Author:Botha, LouisDate:Nov 2023The design of an offset reflector fed with a phased array that is not in the focal plane is described. By using the phased array, it is possible to scan the pattern of the reflector antenna. The effect of the position of the feed is shown in ...Read more
Author:Blaauw, Ciara; Potgieter, Monique; Cilliers, Jacques EDate:Apr 2020Commercial off the shelf antennas make it possible to perform rapid initial system tests and proof of concepts experiments. This paper reports on the antenna performance of a cost effective commercial off the shelf printed Log-periodic antenna ...Read more
Author:Manamela, Selolo S; Cilliers, Jacques E; Gaffar, YADate:Dec 2023In this paper, the problem of modelling radio wave propagation through vegetation using parabolic equation methods is investigated by modifying the parabolic equation toolbox (PETOOL) to incorporate a mechanism to model vegetation. The ...Read more