Mathematical Problems in Engineering / 2013 / Article / Fig 7

Research Article

On-Board Computing for Structural Health Monitoring with Smart Wireless Sensors by Modal Identification Using Hilbert-Huang Transform

Figure 7

Experimental HHT algorithm evaluated from on-board computing and offline computing for the first frequency case.
509129.fig.007a
(a) On-board band-pass filtered signal
509129.fig.007b
(b) Offline band-pass filtered signal
509129.fig.007c
(c) On-board IMF
509129.fig.007d
(d) Offline IMF
509129.fig.007e
(e) On-board Phase-unwrapping
509129.fig.007f
(f) Offline Phase-unwrapping