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Spatial Autocovariances of Scattering Parameters in a Lossy Reverberation Chamber

Published

Author(s)

Ryan J. Pirkl

Abstract

We derive a statistical model for the spatial autocovariance of two-port scattering parameters in a high-loss reverberation chamber for single-mode antennas. The theoretical model accounts for first- order antenna-antenna and antenna-environment interactions arising due to scattering off of the measurement antennas. The model is shown to provide a good description of the empirical spatial autocovariances calculated from scattering parameter measurements in a reverberation chamber for different loading configurations. This provides new insight into the complex antenna-antenna and antenna-environment interactions that occur in reverberation chamber measurements. Additional applications include reducing the correlation between reverberation chamber measurements obtained using position stirring and measuring the orientation-averaged total scattering cross-section of arbitrary structures.
Citation
IEEE Transactions on Antennas and Propagation
Volume
55
Issue
4

Keywords

Autocorrelation, autocovariance, scattering parameters, spatial correlation function, stochastic plane-wave spectrum, reverberation chamber

Citation

Pirkl, R. (2013), Spatial Autocovariances of Scattering Parameters in a Lossy Reverberation Chamber, IEEE Transactions on Antennas and Propagation, [online], https://doi.org/10.1109/TEMC.2012.2234127 (Accessed April 16, 2024)
Created August 1, 2013, Updated January 27, 2020