Jie Jin, Qing Wang, Yi Li, Zexun Zheng, Zhengrui He, Xi Li, Gaohua Liu, Han-song Su
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引用次数: 0
摘要
提出了一种基于“”形结构和高频仿真软件(HFSS)的低损耗、宽频带和小尺寸的新型超材料，可用于Ku波段的应用。所述超材料单元以周期性结构布置，置于FR4衬底的一侧。首先介绍了仿真软件和超材料模型;其次，利用HFSS计算透射系数和反射系数;最后，采用s参数检索方法提取的有效电磁参数表明，“”形结构具有8.75 GHz ~ 13.90 GHz的双负频带。其绝对带宽达到5.15 GHz，相对带宽为45.47%，电长度小于0.05，最大损耗为0.27 dB /单位。这种性能优异的新型超材料结构为超材料在Ku波段的广泛应用奠定了良好的基础。
Design and Teaching Practice of Simulation Experiment of “ I ” Shaped Metamaterial *
A novel type of metamaterial is proposed with low loss, wide band and small size, based on “ ” shaped structure and high frequency simulation software (HFSS), it can be used for the application of Ku band. The metamaterial unit is arranged in periodic structures, placed on one side of FR4 substrate. Firstly, the simulated software and metamaterial model are introduced; secondly, the transmission and reflection coefficients can be calculated by HFSS; finally, the Effective electromagnetic parameters extracted by S-parameter retrieval method indicates that the “ ” shaped structure has a double negative frequency band range from 8.75 GHz to 13.90 GHz. Its absolute bandwidth reaches 5.15 GHz with relative bandwidth of 45.47%, the electrical length less than 0.05, and its biggest loss of 0.27 dB per unit. This novel metamaterial structure with great performance lay good foundation for the widely use of metamaterial in Ku band.
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