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 23 for “"DRO"”.
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Resurgence of lever pressing during a DRO challenge
… of differential reinforcement of other behavior (DRO) on potential resurgence of a previously reinforced response. During Phase 1, rats’ left lever pressing was reinforced on a fixed-ratio (FR) 20 schedule while extinction was in place for right lever presses. Then, extinction was in effect for …
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A Comparison of Two Function-Based Interventions: NCR vs. DRO in a Preschool Classroom
… differential reinforcement of other behavior (DRO) after behavioral functions have been identified through indirect, descriptive, and experimental assessment. Participants included three preschool-age children in center-based classrooms (Head Start) in a southeastern school district. Functional …
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The Effects of DRO and DRA for Increasing Academic Engagement and Decreasing Disruptive Behavior of Elementary Students in General Education Classrooms
… of differential reinforcement of other behavior (DRO) and differential reinforcement on alternative behavior (DRA) for decreasing problem behavior and increasing academically engaged behavior with elementary-age students of typical development in a general education setting. Participants included …
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Residual Diesel Range Organics and Selected Frothers in Process Waters from Fine Coal Flotation
… flotation of fine coal. Diesel range organics (DRO) and polyaromatic hydrocarbons (PAHs) are measured in aqueous samples using gas chromatography equipped with either a flame ionization detector (GC-FID) or a mass spectrometer (GC-MS). Samples are subjected to a variety of test conditions in …
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Design and Analysis of a 80 GHz Hybrid CMOS Dielectric Resonator Oscillator
… Current dielectric resonator oscillators (DRO) have proven to be phase stable, but are limited in frequency (< 40Ghz) due to their implementation with discrete components. However, in increasing the operational frequency up to the GHz range, it is possible to reduce size of the DR and place …
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Algorithms for Distributionally Risk-Receptive and Robust Stochastic Integer Programs and Interdiction Problems
… (DRR) and distributionally robust optimization (DRO) frameworks, allowing for an adjustment of decision-maker's risk attitudes in adversarial settings. A key contribution is the study of an optimistic perspective, modeled by the DRR framework, which complements a pessimistic perspective of the …
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Ferroelectric Thin Films for High Density Non-volatile Memories
… based on reading technique: destructive readout (DRO) FRAM and non-destructive readout (NDRO) FRAM. Lead zirconate titanate (PZT) is recently considered as one of the most promising materials for DRO FRAM devices due to its excellent ferroelectric properties. There are remarkable advances in the …
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Distributionally robust optimization for design under partially observable uncertainty
… In distributionally robust optimization (DRO) methods, the designer acknowledges that they are unable to exactly specify a probability distribution for the uncertain parameters, and instead specifies a so-called ambiguity set of possible distributions. This work uses an acoustic horn …
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A transfer network linking Earth, Moon, and the triangular libration point regions in the Earth-Moon system
… satellite. Recently, Distant Retrograde Orbits (DROs) and Near-Rectilinear Halo Orbits (NRHOs) near the Moon have been identified as motion of interest for manned and unmanned missions with a focus on operations in cislunar space. The triangular libration points, as well as lunar DROs and NRHOs …
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Distributionally Ambiguous Stackelberg Combinatorial Games for Submodular Optimization and Camera View-Frame Placement
… Distributionally Robust Optimization (DRO) framework provides a risk-averse attacker with robust attack- ing strategy, while offering defender insights into the most probable threats. In contrast, Distributionally Risk-Receptive (DRR) frameworks provides high-impact strategy for a risk- …
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Gallium arsenide field effect transistors microstrip integrated circuit dielectric resonator oscillators
… Resonator Oscillators (GaAs MESFET MIC DROs) - the different types, their design and their performance compared to other high Q factor (ie narrowband) microwave oscillators. The thesis has three major objectives. The first is to collate the information required to build microwave DROs. …
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A Study Of The Effect Of Organizational Communication Cultures On Interorganizational Collaboration Of Crisis Response
… chapter of a disaster response organization (DRO) and a metropolitan police department (MPD) in a large U.S. metropolitan city. Data for this instrumental case study was collected using the qualitative approaches of participant observation, interviews, and document analysis. </p> <p>The …
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Distributionally robust optimization with marginals : theory and applications
… consider distributionally robust optimization (DRO) problems in which the ambiguity sets are designed from marginal distribution information - more specifically, when the ambiguity set includes any distribution whose marginals are consistent with given prescribed distributions that have been …
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Methods for Enhancing Robustness and Generalization in Machine Learning
… First we introduce a formulation of Group DRO with soft group assignment. This formulation can be applied to data with noisy or uncertain group labels, or when only a small subset of the training data has group labels. We propose a modified loss function, explain how to apply it to data …
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Gradient Subgroup Scanning for Distributionally and Outlier Robust Models
… in group distributionally robust optimization (DRO)), or every validation data point. Furthermore, these distributionally robust approaches tend to show reduced performance when outliers are also present in the data. Unfortunately, existing methods for improving subgroup performance cannot be …
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Distributionally robust solution schemes for two-stage optimization and interdiction problems under uncertainty
… the distributionally robust optimization (RNRP-DRO) model with χ²-distance ambiguity set. However, the lack of explicit mathematical representation for the network redundancy leads to an intractable optimization model. To tackle this issue, we propose a linear regression approximation of the …
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Distributed Generation Capacity Assessment of Active Distribution Systems
… namely distributionally robust optimisation (DRO), to tackle this issue. In DRO approaches, the actual but unknown distribution of the uncertain parameters is assumed to belong to an ambiguity set. Then, the decisions are determined to guarantee the results under the worst-case distribution in …
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Distributed Generation Capacity Assessment of Active Distribution Systems
… namely distributionally robust optimisation (DRO), to tackle this issue. In DRO approaches, the actual but unknown distribution of the uncertain parameters is assumed to belong to an ambiguity set. Then, the decisions are determined to guarantee the results under the worst-case distribution in …
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Restitución fotogramétrica de Polideportivo de La Universidad de El Salvador mediante el uso de vehículos aéreos no tripulados (UAV).
… evolución , involucrando la tecnología de Dro nes para poder realizar vuelos fotogramétricos en los diversos campos de la ingeniería civil que luego se vectorizan para hacer una restitución digital, en comparación al pasado este proceso se hace en menor tiempo y obtenemos resultados …
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Energy Management of Electric Vehicle Supply Equipment in Multi-Unit Residential Buildings
… a Distributionally Robust Optimization (DRO) framework with a Wasserstein ambiguity set is developed to determine the optimal charging profiles for the EVSEs under such uncertain conditions. Furthermore, to better capture the hierarchical and multi-tier electrical system of MURBs, a …
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