Table 8 Hurst index and energy distribution of decomposed components (u-components) for the blasting vibration signal.

From: A parameter adaptive EEFO VMD method to mitigate noise and trend interference of blast vibration signals

u-components

Hurst index

Energy distribution (%)

u1(t)

0.164

0.31

u2(t)

0.259

0.48

u3(t)

0.527

15.24

u4(t)

0.431

14.46

u5(t)

0.646

10.48

u6(t)

0.718

27.31

u7(t)

0.767

27.72

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