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Design of Dual Band Meta-Material Resonator Sensor for Material Characterization

机译：双带元材料谐振器传感器的设计

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摘要

This paper describes the design and implementation of the dual band metamaterial resonator for sensing applications by employing perturbation theory in which the dielectric properties of resonator affect Q-factor and resonance frequency. The designed sensor operates at two resonance frequency 3.20 GHz and 4.18 GHz in the range of 1 GHz to 5.5 GHz for testing solid materials. The Computer Simulation Technology (CST) software is used to design and model this sensor and it was analyzed by using vector network analyzer (VNA) for testing measurement. This study uses empirical equation from the tested materials with well-known permittivity to estimate the permittivity of other materials with unknown permittivity. The proposed sensor has achieved a narrow band with high Q-factor value of 642 and 521 at the operating frequencies of 3.16 GHz and 4.18 GHz respectively. These findings are compared with findings of previous study and the proposed sensor has achieved a high sensitivity and accuracy of 80% compare to others. This is proof that this senor could be used to characterize materials and sensing applications.
机译：本文介绍了通过采用扰动理论来检测应用的双带超材料谐振器的设计和实现，其中谐振器的电介质特性影响Q系数和谐振频率。设计的传感器在两个共振频率3.20 GHz和4.18 GHz的范围内运行，范围为1 GHz至5.5 GHz，用于测试固体材料。计算机仿真技术（CST）软件用于设计和造型该传感器，并通过使用传染媒介网络分析器（VNA）进行测试进行测试测量。该研究采用了经过众所周知的介入性的测试材料的经验方程，以估计其他材料具有未知介电常数的介电常数。所提出的传感器在3.16GHz和4.18GHz的工作频率下实现了高Q系数值642和521的窄带。将这些发现与先前研究的结果进行了比较，所提出的传感器已经实现了与他人相比的80％的高灵敏度和准确度。这证明了这位参议员可用于表征材料和传感应用。

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