Frequency [Hz]

Analysis range [mm]

Diffusivity, D_ave × 10⁻⁶ [m²/s]

SD, 2σ × 10⁻⁶ [m²/s]

Percentage of 2σ [%]

1.5

−

0.4 → 0.9

1.33

0.013

1.0

+

1.61

0.018

1.1

2

−

0.4 → 0.9

1.35

0.018

1.3

+

1.67

0.021

1.2

3

−

0.4 → 0.9

1.42

0.011

0.8

+

1.81

0.026

1.4

4

−

0.4 → 0.9

1.50

0.026

1.7

+

1.94

0.044

2.2