Přístupnostní navigace
E-přihláška
Vyhledávání Vyhledat Zavřít
Detail publikace
KŘÍŽ, T.
Originální název
Noise Infuence of Magnetic Field to Conductivity Image Reconstruction
Typ
článek ve sborníku ve WoS nebo Scopus
Jazyk
angličtina
Originální abstrakt
The paper presents a conductivity calculation from values of the magnetic flux density measured outside the specimen. There is described the analysis of the noise influence that is presented in the measured values of a magnetic field. A conductivity calculation is based on the electrical impedance tomography (EIT) algorithm. The standard EIT exploited measured voltage values on electrodes placed at specimen boundaries to a conductivity calculation. The direct current source or the low frequency current source is connected to a specimen. A conductivity calculation is based on a minimizing of a suitable objective function. The least squares method is very often used for a minimization of an objective function. The Tikhonov regularization method is used in order to ensure the stability of an algorithm. The stability and the accuracy are dependent on an accuracy of measured voltage values.
Klíčová slova
EIT, magnetic field, conductivity reconstruction, noise influence
Autoři
Rok RIV
2012
Vydáno
30. 8. 2012
Nakladatel
The Electromagnetic Academy
Místo
Cambridge
ISBN
978-1-934142-22-6
Kniha
Proceedings of PIERS 2012 MOSCOW
Strany od
271
Strany do
275
Strany počet
5
BibTex
@inproceedings{BUT94742, author="Tomáš {Kříž}", title="Noise Infuence of Magnetic Field to Conductivity Image Reconstruction", booktitle="Proceedings of PIERS 2012 MOSCOW", year="2012", pages="271--275", publisher="The Electromagnetic Academy", address="Cambridge", isbn="978-1-934142-22-6" }