Author:Smit, JC; Cilliers, Jacques E; Baker, CJ; Hanekom, JJDate:May 2008Radar measurements of a radar calibration sphere test target suspended in sea surface multipath propagation conditions are reported. Wideband measurements together with high range resolution (HRR) processing were employed to resolve the direct ...Read more
Author:Moloantoa, JR; Rammutla, KE; Mosuang, TE; Erasmus, RM; Hillie, KTDate:Jul 2011Au and Pt doped TiO2 nanocrystlas were prepared using the sol gel method. Diffuse Reflectance Spectroscopy (DRS) was used to study the characteristics of these precious metals and X-ray diffraction (XRD) with calculated lattice parameters was ...Read more
Author:Sefara, Tshephisho J; Modupe, AbiodunDate:Nov 2019The impressive improvement in performance obtained using neural networks for automatic speech recognition (ASR) have motivated the application of neural networks to other speech technologies such as speaker, emotion, language, and gender ...Read more
Author:Beyers, RDate:Apr 2007The Young Engineers of South Africa Programme (YESA) also endorses the e-Education and the Science and Technology White Papers. The main focus area will be on Information Communication Technologies (ICT) in education and the way that they can ...Read more
Author:Mphahlele, NDate:Sep 2010The main aim of this presentation is to show the improvement in cell performance and the long term stability of DSCs by utilizing dye (metallophthalocyanines) that absorb light at Visible region, integrated with carbon nanotubes to increase ...Read more
Author:Thwala, Melusi; Musee, N; Wepener, VDate:Sep 2012The authors present evidence of free radical activity and resultant anti-oxidative defence in Spirodela plants after exposure to 0.01-1000 mg/L of ZnO and Ag nanoparticles (NPs) over 96-h and 14-d. The quantification of reactive nitrogen and ...Read more
Author:Thwala, Melusi; Musee, N; Wepener, VDate:Sep 2012The authors present evidence of free radical activity and resultant anti-oxidative defence in Spirodela plants after exposure to 0.01-1000 mg/L of ZnO and Ag nanoparticles (NPs) over 96-h and 14-d. The quantification of reactive nitrogen and ...Read more