Browsing Masters Degrees (Electrical and Electronic Engineering) by Title

Now showing items 207-226 of 487

  • An economical do - it - yourself ground station for school pupils 

    Nel, Francois (Stellenbosch : Stellenbosch University, 2001-12)
    ENGLISH ABSTRACT: The aim of the thesis is the design of an economical do - it - yourself ground station for school pupils to communicate with SUNSAT 1. The ground station should also be more economical than a hand - ...

  • An eCos based flight software for a nanosatellite 

    Mthembu, Sifiso Selby (Stellenbosch : University of Stellenbosch, 2009-03)
    The nanosatellite is build-up of subsystems and payloads (defined as satellite nodes) connected together into the OBC using CAN bus as the main communication protocol. The flight software application is required to run ...

  • Effect of altitude on audible noise generated by AC conductor corona 

    Roets, Hendrik Adriaan (Stellenbosch : Stellenbosch University, 2012-12)
    ENGLISH ABSTRACT: Power utilities are expected to keep the cost of electricity as low as possible. They are also expected to be environmentally friendly and, amongst other things, not to produce unacceptable audible ...

  • The effect of mutual coupling on the noise performance of large antenna arrays 

    Van der Merwe, Jacki (Stellenbosch : University of Stellenbosch, 2010-03)
    ENGLISH ABSTRACT: Worldwide, more large antenna arrays are being deployed in areas of science previously dominated by other antenna geometries. Applications for large arrays include Radar, Satellite Communications and ...

  • Efficient modelling of a wind turbine system for parameter estimation applications 

    Bekker, Johannes Cornelius (Stellenbosch : Stellenbosch University, 2012-03)
    ENGLISH ABSTRACT: Wind energy is a very current topic, both locally and internationally. It is one of the most rapidly growing renewable energy sources with installed capacity doubling every three years. South Africa's ...

  • Efficient numerical analysis of focal plane antennas for the SKA and the MeerKAT 

    Ludick, Daniel Jacobus (Stellenbosch : University of Stellenbosch, 2010-03)
    ENGLISH ABSTRACT: The use of Focal Plane Arrays (FPAs) as suitable feed-structures for the Parabolic Dish Reflector antennas that are intended to form a large part of the Square Kilometre Array (SKA) is currently the ...

  • Efficient registration of limited field of view ocular fundus imagery 

    Van der Westhuizen, Christo Carel (Stellenbosch : Stellenbosch University, 2013-12)
    ENGLISH ABSTRACT: Diabetic- and hypertensive retinopathy are two common causes of blindness that can be prevented by managing the underlying conditions. Patients suffering from these conditions are encouraged to undergo ...

  • Electrically small planar antenna for circular polarization 

    Huysamen, Johan Herman (Stellenbosch : Stellenbosch University, 2006-12)
    The design of an electrically small planar antenna for compact circular polarization is presented. After an in-depth study of the performance limitations on electrically small antennas and an investigation into the working ...

  • Electricity theft detection on a low voltage reticulation environment 

    Doorduin, Riaan (Stellenbosch : University of Stellenbosch, 2004-12)
    ENGLISH ABSTRACT: Electricity theft in South Africa has become a major problem. This led to several developments from both industries and research institutes to counter these actions. Since equipment is already installed ...

  • An electro-optic measurement system for electric fields near RF and microwave radiators and scatterers 

    Tait, Jan (Stellenbosch : Stellenbosch University, 2000-12)
    ENGLISH ABSTRACT: An electro-optic sensor system was developed which uses the modulated scatterer technique [1] to measure the fine structure-amplitude and phase-of electric fields with the minimum of perturbation. The ...

  • Electromagnetic modelling of a borehole radar environment with the finite difference time domain method 

    Burger, Ernst H. (Stellenbosch : University of Stellenbosch, 2000-12)
    South Africa has an immensely rich reserve of minerals which still has to be exploited. The problem with these reserves is that they exist in reefs where the mining environment is extremely hazardous, and where mining ...

  • Electronic voltage regulator technology for rural electrification 

    Serdyn, J. J. (Stellenbosch : Stellenbosch University, 2008-03)
    ENGLISH ABSTRACT: This thesis discusses the development of a 5 kVA single phase AC voltage regulator, specifically designed to assist in the reduction of electrification costs in sparsely populated rural areas. The voltage ...

  • Electronically adjustable bandpass filter 

    Terblanche, Phillip (Stellenbosch : Stellenbosch University, 2011-12)
    ENGLISH ABSTRACT: This thesis presents the study, analysis and design of electronically tunable filters, that can be tuned over a wide frequency range (20-500MHz), for use in a direct sampling receiver. The final design ...

  • Elliptical applicator design through analysis, modelling and material property knowledge 

    Fouche, Carien (Stellenbosch : University of Stellenbosch, 2006-12)
    The properties of an elliptical microwave applicator are investigated. The investigation includes the analytical solution of the cutoff frequencies and electromagnetic field patterns in elliptical waveguides. This requires ...

  • An EMC framework for South Africa 

    Venter, Francois A (Stellenbosch : Stellenbosch University, 2003-04)
    ENGLISH ABSTRACT: This thesis pursues the establishment of a new Electromagnetic Compatibility (EMC) framework for South Africa. The aim of this framework is to ensure that the user is protected from sub-standard products ...

  • Equivalence between in-house and conventional EM immunity test techniques 

    Nicholls, Christo (Stellenbosch : Stellenbosch University, 2008-03)
    Conventional immunity tests are both time consuming and costly. There is thus a reasonable interest in relatively quick, but accurate and cost effective, in-house pre-compliance test techniques within an engineering d ...

  • Establishing a process for the fabrication of high-quality HTc SQUIDs 

    Rottier, P. A. (Pieter Adriaan) (Stellenbosch : Stellenbosch University, 2002-12)
    ENGLISH ABSTRACT: High-temperature (HTc) SQUID magnetometers are used in the biomedical field of magnetocardiography (MCG). The use of MCG enables a much earlier diagnosis of potentially dangerous conditions than the ...

  • Estimation of particle size distributions in mineral process systems using acoustic techniques 

    Swanepoel, Francois (Stellenbosch : Stellenbosch University, 2000-04)
    ENGLISH ABSTRACT: A desire to increase the efficiency of the comminution process in mineral process systems has led to the need of determining the size distribution of ore particles at various stages in the system. The ...

  • Estimation of Synchronous Generator Parameters using Time-domain Responses 

    Galbraith, A. S. G. (Stellenbosch : University of Stellenbosch, 2005-12)
    Power system stability simulations are of growing importance for studying the operational integrity of modern power systems, especially in developing economies where generating and transmission capacity lead the demand ...

  • Evaluating TCP/IP performance over satellite networks 

    Thompson, Richard (Stellenbosch : Stellenbosch University, 2004-04)
    ENGLISH ABSTRACT: Interest in TCP/IP as a communication protocol for use in space communication has increased substantially with the growth of the world wide web (WWW). TCP/IP is a relevant communication protocol for ...