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 20 of 1230 for “"system performance"”.
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Evaluating MapReduce System Performance: A Simulation Approach
… is exploding in the Big Data era. The MapReduce system popularized by open-source Hadoop is a powerful tool for the exploding data problem, and is widely employed in many areas involving large scale of data. In many circumstances, hypothetical MapReduce systems must be evaluated, e.g. to …
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Preliminary Investigation into Solar Thermal Combi-system Performance
Solar thermal combi-systems use solar energy to provide thermal energy for space heating and domestic hot water. These systems come in many different designs and configurations, and their performance is dependent on many different factors such as location, solar collector type and orientation, and …
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Connected Vehicle Technology: User and System Performance Characteristics
… remain unanswered as to how various user and system characteristics of CV-enabled networks can shape the successful implementation of the technology to maximize the return on investment. This research attempts to capture the effect of multiple factors such as traffic density, market …
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Characterizing transit system performance using Smart Card data
Although automated data collection systems have been in existence long enough to be the subject of extensive research, they continue to transform both the agency and customer side of public transportation. Transit system performance is defined along three dimensions: the supply of trains or buses; …
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A hierarchical model for photovoltaic system performance analysis
… source. Four models are used to analyze complete performance of a photovoltaic(PV) system. The SOLAR model estimates the total radiation at a site. The PVPM model calculates the PV output for this total radiation. The PRODCOST and LIFECC models analyze the economic performance of the photovoltaic …
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The Advanced Traceability and Control system performance data analysis
The purpose of this thesis is to determine the actual time measurements associated with the various steps of the Advanced Traceability and Control (ATAC) process to evaluate significant policy decisions such as the Defense Management Review Decision (DMRD) 901's "ship or hold" decision. As the …
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Multiple input multiple output channel measurements and system performance
… transmission environment. Unlike conventional systems, a concept referred to as Multiple-Input Multiple-Output or MIMO not only thrives under multipath conditions but also has the potential to allow for substantial increases in capacity. MIMO systems use a combination of multiple antenna arrays …
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Methods for speculatively bootstrapping better intrusion detection system performance
… IDSs have been continuously challenged with performance bottlenecks and scalability issues. The number of threats is enormous. The performance of ID systems depends primarily on the quantity of input data and complexity of detected patterns. During noisy attacks, system load tends to increase …
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Industrial development of car disassembly - ergonomics and system performance
… production. Rationalized car disassembly systems may be an alternative to shredding processes. The general aim of this thesis is to study the connections between expected rationalizations and ergonomics based on the case of the car disassembly industry. The studies in this thesis aim to …
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Effect of conical distributors on evaporator and system performance
… in the evaporator using a conical distributor on system COP and capacity. Several conditions at the distributor inlet are varied including quality, mass flux, and orientation in gravity and the resulting superheat profiles of the evaporator circuit outlets are recorded. To examine possible effect …
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Microcomputer based optimization model for photovoltaic system performance analysis
… to analyse and design photovoltaic-based power systems. A microcomputer-based interactive photovoltaic (PV) performance analysis package has been developed. This package can be used for screening analysis of various sites, module characteristics and system configurations. Basic elements of this …
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Evaluating System Performance in a Complex and Dynamic Environment
Realistically, organizational and/or system efficiency performance is dynamic, non-linear, and a function of multiple interactions in production. However, in the efficiency literature, system performance is frequently evaluated considering linear combinations of the input/output variables, without …
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Sprinkler system performance and irrigation scheduling effects on turfgrass quality
… and operators a tool to evaluate sprinkler system design on a basis of uniformity coefficient, water application efficiency, sprinkler system construction cost, water cost, and the turfgrass quality rating.
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Influence of Testing Environment on Balance Error Scoring System Performance
Context: The Balance Error Scoring System (BESS) is a commonly utilized and recommended sideline assessment tool to evaluate post-concussion postural stability. Baseline BESS scores are typically recorded during preseason physical examinations in the athletic training room or nearby laboratory. …
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A method for system performance analysis of the SuperSPARc microprocessor
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1994.
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Dynamic, personalized discrete choice incentive allocation to optimize system performance
… independent agents to make choices that drive a system to a desired optimum. Simply offering compensation for making a certain choice is enough to change the behavior of some people. If you incentivize the right choices, you can get closer to your desired choice-dependent goal. Ways to optimize …
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Optimum FM system performance; an investigation employing digital simulation techniques.
Massachusetts Institute of Technology. Dept. of Electrical Engineering. Thesis. 1966. M.S.
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The Early Assessment of System Performance in Distributed Real-time Systems
Distributed real-time process control systems are notoriously difficult to develop. They frequently overrun time schedules and break cost constraints. The problems are compounded where there are multiple development teams and stakeholders. Conventional model-driven development has been examined to …
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Effects of Tomographic Image Reconstruction Parameters on Explosives Detection System Performance
Made available in DSpace on 2017-07-06T18:48:43Z (GMT). No. of bitstreams: 3 Humm_Paul_G_MS.pdf: 34070228 bytes, checksum: 084e7a2e24c30d8b43aa4516cb3ee7ab (MD5) Humm_Paul_G_MS_ABS.pdf: 527604 bytes, checksum: cbb92c87a7fda510847333f867d45322 (MD5) license.txt: 4813 bytes, checksum: …
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Evaluating irrigation system performance: A case study in East Java, Indonesia
… groups alike claim that most public irrigation systems in Asia operate well below their potential; yet there is a very little quantitative information on the extent to which these systems are achieving performance objectives. This study develops a methodology to evaluate both operations and …
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