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Theses and Dissertations (Electrical, Electronic and Computer Engineering): Recent submissions
Now showing items 221-240 of 442
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(University of Pretoria, 2013)The electromagnetic wave absorption characteristics of composite cement-based building material have attracted much interest in recent times. Researchers have mainly focused on the 2 GHz to 12 GHz frequency range. Mobile ...
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(University of Pretoria, 2013)In many instances the properties of a network are obstructed by an intervening network, which is required when performing measurements of the network. These intervening networks are often in the form of a mode transformer ...
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(University of Pretoria, 2013)Maintaining and operating manual main distribution frames is labour-intensive. As a result, Automated Main Distribution Frames (AMDFs) have been developed to alleviate the task of maintaining subscriber loops. Commercial ...
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(University of Pretoria, 2013)In this dissertation the aim was to investigate the usage of algorithms found in computer science and apply suitable algorithms to the problem of decoding multiple-input multipleoutput (MIMO) space-time-frequency block ...
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(University of Pretoria, 2013)It is well known that quad-ridged horn antennas in general have impedance and radiation characteristics that are significantly worse than that of their double-ridged counterparts. Normally a voltage standing wave ratio ...
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(University of Pretoria, 2013)Recent advances in technology have increased awareness of the necessity for automated systems in people’s everyday lives. Artificial systems are more frequently being introduced into environments previously thought to ...
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(University of Pretoria, 2013)In a wireless communication system the transmitted information is subjected to a number of impairments, among which inter-symbol interference (ISI), thermal noise and fading are the most prevalent. Owing to the dispersive ...
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(University of Pretoria, 2013)
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(University of Pretoria, 2013)The ever-increasing demand for higher speed in wireless consumer applications has increased the interest in the unlicensed spectrum of 7 GHz around 60 GHz. The high atmospheric oxygen absorption at 60 GHz and small size ...
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(University of Pretoria, 2013)The Internet supports a diverse number of applications, which have different requirements for a number of services. Next generation networks provide high speed connectivity between hosts, which leaves the service provider ...
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(University of Pretoria, 2012-02-29)To advance the understanding of electric hearing, from both a theoretical and practical perspective, the present study employs an engineering approach to examine whether a fundamental stochastic link exists between neural ...
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(University of Pretoria, 2011)Read abstract in the document
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(University of Pretoria, 2010-10-08)Music perception in cochlear implant (CI) listeners has been found to be generally unsatisfactory. An improved understanding of music perception in CIs is thus required, where research into the perception of timbre, an ...
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(University of Pretoria, 2008-09-09)A Wireless Sensor Network (WSN) is a collection of tiny devices called sensor nodes which are deployed in an area to be monitored. Each node has one or more sensors with which they can measure the characteristics of their ...
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(University of Pretoria, 2012-08-14)Reflector antennas used for radio astronomy require feeds that use the reflector surface as efficiently as possible while maintaining low noise levels. The specifications of new radio astronomy telescopes under development ...
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(University of Pretoria, 2012-08-14)No abstract
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(University of Pretoria, 2012-08-14)Speech processing in the human cochlea introduces travelling waves on the basilar membrane. These travelling waves have largely been ignored in most processing strategies. This study implements a hydrodynamical model in ...
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(University of Pretoria, 2011)The timbre perception of cochlear implantees (CI) is poor compared to normal hearing (NH) listeners. The cues that are normally transmitted to NH listeners may be less salient or even absent for CI users. From the ...
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(University of Pretoria, 2012)The aim and objective of this research is to formulate and solve a multi-objective optimization problem for the optimal placement of multiple rows and multiple columns of fixed flat-plate solar collectors in a field. ...
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(2012)The degree of hearing restoration provided by the cochlear implant is prone to inter-subject variance. The objective of this study is to account for some of the factors influencing this through a subject-specific model ...
Now showing items 221-240 of 442