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Study of microstrip slotted EH2-mode leaky wave antenna from circuit perspective
Peng Fei Zhang1; Lei Zhu2; Sheng Sun1
Conference NameAsia-Pacific Conference on Microwave
Source PublicationAsia-Pacific Microwave Conference Proceedings, APMC
Conference Date10-13 Dec. 2019
Conference PlaceSingapore

This paper studies the effects of transversallyloaded slot and longitudinally-loaded slot on the microstrip second higher order mode leaky-wave antenna from a circuit perspective. The transversally-loaded slot array introduces a radiation beam with θ-polarization through the enhancement of the cross polarization, while the longitudinally-loaded slot array can effectively reduce the dual I-polarization radiation beams due to the field cancellation. As a result, the single radiation beam can be obtained when the I-shaped slot array is mounted along the microstrip leaky-wave radiation strip under the second higher order mode excitation. As a model analysis, the equivalent πcircuit is established and extracted to understand the loading effect of periodic properties. The results show that the transversal slots mainly work as a series impedance, while the longitudinal slots contribute to the shunt admittance. The obtained circuit model successfully explains the physical insides of the propagation constant and the radiation characteristics.

KeywordFlexible Beam Microstrip Second Higher Order Mode Slot Array Slotted Leaky Wave Antenna
URLView the original
Indexed ByCPCI-S
WOS Research AreaTelecommunications
WOS SubjectTelecommunications
WOS IDWOS:000565730300430
Scopus ID2-s2.0-85082998921
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Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionUniversity of Macau
Affiliation1.School of Electronic Science and Engineering,University of Electronic Science and Technology of China,Chengdu,China
2.Department of Electrical and Computer Engineering, Faculty of Science and Technology University of Macau Macau, China
Recommended Citation
GB/T 7714
Peng Fei Zhang,Lei Zhu,Sheng Sun. Study of microstrip slotted EH2-mode leaky wave antenna from circuit perspective[C],2020:1277-1279.
APA Peng Fei Zhang,Lei Zhu,&Sheng Sun.(2020).Study of microstrip slotted EH2-mode leaky wave antenna from circuit perspective.Asia-Pacific Microwave Conference Proceedings, APMC,2019-December,1277-1279.
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