Microwave Sensors based on Symmetry Properties and Metamaterial Concepts: a Review of Some Recent Developments

被引：0
|
作者：
Mata-Contreras, Javier [1 ]
Su, Lijuan [1 ]
Martin, Ferran [1 ]
机构：
[1] Univ Autonoma Barcelona, CIMITEC, Dept Engn Elect, Bellaterra 08193, Spain
来源：
2017 IEEE 18TH WIRELESS AND MICROWAVE TECHNOLOGY CONFERENCE (WAMICON) | 2017年
关键词：
microwave sensors; metamaterials; symmetry properties; angular velocity sensors; dielectric characterization; SPLIT-RING RESONATORS; ANGULAR DISPLACEMENT; MICROFLUIDIC SENSOR; ALIGNMENT; PAIRS;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper presents some sensing strategies for microwave sensors based on symmetry properties and metamaterial-inspired resonators. Symmetry disruption is the key aspect in all the cases. The sensors consist of a transmission line loaded with one or two resonant elements in a symmetric configuration. Two types of sensors are considered: (i) coupling modulation sensors, and (ii) frequency splitting sensors. The former are useful to monitor spatial variables and are of particular interest for angular displacement and velocity sensors. Frequency splitting sensors can be used as comparators or for differential measurements of permittivities in dielectric samples. Examples of applications are reported.
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页数：6
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