Δε' = ε'experimental - ε'calculated , ε'experimental = A+B ε'calculated

18 GHz

Modified Rayleigh Mixing Model

 

Sandy Loam

Loam

Silt Loam

Silt Clay

Δε' (10%)

0.26

1.06

1.27

1.13

Δε' (20%)

0.56

0.36

0.47

-0.26

Δε' (30%)

0.55

0.37

0.32

-0.56

Δε' (40%)

-1.28

-0.83

-0.2

-1.07

A

-0.61

-1.02

-1.01

-0.99

B

1.093

1.11

1.06

1.14

R2

0.994

0.98

0.96

0.97

SE

0.538

0.41

0.42

0.51

Table 4: The difference (Δε’) of experimental and calculated dielectric constant at 18GHz. A linear relationship has been found at various volumetric moisture.
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