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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
71

Compressive Sensing: Single Pixel SWIR Imaging of Natural Scenes

Brorsson, Andreas January 2018 (has links)
Photos captured in the shortwave infrared (SWIR) spectrum are interesting in military applications because they are independent of what time of day the pic- ture is captured because the sun, moon, stars and night glow illuminate the earth with short-wave infrared radiation constantly. A major problem with today’s SWIR cameras is that they are very expensive to produce and hence not broadly available either within the military or to civilians. Using a relatively new tech- nology called compressive sensing (CS), enables a new type of camera with only a single pixel sensor in the sensor (a SPC). This new type of camera only needs a fraction of measurements relative to the number of pixels to be reconstructed and reduces the cost of a short-wave infrared camera with a factor of 20. The camera uses a micromirror array (DMD) to select which mirrors (pixels) to be measured in the scene, thus creating an underdetermined linear equation system that can be solved using the techniques described in CS to reconstruct the im- age. Given the new technology, it is in the Swedish Defence Research Agency (FOI) interest to evaluate the potential of a single pixel camera. With a SPC ar- chitecture developed by FOI, the goal of this thesis was to develop methods for sampling, reconstructing images and evaluating their quality. This thesis shows that structured random matrices and fast transforms have to be used to enable high resolution images and speed up the process of reconstructing images signifi- cantly. The evaluation of the images could be done with standard measurements associated with camera evaluation and showed that the camera can reproduce high resolution images with relative high image quality in daylight.
72

Zavedení SPC ve výrobním procesu / Implementation of SPC into the manufacturing process

Simandl, Martin January 2019 (has links)
The diploma thesis focuses on the introduction of statistical process control in selected manufacturing company XYZ. It is divided into a theoretical and a practical part, while the theoretical part deals with theoretical knowledge of SPC methodology and quality management. The content of the practical part is the design and implementation of the measuring and evaluation station, which will be used for statistical control of the SPC process, into the emerging production of chip machining.
73

Zavedení SPC ve výrobním procesu / Implementation of SPC into the manufacturing process

Simandl, Martin January 2019 (has links)
The diploma thesis focuses on the introduction of statistical process control in selected manufacturing company XYZ. It is divided into a theoretical and a practical part, while the theoretical part deals with theoretical knowledge of SPC methodology and quality management. The content of the practical part is the design and implementation of the measuring and evaluation station, which will be used for statistical control of the SPC process, into the emerging production of chip machining.
74

Statistická regulace v řízení jakosti - kontrola způsobilosti procesu a zařízení / Statistical process control in quality management - quality control of process and utility

Vrtílek, Filip January 2007 (has links)
The analysation of the quality system in the production, in the preparatoring and producing stage. The evaluation of modern phase in the preparatoring and producing stage. Summary of methods of solution in a problem of quality. Basic statistic methods and methods of management of quality. Basic mathematics term in statistics and SPC. Valuation of numerical characteristics and test of statistical hypotheses. Process of creating of machine and process card of regulations. Pc program SPC - TEST
75

