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An Angular Displacement Sensor Based on Microstrip Wideband Impedance Transformer with Quasi-Chebyshev Frequency Response
Hong-Xu Zhu1; Pedro Cheong1,2; Kam-Weng Tam1; Sut-Kam Ho1; Wai-Wa Choi1
2020-04-15
Source PublicationIEEE Sensors Journal
ISSN1530-437X
Volume20Issue:8Pages:4200-4206
Abstract

In this paper, the design methodology of a microstrip angular displacement sensor based on an impedance transformer with a quasi-Chebyshev frequency response is proposed. This sensor with impedance transforming function can realize the angular displacement detection by bandwidth sensing, and matching sensing simultaneously. The insertion loss in stopband achieves 24.9 dB to 32.6 dB with an average bandwidth selectivity of 2.25 MHz/degree of the sensor centered at 2.4 GHz with two poles of 1.71 GHz and 2.81 GHz. Meanwhile, the average matching level of return loss for displacement sensitivity are 0.18 dB/degree and 0.15 dB/degree, respectively. It is the first time to apply an impedance transformer into the angular displacement sensor design for both bandwidth and matching level sensing among reviewed literatures. In this design, the load-to-source impedance transformation is designed for 250-to-50 Ω, and by adding a rotated stub on the proposed microstrip transformer, the sensing function is developed with angular displacement.

KeywordAngular Displacement Sensors Impedance Transformer Microwave Quasi-chebyshev
DOI10.1109/JSEN.2019.2963451
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEngineering ; Instruments & Instrumentation ; Physics
WOS SubjectEngineering, Electrical & Electronic ; Instruments & Instrumentation ; Physics, Applied
WOS IDWOS:000522206500025
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 445 HOES LANE, PISCATAWAY, NJ 08855-4141
Scopus ID2-s2.0-85082168681
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Citation statistics
Cited Times [WOS]:7   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Corresponding AuthorHong-Xu Zhu
Affiliation1.Faculty of Science and Technology,University of Macau,999078,Macao
2.Poly-Grames Research Center,Department of Electrical Engineering,Ecole Polytechnique de Montreal,Montreal,H3T1J4,Canada
First Author AffilicationFaculty of Science and Technology
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Hong-Xu Zhu,Pedro Cheong,Kam-Weng Tam,et al. An Angular Displacement Sensor Based on Microstrip Wideband Impedance Transformer with Quasi-Chebyshev Frequency Response[J]. IEEE Sensors Journal,2020,20(8):4200-4206.
APA Hong-Xu Zhu,Pedro Cheong,Kam-Weng Tam,Sut-Kam Ho,&Wai-Wa Choi.(2020).An Angular Displacement Sensor Based on Microstrip Wideband Impedance Transformer with Quasi-Chebyshev Frequency Response.IEEE Sensors Journal,20(8),4200-4206.
MLA Hong-Xu Zhu,et al."An Angular Displacement Sensor Based on Microstrip Wideband Impedance Transformer with Quasi-Chebyshev Frequency Response".IEEE Sensors Journal 20.8(2020):4200-4206.
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