Ultra-wideband low radar cross-section metasurface and its application on waveguide slot antenna array Project supported by the National Natural Science Foundation of China (Grant Nos. 61671464, 61701523, and 61471389). |
(color online) Monostatic RCSR versus frequency of the composite planar MS array normalized by the same-sized PEC surface. Inset: 3D scattering patterns under normal incidence at 4.7 GHz, 10.4 GHz, and 16.8 GHz. |
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