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01-06-2015 | MEDICAL AND BIOLOGICAL MEASUREMENTS | Issue 3/2015

Measurement Techniques 3/2015

Errors in Determination of the Parameters of Bioelectric Impedance by the Transient-Function Method

Journal:
Measurement Techniques > Issue 3/2015
Authors:
S. A. Akulov, A. A. Fedotov, A. S. Akulova
Important notes
Translated from Izmeritel’naya Tekhnika, No. 3, pp. 63–65, March 2015.
We consider a method for the determination of the parameters of bioelectric impedance (BEI) based on transient-function data. We analyze the error in estimating the bioelectric impedance in order to determine the optimal parameters of a testing pulse: its front and its duration. It is determined that a key role is played by the time constant of the biological tissue that is being investigated, for the modeling of which we use the Cole circuit. As a result of our research we obtain functional dependencies that establish a connection between the error in determining the bioelectric impedance and the parameters of the testing pulse.

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