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. 2016 Oct 24;6:35968. doi: 10.1038/srep35968

Figure 4. Simulated performances of the metasurface with randomized 2-bit coding sequences.

Figure 4

The 3D scattering patterns under normal incidence of x-polarized EM wave for (a–c) the digital metasurface at 13.5 GHz, 17.5 GHz, and 21.5 GHz, respectively, as well as (d) the same-sized metallic slab at 21.5 GHz. The corresponding 2D counterparts in E-plane are displayed in (e–h), respectively. The 3D scattering patterns under normal incidence of y-polarized EM wave for (i–k) the digital metasurface at 13.5 GHz, 17.5 GHz, and 21.5 GHz, respectively, as well as (l) the same-sized metallic slab at 21.5 GHz. The corresponding 2D counterparts in E-plane are displayed in (m–p), respectively.