Author:Badou, DF; Diekkruger, B; Kapangaziwiri, Evison; Afouda, AADate:Oct 2017Soil moisture is known to be important in hydrology, agronomy, floods and drought forecasting. Acquisition of in situ soil moisture data is time consuming, costly, and does not cover the scale required for basin analysis. The consideration ...Read more
Author:Paine, AP; Rossouw, P; Bruwer, R; Williams, MDate:Jul 2007he development of appropriate techniques for casting complex, thin walled, light weight structures and housings, to assist the aerospace sector in achieving the required reductions in component weight and concomitant increase in strength, has ...Read more
Author:Govender, Nicolin; Pizette, P; Wilke, DN; Abriak, NDate:Sep 2015Understanding the dynamical behavior of particulate materials is extremely important to many industrial processes, with typical applications that range from hopper flows in agriculture to tumbling mills in the mining industry. The discrete ...Read more
Author:Tsela, PL; Van Helden, P; Frost, P; Wessels, Konrad J; Archibald, SDate:Jul 2010The Moderate Resolution Imaging Spectroradiometer (MODIS) time-series data afford the remote sensing community a unique opportunity to investigate the frequency and distribution of fires. Previous research that validated the MODIS burned area ...Read more
Author:Naicker, K; Anderson, F; Le Roux, Alize; Alhuwaimel, SDate:Apr 2011Maritime border safeguarding is a vital component in the protection of a countries resources and interests against illegal activities. With the increasing asymmetric nature of today’s threats, a primary requirement of any coastal surveillance ...Read more
Author:Tesfaye, T; Sithole, Bishop B; Ramjugernath, DDate:Oct 2017The poultry industry generates large amount of feathers as a waste by-product. Small amounts are often processed into valuable products such as feather meal and fertilisers and the remaining waste is disposed of by incineration or by burial ...Read more
Author:Coetzee, S; Cooper, Antony KDate:Aug 2007The paper presents examples that illustrate the benefits of addresses in South Africa, such as: Connecting households to utilities such as water, sewage, telecommunications and electricity; Routing emergency services, and providing assistance ...Read more
Author:Herselman, Martha E; Botha, AdèleDate:Jun 2017The purpose of this paper is to indicate what value was co-created with various stakeholders when Design Science Research as a methodology was applied, to develop a Digital Health Innovation Ecosystem (DHIE) for South Africa. Design science ...Read more
Author:Vuorinen, E; Focke, W; Rigo, TDate:Feb 2006A vapour-phase corrosion inhibitor (VCI) needs to be a volatile compound or a mixture of compounds. It reaches the surfaces that need to be protected from corrosion via the vapour phase and forms a relatively stable bond at the interface of ...Read more
Author:Van der Walt, Christiaan M; Barnard, EDate:Feb 2017Estimating the joint probability density function of a dataset is a central task in many machine learning applications. In this work we address the fundamental problem of kernel bandwidth estimation for variable kernel density estimation in ...Read more
Author:Shatalov, MDate:Jul 2011Many of wave propagation problems describing by hyperbolic equations could be formulated in terms of the variational principles. In the paper we demonstrate how to derive the systems of ordinary differential equations of the method of lines ...Read more
Author:Manamela, Selolo S; Cilliers, Jacques E; Gaffar, YADate:Dec 2023In this paper, the problem of modelling radio wave propagation through vegetation using parabolic equation methods is investigated by modifying the parabolic equation toolbox (PETOOL) to incorporate a mechanism to model vegetation. The ...Read more
Author:Lesoli, MS; Dube, S; Monde, NDate:Jul 2010Rangeland degradation results in declining functional capacity, increased poverty, and food insecurity. Major changes in rangeland surface morphology and soil characteristics have a drastic effect on the primary productivity of the rangeland ...Read more
Author:Nordengen, Paul A; Kienhöfer, F; De Saxe, CDate:2014As part of a performance-based standards (PBS) research programme for heavy vehicles in South Africa, a need was identified to design, manufacture and operate a number of PBS or Smart Truck demonstration vehicles. The purpose of the demonstration ...Read more
Author:Mukaro, R; Govender, K; Gledhill, Irvy MA; Kokwe, NLDate:Jan 2010In this paper we report on the laboratory investigations of breaking water waves. Measurements of the water levels and instantaneous fluid velocities were conducted in water waves breaking on a sloping beach within a glass flume. Instantaneous ...Read more
Author:Snyman, I.MDate:Sep 2012This paper uses high-speed video images of the PHOTRON APX-RS high-speed camera to determine the velocity of the expanding volume of by-products of a buried landmine. The study analyses three experiments done with the Scientifically Instrumented ...Read more
Author:Botha, LDate:Mar 2007This paper looks at the suitability of using the CADRCS RCS prediction tool for research into a class of NCTR work where the radar will give a high resolution output of the target, either a High Range Resolution (HRR) plot or Inverse Synthetic ...Read more
Author:Davel, MH; De Wet, FebeDate:Sep 2010The authors describe a new language-independent technique for automatically identifying errors in an electronic pronunciation dictionary by analyzing the source of conflicting patterns directly.They evaluate the effectiveness of the technique ...Read more
Author:Mthethwa, Sthembile; Dlamini, Nelisiwe PDate:Mar 2018Hardcopy document forgery is still a challenge and occurs frequently nowadays. Many countries have reported a lot of cases, including South Africa where government issues documents are forged. Protecting these documents from being tampered ...Read more
Author:Seotsanyana, M; Geldenhuys, JDate:Nov 2009The ever-increasing reliance of society on computers has led to a need for highly reliable systems. Computer systems perform critical functions in a number of areas ranging from online transaction processing (such as banking systems) to ...Read more