研究目的
To propose and realize a wideband electromagnetic absorber featuring a resistive metasurface with Rossler Chaos reaction-diffusion system patterns.
研究成果
The proposed chaos pattern metasurface absorber demonstrates wideband electromagnetic wave absorption with high efficiency. The study reveals that the correlation between chaos patches enhances absorption and bandwidth, offering potential applications in anechoic chambers and other electromagnetic wave absorbers.
研究不足
The study focuses on a specific type of chaos pattern (Rossler model) and its application in electromagnetic absorbers. The experimental validation is limited to a certain frequency range and does not explore all possible chaos patterns or their variations.
1：Experimental Design and Method Selection:
The study involves designing a resistive metasurface with chaos patterns generated from the Rossler reaction-diffusion system. The methodology includes numerical simulations and experimental validation to assess the absorption performance.
2：Sample Selection and Data Sources:
The absorber consists of a resistive top layer, dielectric spacer, and back metal plate. The chaos pattern is binarized from a snapshot of spatiotemporal chaos generated by the Rossler model.
3：List of Experimental Equipment and Materials:
The resistive surface layer uses carbon series conductive ink printed on polyamide film, with a polyurethane foam spacer and a metallic plate at the bottom.
4：Experimental Procedures and Operational Workflow:
The study includes simulation of the absorber's performance with different chaos pattern parameters and piece sizes, followed by experimental validation using a fabricated sample.
5：Data Analysis Methods:
The analysis involves reflectivity measurements and correlation function analysis to understand the absorption mechanism.
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