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 5 of 5 for “"envelope analysis"”.
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Envelope Analysis of Speed-Controlled eVTOL Urban Air Mobility Vehicles
<p>There are many vehicles being developed which rely on electrically driven propellers/rotors for both control and propulsion. Based on these vehicles, it is hypothesized that there exists a size limit for speed-controlled propellers/rotors in terms of propeller/rotor diameter. To investigate …
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Technical and scale efficiency in Zambia's agro-progressing industry: a firm level data envelope analysis of the 2011/2012 manufacturing census
… Thereafter, we apply the Data Envelopment Analysis algorithm to construct measures of technical and scale efficiency for a sample of 115 firms using the 2011/2012 Economic Census data. Finally, we examine the effect of firm attributes on the firm's technical and scale efficiency using the …
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Characterization of xtcl mutant with reduced cuticular wax accumulation
… Stem wax extraction and gas chromatography analysis showed that the total xtcl stem wax is decreased 3-fold in comparison to the wild type, and that all wax components were reduced to a similar extent. Compositional analyses of leaf and seed fatty acids demonstrated that saturated fatty acid …
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Efficiencies of small-scale sugarcane growers in the King Cetshwayo District Municipality of KwaZulu-Natal
… given more attention to SFA (Stochastic Frontier Analysis) and ranked constraints faced by small-scale sugarcane growers. The thesis analyses three methodological approaches to addressing the objectives of the thesis. The first objective was to analyse the technical, cost and allocative efficiency …
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Diode Predistortion Linearization for Power Amplifier RFICs in Digital Radios
… signal. This includes the use of two-tone analysis and the more modern envelope analysis. The operation of diode predistortion linearizers is discussed in detail, along with diode optimization procedures for PA linearization with minimum impact on return loss and gain. This diode …