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.
Results
Showing 1 to 20 of 58 for “"windowing"”.
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A compact windowing system for the Curl environment
… complex graphics system as Xwindows. The compact windowing system eliminates much of the unnecessary functionality of X windows while implementing the necessary components. The system makes use of the video hardware using svgalib for Linux. The system also make use of the Freetype TrueType font …
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DIGITAL ANALYSIS OF PULSE CODE MODULATED SIGNALS IN TELECOMMUNICATIONS CHANNELS
… and assembly of the corresponding hardware. Windowing of data to improve spectral estimation is discussed as well as the conditions where special test signals may be synthesized to preclude the need for windowing. Conjugate-periodic functions encountered in prime radix transforms are defined …
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Concurrent versus retrospective verbal protocol for comparing window usability
… 12 tasks which varied in the difficulty of the windowing required. Subjective data were also collected in the form of task difficulty ratings, as well as a global measure of user satisfaction. These performance measures and subjective measures were compared across protocol methods as well as …
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Implicit graphemic cues in Thai reading
… words themselves was manipulated by changing the windowing for a key target region in each sentence, such that normal windowing (i.e., normal segmentation) meant that all words were presented one at a time in the self-paced reading paradigm. In abnormally-segmented conditions, the self-paced …
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Data adaptive velocity/depth spectra estimation in seismic wide angle reflection analysis
… application are identified and investigated. The windowing of short duration signals is shown to be an important consideration, and the statistics of the MLM estimator for a single observation of the data set are presented. The adaptive estimator is applied to an ideal covariance matrix, to …
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Performance Aspects of Computers With Graphical User Interfaces
Graphical interfaces and windowing systems are now the norm for computer-human interaction. Also, advances in computer networking have given computer users access to immense distributed resources accessible from anywhere on the network. In this setting, the desktop, or personal computer plays the …
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Advanced Orthogonal Frequency-Division Multiplexing Systems with Cyclic Prefix-Less Multiple-Input and Multiple-Output Discrete Fourier Transform Spreading and Unmanned Aerial Vehicles-Assisted Cyclic Postfixed Windowed Schemes
… with Tukey (tapered cosine) time-domain windowing techniques. This combination of mechanisms provides an effective combination of benefits related to Bit Error Rate (BER), PAPR, Complementary Cumulative Distribution Function (CCDF) of PAPR, and OOB spectral power. The BER performances of …
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Design and implementation of graphical user interfaces for complex simulations
… powerful computers, which has enabled the use of windowing software, has also opened the way for the computer study, via simulation, of very complex physical systems. In this study, the main issues related to the implementation of interactive simulations of complex systems are identified and …
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Development of Robust Correlation Algorithms for Image Velocimetry using Advanced Filtering
… the image cross-correlation. The use of spatial windowing is subsequently examined and shown to be ideally suited for the use of phase correlation estimators, due to their invariance to the loss of correlation effects. The Robust Phase Correlation (RPC) estimator is introduced, with the coupled …
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Comparison of Paul and Morlet Wavelets for Measuring the Characteristic Scale of Peak Pressure Events on Low-Rise Structures
… Paul wavelets. To obtain consistent results data windowing might need to be applied. Using the Paul wavelet, durations of events measured in different wind tunnel simulations are obtained and discussed.
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An experimental method for structural intensity and source location
… (FFT), signal processing techniques such as windowing and filtering are needed to get reasonable results. The influence of windowing and filtering on the calculation of the structural intensity and force distribution function is studied;The rib and damping material that are attached to plates …
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Unsteady adjoint analysis for output sensitivity and mesh adaptation
… lack of convergence is identified and output windowing is proposed to alleviate its effect. Output windowing is shown to enable the accurate computation of periodic output sensitivities and to decrease simulation time to compute periodic outputs and sensitivities. Finally, a spatial mesh …
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Using affective computing to enhance the believability of virtual agents and the social interaction with users
… generalization using the proposed adaptive windowing technique.<br/><br/>Results indicated a positive overall perception of the agent’s believability when responding to eight general affective states, with further improvement observed when changes in the user’s physiological arousal were …
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Optical reflectance spectroscopy for cancer diagnosis : analysis and modeling
… diagnosis of oral cancer. Also, a novel adaptive windowing technique is developed to extract spectral features with fewer windows that retain the diagnostic information. For modeling, a Monte Carlo model simulating light-tissue interactions is presented to aid in the design of diagnostic …
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AI-Driven Pig Monitoring System: Behavior and Weight Analysis
… in time series analysis through non-class-based windowing and chronological sampling, achieving up to 15% improvement in accuracy over conventional methods. For current weight prediction, we develop an automated pipeline using the Segment Anything Model (SAM) with deep learning, where our …
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Implementation of dithering digital ripple correlation control for photovoltaic maximum power point tracking with windowed sensing
… a low-cost method of using digitally enhanced windowing to improve the effective sensing resolution of the system is presented. Finally, experimental results that show excellent tracking speed and accuracy with basic hardware requirements are given.
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Link Prediction on Distributed Systems
… Models, and explores the impact of time windowing strategies, dataset variations, and scalability. Additionally, the research investigates the feasibility of real-time predictions and the identification of recurring patterns in microservice interactions. Through extensive analysis and …
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3D intrawall imaging using backprojection for synthetic aperture radar (SAR)
… for the properties of the LPDA antenna, windowing and different methods of background subtraction were used. It was difficult to compensate for the antenna issues in preprocessing; however, windowing and background subtraction had a significant effect on the images that were produced. Two …
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A remote access CT colonography training system
… with the help of appropriate tools such as windowing, polyp measurement, zooming and a 3-D view. Each user has an account in order to allow monitoring of their training. They can also run an automatic evaluation of their work based on gold standard information previously gathered from …
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