Author:Linzer, LMDate:Apr 2005The primary objective of this study was to develop a robust MTI method to estimate the moment tensors of clusters of seismic events recorded in the underground environment. To achieve this, three 'hybrid' MTI methods were developed by the ...Read more
Author:Purdon, Kyla; Setati, Tiro; Marais, Stephen TDate:Nov 2021At the CSIR, a Learning Factory has been established to teach about the fundamentals of robotics and other Industry 4.0 disciplines. The Learning Factory makes use of the Annin Robotics AR3 robot arm: a low-cost robot designed for small ...Read more
Author:Raal, PA; Burns, MERDate:May 1996In 1989, the opportunity was identified to create a botanical map series which could be used by authorities to make informed decisions and which would highlight the potential impact significance of proposed coastal developments on affected ...Read more
Author:Pancham, A; Tlale, N; Bright, GDate:Oct 2012In order for mobile robots to operate in dynamic or real world environments they must be able to localise themselves while building a map of the environment, and detect and track moving objects. This work involves the research and implementation ...Read more
Author:Cho, Moses A; Skidmore, AK; Sobhan, IDate:Jun 2009The objective of this study was to assess the utility of hyperspectral data in estimating and mapping forest structural parameters including mean diameter-at-breast-height (DBH), mean tree height and tree density of a closed canopy beech ...Read more
Author:Main, Russell S; Cho, Moses A; Mathieu, Renaud SA; Asner, GDate:Oct 2012Large scattered trees play an important role in the functioning of savanna landscapes. They act as focal points for various organism activities, which influence the distribution of nutrients and water within the landscape, which in turn ...Read more
Author:Malahlela, O; Cho, Moses A; Mutanga, ODate:2014Invasive species usually colonize canopy gaps in tropical and sub-tropical forests, which results in loss of native species. Therefore, an understanding of the location and distribution of canopy gaps will assist in predicting the occurrence ...Read more
Author:Lück-Vogel, Melanie; Mbolambi, C; Adams, J; Rautenbach, KDate:Apr 2015The iSimangaliso Wetland Park in which the St Lucia estuary is embedded hosts the largest estuarine system in Africa (155 000 Ha). Remote sensing mapping of the composition of the otherwise largely inaccessible estuarine vegetation provides ...Read more
Author:Schmitz, P; Gonçalves, Duarte PD; Jacob, Merin RDate:2017Wildlife crime, especially rhinoceros poaching is very predominant in South Africa. Various approaches ranging from very sophisticated near-military interventions to engaging with communities are currently employed to reduce the levels of ...Read more
Author:Schmitz, P; Stylianides, TDate:Dec 2002South Africa is subdivided into provinces and each province is further subdivided into magisterial districts, the area of jurisdiction of a district court. South African Courts have a three-tier structure namely: district, regional and high ...Read more
Author:Schmitz, P; Stylianides, TDate:Dec 2002South Africa is subdivided into provinces and each province is further subdivided into magisterial districts, the area of jurisdiction of a district court. South African Courts have a three-tier structure namely: district, regional and high ...Read morecb
Author:Schmitz, P; Cooper, Antony KDate:Dec 2000This paper describes a method that uses a desktop geographical information system (GIS) to plot cellular telephone conversations made when crimes are committed, such as hijackings, hostage taking, kidnapping, rape and murder. The maps produced ...Read more
Author:Schmitz, P; Cooper, Antony K; De Jong, T; Rossmo, DKDate:Jul 2015This article discusses how the use of cellular networks by a criminal offender produces spatio-temporal data that reveals his/her activities and activity space. The methods aim to establish possible paths that the criminal will use to move ...Read more
Author:Napier, Mark; Crankshaw, Beth PDate:Oct 2018Relevant, empirical research creates the foundation for better informed decisions. Poor research that employs inappropriate methods or is without a broader theoretical foundation can lead to poor decision making and the misallocation of ...Read more
Author:Gregory, MA; McClurg, TP; Brouckaert, CJDate:Jan 2003Marine pollution monitoring surveys often include the measurement of heavy metals and other trace elements in sediments from multiple stations around marine outfalls. EDX may offer a supplementary, relatively cheap and rapid screening method ...Read more
Author:Rouault, Marjolaine J; Mouche, A; Collard, F; Johannessen, JA; Chapron, BDate:Oct 2010Over 2 years of surface current information collected in the Agulhas Current region and derived from the Doppler centroid anomalies of Envisat’s advanced synthetic aperture radar (ASAR) are examined. The sources of errors and potential use ...Read more
Author:Van de Merwe, J; Mouton, FrancoisDate:Nov 2017Social engineering attacks present a material threat to the security of information systems. To date security professionals only manage the potential effects of a social engineering attack. Security professionals consider such attacks as ...Read more
Author:Khuluse, SDate:Nov 2013An objective in mapping air quality attributes such as concentrations of airborne particles (particulate matter – PM) is to determine those areas which can be considered as hotspots and determine factors that contribute to their formation. ...Read more