Author:Goyal, SK; Boukama-Dzoussi, PE; Ghosh, S; Roux, FS; Konrad, TDate:Apr 2014Quantum teleportation, the transfer of the state of one quantum system to another without direct interaction between both systems, is an important way to transmit information encoded in quantum states and to generate quantum correlations ...Read more
Author:Klarman, S; Meyer, TDate:Jun 2014SQL:2011, the most recently adopted version of the SQL query language, has unprecedentedly standardized the representation of temporal data in relational databases. Following the successful paradigm of ontology-based data access, we develop ...Read more
Author:Salmon, BP; Olivier, JC; Kleynhans, W; Wessels, Konrad J; Van den Bergh, FDate:Jul 2009This paper shows that a feedforward Multilayer Perceptron (MLP) operating over a temporal sliding window of multispectral time series MODerate-resolution Imaging Spectroradiometer (MODIS) satellite data is able to detect land cover change ...Read more
Author:Nienaber, S; Funke, Nicola SDate:01 Sep 2010The South African water sector faces challenges that need to be addressed through effective policy development and implementation. Sound evidence, based on researched consideration of issues and solutions, is an important input to policy ...Read more
Author:Chakwizira, JDate:Jul 2007This paper is concerned with the road traffic congestion problems and de-congestion initiatives in the Greater Johannesburg Area (GJA). A rapid appraisal of the traffic congestion and de-congestion map and atlas of the GJA was conducted with ...Read more
Author:Henriques, R; Lelek, M; Fornasiero, EF; Valtorta, F; Zimmer, C; Mhlanga, MusaDate:May 2010QuickPALM in conjunction with the acquisition of control features provides a complete solution for the acquisition, reconstruction and visualization of 3D PALM or STORM images, achieving resolutions of ~40 nm in real time. This software package ...Read more
Author:Burns, MER; Du Plessis, MA; Verwoerd, DJDate:Feb 1988The Quko Estuary is referred to locally as Double Mouth, after the confluence of the two rivers which takes place to the mouth. The name is somewhat misleading, as it could imply that the Quko River enters the sea at two places which is not ...Read more
Author:Gerryts, BA; Buys, AJDate:Jul 2008In investigating the link between R&D and innovation, data was used from the South African Innovation Survey of 2001 (SAIS2001). The SAIS2001 results showed that South African enterprises had a relatively high level of innovation with a low ...Read more
Author:Curle, A; Moller, H; Govender, GDate:2013The history of semi-solid metal forming and in particular rheo-high pressure die casting at the Council for Scientific and Industrial Research in South Africa is discussed. Processing flexibility is demonstrated on the Al-Si-Mg, Al-Mg-Si, ...Read more
Author:Curle, UA; Wilkins, JD; Govender, GDate:2013Flexibility of the Council for Scientific and Industrial Research’s Rheocasting System (CSIR-RCS) and its rheo-high pressure die casting (R-HPDC) technology is again demonstrated, as with aluminium alloys, by processing and shape casting of ...Read more
Author:Bosilong, KP; Mbecke, PDate:May 2010This chapter begins with a brief tour of South Africa's justice and political systems, demographics and discourses of race. The brief narrative, which will also allude to situations in Apartheid South Africa, is meant to aid understanding of ...Read more
Author:Anderson, FDate:Nov 2008South Africa, like other countries, faces the challenge of protecting its territory and its people from activities such as illegal border crossings, weapons trafficking, smuggling, piracy, poaching, organised crime, and terrorism on land, at ...Read more
Author:Du Plessis, MC; Olivier, JCDate:Jul 2009This paper presents a classification method which discriminates between two radar transmitters based on the received pulses. A simple radar transmitter model is presented to which a non-stationary signal classifier is applied. The classifier ...Read more
Author:Zhang, Y; Roux, FX; McLaren, M; Forbes, ADate:2014The radial degrees of freedom of the biphoton states that are produced in spontaneous parametric down-conversion (SPDC) in the Laguerre-Gaussian (LG) basis are investigated, theoretically and experimentally. We calculated the theoretical ...Read more
Author:Sephton, Bereneice C; Dudley, Angela LDate:Aug 2017Beams carrying orbital angular momentum (OAM) are ubiquitous in many experiments carried out today and cover a wide range of research, from surface microstructure processing to optical tweezers and communications. It follows that these beams ...Read more
Author:Mathuthu, M; Raseleka, RM; Forbes, A; West, NADate:Dec 2006Laser-induced breakdown spectroscopy (LIBS) is a non-intrusive technique that needs no sample preparation and even recently, quantitative measurements were done without the need for calibration standards. Much research has been done on the ...Read more
Author:Makinta, MJ; Brinders, JM; Smith, KADate:Oct 2005Irradiation has adverse effects on reproductive aspects such as spermatogenic cell population and cell malformation, leading to reduced sperm count and non-viable spermatozoa. This has overshadowed possible effects of radiation exposure on ...Read more
Author:Garner, E; Barkenhuysen, FADate:Dec 1984The bleaching of cotton fabrics with radio frequency (RF) energy was investigated and compared with conventional pad-steam bleaching.Read more
Author:Ogbodo, EU; Dorrell, DG; Abu-Mahfouz, Adnan MIDate:Jan 2021Background: A cognitive radio sensor network (CRSN)-based Smart Grid (SG) is a new paradigm for a modern SG. It is totally different from the traditional power grid and conventional SG. Currently, an SG uses a static resource allocation ...Read more