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. 2019 Jan 25;19(3):498. doi: 10.3390/s19030498

Figure 10.

Figure 10

Simulated S21 characteristics of the four permittivity sensors for MUTs in Table 2: (a) DR-CSRR; (b) SR-CSRR; (c) R-SR-CSRR; (d) proposed IDCS-DGS.