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- W4386320442 abstract "A dual-polarized paralle-plate waveguide slot array antenna operating at 24.5 GHz band is proposed in this paper. The antenna architecture consists of two orthogonally oriented 20×19 radiating slot arrays, where the slots are positioned collinearly. The centered longitudinal feeding slots are introduced into the feeding waveguides, which offer improved aperture efficiency and higher cross-polarization discrimination (XPD) compared to the conventional tilted feeding slot approach. The antenna achieves a remarkable simulated radiation efficiency of over 95% within the operation bandwidth. A prototype antenna is fabricated and verified through measurements. The measured results demonstrate an impedance bandwidth of 13%, with reflection below -10 dB. Moreover, the antenna achieves a simulated peak aperture efficiency of 54% and a measured peak antenna efficiency of 40%. The measured XPD of the antenna prototype exceeds 26 dB." @default.
- W4386320442 created "2023-09-01" @default.
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- W4386320442 date "2023-01-01" @default.
- W4386320442 modified "2023-10-16" @default.
- W4386320442 title "A Center-Fed Dual-Polarized Parallel-Plate Waveguide Slot Array Antenna Based on a Feeding Waveguide with Centered Longitudinal Feeding Slots" @default.
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- W4386320442 doi "https://doi.org/10.1109/access.2023.3310542" @default.
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