TITLE

An electrical impedance tomography measurement system for experimental use

AUTHOR(S)
Savolainen, T.; Kaipio, J.P.; Karjalainen, P.A.
PUB. DATE
October 1996
SOURCE
Review of Scientific Instruments;Oct96, Vol. 67 Issue 10, p3605
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Discusses an electrical impedance tomography (EIT) measurement system for experimental use. Principles of EIT; EIT reconstruction algorithm; Main points in the design of the proposed EIT system; Experimental examples.
ACCESSION #
4295506

 

Related Articles

  • Inflatable belt for the application of electrode arrays. Sadleir, R. J.; Fox, R. A.; Turner, V. F. // Review of Scientific Instruments;Feb2000, Vol. 71 Issue 2, p530 

    A prototype device for application of a multiple electrode array to the human abdomen is described and assessed. The device consists of a segmented pneumatic (PVC) belt that, upon inflation, presses electrodes onto the skin simultaneously and with predetermined relative spacings. A single belt...

  • Autonulling ac bridge for accurate measurement of small impedance variations using MOS components. Bey, Paul P.; Levine, Michael D.; Yonce, David J.; Fare, Thomas L. // Review of Scientific Instruments;Dec1991, Vol. 62 Issue 12, p3082 

    A self-contained prototype of an autonulling ac bridge based on phase-sensitive detection is discussed. The bridge nulling circuit uses an analog feedback network to establish a stable null for a wide range of resistive and capacitive values and requires minimal supporting hardware. Changes in...

  • Energy-modulated x-ray microtomography. Kinney, John H.; Johnson, Quintin C.; Saroyan, R. Allyn; Nichols, Monte C.; Bonse, Ulrich; Nusshardt, Rudolf; Pahl, Reinhardt // Review of Scientific Instruments;Jan1988, Vol. 59 Issue 1, p196 

    We describe an instrument for computerized x-ray tomography which can provide fully three-dimensional examination of small samples (a few millimeters to a few centimeters) with resolution variable from 5 to 100 μm. Elemental and chemical-state distributions are obtained with high resolution...

  • Complex conductivity measurements between 26 and 110 GHz using complex impedance bridges. Sridhar, S.; Reagor, D.; Gruner, G. // Review of Scientific Instruments;Oct85, Vol. 56 Issue 10, p1946 

    A method is described of measuring complex conductivity based upon the measurement of the impedance of a sample placed in a waveguide using a complex impedance bridge. From the observed changes in the bridge parameters, viz., attenuation and phase shift, the impedance and, hence, the complex...

  • A vector impedance meter digitally controlled. Caranti, Giorgio M.; Ré, Miguel A. // Review of Scientific Instruments;Dec1991, Vol. 62 Issue 12, p3092 

    As with most similar equipment, the method consists in applying a sinusoidal voltage to an unknown impedance and measuring the current through it. The advantage of the developed equipment is that it allows independent and simultaneous measurement of the resistive and reactive components of the...

  • Radio-frequency based monitoring of small supercurrents. Il'ichev, E.; Zakosarenko, V.; Fritzsch, L.; Stolz, R.; Hoenig, H. E.; Meyer, H.-G.; Go¨tz, M.; Zorin, A. B.; Khanin, V. V.; Pavolotsky, A. B.; Niemeyer, J. // Review of Scientific Instruments;Mar2001, Vol. 72 Issue 3, p1882 

    We consider the applicability of the established rf readout technique, which allows to obtain the supercurrent-phase relation of a Josephson element from impedance measurements in the phase-biased regime. In experiments on Nb-based single and double tunnel junctions, we demonstrate that this...

  • Radio-frequency impedance measurements using a tunnel-diode oscillator technique H. Srikanth, J. Wiggins, and H. Rees Srikanth, H.; Wiggins, J.; Rees, H. // Review of Scientific Instruments;Jul99, Vol. 70 Issue 7, p3097 

    Describes a resonant method based on a tunnel-diode oscillator for precision measurements of relative radio-frequency impedance changes in materials. Integration of the measurement system with the commercially available Physical Property Measurement System; Circuit design and operation;...

  • Simple method of determining plasma impedance of streamer discharge in atmospheric air. Okano, Daisuke // Review of Scientific Instruments;Dec2011, Vol. 82 Issue 12, p123502 

    For atmospheric streamer discharges using a lightning impulse generator, we demonstrate a method of determining the plasma impedance in a streamer region by analyzing the periodic attenuated discharge waveforms having high-frequency components. When the streamer region in the plasma can be...

  • Extended frequency range dielectric measurements of thin films. Mopsik, Frederick I. // Review of Scientific Instruments;Jun2000, Vol. 71 Issue 6 

    A method is described to measure the dielectric constant and loss of thin films. It employs a sample holder based on precision 50 Ω air line and can be used from audio frequencies to 1 GHz with a single sample. It is shown to maximize the precision available from commercial instrumentation...

Share

Read the Article

Courtesy of THE LIBRARY OF VIRGINIA

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics