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SUNScholar Research Repository

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  • Experimental modal analysis and model validation of antenna structures 
    Potgieter, Brendon Ryan (Stellenbosch : University of Stellenbosch, 2010-12)
    ENGLISH ABSTRACT: Numerical design optimisation is a powerful tool that can be used by engi- neers during any stage of the design process. Structural design optimisation is a specialised usage of numerical design ...
  • Numerical design optimisation for the Karoo Array Telescope 
    Joubert, N. J. D. (Stellenbosch : University of Stellenbosch, 2009-03)
    Although mass minimisation is an important application within structural optimisation, other applications include: (1) concept generation, (2) concept evaluation, (3) design for structural feasibility and (4) data matching. ...
  • Tune-all wideband planar filters for KAT-7 
    Beukman, Theunis Steyn (Stellenbosch : Stellenbosch University, 2011-12)
    ENGLISH ABSTRACT: A new type of wideband lters, with tunability in both the centre frequency and bandwidth, is presented in this thesis. These lters are based on perturbed ring-resonators in cascade, while varactor ...
  • Wideband coaxial cable transfer impedance for Karroo Array Telescope 
    Andriambeloson, Joely Andrianina (Stellenbosch : Stellenbosch University, 2011-12)
    ENGLISH ABSTRACT: Through the Karoo Array Telescope, and its extension MeerKAT, South Africa is demonstrating its capabilities to host the most powerful radio telescope ever, the Square Kilometre Array (SKA). This new ...