Table 5.

Sampling frequency and time window chosen in literature.

Research	Sampling Frequency (Hz)	Time Window (s)
Liu, K. et al. [14]	40	10, 270, 430
Liu, C. et al. [17]	40	2
Liu, S. et al. [20]	30	30
Zhu, Y. et al. [32]	10	30