研究目的
Investigating the design and performance of a dual-band metamaterial absorber for X and Ku band sensing applications.
研究成果
The study presents a metamaterial absorber based on a Ring with mirror reflexed C-shape for sensing applications in the X and Ku band, demonstrating high absorption rates and potential applications in satellite communication and radar systems. The design's compactness and performance were validated through simulations and measurements, though further studies are suggested for error minimization and exploring flexible substrates.
研究不足
The study mentions limitations in measuring the absorption rating accurately in the measurement and simulation environment based on unit cell performance for practical applications. It also notes the need for further studies on error minimization and the exploration of flexible substrates for more versatile applications.
1：Experimental Design and Method Selection:
The study utilized the finite-integration technique (FIT)-based CST microwave studio simulation software for designing and analyzing the metamaterial absorber. A transmission line model was analyzed for the prototype.
2：Sample Selection and Data Sources:
The metamaterial absorber was fabricated on a FR-4 (lossy) substrate with copper metallic elements.
3：List of Experimental Equipment and Materials:
CST Microwave Studio 2017 software, FR-4 substrate, copper for metallic elements.
4：Experimental Procedures and Operational Workflow:
The design involved two square ring resonators and a mirror reflexed C-shape embossed on the dielectric material with a solid ground plane. The absorption was measured and compared with computational results.
5：Data Analysis Methods:
The absorption was analyzed using a quasi-TEM field distribution, and the results were validated through simulation and measurement.
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