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. Author manuscript; available in PMC: 2020 Jan 7.
Published in final edited form as: IEEE Trans Biomed Circuits Syst. 2019 Oct 10;13(6):1451–1461. doi: 10.1109/TBCAS.2019.2946519

Fig. 3.

Fig. 3.

A simple graft model (a) assumes that the FPS experiences the graft strain ∈G generated by pressure PV. The FPS in a half bridge circuit (b) is modeled as a fixed R0 in series with a strain-dependent RS.