金融資產證券化之成功要素:商業抵押貸款債權與信用卡債權個案

黃順宏 Unknown Date (has links)
「金融資產證券化」為台灣金融業提供另一創新商品及籌措資金的管道,經由「金融資產證券化條例」的頒行,政府及金融業都寄以厚望。各相關的參與機構都磨拳擦掌準備爭食此一塊大餅。雖然說「有夢最美」,但重要的是「築夢踏實」。本研究希望從金融資產證券化最發達的國家─美國的發展過程中探索一些成功的經驗,供我們在發展此一新金融商品時之參考。   金融資產證券化在美國通稱為結構化融資(Structure Finance),係將現在或未來持續擁有的現金流量匯集為資產群組,並經過適當的信用加強,將此資產群組包裝,並劃分為證券發行標準單位,再於資本市場出售以籌措資金。至於金融資產證券化的目的可由下列二個角度來看:   1.由政府的觀點:金融資產證券化的目的在於提高金融資產的流動性,增加銀行籌資管道。   2.由創始機構的觀點:創始機構採行資產證券化的主要目的可歸納如下:    (1)創造資產的流動性    (2)規避利率風險    (3)信用風險的移轉。   經由文獻探討及兩個個案分析:金融資產證券化個案分析Ⅰ:第一聯合國民銀行商業抵押轉手證券,個案分析Ⅱ:花旗銀行信用卡發行信託等級2002-A4證券之研究結果,我們可以從個體和總體的層面,將其成功要素作個歸納。   1.從個體層面來看,其成功要素歸納如下:    (1)要拿好的債權資產從事金融資產證券化。    (2)採用具有齊一性的債權資產群組,作為證券化的支撐標的。    (3)資產證券化所發行的證券,債信評等要屬於投資等級。    (4)提供透明清楚的資產群組資訊,以供投資人參考。    (5)各參與機構本身的信評要良好。    (6)資產群組採地理上或產業上的多樣化。    (7)證券的發行採順位還款的方式。   2.從總體層面來看,其成功要素歸納如下:    (1)發行時機要適當,宜在創始機構對金融資產證券化有強烈需求。    (2)適切的金融資產證券化法案。    (3)獲得美國聯邦政府的扶植。    (4)證券化商品不斷創新迎合市場需求。   一般而言,金融機構的債權資產可分為三大類:(1)好的債權資產(2)不良的債權資產(即NPL)(3)問題金融機構的不良債權資產。這三大類債權資產的處理方式,根據國外(尤其是美國)的處理經驗,以及本論文對商業抵押貸款債權與信用卡債權個案之研究結果,而有以下建議:1.對於金融機構好的債權資產,可用金融資產證券化的方式以增加籌資管道。2.對於金融機構之不良債權(NPL)但還有一些市價者,建議交由資產管理公司(AMC)處理,可能對銀行在處理NPL的績效及時效上會更適宜。3.對於發生問題之銀行及基層金融機構不良債權之處理應交由「重整信託公司」(RTC)。   此外,在研究金融資產證券化的過程中,吾人亦發現一些值得一提的現象。茲概述如下:   1.信用卡應收帳款具有借款期間很短及現金流量不穩定性,需透過「循環期」之設計方式以建構信用卡債權之證券化。   2.「信用風險移轉」又可能回歸「創始機構」。   3.「拿好的債權資產從事金融資產證券化」可能影響銀行的逾放比率。   4.金融資產證券化之特殊媒介機構(SPV),採特殊目的公司(SPC)或特殊目的信託(SPT)架構,在美國證券化市場皆可運作順暢。
76

A comprehensive measure of business performance : a study of the commercial banking industry in Ethiopia

Assefa Worede Tesfay 12 1900 (has links)
The purpose of the study was to identify a comprehensive measure of performance by assessing the relationship between employee satisfaction and customer satisfaction on the profitability of the commercial banking industry in Ethiopia. The study adopted unidimensional path models, multivariate approach and factor analysis in predicting the dependent variable, determining the independent variables and the sample size and justifying the objectives of the sturdy. Primary data were obtained through structured questionnaires from valid sample responses of 180 employees and customers selected on convenient sampling method. Profitability (ROA & ROE) was measured based on the average data from the financial statements of 2007/8-2001/12 of the banks. Variant of empirical studies and theoretical frameworks, drawn from motivational, psychological and behavioural theories, were used to formulate the hypothesis and establish the relationship between internal service quality, employee satisfaction, customer service quality, customer satisfaction, customer loyalty and profitability. Results of the study indicated internal marketing influenced employee job satisfaction which in turn partially influenced customer service quality and customer satisfaction; customer service quality influenced customer satisfaction which then influenced customer loyalty. But, no relationship was observed between customer loyalty and profitability. However, due to the timing gap of the data on profitability and the data on customer satisfaction and customer loyalty, the relationship is apparently realizable in the long run. Therefore, due emphasis is required by the management of the banks to exert the necessary strategic effort on employee satisfaction, customer service quality, and customer satisfaction because of their implicit effects on profitability. Finally, the relevance of the research to the literature on performance measurement is demonstrated by contextualizing comprehensive models in the context of commercial banking industry in Ethiopia. / Business Management / D.B.L.
77

Individuální a skupinová integrace žáků s mentálním postižením v rámci plnění povinné školní docházky / Individual and group integration of mentally handicapped pupils within the framework of compulsory school attendance

ŠVEJDOVÁ, Kateřina January 2007 (has links)
Problems dealing with individual and group integration of mentally handicapped pupils in terms of fulfilment the compulsory school attendance are very often discussed. In the diploma work I have concentrated on a research of fulfilment the basic conditions of integration and problems that parents and educationalists solve during integration of mentally handicapped pupils into elementary schools. Workers from specially-pedagogical centres for mentally handicapped people, educationalists providing education for integrated pupils and these integrated pupils'parents form together the experimental complex. Following methods and techniques of collecting data were used to reach the aim - the methods of standardized interviews, the methods of inquiry-form researchs and as a complementary method two matter studies. My diploma work could by inspiration for mentally handicapped pupils'parents, common educationalists, special educationalists and authorities of state administration.
78

