Author:Mtsweni, Jabu S; Ndlovu, Lungisani; Mthethwa, Sthembile N; Mkuzangwe, Nenekazi NPDate:Nov 2023Misinformation, disinformation, malinformation, and/or fake news have gained attention for good and bad in South Africa, especially since the COVID-19 pandemic. The research-based and non-research-based interventions to tackle misinformation ...Read more
Author:Mtshweni, Jabu; Modiba, FSDate:Sep 2021Information and communication technologies (ICTs) have transformed almost every aspect of our lives as citizens, employees, parents, politicians, businesses, leaders, and as members of any type of a community. ICTs have demonstrated across ...Read more
Author:Mtshweni, Jabu; Modiba, FSDate:Sep 2021Information and communication technologies (ICTs) have transformed almost every aspect of our lives as citizens, employees, parents, politicians, businesses, leaders, and as members of any type of a community. ICTs have demonstrated across ...Read more
Author:Roodt, JH; Leenen, L; Van Vuuren, JJ; Dawood, Zubeida CDate:Jul 2020Complex societal problems require a multidisciplinary and multi-method approach to develop models that can support the development of solutions. General morphological analysis is a qualitative method to extract information from experts through ...Read more
Author:Phahlamohlaka, Letlibe J; Théron, J; Aschmann, MJDate:2022Cybersecurity has evolved over the years, and today cyberattacks instigated by cyber-criminals, nation states, or insider threat actors are part of regular headline news. In South Africa and around the world, the number of cyberattacks or ...Read more
Author:Badenhorst, Danielle PDate:06 Sep 2023Reliance on digital technologies for innovation management is unavoidable in current contexts. While digital processes and business models have been prioritised as key factors to drive innovation and value creation within firms, cybersecurity ...Read more
Author:McDonald, Andre M; Van Wyk, MDate:Oct 2020A new approach to solving a more general formulation of the inverse Frobenius-Perron problem, which requires the construction of a one-dimensional ergodic map with prescribed invariant probability density function and power spectral density, ...Read more
Author:Meyers, Bronwyn C; Grobler, Jan-Hendrik; Snedden, GCDate:Sep 2022A combustor was designed for a 200N micro-gas turbine for the model aircraft industry using the NREC design method. Multiple designs resulted which varied in terms of annular area split configuration, hole area splits and relative hole ...Read more
Author:Botha, LouisDate:Nov 2023The design of an offset reflector fed with a phased array that is not in the focal plane is described. By using the phased array, it is possible to scan the pattern of the reflector antenna. The effect of the position of the feed is shown in ...Read more
Author:Dawood, Zubeida C; Van 't Wout, CDate:Oct 2022Although there is an increasing amount of information for counter-terrorism operations freely available online, it is a complex process to extract relevant information and to detect useful patterns in the data in order for intelligence ...Read more
Author:Mgaga, Sboniso S; Tapamo, JRDate:Dec 2020Latent fingerprints are fingerprint impressions left on the surfaces a finger comes into contact with. They are found in almost every crime scene. Conventionally, latent fingerprints have been obtained using chemicals or physical methods, ...Read more
Author:Bergh, J; Snedden, Glen; Dunn, DwainDate:Apr 2020This paper presents the predicted, as well as final experimental results for the design of an automatically optimized non-axisymmetric endwall and as such, attempts to close the loop between design and practice, providing additional information ...Read more
Author:Cebekhulu, Eric; Onumanyi, Adeiza J; Isaac, Sherrin JDate:Feb 2022The use of machine learning (ML) algorithms for power demand and supply prediction is becoming increasingly popular in smart grid systems. Due to the fact that there exist many simple ML algorithms/models in the literature, the question arises ...Read more
Author:Grobler, InusDate:Oct 2022Lithium Titanite Oxide (LTO) cells with the typical anode chemical compound Li4Ti5O12, are currently used in heavy transport vehicles (e.g., electric busses) and MW-size Battery Energy Storage Systems (BESS), due to their excellent performance, ...Read more
Author:Stoltz, George G; Stoltz, MDate:Sep 2020In this paper, we model a real-time feasible rosette imager, consisting of a rosette scanner, an optical sensor and a deterministic image reconstruction algorithm. We fine-tune the rosette imager through selecting the appropriate sensor field ...Read more
Author:Blaauw, Ciara; Potgieter, Monique; Cilliers, Jacques EDate:Apr 2020Commercial off the shelf antennas make it possible to perform rapid initial system tests and proof of concepts experiments. This paper reports on the antenna performance of a cost effective commercial off the shelf printed Log-periodic antenna ...Read more
Author:Nelufule, Nthatheni; Singano, Zothile T; Shadung, Lesiba D; Masemola, Kelebogile BDate:Jun 2023The Internet of Things has enabled unprecedented levels of devices connectivity and communication through data collection and sharing from multiple devices. These massive communications also introduced new challenges to digital forensics, ...Read more
Author:Berndt, Robert J; Nel, Willem AJ; Abdul Gaffar, MY; O’Hagan, DDate:Dec 2021Helicopter main rotor blade flashes in radar measurements are an oft-used feature for target classification. While focus is often placed on being able to detect them, little attention has been given to what is required to ensure that they are ...Read more
Author:Erasmus, Louwrence DDate:Aug 2023Digital Transformation in Achieving Defence Information Excellence in the Journey to Greatness with Editor: Dr Louwrence Erasmus Pr. Eng. Introduction: The Command and Management Information Systems (CMIS) Division strives towards Information ...Read more