International Journal of Antennas and Propagation / 2019 / Article / Fig 1

Research Article

Design of Multilayer Frequency-Selective Surfaces by Equivalent Circuit Method and Basic Building Blocks

Figure 1

The four FSS structures as the building blocks of multilayer FSSs. (a) Square grids (SGs). (b) Square patches (SPs). (c) Square loops (SLs). (d) Square slots (SSs). Metallic parts are colored in grey.

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