Author:Zlobinsky, N; Mishra, AK; Lysko, Albert ADate:Mar 2024This paper addresses spectrum sensing (SS) in a Cognitive Radio Ad Hoc Network (CRAHN). The interconnec tions of the nodes are formed on Dynamic Spectrum Access (DSA) channels, such as Television White Spaces (TVWS), so the CRAHN can suffer ...Read more
Author:Thiede, R; Fabris-Rotelli, I; Debba, Pravesh; Cleghorn, CWDate:Mar 2024Spatial linear networks exhibit a variety of patterns. Like spatial point patterns, they can be homogeneous or heterogeneous. Although there exist a wide variety of tests for the homogeneity of point patterns, no statistical tests currently ...Read more
Author:Rampai, MM; Mtshali, CB; Seroka, Ntalane S; Khotseng, LDate:Feb 2024One such technology is hydrogen-based which utilizes hydrogen to generate energy without emission of greenhouse gases. The advantage of such technology is the fact that the only by-product is water. Efficient storage is crucial for the practical ...Read more
Author:Mojapelo, NA; Seroka, Ntalane S; Khotseng, LDate:May 2024The successful commercialization of direct methanol fuel cells (DMFCs) is hindered by inadequate methanol oxidation activity and anode catalyst longevity. Efficient and cost-effective electrode materials are imperative in the widespread use ...Read more
Author:Simelane, Nontobeko P; Olatunji, OS; Mathew, Maya J; Andrew, Jerome EDate:Jun 2024Engineered transparent wood (ETW), derived from the modification of natural wood, presents a sustainable and aesthetically pleasing alternative to traditional glass. This review comprehensively explores the burgeoning field of ETW as a novel ...Read more
Author:Khoaele, Katleho K; Gbadeyan, Oluwatoyin J; Chunilall, Viren; Sithole, BDate:Mar 2023The devastating effect of plastic waste on the ecosystem due to the rapid increase in population has been a concern. Although stakeholders and governments invested in efforts to mitigate plastic waste, their exertions have limited to no effects ...Read more
Author:Lain, Elisabeth J; Kravitz, K; Matthews, M; Bernard, SDate:Jun 2023Paired measurements of phytoplankton absorption and backscatter, the inherent optical properties central to the interpretation of ocean colour remote sensing data, are notoriously rare. We present a dataset of Chlorophyll a (Chl a) -specific ...Read more
Author:Weerts, Steven P; Wehlitz, Carl-Peter FDate:May 2024The objects of the CSIR are, through directed and particularly multi-disciplinary research and technological innovation, to foster, in the national interest and in fields which in its opinion should receive preference, industrial and scientific ...Read more
Author:Ntshangase, Cynthia S; Ndlovu, Lungisani; Stofile, AkhonaDate:Jun 2023The use of biometrics to secure the identity of children is a continuous research worldwide. In the recent past, it has been realized that one of the promising biometrics is the shape of the ear, especially for children. This is be cause most ...Read more
Author:Bernabe, C; Keet, M; Dawood, Zubeida C; Mahlaza, ZDate:Jul 2023Foundational ontologies can be used to enable semantic interoperability in modern information systems. Aligning a domain ontology to a foundational ontology is perceived difficult, however. Reasons include confusing underlying concepts, ...Read more
Author:Anochie-Boateng, J; O’Connell, JS; Verhaeghe, BMJ; Myburgh, PDate:Aug 2015A need existed to update the South African design methods for asphalt mixes, particularly in the light of current developments in the country such as the revision of the South African Road Design System (SARDS), and the increasing demand for, ...Read more
Author:Claassen, M; Funke, NS; Lysko, MD; Ntombela, CPDate:Nov 2014The chapter explores possible scenarios for the South African maritime sector through the application of established scenarios theory.Read morecb
Author:Ngwenya, SO; Heymann, R; Swart, TG; Lysko, Albert ADate:Oct 2023It has been said that the spread of Information and Communications Technology (ICT) and global interconnectedness has a great potential to accelerate human progress, to bridge the “digital divide” and to develop knowledge societies, in countries ...Read more
Author:Bester, Duwan CDate:Nov 2023Additive Manufacturing has widely been used in the aerospace industry. However, local uptake in the aerospace industry has been slow with mostly additively manufactured polymer parts being used. The Advanced High Performance Reconnaissance ...Read more
Author:Nzengue, ACB; Khumbulani, Mpofu, K; Mathe, Ntombizodwa R; Muvunzi, RDate:Dec 2023Selective laser melting (SLM) SLM has gained interest in processing lightweight metals like aluminium alloys. The SLM processing remains challenging in finding the appropriate process parameters for the desired mechanical properties. Previous ...Read more
Author:Zandamela, Frank; Nicolls, F; Kunene, Dumisani C; Stoltz, George GDate:Dec 2023Deep learning has gained traction due to its supremacy in terms of accuracy and ability to automatically learn features from input data. The literature proposes various approaches to detect distracted drivers. The performance of these algorithms ...Read more
Author:Tema, Thabo H; Blaauw, Ciara; Nel, Willem AJ; Abdul-Gaffar, YDate:Nov 2023This study reports the work carried out to perform radiometric calibration of an airborne FMCW SAR test bed developed by the CSIR in South Africa. Factors of the radar range equation are explored to study the multidimensional problem of ...Read more
Author:Agenbag, S; Henney, A; Pieterse, HeloiseDate:Mar 2024In the past decade, there has been an exponential adoption and ownership of smartphones by billions of users worldwide. However, as smartphone usage increases, criminals have taken advantage of them for illicit or criminal purposes. In criminal ...Read more