity and SPP of PBG substrate.
2：Sample Selection and Data Sources:
Graphene patches and PBG substrate with specific dimensions and properties are used.
3：List of Experimental Equipment and Materials:
Graphene material, PBG substrate, dielectric grating substrate, and simulation software (CST microwave studio).
4：Experimental Procedures and Operational Workflow:
The antenna is modeled and simulated in CST microwave studio to analyze its performance.
5：Data Analysis Methods:
Performance is analyzed in terms of return loss, VSWR, impedance bandwidth, gain, radiation efficiency, and directivity.
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