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Theses and Dissertations (Electrical, Electronic and Computer Engineering): Recent submissions
Now showing items 121-140 of 442
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(University of Pretoria, 2017)Endpoint devices are integral in the realisation of any industrial cyber-physical system (ICPS) application. As part of the work of promoting safer and more secure industrial Internet of Things (IIoT) networks and devices, ...
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(University of Pretoria, 2018)The noise figure (NF) of a low noise amplifier (LNA), which is the first active element in a receiver chain, determines the sensitivity of the receiver and its output signal-to-noise ratio (SNR). For most applications in ...
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(University of Pretoria, 2017)The electricity generation composition in the South African national grid has changed in recent years from mostly thermal generation to a combination of thermal generation plants and a variety of plants owned and operated ...
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(University of Pretoria, 2017)The standardisation of the 60 - 80 GHz band by the IEEE802.15.3 task group 3C offers prospects for high speed gigabit wireless applications. This mm-wave band can be used to achieve high data rate transmission in high ...
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(University of Pretoria, 2018)Dual-circularly polarized antennas usually consist of a radiating structure and a feed network capable of generating the �90� modes required for dual circular polarization. The problem is that these feed networks often ...
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(University of Pretoria, 2017)Reducing global energy consumption is a common challenge faced by the human race due to the energy shortage and growing energy demands. The building sector bears a large responsibility for the total energy consumption ...
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(University of Pretoria, 2017)In the mining industry, methods to reduce the fuel consumed in the haulage operations are largely sought as a result of the growing energy demand, fuel cost increases and adverse environmental impacts due to the emission ...
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(University of Pretoria, 2018-02)Wireless Sensor Networks (WSNs) are the commonly applied information technologies of modern networking and computing platforms for application-specific systems. Today’s network computing applications are faced with high ...
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Intelligent home automation security system based on novel logical sensing and behaviour prediction (University of Pretoria, 2017)The thesis, Intelligent Home Automation Security System Based on Novel Logical Sensing and Behavior Prediction, was designed to enhance authentication, authorization and security in smart home devices and services. The ...
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(University of Pretoria, 2018)Circular polarization is valuable for many electromagnetic radiation applications such as wireless and satellite communication, radars, RFID, global positioning systems, etc. Many efforts have been made to manipulate and ...
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(University of Pretoria, 2017)In pursuit of creating a fully automated navigation system that is capable of operating in dynamic environments, a large amount of research is being devoted to systems that use visual odometry assisted methods to estimate ...
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(University of Pretoria, 2018)Large area monitoring plays an important role in the Maritime Domain Awareness initiative. To effectively monitor long coastlines and further out at sea, a multitude of monitoring techniques are necessary. One of these ...
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(University of Pretoria, 2017)This thesis develops methods for reducing energy Measurement and Verification (M&V) costs through the use of Bayesian statistics. M&V quantifies the savings of energy efficiency and demand side projects by comparing the ...
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(University of Pretoria, 2017)Wireless communication systems are based on frequency synthesizers that generate carrier signals, which are used to transmit information. Frequency synthesizers use voltage controlled oscillators (VCO) to produce the ...
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(University of Pretoria, 2017)In recent years, the world has seen a significant growth in energy requirements. To meet this requirement and also driven by environmental issues with conventional power plants, engineers and consumers have started a ...
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(University of Pretoria, 2017)The building energy efficiency has received massive attention from the government, industry and academia, due to the mismatch between the shortage of energy resources and the growing energy demands. The building is a complex ...
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(University of Pretoria, 2017)A novel method is proposed to estimate committed information rate (CIR) variations in typical orthogonal frequency division multiplexing (OFDM) wireless local area networks (WLANs) that are applied in support of industrial ...
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(University of Pretoria, 2017)The primary objective of this investigation was the development of a design procedure for a compact wearable antenna operating at 433 MHz that can be used for finding lost miners in underground mines in emergency situations. ...
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(University of Pretoria, 2017)The design of a monopulse microstrip wire grid antenna array is presented with simultaneously low side lobe levels in the sum pattern as well as both azimuth difference and elevation difference patterns. Monopulse antennas ...
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(University of Pretoria, 2017)The viability of low cost, distributed, and autonomous wireless sensor networks is determined by the affordability of the integration and operation of each sensor node. Self-sufficient nodes which harvest energy from the ...
Now showing items 121-140 of 442