Author:Steenkamp, Karen C; Wessels, Konrad J; Archibald, S; Von Maltitz, Graham PDate:Nov 2008Satellite-derived phenology allows monitoring of terrestrial vegetation on a global scale and provides an integrative view at the landscape level. Understanding these seasonal phenological patterns is essential to (i) the characterisation and ...Read more
Author:Keaikitse, M; Brink, W; Govender, NatashaDate:Nov 2014Detection and tracking are important components of many computer vision applications including automated surveillance. Object detection should overcome challenges such as changes in object appearances, illumination, and shadows. In our system, ...Read more
Author:Engelbrecht, Jeanine; Inggs, MRDate:Aug 2016Differential radar interferometry (dInSAR) techniques are well known for their ability to provide mm- to cm-scale measurements of surface deformation. Very accurate measurements of deformation have been achieved in several areas of research ...Read more
Author:Mubiwa, B; Mokonyama, Mathetha T; Annegarn, HDate:Jul 2015Studies have shown that land-use and transportation systems have a two-way dependency. On one hand, the existing land-use structures influence trip distances and transport mode choice, while on the other hand transport infrastructure and ...Read more
Author:Marais, J; Malekian, R; Abu-Mahfouz, Adnan MIDate:Sep 2017The Internet of Things (IoT) is a fast-growing movement turning devices into always-connected smart devices through the use of communication technologies. This facilitates the creation of smart strategies allowing monitoring and optimization ...Read more
Author:Baumbach, J; Marais, Andre H; Gonçalves, DPDate:Sep 2015Despite the advances in mature engineering disciplines, some complex systems continue to fail, and sometimes catastrophically. The lack of understanding of a problem and all its constituting elements is a key determinant in project failure. ...Read more
Author:Burke, Ivan D; Motlhabi, Michael B; Netshiya, Rofhiwa; Pieterse, HeloiseDate:Feb 2021Recently, well-known and established South African organisations have experienced cyberattacks. South African Bank Risk Information Centre (SABRIC) confirmed in October 2019 that the industry had been hit by a wave of Distributed Denial of ...Read more
Author:Myburgh, HC; Olivier, JCDate:May 2009This work proposes a near-optimal hard output neural network based iterative Maximum Likelihood Sequence Estimation (MLSE) equalizer, based on earlier work by the authors, able to equalize single carrier 4-QAM signals in underwater acoustic ...Read more
Author:Myburgh, HC; Olivier, JCDate:May 2009This work proposes a neural network based iterative Maximum Likelihood Sequence Estimation (MLSE) equalizer, able to equalize signals in M-arry Quadrature Amplitude Modulation (M-QAM) modulated systems in a mobile fading environment with ...Read more
Author:Oberholster, Paul J; Cheng, Po Hsun HDate:Sep 2016This presentation discusses a low cost algae-based tertiary treatment for waste water treatment works in rural areas of developing countries. The focus areas of the presentation include water availability in Africa and climate change, ...Read more
Author:Kuchena, JC; Usiri, PDate:Sep 2009Low cost or affordable construction technologies and materials are often touted as a panacea in meeting the ever growing demand for rapid housing delivery in developing economies. Mozambique as with most of the developing world, from both ...Read more
Author:Grobler, Inus; Gitau, MNDate:Jun 2013An extended pre-compliance measurement setup has been created in the development laboratory to measure and diagnose conducted EMI up to tOO MHz without the use of a spectrum analyser. A dual compact Line Impedance Stabilisation Network (LISN) ...Read more
Author:Rademeyer, E; Van der Walt, Christiaan M; De Waal, ADate:Dec 2016This paper investigates the performance of two-class classification credit scoring data sets with low default ratios. The standard two-class parametric Gaussian and non-parametric Parzen classifiers are extended, using Bayes’ rule, to include ...Read more
Author:Luo, H; Mathe, Mahlanyane KDate:31 Aug 2010Energy is one of the most important factors that will influence the shape of society in the 21st century. Fuel cells are electrochemical energy converters, transforming chemical energy directly into electricity. Fuel cells are the main zero ...Read more
Author:Bezuidenhout, Petrone H; Smith, Suzanne; Land, Kevin J; Joubert, T-HDate:Sep 2017The work presented details the development of a lowcost potentiostat, with the aim of creating an ink-jet printed hybrid paper-based low-cost sensing system for rapid water quality monitoring. Potentiostats exhibit high sensitivities and can ...Read more
Author:Cummings, FDate:Sep 2010This paper provides a background to photovoltaics, and goes on to discuss dye-sensitised solar cell research and development at the CSIR. An overview of TiO2 nanotube synthesis is given, followed by the discussing the manufacturing process ...Read more
Author:Smith, Andrew CDate:Jul 2008We present a low-cost, low-energy technology design that addresses the lack of readily available functional computers for the vast number of computer-illiterate people in developing countries. The tangible programming language presented is ...Read more
Author:Bezuidenhout, Petrone H; Land, Kevin J; Joubert, T-HDate:Sep 2016Electrochemical biosensing is used to detect specific analytes in fluids, such as bacterial and chemical contaminants. A common implementation of an electrochemical readout is a potentiostat, which usually includes potentiometric, amperometric, ...Read more
Author:Carpanen, D; Webster, C; Pandelani, Thanyani A; Newell, N; Clasper, J; Masouros, SDate:Jul 2018The lower extremity is the most common body region injured in modern warfare which is characterised by proliferation of explosive weapons. Personnel on foot (dismounted) attacked by anti-personnel mines sustain predominantly an open pelvic ...Read more