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Table 7 Selected human tissues (tendon, muscle, and fat) simulation results. RMSRE% for both ε′ and σ of model 3 for εs (protein) rescaled for [μ2/MW (collagen type I)/μ2/MW (RNaseA)] on the range 0.01–10 GHz and 1–10 GHz

From: A heuristic model to evaluate the dielectric properties of human tissues at microwave band based on water and solid content

Tissue

RMSRE (%) ε′

RMSRE (%) σ′

0.01–10 (GHz)

1–10 (GHz)

0.01–10 (GHz)

1–10 (GHz)

Model 1

 Fat

6.4

5.7

77.7

27.5

 Muscle

13.3

7.6

37.1

18

 Tendon

19.1

10

14.4

6.6

 Avg (RMSRE (%) ε′, σ)

0.01–10 (GHz)

1–10 (GHz)

  

  Fat

42.05

16.6

  

  Muscle

25.2

12.8

  

  Tendon

16.75

8.3

  

 Avg tissues

28

12.56

  

Model 2

 Fat

> 100

> 100

> 100

> 100

 Muscle

19

26.7

18.9

10.2

 Tendon

20.1

6.6

16.4

11.6

 Avg (RMSRE (%) ε′, σ)

0.01–10 (GHz)

1–10 (GHz)

  

  Fat

> 100

> 100

  

  Muscle

18.95

18.45

  

  Tendon

18.25

9.1

  

 Avg tissues

45.7333

42.51

  

Model 3

 Fat

6.5

5.7

3.6

3.9

 Muscle

13.5

7.7

37.1

17.9

 Tendon

18.9

10.3

9

5.8

 Avg (RMSRE (%) ε′, σ)

0.01–10 (GHz)

1–10 (GHz)

  

  Fat

5.05

4.8

  

  Muscle

25.3

12.8

  

  Tendon

13.95

8.05

  

 Avg tissues

14.76

8.55

  

Model 4

 Fat

6.4

5.7

77.7

27.5

 Muscle

12.6

4.6

38.4

17.2

 Tendon

16.7

4.9

12.9

16.7

 Avg (RMSRE (%) ε′, σ)

0.01–10 (GHz)

1–10 (GHz)

  

  Fat

42.05

16.6

  

  Muscle

25.5

10.9

  

  Tendon

14.8

10.8

  

 Avg tissues

27.45

12.76