Propagation modelling for the South African SKA site
MetadataShow full item record
© 2015 IEEE. The South African Square Kilometre Array (SKA-SA) precursor instrument (MeerKAT) is being realized in the semi-desert Karoo region of the Northern Cape. Thus far, much has been achieved in terms of electromagnetic compatibility (EMC) interventions. However, recent surveys have shown that signal propagation ought to be examined in greater detail, ultimately leading to a site evaluation of the SKA-SA facility. Propagation modelling is the first step in this process. Hence, the Egli model, ITU-R P.1546 and the Longley-Rice Irregular Terrain Model (ITM) are evaluated as propagation tools for use in the Karoo. The results show that optimizations are required to better predict path loss in the Karoo environment.
Showing items related by title, author, creator and subject.
Modelling and communicating the effects of spatial data uncertainty on spatially based decision-makingMarinelli, Marco Antonio (2011)Important economic and environmental decisions are routinely based on spatial/ temporal models. This thesis studies the uncertainty in the predictions of three such models caused by uncertainty propagation. This is ...
Goh, Kwang Leng (2013)Web spamming has tremendously subverted the ranking mechanism of information retrieval in Web search engines. It manipulates data source maliciously either by contents or links with the intention of contributing negative ...
Koessler, M.; Duncan, Alec; Gavrilov, Alexander (2017)Â© 2017, Australian Acoustical Society. Large portions of the Australian continental shelf have a seabed composed of layered cemented or semi-cemented calcarenite. This work investigates the ability of a wavenumber ...