Table 1 Geometric parameters of the T-shaped resonators used for 12-resonator encoding.

From: Edge machine learning over IoT for chipless RFID environmental sensing in smart agriculture

Resonator

Resonance Freq (GHz)

Li (mm)

Wi (mm)

Gi (mm)

Resonator 1

4.1

12

12.4

3

Resonator 2

4.3

11.5

12

3

Resonator 3

4.5

11

11.6

3

Resonator 4

4.7

10.5

11.2

3

Resonator 5

4.9

10

10.8

2.5

Resonator 6

5.1

9.5

10.4

2.5

Resonator 7

5.3

9

10

2.5

Resonator 8

5.5

8.5

9.6

2.5

Resonator 9

5.7

8

9.2

2

Resonator 10

5.9

7.5

8.8

2

Resonator 11

6.1

7

8.4

2

Resonator 12

6.3

6.5

8

2