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Experimental determination of the higher electric field level inside an overmoded reverberation chamber using the generalized extreme value distribution

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Abstract

Reverberation chamber (RC), in which a complex electromagnetic environment is created, is of great interest as a versatile test and measurement tool, and its performance is conveniently evaluated through the field statistics. Following a previous paper in which the generalized extreme value (GEV) distribution was proposed to model the maximum field inside an RC, this work presents an experimental validation of the GEV use for the overmoded RC. The electric field is measured with a small sensor for a large number of points inside the RC, and the GEV parameters are accurately estimated. Since the maximum field distribution for this overmoded RC is found to be of reverse Weibull type, the field distribution is right bounded by a higher level that can be determined.

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Notes

  1. In a statistical sense.

  2. This small number of stirrer positions is compensated by the large number of probe locations (≈750 instead of 8 in [1]).

  3. We have eliminated the measurements corrupted by transmissions errors occurring between the sensor and the computer, via optic fiber. The slight variations of NP are purely random.

  4. The apparent variation of k with the frequency is assumed to be of random nature. The mean value k = 0.067 belongs to each of the three confidence intervals.

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Acknowledgments

The authors would like to acknowledge M. Thierry Sarrebourse for conducting the measurements.

We thank the reviewers for their many suggestions to improve this text.

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Authors and Affiliations

  1. Université Française d’Egypte, ville de Chorouq, Km 37 Autoroute Le Caire-Ismaïlia, BP. 21, Cairo, Egypt

    Gérard Orjubin

  2. Orange Labs R&D, RESA/WASA. 38-40, rue du Général Leclerc, 92794, Issy Moulineaux, France

    Man-Fai Wong

Authors
  1. Gérard Orjubin
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  2. Man-Fai Wong
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Corresponding author

Correspondence to Gérard Orjubin.

Additional information

Dr. Man-Fai Wong deceased.

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Orjubin, G., Wong, MF. Experimental determination of the higher electric field level inside an overmoded reverberation chamber using the generalized extreme value distribution. Ann. Telecommun. 66, 457–464 (2011). https://doi.org/10.1007/s12243-011-0259-6

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  • DOI: https://doi.org/10.1007/s12243-011-0259-6

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