Search Results - "Zagar, Bernhard"

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  1. 1

    Analysis and Validation of a Planar High-Frequency Contactless Absolute Inductive Position Sensor by Aschenbrenner, Bernhard, Zagar, Bernhard G.

    “…This paper presents a low cost precise and reliable inductive absolute position measurement system. It is suitable for rough industrial environments, offers a…”
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    Journal Article
  2. 2

    Estimation of Tissue Attenuation from Ultrasonic B-Mode Images-Spectral-Log-Difference and Method-of-Moments Algorithms Compared by Brandner, Dinah Maria, Cai, Xiran, Foiret, Josquin, Ferrara, Katherine W, Zagar, Bernhard G

    Published in Sensors (Basel, Switzerland) (05-04-2021)
    “…We report on results from the comparison of two algorithms designed to estimate the attenuation coefficient from ultrasonic B-mode scans obtained from a…”
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    Journal Article
  3. 3

    Application of impedance spectroscopy and tomography to monitor calcite deposits in drainage pipes by Affortunati, Sabrina, Zagar, Bernhard G.

    “…The determination of calcite deposits in drainage pipes plays an important role in tunnel construction as well as in ongoing operation. If these deposits are…”
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    Journal Article
  4. 4

    Modeling, Preparation and Characterization of a Pressure Measurement System With Customizable High-Pass Characteristic by Wiesner, Thomas, Zagar, Bernhard G.

    Published in IEEE sensors journal (01-12-2015)
    “…We present a measurement system, capable of measuring a small changing pressure component additional to a much larger static average pressure. It comprises a…”
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    Journal Article
  5. 5

    A numerical approximation of the Huygens-Fresnel integral – Simulations of a rough wetting problem by Hofer, Dominik, Zagar, Bernhard G.

    “…•Oil films act as low-pass filters to the underlying surface roughness.•Laser speckle size of partially developed objective speckle patterns correlate…”
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    Journal Article
  6. 6

    Deconvolution of High-Resolution Magnetic Field Scans for Improved Current Density Imaging by Holzl, Patrick Alexander, Zagar, Bernhard G.

    Published in IEEE transactions on magnetics (01-02-2014)
    “…Inverse problems are gaining more and more importance in the field of nondestructive testing (NDT). Magnetic imaging is an NDT method, which leads to an…”
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    Journal Article Conference Proceeding
  7. 7

    Komponenten der Messunsicherheit eines Faraday-Magnetometers by Piepgras, Ruben, Zagar, Bernhard G.

    Published in Elektrotechnik und Informationstechnik (01-10-2022)
    “…Zusammenfassung In diesem Beitrag wird ein magneto-optischer Sensor auf Basis des Faraday-Effekts vorgestellt. Hiermit können anhand der Messung einer…”
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    Journal Article
  8. 8

    Visualization of spatial conductivity irregularities within conductive rubber sheets by Wernick, Helmut, Hoelzl, Patrick, Zagar, Bernhard G

    Published in Compel (04-07-2016)
    “…Purpose – The purpose of this paper is to present a fast and contactless measurement method to determine the spatial conductivity distribution within an…”
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    Journal Article
  9. 9

    Schätzung der Gewebeabsorption aus medizinischen Ultraschall-Bildern by Brandner, Dinah Maria, Zagar, Bernhard G.

    Published in Elektrotechnik und Informationstechnik (01-10-2022)
    “…Zusammenfassung Ultraschall ist eine sich im Gewebe ausbreitende mechanische Welle, die von den lokal vorherrschenden akusto-mechanischen Gegebenheiten in…”
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    Journal Article
  10. 10

    Improving the Spatial Resolution of Magneto Resistive Sensors via Deconvolution by Holzl, Patrick Alexander, Zagar, Bernhard G.

    Published in IEEE sensors journal (01-11-2013)
    “…State-of-the-art GMR sensors are becoming increasingly popular for a variety of applications, due to of the progress in the area of magnetic field sensor…”
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    Journal Article
  11. 11

    Iteration Methods to Precisely Locate Edges of Hot Objects Using Simple Infrared-Sensing Elements by Rupitsch, Stefan J, Zagar, Bernhard G

    “…This paper deals with novel mathematical methods to locate the edges of heated planar objects employing simple photodiodes. Thereby, both the lateral edge…”
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    Journal Article
  12. 12

    Estimation of the surface normal velocity of high frequency ultrasound transducers by Rupitsch, S.J., Kindermann, S., Zagar, B.G.

    “…This paper is concerned with the characterization of the true locally resolved surface normal velocity of an assumed piston-type ultrasonic transducer. Instead…”
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    Journal Article
  13. 13

    Reconstruction of Temperature Fields from Ultrasonic Travel Time Measurements by Schwarz, Michael, Zagar, Bernhard G.

    “…In this contribution we present a technique for measuring temperature fields using ultrasound. Since it requires no sensors within the measurement volume, this…”
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    Conference Proceeding
  14. 14

    Delay-and-Sum Processing of Echo Data of Transducers Focused by 3D Printed Lenses by Schwarz, Michael, Eder, Daniel, Zagar, Bernhard G.

    “…This contribution deals with focusing piezoelectric ultrasonic transducers with 3D printed lenses. Transducers focused with a fixed focus lens are often used,…”
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    Conference Proceeding
  15. 15

    Development of a low-cost measurement system for cutting edge profile detection by Gregor Gerstorfer Bernhard G. Zagar

    Published in 中国光学快报:英文版 (10-07-2011)
    “…The use of a compact disk (CD) pickup head as a displacement measurement system is described. The components contained in a pickup head are explained and how…”
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    Journal Article
  16. 16

    Measurement of Magnetic Microstructures with a Faraday Rotation Magnetometer by Piepgras, Ruben, Michlmayr, Sebastian, Egger, Johannes, Zagar, Bernhard G.

    “…A Faraday Rotation Magnetometer (FRM) is a magneto-optical setup that provides a fast and non-destructive method to measure magnetic microstructures. It is…”
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    Conference Proceeding
  17. 17
  18. 18

    Current research by ÖBB Infrastruktur AG on scale monitoring without track closures by Schachinger, Tobias, Zagar, Bernhard, Schwab, Christian, Saliger, Florian, Stur, Michael

    Published in Geomechanik und Tunnelbau (01-06-2018)
    “…In water pressure‐relieved rail tunnels, calcium carbonate scaling occurs in tunnel drain pipes. This scaling is caused by the surrounding geology, groundwater…”
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    Journal Article
  19. 19

    Tomographic Artificial Skin for Robotic Application by Affortunati, Sabrina, Zagar, Bernhard

    “…As technology advances, robots are becoming more and more a part of our daily lives. While industrial robots have already been in use for a several years, an…”
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    Conference Proceeding
  20. 20

    Localization of Electrodes based on Resistance Measurements by Affortunati, Sabrina, Zagar, Bernhard

    “…This paper considers the problem of the localization of electrodes in a distributed sensor system. Especially in impedance tomography the localization of the…”
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    Conference Proceeding