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An Improved Method for Accurate Extraction of Coupling Coefficient between a Lossy Radiator and a Lossless Resonator in Filtering Antennas
Wu Q.-S.1,2; Zhang X.2,3; Zhu L.2
2018-07-04
Source PublicationIEEE Access
ISSN21693536
Volume6Pages:39927-39935
Abstract

A unique method for accurate extraction of coupling coefficient between a lossy radiator and a lossless resonator is proposed in this paper to facilitate the synthesis design of filtering antennas. To remove the parasitic effect of the radiation loss in extraction of coupling coefficient, the network parameters of the coupled resonators in lossless condition is derived and regained from the original lossy network. The unique relationship between the ABCD matrices of the lossless and lossy networks is revealed in detail via their closed-form expressions for both parallel- and series-resonant cases. Next, the coupling coefficient between a rectangular patch antenna and a λ/2 resonator is numerically extracted with the proposed method, which is further utilized to design a filtering antenna. Finally, the filtering antenna prototype is fabricated and measured, and good agreement among the theoretical, simulated, and measured results has experimentally verified the validity of the proposed method.

KeywordAccurate Extraction Coupling Coefficient Filtering Antenna Lossy And Lossless Resonators
DOI10.1109/ACCESS.2018.2853164
URLView the original
Indexed BySCI
Language英语
WOS Research AreaComputer Science ; Engineering ; Telecommunications
WOS SubjectComputer Science, Information Systems ; Engineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000441377100001
Fulltext Access
Citation statistics
Cited Times [WOS]:2   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.1School of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China
2.Department of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, Macau, China
3.ATR National Key Laboratory of Defense Technology, College of Information Engineering, Shenzhen University, Shenzhen 518060, China
First Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Wu Q.-S.,Zhang X.,Zhu L.. An Improved Method for Accurate Extraction of Coupling Coefficient between a Lossy Radiator and a Lossless Resonator in Filtering Antennas[J]. IEEE Access,2018,6:39927-39935.
APA Wu Q.-S.,Zhang X.,&Zhu L..(2018).An Improved Method for Accurate Extraction of Coupling Coefficient between a Lossy Radiator and a Lossless Resonator in Filtering Antennas.IEEE Access,6,39927-39935.
MLA Wu Q.-S.,et al."An Improved Method for Accurate Extraction of Coupling Coefficient between a Lossy Radiator and a Lossless Resonator in Filtering Antennas".IEEE Access 6(2018):39927-39935.
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