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Browsing by Impact Area "Radar and EW Systems"

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Ground-based surveillance and classification radar for wildlife protection

Author: Berndt, Robert J ; Wabeke, Leon O ; Van Rensburg, Vanessa ; Potgieter, Pieter F ; Kloke, Kevin H Date: Nov 2023 Wildlife poaching has become an increasingly large problem over the last decade in southern Africa. There have consequently been worrying declines in rhinoceros population levels. As part of a multi-year effort to investigate and develop ... Read more
Offset reflector with a non-focal phased array feed for space applications

Author: Botha, Louis Date: Nov 2023 The 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
Performance modelling of a cost effective COTS UHF Log-periodic antenna

Author: Blaauw, Ciara ; Potgieter, Monique ; Cilliers, Jacques E Date: Apr 2020 Commercial 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
Probability of helicopter blade flash interception in search radar

Author: Berndt, Robert J ; Nel, Willem AJ ; Abdul Gaffar, MY ; O’Hagan, D Date: Dec 2021 Helicopter main rotor blade flashes in radar measurements are an oft-used feature for target classification. While focus is often placed on being able to detect them, little attention has been given to what is required to ensure that they are ... Read more
A real-time implementation of a DPCA GMTI technique for a UAV SAR demonstrator system developed by the CSIR

Author: Mosito, Katlego E ; Magaoga, Mpereke E ; Nel, Willem AJ ; Blaauw, Ciara ; Tema, Thabo H Date: Nov 2023 This paper presents a real-time Displaced Phase Center Antenna (DPCA) Ground Moving Target Indication (GMTI) processor. The GMTI processor performs clutter suppression, target detection, target tracking and target geolocation in real-time on ... Read more
Strategic considerations of Industry 4.0 on electronic warfare using technology roadmaps

Author: Reddy, Reeshen Date: Sep 2021 The Fourth Industrial Revolution or Industry 4.0 is an ongoing industrial revolution brought about by several emerging technologies expected to disrupt most business sectors. The effect of Industry 4.0 on the Electronic Warfare (EW) sector ... Read more
The use of sigmaHat for modelling of electrically large practical radar problems

Author: Potgieter, Monique ; Cilliers, Jacques E ; Blaauw, Ciara Date: Apr 2020 SigmaHat is a computational electromagnetic (CEM) tool developed to solve practical radar and electronic warfare (EW) electromagnetic (EM) scattering from electrically large and electrically very large scenes. The software is an ideal tool ... Read more

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Browsing by Impact Area "Radar and EW Systems"

Browsing by Impact Area "Radar and EW Systems"

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