FAST IMPEDANCE SPECTROSCOPY METHOD USING SQUARE PULSE EXCITATION

Jerzy Hoja, Grzegorz Lentka
Abstract:
The paper presents a fast impedance spectroscopy method for objects with very high impedance |Zx| = 1 GO modeled by multi-element two-terminal RC networks. The method is based on analysis of the object response in the time domain after square pulse excitation. The object impedance spectrum was obtained using continuous Fourier transform. Simulation tests were performed for different excitation pulse widths. Measurements in the realized system proved the usefulness of the method for parametric identification of equivalent circuits of the objects.
Keywords:
impedance spectroscopy, voltage pulse, time domain response
Download:
IMEKO-TC1-TC7-2008-025.pdf
DOI:
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Event details
IMEKO TC:
TC7
Event name:
TC1 & TC7 Conference 2008
Title:

12th IMEKO TC1 & TC7 Joint Symposium on "Man, Science & Measurement" (TC7)

Place:
Annecy, FRANCE
Time:
03 September 2008 - 05 September 2008