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This study focused on the radome and proposed an absorber with a meta-dome structure for ultrawideband radar absorption using an FR-4 dielectric material on the metasurface absorber for protection. In addition to protecting the absorber, the metasurface absorber exhibited ultra-wideband frequency absorptivity from radar signals, with an absorptivity band from 4.6-12 GHz, including the C and X frequency bands of radar signals. A wide incidence angle should also be considered in addition to thedoi:10.1038/s41598-018-36273-8 fatcat:vwtm4yhngzehhgi6aylpqywj4u