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Modeling and Estimation of Mutual Coupling in a Uniform Linear Array of Dipoles

Thomas Svantesson (Institutionen för signaler och system, Signalbehandling)
Proc. ICASSP'99, Phoenix, AZ, USA Vol. 5 (1999), p. 2961-2964.
[Konferensbidrag, refereegranskat]

The mutual coupling in a uniform linear array (ULA) of dipoles is calculated using basic electromagnetic concepts. Since the coupling often is unknown and needs to be estimated, a simpler model is proposed based on the electromagnetic analysis. The parameterization of this model is shown to be locally unambiguous. A necessary condition for the joint solution of directions and coupling parameters to be unique is also derived. Finally, the directions and coupling parameters are estimated using a maximum likelihood method. It is found that the simpler coupling model with just a few parameters well describes the full electromagnetic model.

Denna post skapades 2006-08-25. Senast ändrad 2013-06-14.
CPL Pubid: 15978


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