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  • Geschke, R. H. (Riana Helena) (Stellenbosch : Stellenbosch University, 2004-04)
    ENGLISH ABSTRACT: The implementation and verification of a recently proposed Huy gens' principle in hollow lossless waveguide is described. The extended Huygens' principle is applicable to the scattering effect of ...
  • Lezar, Evan (Stellenbosch : Stellenbosch University, 2008-03)
    The nite element method (FEM) is a powerful tool for the computational analysis of a wide range of electromagnetic problems. As the complexity of the problems is increased so are the demands in terms of the computational ...
  • Maritz, Andries Johannes Nicolaas (Stellenbosch : University of Stellenbosch, 2010-03)
    ENGLISH ABSTRACT: An investigation into the cause of undesired sidelobes in the 3D radiation pattern of slotted waveguide arrays is conducted. It is hypothesized that the cross-polarization of the antenna is at fault, ...