Grating lobe Analysis and Suppression of a Waveguide-Fed Metasurface Antenna
2023 IEEE International Symposium On Antennas And Propagation (ISAP)（2023）
Abstract
A closed-form analysis of the grating lobes of the waveguide-fed metasurface antenna is presented in this paper. Based on the closed-form analysis, a boundary condition is derived to ensure full-space beam scanning without grating lobe. Furthermore, two methods for suppressing grating lobe beyond the boundary condition are investigated.
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Key words
waveguide-fed metasurface,grating lobes suppressing,closed-form analysis
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