Accelerated Impedance Spectrum Measurement via Multisine Perturbation and Digital Filter Banks

Marek Niedostatkiewicz, Romuald Zielonko
Abstract:
The paper presents accelerated impedance spectrum measurement method, oriented for measuring the quality of anticorrosion coating, modelled by a linear equivalent circuit. The method is based on applying multisine stimulation signal. Both stimulation and object response are analysed in frequency domain by digital filter bank. The theoretical description of method and a proposition of measurement methodology are presented. The simulation results are discussed, concerning spectrum calculation error and acceleration of measurements for several shape-designed multisine signals.
Download:
IMEKO-TC4-2005-039.pdf
DOI:
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Event details
IMEKO TC:
TC4
Event name:
TC4 Workshop 2005
Title:

10th IMEKO TC4 International Workshop on ADC Modelling and Testing - IWADC (together with XIVth IMEKO TC4 International Symposium on New Technologies in Measurement and Instrumentation)

Place:
Gdynia/Jurata, POLAND
Time:
12 September 2005 - 15 September 2005