Author:Dudley, Angela L; Majola, N; Chetty, N; Forbes, ADate:Feb 2016The coherent superposition of a Gaussian beam with an optical vortex can be mathematically described to occupy the complex plane. The authors provide a simple analogy between the mathematics, in the form of the complex plane, and the visual ...Read more
Author:Van Dyk, FEDate:Aug 2005This paper presents the concerns for the safety of consumers, in relation to phytosanitary issues; residues of crop protection products and bio-terrorism. Traceability gives the ability to trace and follow a food, feed, food-producing animal ...Read more
Author:Velupillai, HM; Van Heerden, Renier P; Vorster, JDate:Sep 2007Wireless networks face innovative intrusion methods that have never been focused on wired networks. This paper describes a simple inexpensive way to implement a wireless intrusion detection system. The system takes advantage of the unique ...Read more
Author:Mwenge Kahinda, Jean-Marc; Meissner, Richard; Engelbrecht, FADate:Oct 2015A three-phase study was initiated as a way to promote Integrated Catchment Management approaches in the Limpopo River basin. This paper presents the situational assessment, which should enable De Beers to understand how their Venetia Mine ...Read more
Author:Taljaard, Susan; Slinger, JH; Morant, PD; Theron, AK; Van Niekerk, Lara; Van der Merwe, JDate:Oct 2012Over the last four decades the development of frameworks for integrated coastal management (ICM) and models for ICM implementation have received much attention from researchers and practitioners alike. This has resulted in a proliferation of ...Read more
Author:Le Roux, AlizeDate:Jul 2013It is difficult for policy and decision makers to observe and quantify the implications of their land use policies and strategies and what it might or might not mean for a city's landscape a decade or more from now. The CSIR Spatial Planning ...Read more
Author:Strachan, GarthDate:Oct 2017This presentation discusses how localisation programmes in South Africa could enhance its industrial development.Read more
Author:Isaac, KDate:Nov 2015Mconf web conferencing has been launched successfully as a South African National Research and Education Network (SA NREN) production level service from July 2015. This web conferencing service is an Open Source Multi-conference System funded ...Read more
Author:Oosthuizen, RudolphDate:Oct 2017In Systems Engineering (SE), modelling is applied to capture and represent the mental models of the systems’ stakeholders. These models, consisting of various viewpoints on the system structure and behavior, can be used to derive requirements ...Read more
Author:Draai, K; Mooi, RDate:Nov 2015The South African National Research Network (SANReN) serves over 1 million users who expect high performance. To ensure optimal operation, rapid detection and correction of abnormalities is crucial. PerfSONAR is a network measurement toolkit ...Read more
Author:Goyal, SK; Roux, FS; Forbes, A; Konrad, TDate:Jun 2013We present an implementation scheme for a quantum walk in the orbital angular momentum space of a laser beam. The scheme makes use of a ring interferometer, containing a quarter-wave plate and a q plate. This setup enables one to perform an ...Read more
Author:Muswema, Aubrey P; Oelofse, Suzanna HHDate:Oct 2016Municipalities face the challenge of how to manage their waste, in an environment where other priorities like water, housing and electricity are competing for funding from municipal budgets. Management should include avoidance or prevention ...Read more
Author:Ouma, S; Herselman, Martha E; Van Greunen, DDate:Aug 2009The use of Information Communication Technologies (ICT) within healthcare can make significant changes in the daily operations of hospitals particularly in the developing world. A technology assessment of five hospitals based within Nyanza ...Read more
Author:Kruger, Carel P; Hancke, GPDate:Jul 2014The authors of this paper explore the use of IPv6 over Low power Wireless Personal Area Networks (6LoWPAN), IPv6 Routing Protocol for Low power and Lossy Networks (RPL) and Constrained Application Protocol (CoAP) as a possible solution for ...Read more
Author:MacKay, HM; Rogers, KH; Roux, DJDate:Oct 2003This paper discusses the long-term implementation of the South African National Water Policy of 1997, and addresses some of the difficult issues of the management and leadership of large change processes. Although the vision established by ...Read more
Author:Matinise, Sihle N; Roos, C; Oelofse, Suzanna HH; Muswema, Aubrey PDate:Oct 2018Long working hours, the growing middle class, the increased participation of women in the labour force as well as the convenience offered by restaurants have greatly accelerated the growth of the commercial food service sector across the world ...Read more
Author:Nahman, Anton; Oelofse, Suzanna HHDate:Oct 2018The SASCOST model is a tool for comparing the costs and benefits of alternative options for implementing a Separation at Source (S@S) recycling programme. S@S is a crucial step in implementing the waste management hierarchy. The model can be ...Read more