Author:Sefara, Tshephisho J; Mokgonyane, TBDate:Nov 2020Speaker recognition is a method which recognise a speaker from characteristics of a voice. Speaker recognition technologies have been widely used in many domains. Most speaker recognition systems have been trained on normal clean recordings, ...Read more
Author:Charles, L; Isong, B; Lugayizi, F; Abu-Mahfouz, Adnan MIDate:Oct 2021Long Range Wide Area Networking (LoRaWAN) has established itself as one of the leading Media Access Control (MAC) layer protocols in the realm of Low Power Wide Area Networks (LPWAN). Although the technology itself is quite mature, the resource ...Read more
Author:Twala, BDate:2009Increasing the awareness of how incomplete data affects learning and classification accuracy has led to increasing numbers of missing data techniques. This paper investigates the robustness and accuracy of seven popular techniques for tolerating ...Read more
Author:Raborife, M; Zaerbain, S; Ewert, SDate:May 2012This paper discusses the empirical assessments employed on two versions of a Sesotho tone labeling algorithm. This algorithm uses linguistically-defined Sesotho tonal rules to predict the tone labels on the syllables of Sesotho words. The two ...Read more
Author:Gregor, Luke; Kok, S; Monteiro, Pedro MSDate:Dec 2017The Southern Ocean accounts for 40 % of oceanic CO2 uptake, but the estimates are bound by large uncertainties due to a paucity in observations. Gap-filling empirical methods have been used to good effect to approximate pCO2 from satellite ...Read more
Author:Grobler, AJ; Holm, Stanley R; Van Schoor, GDate:2017An accurate thermal model will commonly require empirical parameter identification, specifically for the convection coefficients and interface resistances. A high-speed permanent magnet synchronous machine test platform, equipped with various ...Read more
Author:O'Quigley, DGF; Luyckx, S; James, MNDate:1997This paper reports the results of a comprehensive investigation into the abrasion resistance of WC-Co alloys, as measured by the ASTM Standard B 611-85 test. The alloys ranged from 3 to 50 wt% and from 0.6 to 5 mu-m average grain size. Careful ...Read more
Author:Pandarum, R; Harlock, SC; Hunter, LawranceDate:2017This empirical study examines the body shapes and apparel fit incongruities experienced by a convenience sample of South African women (n=155), aged 20 to 65 years. Also examined was the extent to which apparel manufactured using the ...Read more
Author:Roux, A; Giesler, Achmed; De Villiers, DanielDate:Nov 2008This paper presents the results of an empirical survey into the comparative characteristics of commercial NiCd, Lithium-ion and Lithium Polymer batteries when applied in a range of man portable military radios. The focus is on when the expected ...Read more
Author:Van Deventer, Martha J; Pienaar, HDate:Aug 2012Virtual research environments (VREs) are no longer an issue of serious debate in the developed world - they provide the infrastructure for researchers to easily collaborate across a variety of borders and a variety of disciplines. Transparent, ...Read more
Author:Marivate, Vukosi N; Moorosi, NyallengDate:Aug 2017Data from online job boards and online professional networks present an opportunity to understand job markets as well as how professionals transition from one job/career to another. We propose a data driven approach to begin to understand a ...Read more
Author:Van Zyl, P; Fogwill, TDate:Nov 2008Open source software (OSS) is software for which the source code is made available and can be freely modified and redistributed. OSS has been identified in the South African national R&D strategy as a vehicle for fostering local innovation ...Read more
Author:Fogwill, T; Van Zyl, PDate:May 2009Open source software (OSS) is software for which the source code is made available under a software license that allows it to be used, modified and redistributed without restriction. As such, OSS is freely available for use and inspection and ...Read more
Author:Louw, MRDate:Sep 2006Empowerment impact assessment (EmpIA) is a quantitative and qualitative process, developed to evaluate the empowerment opportunities in civil engineering projects. It informs the design and construction processes of the projects and records ...Read more
Author:Mhlanga, M; Mokonyama, Mathetha TDate:Jul 2018Based primarily on a focus group made up of representative voices of women in the transport sector value chain, the paper records progress and challenges in the sector to maximise the participation of women in the value chain, particularly ...Read more
Author:Naidoo, Kersch; Rolfes, H; Easton, K; Moolman, S; Chetty, A; Richter, W; Nilen, RDate:2008A modified oil-in-water (O/W) emulsion process was developed to produce novel micro-porous hemi-spherical polycaprolactone (PCL) micro-particles called "hemi-shells". By addition of a porogen such as sodium bicarbonate (NaHCO3) into the ...Read more
Author:Joubert, D; Biermann, EDate:Aug 2010The fare media that is used to collect the fares within the South African public transport industry is mostly closed and proprietary systems, which are based upon proprietary interfaces. These fare media are of a contactless type as contact ...Read more
Author:Miller, T; Oyewobi, SS; Abu-Mahfouz, Adnan MI; Hancke, GPDate:Oct 2020The large-scale deployment of sensor nodes in difficult-to-reach locations makes powering of sensor nodes via batteries impractical. Besides, battery-powered WSNs require the periodic replacement of batteries. Wireless, battery-less sensor ...Read more
Author:Prnjat, O; Becker, B; Barbera, R; Kanellopoulos, C; Koumantaros, K; Mayo-Garcia, R; Ruggier, FDate:May 2015CHAIN-REDS, an EU co-funded project, focuses on promoting and supporting technological and scientific collaboration across different e-Infrastructures established and operated in various continents. The project implemented a Regional Operations ...Read more
Author:Tsekoa, Tsepo LDate:Oct 2017This presentation discusses the CSIR biopharmaceutical platforms in response to national health priorities and strategic context. Several CSIR-engineered biopharmaceutical case studies are highlighted.Read more