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Approximate Analytical Equations for the Stirrer Angular Correlation in a Reverberation Chamber

Xu, Q; Xing, L; Zhao, Y; Loh, T H; Wang, M; Huang, Y (2019) Approximate Analytical Equations for the Stirrer Angular Correlation in a Reverberation Chamber. IEEE Transactions on Electromagnetic Compatibility, 61 (6). pp. 1707-1713. ISSN 0018-9375

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Abstract

In a reverberation chamber, the angular correlation coefficient of a stirrer is an important parameter. It has been used to evaluate the performance of a stirrer or to estimate the number of independent samples in a measurement. In the previous work, the angular correlation coefficient was evaluated numerically and no analytical equation has been proposed. In this study we propose an approximate analytical equation to fit the measured angular correlation which shows good agreements with measurement results. General properties of angular correlation coefficient are explored with physical insights, the equivalency of the mean value of the angular correlation and the K-factor is revealed. This study provides further understandings on the control of the stirrer angular correlation and the K-factor in a reverberation chamber.

Item Type: Article
Keywords: Reverberation chamber, K-factor, independent positions, stirrer angular correlation.
Subjects: Electromagnetics > Wireless Communications
Divisions: Electromagnetic & Electrochemical Technologies
Identification number/DOI: 10.1109/TEMC.2018.2879431
Last Modified: 02 Jul 2020 14:08
URI: http://eprintspublications.npl.co.uk/id/eprint/8773

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