Table 1 Comparison of EMR for different design steps.

From: Interconnected four split rectangular ring resonator flexible metamaterial for microwave sensing application

Design steps

Step 1

Step 2

Step 3

Step 4

Final design

Resonant Frequency (GHz)

6.14

7.37

7.25, 9.91

7.26, 9.81

6.72, 8.65

EMR

6.09

5.08

5.16, 3.78

5.16, 3.81

5.57, 4.33

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