Source Correlation in Randomly Excited Complex Media

Andrea Cozza 1, *
* Corresponding author
1 DRE - Département de Recherche en Electromagnétisme ; EMG - Département Electromagnétisme - L2S
L2S - Laboratoire des signaux et systèmes : 1289, SUPELEC-Campus Gif
Abstract : When dealing with modal representations of the Green's function of a complex medium, the modal coefficients are often assimilated to random variables, where statistical independence is justified on heuristic arguments supported by the complexity of the propagation in multiple-scattering scenarios. This letter addresses this assumption when the randomness originates from an uncertain positioning of the sources, proving under what conditions the modal coefficients can be regarded as uncorrelated, showing that this special condition should not be taken for granted, even in complex media.
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Andrea Cozza. Source Correlation in Randomly Excited Complex Media. IEEE Antennas and Wireless Propagation Letters, Institute of Electrical and Electronics Engineers, 2012, 11 (1), pp.105-108. ⟨10.1109/LAWP.2012.2182982⟩. ⟨hal-00656316⟩

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