Abstract
Affordable and portable indirect impedance measurement techniques with minimum hardware and post-processing requirements are necessary for various applications, and in particular for bioimpedance measurements. In this paper, a new method to extract the single-dispersion Cole bioimpedance model parameters is presented using a simple circuit consisting of a operational amplifier and a set of resistors. We examine the theory behind this magnitude-only method and demonstrate its application for the extraction of impedance data from a number of different fruit samples. Three means to compute the single-dispersion Cole model parameters are given and discussed under different measurement scenarios, and compared with experimental results.
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