Improvement of multiexponential signal decomposition by the preprocessing

Dielectric absorption of capacitors is a source of possible errors in the analog preprocessing blocks and integrating analog to digital converters. Parasitic relaxation components in the capacitor's model could be estimated by the decomposition of the charging multiexponential current. Paper de...

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Bibliographic Details
Published in2016 26th International Conference Radioelektronika (RADIOELEKTRONIKA) pp. 193 - 198
Main Authors Andras, Imrich, Dolinsky, Pavol, Michaeli, Linus, Saliga, Jan
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.04.2016
Subjects
Absorption
Capacitors
Data acquisition
dielectric absorption
Estimation
multiexponential signal decomposition
Prony method
Quantization (signal)
real capacitor model
Signal resolution
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Summary:Dielectric absorption of capacitors is a source of possible errors in the analog preprocessing blocks and integrating analog to digital converters. Parasitic relaxation components in the capacitor's model could be estimated by the decomposition of the charging multiexponential current. Paper deals with the possible preprocessing methods, selection of the optimal sampling conditions with the aim to enhance the robustness of the signal decomposition algorithms on the superimposed thermal and quantization noise.
DOI:10.1109/RADIOELEK.2016.7477372