Frequency selective surface based two-dimensional displacement sensor with high sensitivity

被引：0
|
作者：
Song, Lei [1 ]
Wu, Bian [1 ]
Zhao, Yu-Tong [1 ]
Chen, Liang [2 ]
Wu, Mao-Song [2 ]
机构：
[1] Xidian Univ, Natl Key Lab Antennas & Microwave Technol, Xian 710071, Peoples R China
[2] 701 Res Inst, Sci & Technol Electromagnet Compatibil Lab, Wuhan 430064, Peoples R China
来源：
2019 INTERNATIONAL APPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY SYMPOSIUM - CHINA (ACES), VOL 1 | 2019年
基金：
中国国家自然科学基金;
关键词：
frequency selective surface; polarization dependent; displacement; two-dimensional; high sensitivity;
D O I：
10.23919/aces48530.2019.9060599
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A two-dimensional displacement sensor based on the two-layer frequency selective surface (FSS) is designed. The FSS with two perpendicular half wavelength (lambda/2) resonators in different length is polarization dependent. And by means of the resonant characteristic of the lambda/2 resonators and the polarization dependency, both the theoretical analysis and simulated results show that the FSS based displacement sensor can distinguish displacement in two dimensions. And the simulated results show that the two-dimensional displacement sensor has high sensitivity of 372MHz/mm in y direction and 162.4MHz/mm in x direction. Thus it has the advantages of two-dimensional displacement sensing, wireless, chipless, and low cost.
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页数：2
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