Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 7 of 7 for “"H600 - Electronic & electrical engineering"”.
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Methods of avionics systems maintenance procedures
Avionics System Maintenance Procedures are discussed in this thesis in the context of a BPhil project involving formal training in research methods and includes information obtained by investigating issues pertinent to aircraft avionics systems maintenance. Personnel matters, problem specification …
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DC thyristor circuit breakers: An investigation of current interruption ability
The aims of the project were to investigate DC Thyristor Circuit Breaker (TCB) current interruption and appraise the current interruption performance in simulated systems. A generalized analysis was developed which enabled succinct assessment of the current interruption performance of different …
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Frame synchronisation methods for digital satellite system
The research described in this thesis was carried out in four specific areas, namely, Satellite-Switched Time-Division Multiple-Access (SSTDMA) network synchronisation, frame synchronisers, remote sensing satellite data decommutating systems, and prototype frame synchroniser implementation. In the …
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Adaptive digital multiprocessor systems for image processing applications
The aim of the project was to develop the digital processing capabilities of adaptive multiprocessor systems in image processing applications. Adaptive architectural configurations are the main area of investigation. Chapter 1 briefly reviews image processing and outlines various associated image …
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Pitch determination of speech signals in the presence of noise
The research described in this thesis has been carried out in three specific areas, namely the implementation and modification of pitch determination algorithms for speech signals, an investigation of the performance of the algorithms under different conditions of acoustic noise, and the real-time …
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Heterojunction A1GaAs-GaAs solar cells for space applications
Two types of solar cell AlGaAs-GaAs structures which are heteroface and triple heterojunction are investigated in this study. A complete theoretical study including optimisation for the optical properties ( transmission and reflection) of the heteroface Alo.sGao.2As- GaAs space solar cell is …
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An investigation of the microwave upset of avionic circuitry
… presented of circuit technology developments, electronic component interference and damage mechanisms, and evidence of upset of electronic equipment is given. Investigations show that there is more 1-18 GHz upset of electronic equipment than originally thought and data suggest that thermal …