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An EH0-Mode Microstrip Leaky-Wave Antenna With Transversal Single Beam via Periodical Loading of Shorting Pins and U-Shaped Slots
Junbing Duan; Lei Zhu
2020-09-28
Source PublicationIEEE Antennas and Wireless Propagation Letters
ISSN1536-1225
Volume19Issue:12Pages:2187-2191
Abstract

This letter presents an improved fundamental EH0-mode microstrip leaky-wave antenna (MLWA) with a transversal single beam by periodically loading a set of shorting pins and U-shaped slots along the longitudinal direction. The original EH0-mode MLWA is constructed by periodically loading a set of shorting pins underneath the microstrip line, but it, unfortunately, radiates symmetric dual beams in the transversal plane. By etching a U-shaped slot in proximity to a shorting pin inside a periodic unit, the adjacent electric field around the shorting pin is interrupted so as to enhance the θ-polarized single beam in the longitudinal plane and weaken the dual symmetric φ-polarized dual beams in the transversal plane. An equivalent model is at first established to demonstrate the unique radiation principle of the proposed single-beam MLWA. Next, the effects of the size, shape, and position of a U-shaped slot on the radiation beam are analyzed under fixed pins. In final, a prototype MLWA structure with the improved transversal single-beam radiation performance is designed, fabricated, and measured. The simulated and measured results are found in good agreement with each other, thus validating that the proposed slot-loading technique is indeed useful for the single-beam design of EH0-mode pin-loaded MLWAs.

KeywordFundamental Eh0-mode Microstrip Leaky-wave Antenna (Mlwa) Transversal Single Beam U-shaped Slot
DOI10.1109/LAWP.2020.3027005
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEngineering ; Telecommunications
WOS SubjectEngineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000603036600037
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
Scopus ID2-s2.0-85098329554
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Cited Times [WOS]:2   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorLei Zhu
AffiliationDepartment of Electrical and Computer Engineering,Faculty of Science and Technology,University of Macau,Taipa,999078,Macao
First Author AffilicationFaculty of Science and Technology
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Junbing Duan,Lei Zhu. An EH0-Mode Microstrip Leaky-Wave Antenna With Transversal Single Beam via Periodical Loading of Shorting Pins and U-Shaped Slots[J]. IEEE Antennas and Wireless Propagation Letters,2020,19(12):2187-2191.
APA Junbing Duan,&Lei Zhu.(2020).An EH0-Mode Microstrip Leaky-Wave Antenna With Transversal Single Beam via Periodical Loading of Shorting Pins and U-Shaped Slots.IEEE Antennas and Wireless Propagation Letters,19(12),2187-2191.
MLA Junbing Duan,et al."An EH0-Mode Microstrip Leaky-Wave Antenna With Transversal Single Beam via Periodical Loading of Shorting Pins and U-Shaped Slots".IEEE Antennas and Wireless Propagation Letters 19.12(2020):2187-2191.
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