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Geoscientific Instrumentation, Methods and Data Systems An interactive open-access journal of the European Geosciences Union
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Volume 4, issue 1
Geosci. Instrum. Method. Data Syst., 4, 81–88, 2015
https://doi.org/10.5194/gi-4-81-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Geosci. Instrum. Method. Data Syst., 4, 81–88, 2015
https://doi.org/10.5194/gi-4-81-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 04 May 2015

Research article | 04 May 2015

High-frequency performance of electric field sensors aboard the RESONANCE satellite

M. Sampl1,*, W. Macher1, C. Gruber1,**, T. Oswald1,***, M. Kapper1, H. O. Rucker1,****, and M. Mogilevsky2 M. Sampl et al.
  • 1Space Research Institute, Austrian Academy of Sciences, Graz, Austria
  • 2Space Research Institute, Russian Academy of Sciences, Moscow, Russia
  • *now at: KATHREIN-Werke KG, Rosenheim, Germany
  • **now at: Karl Franzens University Graz, Institute of Physics, Graz, Austria
  • ***now at: Thomas Oswald Aerospace Software, Weinitzen, Austria
  • ****now at: Austrian Academy of Sciences, Commission for Astronomy, Graz, Austria

Abstract. We present the high-frequency properties of the eight electric field sensors as proposed to be launched on the spacecraft "RESONANCE" in the near future. Due to the close proximity of the conducting spacecraft body, the sensors (antennas) have complex receiving features and need to be well understood for an optimal mission and spacecraft design. An optimal configuration and precise understanding of the sensor and antenna characteristics is also vital for the proper performance of spaceborne scientific instrumentation and the corresponding data analysis. The provided results are particularly interesting with regard to the planned mutual impedance experiment for measuring plasma parameters. Our computational results describe the extreme dependency of the sensor system with regard to wave incident direction and frequency, and provides the full description of the sensor system as a multi-port scatterer. In particular, goniopolarimetry techniques like polarization analysis and direction finding depend crucially on the presented antenna characteristics.

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We present the high-frequency properties of the eight electric field sensors as proposed to be launched on the spacecraft “RESONANCE” in the near future. Due to the close proximity of the conducting spacecraft body, the sensors (antennas) have complex receiving features and need to be well understood for an optimal mission and spacecraft design. In particular techniques like wave polarization analysis and incident direction finding depend crucially on the presented antenna characteristics.
We present the high-frequency properties of the eight electric field sensors as proposed to be...
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