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    • Handwritten signature verification : a hidden Markov model approach 

      Le Riche, Pierre (Pierre Jacques) (Stellenbosch : Stellenbosch University, 2000-12)
      ENGLISH ABSTRACT: Handwritten signature verification (HSV) is the process through which handwritten signatures are analysed in an attempt to determine whether the person who made the signature is who he claims to ...
    • Handwritten signature verification using hidden Markov models 

      Sindle, Colin (Stellenbosch : Stellenbosch University, 2003-12)
      ENGLISH ABSTRACT: Handwritten signatures are provided extensively to verify identity for all types of transactions and documents. However, they are very rarely actually verified. This is because of the high cost of ...
    • Hardware description language modelling and synthesis of superconducting digital circuits 

      Muchuka, Nicasio Maguu (Stellenbosch : Stellenbosch University, 2017-03)
      ENGLISH ABSTRACT: The energy demands and computational speed in high performance computers threatens the smooth transition from petascale to exascale systems. Miniaturization has been the art used in CMOS (complementary ...
    • A hardware-in-the-loop simulation facility for the attitude determination and control system of SUNSAT 

      Engelbrecht, J. A. A. (Stellenbosch : Stellenbosch University, 1999-12)
      ENGLISH ABSTRACT: hardware-in-the-Ioop simulation facility was developed for the attitude determination and control system (ADCS) of the Stellenbosch University Satellite (SUNSAT), a low earth orbit, nadir pointing ...
    • Harmonic interaction between weak AC systems and VSC-based HVDC schemes 

      Krige, Ernst (Stellenbosch : Stellenbosch University, 2012-12)
      ENGLISH ABSTRACT: The implementation of the Caprivi Link Interconnector (CLI) High Voltage Direct Current (HVDC) scheme in 2010 connecting the weak Namibian and Zambian Alternating Current (AC) transmission networks via ...
    • Harmonic mixer analysis and design 

      Van der Merwe, Marius (Stellenbosch : Stellenbosch University, 2002-03)
      ENGLISH ABSTRACT: Harmonic mixers are capable of extended frequency operation by mixing with a harmonic of the LO (local oscillator) signal, eliminating the need for a high frequency, high power LO. Their output spectra ...
    • A health systems engineering approach to meeting the demand for skilled foetal ultrasound services in the Boland/Overberg public health district 

      Uys, Nina (Stellenbosch : Stellenbosch University, 2010-10)
      ENGLISH ABSTRACT: In its Millennium Development Goals, the United Nations prioritizes the improvement of maternal health in developing countries. The World Health Organization argues that this can be done through improving ...
    • Heat pipe heat exchanger for high temperature nuclear reactor technology 

      Dobson, Robert T.; Laubscher, Ryno (Global Digital Central, 2013)
      ENGLISH ABSTRACT: When a high temperature nuclear reactor is used to supply process heat, nuclear regulators require an intermediate heat transfer loop between the primary reactor coolant stream and the secondary process ...
    • Heat transfer to MHD oscillatory dusty fluid flow in a channel filled with a porous medium 

      Prakash, O. M.; Makinde, O. D.; Kumar, Devendra; Dwivedi, Y. K. (Indian Academy of Sciences, 2015)
      In this paper, we examine the combined effects of thermal radiation, buoyancy force and magnetic field on oscillatory flow of a conducting optically thin dusty fluid through a vertical channel filled with a saturated porous ...
    • Heat treatment of TI-6AL-4V produced by laserCUSING 

      Becker, Thorsten; Van Rooyen, Melody; Dimitrov, Dimitri (SAIIE, 2015)
      LaserCUSING® is a selective laser melting (SLM) process that is capable of manufacturing parts by melting powder with heat input from a laser beam. LaserCUSING demonstrates potential for producing the intricate geometries ...
    • Helicopter tail boom vibration analysis and suppression 

      Funnell, M. E. (Marc Edwin) (Stellenbosch : Stellenbosch University, 2002-04)
      ENGLISH ABSTRACT: An experimental investigation was conducted usmg a cantilever beam to illustrate an understanding of vibration techniques and phenomena. The [Tee and forced vibration of the cantilever beam was ...
    • Heliostat cost reduction for power tower plants. 

      Pidaparthi, Arvind Sastry (Stellenbosch : Stellenbosch University, 2017-03)
      ENGLISH ABSTRACT: Heliostats typically contribute to about 40 % of the total installed costs in a concentrated solar power (CSP) tower plant. The objective of this study is to investigate the effects of heliostat size on ...
    • A heliostat field control system 

      Malan, Karel Johan (Stellenbosch : Stellenbosch University, 2014-04)
      ENGLISH ABSTRACT: The ability of concentrating solar power (CSP) to efficiently store large amounts of energy sets it apart from other renewable energy technologies. However, cost reduction and improved efficiency is ...
    • Heliostat field layout optimization for a central receiver 

      Lutchman, Shanley Lawrence (Stellenbosch : Stellenbosch University, 2014-12)
      ENGLISH ABSTRACT: There are two methods generally used for heliostat field layout optimization: the field growth method and the pattern method. A third, less commonly used method also exists: the free variable method. ...
    • A heuristic integrated planning decision support model for large multiple capital projects 

      Coetzee, Stephanus Johannes (Stellenbosch : Stellenbosch University, 1999-11)
      ENGLISH ABSTRACT: In order to do proper long-term planning for major capital projects which are funded collectively by a central body (e.g. the government), input is required from strategic level as well as from project ...
    • High accuracy numerical model of the SALT mirror support truss 

      De Lange, Billy (Stellenbosch : Stellenbosch University, 2011-12)
      ENGLISH ABSTRACT: Although a numerical model of the mirror support truss of the Southern African Large Telescope (SALT) has already been developed during the design thereof, this thesis focuses on the development of the ...
    • High Octane and Oxygenate test set-up for CFR Octane Engine. 

      Bergenthuin, Johannes Gysbertus (Stellenbosch : Stellenbosch University, 2018-03)
      ENGLISH ABSTRACT: Petrol blending involves mixing of several refinery fuel streams, each with different properties that contribute to the usability of the final product. The octane rating of a fuel stream is the measure ...
    • High power LDMOS L-band radar amplifiers 

      McIver, Stuart Roderick Arthur (Stellenbosch : University of Stellenbosch, 2010-03)
      ENGLISH ABSTRACT: The thesis details the design, construction and experimental evaluation of 30W, 35W and 250W L-Band LDMOS Radar amplifiers. Each amplifier module contains an integrated high speed power supply in order ...
    • High pressure fluid phase equilibria 

      Du Rand, Marlie (Stellenbosch : Stellenbosch University, 2000-12)
      ENGLISH ABSTRACT: Supercritical extraction is being investigated as a possible alternative to the processes currently used in the fractionation of paraffinic waxes. By removing the lighter carbon fractions from the wax, ...
    • The high pressure phase behaviour of detergent range alcohols and alkanes 

      Fourie, Frederick Christiaan van Niekerk (Stellenbosch : Stellenbosch University, 2018-03)
      ENGLISH SUMMARY: Supercritical fluids fulfil specialised roles in the food and beverage, petroleum, natural gas, polymers, pharmaceuticals and novel materials development industries. Supercritical fluid extraction (SFE) ...