Browsing Masters Degrees (Electrical and Electronic Engineering) by Title

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Browsing Masters Degrees (Electrical and Electronic Engineering) by Title

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  • Mouton, Gerton Nicolaas Jacobus (Stellenbosch : Stellenbosch University, 2012-12)
    ENGLISH ABSTRACT: The worldwide increase in the popularity of high voltage direct current (HVDC) power transmission application has led to questions regarding the performance of high voltage alternating current (HVAC) ...
  • Jansen, Roelof (Stellenbosch : Stellenbosch University, 2008-03)
    ENGLISH ABSTRACT: Modern communication systems demand efficient, linear power amplifiers. The amplifiers are often operated in the backed-off power levels at which linear amplifiers such as class B amplifier are particularly ...
  • Elombo, Andreas Iyambo (Stellenbosch : Stellenbosch University, 2012-03)
    ENGLISH ABSTRACT: The use of high voltage direct current (HVDC) applications has gained enormous popularity for long distance power transmission. This is due to the lucrative benefits offered by this type of power ...
  • Seabe, Phillip Sello (Stellenbosch : University of Stellenbosch, 2007-03)
    The use of emerging microprocessors has become increasingly popular in packet radio communication equipment. This is mainly because of the improved performance and hardware simplicity they offer. The new generation field ...
  • Swart, Ranier Adriaan (Stellenbosch : University of Stellenbosch, 2009-03)
    In this thesis we studied large-vocabulary continuous speech recognition. We considered the components necessary to realise a large-vocabulary speech recogniser and how systems such as Sphinx and HTK solved the ...
  • Mitchley, Ryan (Stellenbosch : University of Stellenbosch, 2007-03)
    This thesis examines three reduced complexity algorithms for subspace tracking in the context of radio direction finding. Projection Approximation Subspace Tracking (Yang), the Fast Data Projection Method (Doukopoulos ...
  • Ackermann, Dirk Wouter (Stellenbosch : Stellenbosch University, 1987-12)
    ENGLISH ABSTRACT: A vision robot, with comparable characteristics currently being used, was designed and built. The response of the robot is evaluated in terms of the lighting conditions it is subjected to, treated as ...
  • Brand, Konrad Frederik (Stellenbosch : University of Stellenbosch, 2006-12)
    Modern day digital modulation techniques in communication systems produce large peak-to-average ratios. To maintain linearity, power amplifiers have to operate at backed-off levels. This results in low efficiency with ...
  • Van der Merwe, John (Stellenbosch : University of Stellenbosch, 2010-12)
    ENGLISH ABSTRACT: In 1966, D.B. Leeson presented his model on phase noise in a letter entitled A Simple Model of Feedback Oscillator Noise Spectrum. This model usually requires an additional e ffective noise figure in ...
  • Elkaseh, Akram Abdulsalam (Stellenbosch : University of Stellenbosch, 2006-12)
    The Josephson effect of high-temperature superconducting nanobridge structures is studied worldwide. Until now, nanobridges are generally fabricated with focused ion beam milling on planar thin films. These nanobridges ...
  • Van Staden, Wynand Fourie (2007-03)
    A major challenge in the design and operation of High Temperature Superconducting (HTS) devices is the fabrication of reproducible Josephson junctions with good IcRn products. One objective of this thesis was to fabricate ...
  • Ballot, Johan Stephen Simeon (Stellenbosch : University of Stellenbosch, 2005-03)
    This thesis relates to the design, implementation and evaluation of statistical face recognition techniques. In particular, the use of Hidden Markov Models in various forms is investigated as a recognition tool and ...
  • Rautenbach, Pieter Albertus (Stellenbosch : University of Stellenbosch, 2005-03)
    Structure from Motion suggests that an object or scene’s three-dimensional structure can be determined from its observed two-dimensional motion. Human efforts, manifested in computer algorithms, try to mimic the ...
  • Du Preez, Marianne (Stellenbosch : University of Stellenbosch, 2009-03)
    Statistical speech recognition systems typically utilise a set of statistical models of subword units based on the set of phonemes in a target language. However, in continuous speech it is important to consider co-articulation ...
  • Alphonse, Stephanie (Stellenbosch : Stellenbosch University, 2012-03)
    ENGLISH ABSTRACT: The o set Gregorian dual re ector antenna is eminently well suited to a radio telescope antenna application as it o ers a narrow beam width pattern (i.e high gain) and good e ciency. The focus of this ...
  • Basson, Willem Albertus (Stellenbosch : Stellenbosch University, 2011-12)
    ENGLISH ABSTRACT: This thesis presents the development of an adaptive longitudinal control system for an unmanned aerial vehicle (UAV). The project forms part of a research effort at Stellenbosch University into different ...
  • Beeton, Wiaan (Stellenbosch : Stellenbosch University, 2013-12)
    ENGLISH ABSTRACT: In this thesis the design, analysis, implementation, and verification of a fault-tolerant unmanned aerial vehicle (UAV) flight control system which is robust to structural damage causing the natural ...
  • Vos, Jacu (Stellenbosch : Stellenbosch University, 2002-12)
    ENGLISH ABSTRACT: For space designs, just as for terrestrial applications, the appetite for more computing power is virtually insatiable. Further, like portable applications, space use implies severe power constraints. ...
  • Barnard, Arno (Stellenbosch : Stellenbosch University, 2001-12)
    ENGLISH ABSTRACT: After SUNSAT was launched in 1999 and the possibility of developing another micro satellite emerged, areas of possible improvement were identified. Among the suggestions that emerged was the idea of ...
  • Skinner, Robert Edmid (Stellenbosch : Stellenbosch University, 2005-12)
    ENGLISH ABSTRACT: The purpose of this study was to investigate the feasibility of a moon sensor as an alternative or supplemental sensor to supply attitude information to a satellite. The visibility of the moon was ...