Skip to main content
. Author manuscript; available in PMC: 2021 Jun 1.
Published in final edited form as: IEEE Trans Biomed Eng. 2021 May 21;68(6):1923–1931. doi: 10.1109/TBME.2020.3030892

Fig. 6.

Fig. 6.

The comparisons of foot pedaling motion signals across all the trials in each ultrasound session, i.e. Sham US (A), UPRF 300Hz (B) and UPRF 3000 Hz (C). Arbitrary units (A.U.) are used for describing the motion signals.