@ARTICLE{Stupin2017,
author={Stupin, D.D. and Koniakhin, S.V. and Verlov, N.A. and Dubina, M.V.},
title={Adaptive Filtering to Enhance Noise Immunity of Impedance and Admittance Spectroscopy: Comparison with Fourier Transformation},
journal={Physical Review Applied},
year={2017},
volume={7},
number={5},
doi={10.1103/PhysRevApplied.7.054024},
art_number={054024},
note={cited By 8},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85020026659&doi=10.1103%2fPhysRevApplied.7.054024&partnerID=40&md5=58dc07671359acd5a9cf7852835d8eba},
affiliation={St. Petersburg Academic University, Khlopina 8/3, St. Petersburg, 194021, Russian Federation; Petersburg Nuclear Physics Institute NRC Kurchatov Institute, Gatchina, St. Petersburg, 188300, Russian Federation; Peter the Great St. Petersburg Polytechnic University, Polytechnicheskaya str. 29, St. Petersburg, 195251, Russian Federation},
abstract={The time-domain technique for impedance spectroscopy consists of computing the excitation voltage and current response Fourier images by fast or discrete Fourier transformation and calculating their relation. Here we propose an alternative method for excitation voltage and current response processing for deriving a system impedance spectrum based on a fast and flexible adaptive filtering method. We show the equivalence between the problem of adaptive filter learning and deriving the system impedance spectrum. To be specific, we express the impedance via the adaptive filter weight coefficients. The noise-canceling property of adaptive filtering is also justified. Using the RLC circuit as a model system, we experimentally show that adaptive filtering yields correct admittance spectra and elements ratings in the high-noise conditions when the Fourier-transform technique fails. Providing the additional sensitivity of impedance spectroscopy, adaptive filtering can be applied to otherwise impossible-to-interpret time-domain impedance data. The advantages of adaptive filtering are justified with practical living-cell impedance measurements. © 2017 American Physical Society.},
publisher={American Physical Society},
issn={23317019},
language={English},
abbrev_source_title={Phys. Rev. Appl.},
document_type={Article},
source={Scopus},
}

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