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Three-dimensional circular patch antenna under TM02 mode with improved impedance matching
Shiyan Wang1; Lei Zhu2; Jianpeng Wang1; Wen Wu1
2019-02-21
Source PublicationElectronics Letters
ISSN0013-5194
Volume55Issue:4Pages:169-170
Abstract

A circular patch antenna under TM 02 mode with improved impedance matching is proposed by adopting 3D architecture. It is known that the TM 02 mode of circular patch can generate omnidirectional radiation, but its input resistance reaches maximum at centre point. In this context, impedance matching is difficult to be achieved and the feeding probe is often supposed to be placed a distance away from the centre, inevitably destroying the symmetry of radiation pattern. Without introducing pins or slots, a direct strategy is here employed where the circular patch is folded to form a concave at its centre. It is found that the input resistance can be effectively reduced with increasing depth of concave since the described concave serves as vertical electric wall in cavity and weakens the electric field in the region between centre and ground. By using electroplate technology based on plastics, a 3D antenna prototype is fabricated and measured to validate the proposed methodology.

DOIhttps://doi.org/10.1049/el.2018.8183
Indexed BySCI
Language英语
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Document TypeJournal article
CollectionFaculty of Science and Technology
DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.School of Electronic and Optical Engineering, Nanjing University of Science and Technology, People's Republic of China
2.University of Macau, People's Republic of China
Recommended Citation
GB/T 7714
Shiyan Wang,Lei Zhu,Jianpeng Wang,et al. Three-dimensional circular patch antenna under TM02 mode with improved impedance matching[J]. Electronics Letters,2019,55(4):169-170.
APA Shiyan Wang,Lei Zhu,Jianpeng Wang,&Wen Wu.(2019).Three-dimensional circular patch antenna under TM02 mode with improved impedance matching.Electronics Letters,55(4),169-170.
MLA Shiyan Wang,et al."Three-dimensional circular patch antenna under TM02 mode with improved impedance matching".Electronics Letters 55.4(2019):169-170.
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