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首页> 外文期刊>International journal of RF and microwave computer-aided engineering >High-precision dielectric sensor system based on balanced CSRR-SIW resonators
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High-precision dielectric sensor system based on balanced CSRR-SIW resonators

机译：基于平衡CSRR-SIW谐振器的高精度介电传感器系统

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摘要

A high-precision differential microwave dielectric sensor system based on apair of CSRR-SIW resonators is introduced. The proposed method consists offour parts: the frequency-sweeping signal source, the balanced sensor based onCSRR-SIW, the RMS power detector, and the data acquisition system. Withouta vector network analyzer (VNA) and other instruments, the electromagneticproperties of materials can be measured conveniently with the proposedmethod. In this work, two CSRR resonators inside SIW cavities are used as thebalanced RF sensing components, one for measurement and the other for reference.In virtue of the electric field concentration effect of the CSRR and thehigh Q factor of SIW cavity, the proposed sensor achieves high sensitivity tomaterial under test (MUT), with high isolation between the balanced resonatorsand strong capability of suppressing the electromagnetic interferencesfrom the external environment. The resonating frequency of the balancedmicrowave resonator under no-load condition is 1.587 GHz. With balancedsensor configuration, interferences from the external environment and fabricationerrors for the single-resonator-based system can be filtered out and compensatedautomatically, and thus high precision of the dielectric constantmeasurement can be achieved. The experiment results of proposed differentialdielectric sensor system validate that the measurement accuracy of the dielectricconstant can reach an excellent level with a relative measurement errorbelow 0.1%.
机译：基于A的高精度差分微波介质传感器系统介绍了对CSRR-SIW谐振器。所提出的方法包括四部分：频率扫描信号源，基于均衡传感器CSRR-SIW，RMS功率检测器和数据采集系统。没有矢量网络分析仪（VNA）和其他仪器，电磁材料的性质可以方便地用提议测量方法。在这项工作中，SIW腔内的两个CSRR谐振器用作平衡的RF传感组件，一个用于测量，另一个用于参考。凭借CSRR和CSRR的电场集中效应SIW腔高Q系数，所提出的传感器达到高敏感性经过测试（MUT）的材料，平衡谐振器之间的高隔离抑制电磁干扰的强大能力来自外部环境。均衡的谐振频率无负载条件下的微波谐振器为1.587 GHz。平衡传感器配置，外部环境的干扰和制造可以滤除基于单谐振器的系统的错误并补偿自动，从而高精度的介电常数可以实现测量。提出差异的实验结果介电传感器系统验证电介质的测量精度恒定可以达到相对测量误差的优异级别低于0.1％。

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  • 作者

    Hao Jiang; Xiaokang Qi; Quan Wang; Kuiwen Xu; Shichang Chen; Liang Wu; Fang Zhu; Wen-Sheng Zhao; Linxi Dong; Lixin Ran; Gaofeng Wang;

  • 作者单位

    Engineering Research Center of SmartMicrosensors and Microsystems Hangzhou Dianzi University Hangzhou China;

    Laboratory of Applied Research onElectromagnetics Zhejiang University Hangzhou China;

    Engineering Research Center of SmartMicrosensors and Microsystems Hangzhou Dianzi University Hangzhou China;

    Engineering Research Center of SmartMicrosensors and Microsystems Hangzhou Dianzi University Hangzhou China School of Mechatronic Engineering China University of Mining andTechnology Xuzhou Jiangsu China;

    Engineering Research Center of SmartMicrosensors and Microsystems Hangzhou Dianzi University Hangzhou China;

    Engineering Research Center of SmartMicrosensors and Microsystems Hangzhou Dianzi University Hangzhou China;

    Engineering Research Center of SmartMicrosensors and Microsystems Hangzhou Dianzi University Hangzhou China;

    Engineering Research Center of SmartMicrosensors and Microsystems Hangzhou Dianzi University Hangzhou China;

    Engineering Research Center of SmartMicrosensors and Microsystems Hangzhou Dianzi University Hangzhou China;

    Laboratory of Applied Research onElectromagnetics Zhejiang University Hangzhou China;

    Engineering Research Center of SmartMicrosensors and Microsystems Hangzhou Dianzi University Hangzhou China;

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  • 正文语种 eng
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  • 关键词

    anti-interference; balanced microwave sensor; differential design; high-precision; material measurement;

    机译：抗干扰;平衡微波传感器;差动设计;高精准度;材料测量;

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