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 498 for “"Analytical models."”.
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Analytical models of IP traffic on UMTS mobile networks
… Our investigation involved deriving two analytical models, one that would model the queueing and processing on the CN, and one that would model the transmission errors on the UTRAN.
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Analytical Models to Predict Power Harvesting with Piezoelectric Materials
… from vibrating systems. We develop definitive, analytical models to predict the power generated from a cantilever beam and cantilever plate. Harmonic oscillations and random noise will be the two different forcing functions used to drive each system. The predictive models are validated by being …
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Ground movements due to excavation in clay: physical and analytical models
… decision-making purposes, small scale centrifuge models were made to observe the complicated mechanisms involved. A newly developed actuation system, with which the construction sequences of propping could be implemented, was developed, the new procedures were proven to give more realistic initial …
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Analytical and Semi-Analytical Models for Composite Reservoirs with Complex Well Completions
… work is to develop rigorous (and yet) practical analytical and semi-analytical models for multi-well performance in petroleum reservoirs, with a view to simulating and forecasting production from unconventional resources. The models will address flow in different reservoir systems (homogeneous …
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Analytical Models and Artificial Intelligence for Open and Partially Disaggregated Optical Networks
L'abstract è presente nell'allegato / the abstract is in the attachment
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DATA-DRIVEN ANALYTICAL MODELS FOR IDENTIFICATION AND PREDICTION OF OPPORTUNITIES AND THREATS
… Long-Short Term Memory (LSTM) neural network models to inform domain specific foresights. In addition to predicting the opportunities and threats, this research proposes new techniques to help decision-makers for deduction and reasoning purposes. The proposed models and results provide …
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Optimization of high-speed CMOS circuits with analytical models for signal delay
… produce accurate and detailed delay information, analytical delay models are required in general because of the time consuming computation in SPICE simulations. New analytical delay models for both inverter and non-inverter stage of CMOS circuit in deep submicron regime are proposed in this work. …
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ADAPTIVE TRANSIT DESIGN AND OPERATION VIA AGENT-BASED SIMULATIONS AND ANALYTICAL MODELS
La mobilità urbana sta attraversando un’eccezionale stagione di cambiamento, sotto l’impulso delle innovazioni introdotte dalle tecnologie dell'informazione e della comunicazione. In molte aree urbane si stanno diffondendo servizi innovativi di mobilità on-demand di tipo flessibile, che …
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A comparison of analytical models and experimental results for the acoustic response in a non-rigid-wall enclosure
… interior to the enclosure walls. Three different analytical modeling approaches were investigated and presented in this thesis for the acoustic response in a rectangular enclosure. A reference model assumed that the walls of the enclosure were rigid, corresponding to an infinite acoustic impedance …
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Modelling and Analysis of Resource Management Schemes in Wireless Networks. Analytical Models and Performance Evaluation of Handoff Schemes and Resource Re-Allocation in Homogeneous and Heterogeneous Wireless Cellular Networks.
… a high level of QoS. In this thesis, different analytical models of various handoff schemes and resource re-allocation in homogeneous and heterogeneous wireless cellular networks are developed and investigated. The sustained increase in users and the request for advanced services are some of the …
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Investigation of the Use of Viscoelastic Damping Devices to Rehabilitate a Lightly Reinforced Concrete Slab-Column Structure
… results are provided through the use of linear models of the type that might be used in the design office. The analytical models were used to assess strength, stiffness, and serviceability of the structure. In addition, the analytical models were used to assess the applicability of the linear …
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Imperfection-Aware Design of CNFET Digital VLSI Circuits
… technique for CNFET digital VLSI circuits by: 1) Analytical models that are developed to analyze and quantify the effects of CNT density variation on device characteristics, gate and system levels delays. The analytical models, which were validated by comparison to real experimental/simulation …
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Analytical Modelling of Scheduling Schemes under Self-similar Network Traffic. Traffic Modelling and Performance Analysis of Centralized and Distributed Scheduling Schemes.
… This study aims to develop novel analytical models for commonly interested scheduling schemes in communication systems under more realistic network traffic and use the models to investigate the issues of design and development of traffic scheduling schemes. In the open literature, …
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Inelastic Cyclic Behavior of Bolted Flange Plate Connections
… elements and rotational springs. At least two analytical models are needed to represent the behavior: pre-slip model and post-slip model. These analytical models provide a reasonable estimate for the initial stiffness and inelastic behavior of BFP connections.
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Adaptive scalable protocols for heterogeneous wireless networks
The focus of this dissertation is to propose analytical models to study the impact of collisions and interference in heterogeneous wireless networks and propose simple scalable and lightweight protocols that use these models to adapt to network conditions thus increasing efficiency, decreasing …
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Design and Analysis of Hardware-Based Scheduler and Multi-Photon Quantum Cryptography Protocol
… In addition, this dissertation develops analytical models for hardware-based algorithms. The proposed models can be used not only to evaluate existing hardware implementations, but also to guide the design for new hardware acceleration implementations. Two datacenter-oriented hardware …
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Acquisition and modeling of material appearance
… appearance have remained critical challenges. Analytical models are the main tools to describe material appearance in most current applications. They provide compact and smooth approximations to real materials but lack the expressiveness to represent complex materials. Data-driven approaches …
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Delay, Stop and Queue Estimation for Uniform and Random Traffic Arrivals at Fixed-Time Signalized Intersections
… applications. While the current state-of-the-art analytical procedures provide simple approaches for estimating delay, queue length and stops at signalized intersections, they are limited in scope. Alternatively, several microscopic simulation softwares are currently available for the evaluation …
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Non-rare-earth permanent magnet synchronous reluctance machine for compressor application
… have been studied in depth. In this thesis, analytical models of permanent magnet assisted synchronous reluctance machines are discussed. Based on the analytical models, design variables are selected such that, while meeting the mechanical constraints, the difference between d-axis …
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