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. 2020 Jan 14;20(2):457. doi: 10.3390/s20020457

Figure 1.

Figure 1

Metamaterial unit cell: (a) unit cell structure with g = 0.5 mm, r1 = 2.9 mm, r2 = 1.9 mm, r3 = 0.9 mm; (b) simulation set-up in the x-axis; (c) simulation set-up in the y-axis.