Table 1.
Parameter values of the proposed microwave sensor.
| Parameters | Description | Values (mm) |
|---|---|---|
| w_1 | The width of first coupling line | 4.8 |
| w_2 | The width of second coupling line | 1.4 |
| w_3 | The width of third coupling line | 0.6 |
| w_4 | The width of coupling feedline | 0.5 |
| w | The width of SRR structure line | 0.4 |
| gap_1 | The gap length between coupling line and SRR | 0.6 |
| gap_2 | The gap length of coupling zone | 0.3 |
| gap_3 | The gap length between SRR line | 0.2 |
| w_c | The width of coupling zone | 0.4 |
| l_c | The length of coupling zone | 2 |
| r_1 | The radius of outer SRR line | 3 |
| r_2 | The radius of inner SRR line | 2.4 |