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 17 of 17 for “"system response time"”.
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The effects of system response time and cognitive loading on accessing an automated telephone emergency service: examining elderly and young users
… and effective interface between the user and the system. Because the system is expected to attract elderly users and families with young children, the performance and attitudes of these two age groups in regard to a system prototype were examined to determine if the interface was suitable. A two …
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Toward Real-time Earth Observation with Satellite Constellation Crosslinks and Propulsion
… for propulsive maneuvers, target observation times, and optimal data routing paths. The third contribution is the development of high performance constellation designs with respect to constellation cost and the following metrics: age of information, system response time, and total pass time. …
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Development of assessment tool for dyslexia screening using fuzzy logic
… and the decision to determine dyslexia risk is time-consuming. Hence, this research's main objective is to develop an assessment tool by implementing fuzzy logic for rapid dyslexia risk outcomes using D-Test as the primary screening framework. The Mamdani-type Fuzzy Inference System (FIS) was …
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Analysis of the C2 system effectiveness using continous processing time
<p>A typical command-control (C[superscript]2) system was modeled and analyzed for peace-time and war-time as Conflict-free Stochastic Timed Placed Petri Net. The decomposition of the model provides an easier method to formulate and to simulate system states. The procedures to evaluate time-related …
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Magneto-Rheological Fluid Device as Artificial Feel Force System on Aircraft Control Stick
<p>The conventional feel system in any aircraft occupies large space in the cockpit and has complicated designs. The primary objective of this research is to develop an artificial feel force system that can overcome some drawbacks of the current feel force system. A novel feel system using …
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Video annotation wiki for South African sign language
… aims at developing a fully automated translation system between English and South African Sign Language (SASL). Three important aspects of this system require SASL documentation and knowledge. These are: recognition of SASL from a video sequence, linguistic translation between SASL and English and …
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ENHANCEMENT OF PHASE CHANGE MATERIAL (PCM) THERMAL ENERGY STORAGE IN TRIPLEX-TUBE SYSTEMS
… major challenge associated with renewable-energy systems especially solar, is the supply intermittency. One effective solution is to incorporate thermal energy storage components utilizing phase change materials (PCMs). These materials have the potential to store large amounts of energy in …
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The effects of speech rate, message repetition, and information placement on synthesized speech intelligibility
… the various speech parameters which influence system performance. This study examined the effects of speech rate, message repetition, and the placement of information in a message. Briefly, subjects heard messages generated by a speech synthesizer and were asked to transcribe what they had …
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The effects of 16 variables on a telephone information system which uses synthetic speech
Information systems that employ synthetic speech are emerging daily in the consumer market. However, many of these systems are being developed without first investigating the numerous factors that affect the design and usability of these systems. This study investigated the effects of 16 variables …
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Fully Distributed Multi-parameter Sensors Based on Acoustic Fiber Bragg Gratings
… and strain) and costly interrogation systems have prevented their widespread applications. A novel concept of acoustic fiber Bragg grating (AFBG) is conceived with inspiration from optical fiber Bragg grating (FBG). This AFBG structure exploits periodic spatial perturbations on an …
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Effects of Interface Format, Feedback Style, and System Lag on the Usability of Hand-Held Internet Controllers
… of the approaches for creating a WWW browsing system that is both simple to use and inexpensive is the utilization of the existing cable system to provide Web access through television. Some unique characteristics of this browsing system are fast access to the Web, the use of nine buttons on a …
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A Study of Disk Performance Optimization.
<p>Response time is one of the most important performance measures associated with a typical multi-user system. Response time, in turn, is bounded by the performance of the input/output (I/O) subsystem. Other than the end user and some external peripherals, the slowest component of the I/O …
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PARTICLE-WATER INTERACTIONS OF HYDROPHOBIC ORGANIC MICROPOLLUTANTS IN MARINE SYSTEMS
… uptake of 2,2’5,5'-TCB and BaP by particles is time dependent with a system response time (the time required to achieve 63% of the new equilibrium) of about 0.37 hours for 2,2',5,5’-TCB and 0.02 hours for BaP. The adsorption, expressed as particle-water partition coefficients, KDS, is to a …
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Using question-specific vocabularies to support speech data collection with SALAAM
… use of small-vocabulary spoken dialogue systems in low-resource settings for information dissemination and data collection. This provides an opportunity to reduce the information gap in low-resource settings in which low-literacy is a huge hindrance to the adoption of Information …
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Validated interactive daylighting analysis for architectural design
… discomfort predictions must be available in real time during design. This thesis describes three innovations towards this goal: development of a parallel ray-tracing engine, validation against high dynamic range (HDR) photography and annual simulations, and human subject tests with interactive …
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COMPLEXATION AND PARTICLE-WATER INTERACTIONS OF NICKEL IN ESTUARIES
… the progression of sorptive reactions, with a system response time (i.e. the time required to achieve 63% of the sorptive equilibrium) between 1.6 and 8.9 hours. The results from this study suggest that the low particle reactivity generally exhibited by Ni during estuarine mixing is due to its …
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Technical and economic assessment of renewable hydrogen production and utilization for the transportation sector
… which is expected to reach 9 by 2030), quick system response time (milliseconds), compact design, and flexible scalability to meet varying production demands. Alternatively, biomass gasification technology is also suitable for current hydrogen production requirements due to its maturity (TRL = …