Dual-Polarized Nonuniform Fabry–Pérot Cavity Antenna With Flat-Topped Radiation Pattern
IEEE Antennas and Wireless Propagation Letters(2022)
Abstract
A method to realize the flat-topped radiation pattern of Fabry–Pérot cavity antenna is proposed based on the ray-tracing model. In the design, a nonuniform partially reflective surface of dielectric substrate is proposed to reduce the sidelobe level and get a fast roll-off in the operating frequency band. Besides, a dumb source array is added around the dual-polarized feed array to minimize the di...
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Key words
Antenna radiation patterns,Antennas,Ray tracing,Lenses,Antenna feeds,Reflection,Phased arrays
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