Fig. 6

(a) Signed magnitude plot of the vector Z for the sit-to-stand activity. (b) Autocorrelation R plot of the vector Z. (c) Detected peaks in the autocorrelation vector R, indicating periodic repetitions in the motion.

(a) Signed magnitude plot of the vector Z for the sit-to-stand activity. (b) Autocorrelation R plot of the vector Z. (c) Detected peaks in the autocorrelation vector R, indicating periodic repetitions in the motion.