Hodnocení kvality připojení vodičů nízkonapěťových ovládacích obvodů / Quality evaluation of the connection of low-voltage control circuit cables

Chabiniok, Pavel January 2018 (has links)
This master’s thesis deals with evaluation of quality of the connection of low-voltage control circuit cables, with the emphasis on quality assurance of crimps. An analysis of possible quality control methods, including a map of the crimping process, was created. Further, the thesis includes proposals for improvement of the original system. Furthermore, a proposal of non-destructive inspection system was produced. The conclusion summarizes the knowledge gained in quality control of crimping, including practical recommendations.
79

Lean Six Sigma as a Source of Competitive Advantage

Cavallini, Alessandro Giorgio 14 November 2008 (has links) (PDF)
Anecdotal data affirms that companies applying Lean Six Sigma in their operations not only deliver higher quality products and services, but also obtain superior financial results. The goal of this research was to empirically verify anecdotal data. The study proposed to analyze a group of publicly traded manufacturing companies with the intent of verifying if a correlation exists between companies being lean and the attainment of superior returns on investments. The researcher performed a series of statistical tests comparing key Financial Performance Indicators (FPI) extracted from annual reports (10-K) from a large pool of companies. The outcome of this study showed that superior financial rewards result from a systematic application of lean and quality tools. At the conclusion of this thesis we verified that companies having a business model that stimulates a high level of communication between them and their markets - because they are lean - obtained substantially higher financial advantages when compared to companies that still followed a more traditional mode of production. The results also revealed that lean companies obtained on average Return on Invested Capital (ROIC) 10% higher than mass producers. Therefore, companies wanting to strategically invest their capital should consider Lean Six Sigma as a source of competitive advantage. Another strategic insight derived from this study was the recognition of signs of a smart business. Potential investors should look for the presence of lean and quality improvement programs as one sign that capital is being wisely invested to generate value. Another sign is how well historically ROIC have performed against Weighted Average Cost of Capital (WACC). The research revealed that, on average, lean companies had ROIC of 16%. Assuming that the hurdle rate (WACC) for most companies is near 10%, having ROIC of 16% is an incentive to become lean, thus allowing such companies to create value for their shareholders. Finally, we learned that many factors affect ROIC, namely, brand equity, market positioning, patents, core competency, innovation, leadership, etc. However, the presence of a Lean Six Sigma program in a manufacturing business was a strong positive factor impacting ROIC.
80

Lean Manufacturing as a Source of Competitive Advantage

Williams, Ryan Scott 22 November 2010 (has links) (PDF)
The productivity advances generated from lean manufacturing are self-evident. Plants that adopt lean are more capable of achieving high levels of quality, shorter lead times, and less waste in the system. While it seems logical that higher levels of productivity and quality, as is common in lean companies, should result in positive financial performance, the research community has failed to establish the financial profitability of lean. Those researchers who have studied the financial returns issue report varying results. The goal of this research was to determine if a connection exists between lean and financial success and to discover why so many researchers are finding mixed results. Information Velocity (IV) was theorized to provide the solidifying link between lean and financial performance. Measured by combining the environmental volatility with a company's leanness, IV measures how fast a company can transmit information from the market into a customer-satisfying product in the hands of the consumer. This study analyzed over 530 publicly-traded manufacturing companies to validate the following hypotheses: 1) there is a positive relationship between leanness and financial returns, 2) there is a negative relationship between environmental volatility and financial returns, and 3) there is a positive relationship between IV and financial returns. Regression models were run in various combinations to determine the effect of lean, environmental instability, environmental unpredictability, and IV on financial performance indicators such as return on sales (ROS), return on assets (ROA), and quarter-closing stock price. The outcome of this study showed that financial rewards do result from lean, which positively affected financial performance in almost all scenarios. Environmental instability always negatively correlated with financial returns, and IV mostly shows a positive effect, but with mixed results. Lastly, IV does not explain why researchers find mixed results on the profitability measures of lean. The results of this thesis highlight the significance of implementing lean manufacturing, especially in a dynamic environment. As the instability in the environment increases, profitability decreases. Therefore, an increase in leanness by boosting inventory turns can compensate for the volatility and create enhanced productivity measures and financial results.

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