Tolerance requirements revisited for the calibration of chaotic reverberation chambers
- Others:
- Laboratoire d'Acoustique de l'Université du Mans (LAUM) ; Le Mans Université (UM)-Centre National de la Recherche Scientifique (CNRS)
- Laboratoire de physique de la matière condensée (LPMC) ; Université Nice Sophia Antipolis (1965 - 2019) (UNS) ; COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Centre National de la Recherche Scientifique (CNRS)
- Institut d'Électronique et des Technologies du numéRique (IETR) ; Université de Nantes (UN)-Université de Rennes 1 (UR1) ; Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Institut National des Sciences Appliquées - Rennes (INSA Rennes) ; Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Institut National des Sciences Appliquées (INSA)-CentraleSupélec-Centre National de la Recherche Scientifique (CNRS)
- Electronique, Systèmes de communication et Microsystèmes (ESYCOM) ; Conservatoire National des Arts et Métiers [CNAM] (CNAM) ; HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-Université Paris-Est Marne-la-Vallée (UPEM)-ESIEE Paris
Description
This paper aims to revisit the tolerance requirements for the calibration of chaotic reverberation chambers (RC). In recent years, some of the authors have established how chaotic reverberation chambers can ideally meet the requirement of statistically isotropic, uniform and depolarized response fields due to so-called ergodic modes which are generic in chaotic cavities. In particular, it was shown that, below or close to the lowest useable frequency (LUF), a generally admitted criterion proposed by the International Standard IEC 61000-4-21 to evaluate the uniformity of the field distribution is valid in chaotic RCs while not in conventional regular RCs. Indeed, the EM field in chaotic RCs display universal statistical features which cannot be obtained in conventional RCs at low frequency. In chaotic RCs, we propose to use the universality of field statistics to evaluate a confidence interval based on the theoretical distribution of the electric field deduced from the sole knowledge of the modal overlap.
Abstract
International audience
Additional details
- URL
- https://hal.science/hal-01345766
- URN
- urn:oai:HAL:hal-01345766v1
- Origin repository
- UNICA