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Dual-Polarized Low-Sidelobe Array Antenna Consisting of Power-Weighted Networks and Series-Fed Subarrays

  • Xi'an Jiaotong University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A dual-polarized low sidelobe level monopulse array antenna consisting of two types of series-fed resonant slot antenna subarrays and partially corporate-fed networks has been designed. The optimized vertical polarization subarray exhibits significantly improved impedance bandwidth. Amplitude tapering between individual elements of the subarray, in conjunction with power-weighted feed networks, suppressed the sidelobe levels in both the xoz and yoz planes. Measurements indicate that the -10 dB impedance bandwidth at each port exceeds 10%, the sidelobe levels are below -19 dB, and the relative null-depths are less than -37 dB.

Original languageEnglish
Title of host publicationEuCAP 2025 - 19th European Conference on Antennas and Propagation
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9788831299107
DOIs
StatePublished - 2025
Event19th European Conference on Antennas and Propagation, EuCAP 2025 - Stockholm, Sweden
Duration: 30 Mar 20254 Apr 2025

Publication series

NameEuCAP 2025 - 19th European Conference on Antennas and Propagation

Conference

Conference19th European Conference on Antennas and Propagation, EuCAP 2025
Country/TerritorySweden
CityStockholm
Period30/03/254/04/25

Keywords

  • Dual polarization
  • gap waveguide
  • low sidelobe
  • power-weighted network
  • slot antenna

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