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PhD student (f/m): Development of a customizable sensor-array electromagnetic induction system and an inversion software for soil water content measurements

Advertising institute: ZEA-2 - Electronic Systems
Reference number: D097/2014, Electrical Engineering, Physics

Your Project
The aim of this PhD project is (I) to further develop a prototype electromagnetic induction (EMI) system with customizable sensor-array in terms of accuracy, measurement speed and novel applications, and (II) to implement an inversion algorithm for the processing of the collected EMI data into the electrical conductivity distribution over depth. Grid measurements over a survey area will enable a two- or three-dimensional characterization. Moreover, the large number of sensors allows to analyze the anisotropy of the electrical conductivity distribution in the soil. In addition to the conduction currents, which are induced in the soil, the displacement currents also influence the measurements for high frequencies, which could be included in the inversion to increase its accuracy.

The project is embedded in the ZEA-2 workgroup “Electrical and Electromagnetic Measurement Methods” which develops systems for geophysical soil parameter characterization in a close cooperation with the “High Resolution Hydrogeophysical Imaging and Characterization” research group of the IBG-3 which is focusing on the use of electromagnetic imaging methods to obtain temporal and spatial information about the soil water content and the flow and transport processes in the subsurface.

More information about the project group can be found in the publication database of the FZ Jülich and on the webpages of the ZEA-2 research group (German).

Your Profile

  • Diploma or Master in Electrical Engineering, Physics, or comparable
  • Knowledge in programming and data processing
  • Interest in computer-aided simulations and modelling
  • Interest in optimization of electrical circuits and software development
  • Prior knowledge in MATLAB programming would be helpful, but is not required

Forschungszentrum Jülich aims to employ more women in this area and therefore particularly welcomes applications from women. We also welcome applications from disabled persons.

For further information please contact:
Achim Mester
Central Institute of Engineering, Electronics and Analytics
ZEA-2: Electronic Systems
Leo-Brandt Straße
52425 Jülich

e-mail: a.mester@fz-juelich.de
phone: +49-2461-61-4323

Please send your application via e-mail to:
Britta Hallmann
Central Institute of Engineering, Electronics and Analytics
ZEA-2: Electronic Systems
Leo-Brandt Straße
52425 Jülich

e-mail: b.hallmann@fz-juelich.de
phone: +49-2461-61-3181


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