Effects of stray capacitance to ground in impedance measurements
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hdl:2117/367216
Document typePart of book or chapter of book
Defense date2021
PublisherElsevier
Rights accessRestricted access - publisher's policy
Abstract
Inductive effects such as positive phase angles in impedance measurements have often confused the researchers when the material measured is nonmagnetic. When the measurement is based on auto-balancing bridge method and the measured material is a bulky sample, the capacitive coupling from sample to ground can cause some of these inductive effects. A model with four electrodes for bioimpedance measurements on the human body is analyzed considering the capacitive coupling from human body to ground. Impedance meters based on auto-balancing bridge cannot measure grounded impedances; to overcome this limitation, we will propose a method to estimate the stray capacitance to ground with these meters.
CitationAliau-Bonet, C.; Quilez, M. Effects of stray capacitance to ground in impedance measurements. A: "Bioimpedance and Spectroscopy". Elsevier, 2021, p. 51-77.
ISBN978-0-12-818614-5
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