Bolt Detection Signal Analysis Method Based on ICEEMD

Figure 6

The IMF and spectrum with the vibration signal after the decomposition with ICEEMD-De: (a, c, e, and g) is IMF1~IMF4 and (b, d, f, and h) is IMF1~IMF4 spectrum.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)