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 37 for “"Spectrum-based"”.
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Spectrum-Based Fault Localization for Multiple Faults
… for the task of fault localization, with Spectrum-Based Fault Localization (SBFL) being the most widely used of these techniques for its lightweight and scalable design. However, while SBFL has been shown to perform well for programs containing only a single fault, its accuracy decays for …
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Development of Lineal Energy Spectrum-Based Biological Effects Models for Protons
… lineal energy spectra to yield the lineal energy spectrum of a polyenergetic beam is described and validated. The summation approach for calculation of lineal energy spectra, along with the libraries generated by SuperTrack have been incorporated into a treatment planning system, RayStation …
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A Bayesian network framework for fusing spectrum-based fault localization and forward slicing
… UNTIL 12/01/2026] Fault localization techniques based on spectrum analysis (SBFL), such as Ochiai, Tarantula, D*, and Barinel, have achieved state-of-the-art performance in many benchmarks, yet their effectiveness can degrade in complex, multi-fault programs where coverage information alone is …
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Studying the impact of early test termination due to assertion failure on code coverage and spectrum-based fault localization
… that rely on code coverage information (e.g., spectrum-based fault localization). We refer to such a scenario as early test termination. Understanding the impact of early test termination on test coverage is important for software testing and debugging, particularly for the techniques that rely …
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Visible spectrometer utilizing organic thin film absorption
… a spectrometer for the visible wavelength spectrum, based on absorption characteristics of organic thin films. The device uses fundamental principles of linear algebra to reconstruct spectral components of a signal from the transmission through an organic thin film. Best possible …
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On understanding the lives of dead stars : Supernova Remnant N103B, radio pulsar B1951+32, and the Rabbit
… substructure on arcsecond spatial scales. The spectrum, based on 116ks of data, reveals unambiguous Mg, Ne, and O emission lines. Due to the elemental abundances, we are able to tentatively reject suggestions that N103B arose from a Type Ia supernova, in favor of the massive progenitor, …
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PREDICTIONS OF SIGNIFICANT WAVE HEIGHT IN LAKE OKEECHOBEE, FLORIDA USING APPROACHES RELATED TO SIMPLIFIED STOCHASTIC PROCEDURE AND WAVE ENERGY SPECTRUM
… simplified stochastic procedure and wave energy spectrum method is presented. The stochastic procedure related models are Regression Model 1 (RM1), Regression Model 2 (RM2) and Perceptron Least Square Method (PLSM). A new wave spectrum based model, Modified Pierson-Moskowitz (MPM) Spectrum is …
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Cyclostationary Methods for Communication and Signal Detection Under Interference
… cyclostationary nature of signals to whiten the spectrum in blind signal detection. Data symbols are repeated in both time and frequency across orthogonal frequency division multiplexing (OFDM) symbols, creating a cyclostationary nature in the signal. A Frequency Shift (FRESH) filter can then be …
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Practical Aspects of Assessing Nonlinear Ultrasonic Response of Cyclically Load 7075-T6 Aluminum
… spectral analysis techniques such as the power spectrum, bispectrum, and bicoherence spectrum are applied. The ultrasonic nonlinearity parameters by Cantrell and Jhang are introduced and presented as a function of the material fatigue growth, the number of fatigue cycles. This thesis presents …
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Intelligible models for learning categorical data via generalized fourier spectrum
… generate and efficiently select new features based on the raw data, and then train a linear model in the new feature space. The proposed methods are inspired by the Boolean function analysis literature, which studies the Fourier spectrum of Boolean functions and in turn provides spectrum-based …
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Signatures of natural selection and local adaptation in Populus trichocarpa and Populus deltoides along latitudinal clines
… and P. deltoides. Using both frequency spectrum based tests and tests of heterogeneity, I identified genetic variants deviating from selective neutrality. Results reveal that photoreceptors and dormancy regulator genes may have been the targets of natural selection. Nearly the same …
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Tackling Test Flakiness: Understanding the Problem and Providing Practical Mitigations
… predicted a decade of disruptive software-based innovations affecting various industries. Today, over ten years later, many of his predictions have come true: six of the seven most valuable companies worldwide are computer technology firms, and more than half of the world's population has …
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Implementation and simulation of mobile sensor networks for nuclear radiation detection
… multiple radiation detectors move around a city. Based on the simulated data, the performance characteristics of mobile sensor networks for radiation detection are studied and quantified. Next, focusing on geospatial modeling of radiation count data, Poisson kriging is proposed to estimate the …
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Identification of Molecules by Spectral Imaging
… behaves in the target and recognizes materials based on their spectral signatures. Spectral signatures can be compared to fingerprints which can be used to identify a person; spectral signatures can be used to identify materials. Therefore, we hypothesize that identifying the exact location and …
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Accelerated Quantitative Magnetization Transfer (qMT) Imaging
… in a signal response curve known as the z-spectrum. The two-pool tissue model, which describes properties of nuclei with free and restricted motion, can be fit to the z-spectrum to provide details of macromolecular tissue content (including myelin) beyond what can be seen from conventional …
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Intrinsic Fabry-Perot Interferometric Fiber Sensor Based on Ultra-Short Bragg Gratings for Quasi-Distributed Strain and Temperature Measurements
… and temperature measurements. The sensor is based on two ultra-short and broadband reflection fiber Bragg gratings. One distinct feature of this sensor is its ultra low optical insertion loss, which allows a significant increase in the sensor multiplexing capability. Using a simple integrated …
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An investigation into crime tourism, screen tourism and dark fandoms
… the digital sphere into its physical, place-based expressions whilst providing the first behavioural account of this phenomenon. The research introduces the concept of the “dark fandom gaze” which highlights the contrasting modes of interpretation and interaction within immersive true crime …
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Complex Proteoform Identification Using Top-Down Mass Spectrometry
… spectrometry. First, we present two approximate spectrum-based protein sequence filtering algorithms that quickly find a small number of candidate proteins from a large proteome database for a query mass spectrum. Second, we describe mass graph-based alignment algorithms that efficiently identify …
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Texture and bubble size measurements for modelling concentrate grade in flotation froth systems
… Results show that the Fourier ring and texture spectrum based features, perform well whilst having a relatively small computational cost for classifying new images. Video footage from selected industrial operations has been used for the development of improved algorithms for the measurement of …
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