Journal of Healthcare Engineering / 2018 / Article / Fig 9

Research Article

sEMG Signal Acquisition Strategy towards Hand FES Control

Figure 9

(a) Power grasp sEMG signal recorded from trial (algorithm Figure 4), channel 1. Baseline has been eliminated using algorithm of Figure 2. (b) Spectogram of sEMG signal, where activity in the 30 Hz band for the 2nd and 3rd sets of motions and their harmonics can be observed.