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. Author manuscript; available in PMC: 2015 Jul 12.
Published in final edited form as: IEEE Trans Biomed Eng. 2015 Jan 1;62(5):1345–1354. doi: 10.1109/TBME.2014.2387354

Fig. 1.

Fig. 1

Block diagram modeling the relationship between the wearable BCG and the COM BCG. Ejection of blood into the aorta causes displacement perturbations at the surface of the skin and the center-of-mass via two different mathematical systems.