Magnetische Induktionstomografie: Systemsteuerung und Datenvorverarbeitung für das Graz Mk2-System

Herbert Pamperl

Publikation: StudienabschlussarbeitMasterarbeit


Magnetic induction-tomography is a non-invasive method for the reconstruction of the passive electromagnetic tissue properties. The configuration of the hardware consists of 16 signal-generation and 16 signal-acquisition paths. Within the paper all necessary steps towards system start-up and data preprocessing are explained. The procedure of a measurement is described in detail. The thesis covers the creation of a quality-control tool as well as the creation of a measurement tool. Both programs were built with Labview (National Instruments, USA). The quality-control tool serves for the qualitative inspection of the received signals and was primary developed for the comfortable calibration of the coil-system. The measurement tool ensures the correct procedure flow of a measurement. It runs through the measurement protocol which is defined by the user. The measurement protocol gives the software a high degree of flexibility. Further settings determine signal and timing parameters of the generated signals. The obtained raw-data of the measurement undergoes a data-precorrection. The results section presents 3 different measurements. The one with a metal cylinder as the measurement-item serves for the verification of the functionality of the data acquisition. The electrical settling time of the excitation coils is investigated with a separate measurement. A measurement without any device under test is used to show the mode of operation of the phase-correction algorithms. The achieved results show that the functionality of the implemented software meets the specifications.
Titel in Übersetzung Magnetic Induction-Tomography: System control and data preprocessing for the Graz Mk2-system
QualifikationMaster of Science
Gradverleihende Hochschule
  • Technische Universität Graz (90000)
Betreuer/-in / Berater/-in
  • Scharfetter, Hermann, Betreuer
PublikationsstatusVeröffentlicht - 2008


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