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Simulated resonant frequencies of S21 responses for the four permittivity sensors in GHz.
| Sensor Type | Unloaded (εr = 1) |
TLY-5A (εr = 2.17) |
RF-301 (εr = 2.97) |
TRF-43 (εr = 4.3) |
RF-60A (εr = 6.15) |
RF-10 (εr = 10.2) |
|---|---|---|---|---|---|---|
| DR-CSSR | 1.5 | 1.399 | 1.344 | 1.262 | 1.178 | 1.039 |
| SR-CSSR | 1.5 | 1.384 | 1.322 | 1.232 | 1.14 | 0.994 |
| R-SR-CSSR | 1.5 | 1.351 | 1.275 | 1.167 | 1.062 | 0.905 |
| Proposed IDCS-DGS | 1.5 | 1.317 | 1.226 | 1.104 | 0.988 | 0.823 |
