研究目的
To design a wideband metamaterial antenna by enhancing the bandwidth through the replacement of a horizontal ohm’s shape slot with a series horizontal slot.
研究成果
The design successfully achieved a wideband metamaterial antenna with a bandwidth from 2.2 GHz to 4.6 GHz, resonating at 2.6 GHz, 3.4 GHz, and 4.5 GHz, with high efficiency and peak gains. The antenna is suitable for WLAN applications, with potential for further optimization for cognitive radio applications.
研究不足
The study is based on simulation results; practical implementation and testing may reveal additional constraints. Further work is suggested to reconfigure the antenna for single bands for multi-frequency operations.
1：Experimental Design and Method Selection:
The design and optimization of the antenna were achieved using CST software. A parametric analysis was conducted by varying the position of the slot Ln to determine the optimal position for wideband performance.
2：Sample Selection and Data Sources:
The antenna was designed with specific physical features, including a 0.7 mm thickness horizontal slot, and used low cost FR4 substrate with 1.6 mm thickness and dielectric constant of 4.
3：7 mm thickness horizontal slot, and used low cost FR4 substrate with 6 mm thickness and dielectric constant of List of Experimental Equipment and Materials:
3.
3. List of Experimental Equipment and Materials: Computer Simulation Technology (CST) software was used for simulation. The antenna dimensions and materials are specified.
4：Experimental Procedures and Operational Workflow:
The design process involved creating a horizontal slot in the top patch and conducting parametric studies to optimize the slot position for wideband performance.
5：Data Analysis Methods:
The effectiveness of the design was evaluated based on impedance bandwidth, resonating bands, peak gain, and efficiency.
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