The additional estimation error introduced by the use of finite ground planes is evaluated numerically for two types of conventional direction finding (DF) systems. The analysis reveals that commonly accepted ground plane dimensions result in degraded estimation accuracy when the incoming signals are of unknown polarization.

Butler matrix, Direction finding, Direction of arrival, Ground plane, Mutual coupling, Polarization, Watson-Watt
2009 Canadian Conference on Electrical and Computer Engineering, CCECE '09
Department of Systems and Computer Engineering

Henault, S. (S.), Antar, Y.M.M. (Y. M.M.), Rajan, S, Inkol, R. (R.), & Wang, S. (S.). (2009). Impact of a finite ground plane on the accuracy of conventional wideband direction finding systems for signals of unknown polarization. In Canadian Conference on Electrical and Computer Engineering (pp. 1111–1116). doi:10.1109/CCECE.2009.5090300