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 73 for “"Structure design"”.
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Wavelets and multirate filter banks : theory, structure, design, and applications
… parameterization strategies, which facilitate designs with specified properties that are enforced by the actual factorization structure. For M-channel filter banks (M =/> 2), we develop a complete factorization, M-channel lifting factorization, using simple ladder-like structures as predictions …
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Plant protein structure design and its potential substitution of dairy proteins in gelation systems
… development of more homogeneous and compact microstructures. Remarkably, when substituting 25% casein with lentil protein, similar gel performance with casein alone was observed when mediated by microbial transglutaminase treatment. The findings of this study offer a profound comprehension of the …
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Mechanistic Understanding and Enhancing Pool Boiling Heat Transfer via Surface Property and Structure Design
… subsequently investigated the effects of surface structures on enhanced CHF during pool boiling of hemi-wicking surfaces. We systematically designed micropillar surfaces with controlled roughness and wickability, and combined the results with scaling analysis to obtain a unified descriptor for …
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Structure Design and Luminescence Control of Eu⁺²-doped Orthorhombic Phosphors for Solid-State Lighting Applications
… with a narrow emission band was successfully designed and synthesized through a high-temperature solid-state reaction. This phosphor can be excited by an ultraviolet spectrum (250-400nm), showing an ultra-narrow blue emission peaked at 425 nm with a full width at half maximum (FWHM) of 37 nm …
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Mechanical Structure Design and Analysis of Focal Plane Unit (Fpu) for Earth Observation (Eo) Payload
… and planar optics in place. The mechanical design of this unit is has two functions. Firstly, it ensures optical focus and alignment of the image plane in the temperature extremes of the space environment. Secondly, the mechanics also needs to handle harsh launching loads to get the …
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Electrostatic pull-in test structure design for in-situ mechanical property measurements of microelectromechanical systems (MEMS)
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1997.
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Evaluation of Connection Fracture and Hysteresis Type on the Seismic Response of Steel Buildings
… performance. During the performance-based structure design, the effects of hysteretic energy dissipation on the maximum displacement response amplitude of buildings plays a important role in determining the design forces. Linear, bilinear, strength degradation, stiffness degradation, and …
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Commercialization of gallium nitride nanorod arrays on silicon for solid-state lighting
… InGaN grown on sapphire substrates. A new LED structure design is proposed, in which GaN nanorod arrays are grown on silicon substrates. This new structure could be fabricated using anodized aluminum oxide's (AAO) ordered arrangement of pores as a template for growth of the nanorod array. AAO …
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Buckling, Flutter, and Postbuckling Optimization of Composite Structures
This research work deals with the design and optimization of a large composite structure. In design of large structural systems, it is customary to divide the problem into many smaller independent/semi-independent local design problems. For example, the wing structure design problem is decomposed …
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Plantwide Control System Design for IGCC Power Plants with CO2 Capture
In this paper, a systematic approach to design the control system of a commercial-scale integrated gasification combined cycle (IGCC) power plant with CO2 capture is considered. The control system design is developed with the objective of optimizing a desired scalar function while satisfying …
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Enabling technology for mobile computing
… technical component of the work consisted of the design and development of a thermal solution to complement the boxed processor. The organizational component involved an examination of the way the team was structured to execute the project. The strategic component looked at the effect of the …
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Wind effect on long span bridge
… conditions have the chance to damage bridge structure, we calculate the particular wind speed and magnitude that will maximize the reaction. To check if the theory works well, a bridge model is set up and analyzed in SAP2000 and the results are compared with one from mechanics theory. A …
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A Novel Fiber-Reinforced Composite Bridge Structural System
… bridge structural system is proposed. The design concept is carefully engineered to incorporate new high performance structural materials. As a result, a number of special features evolved to produce an efficient bridge design. Along with structural system development, a design methodology …
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Design, Fabrication, and Modeling of Indium Phosphide Double-Heterojunction Bipolar Transistors With Sub-Millimeter Wave Cutoff Frequency
The subject of this work is the design and fabrication of heterojunction bipolar transistors based on InP and the III-V compounds compatible with epitaxial growth on this substrate. Scaling and compositional variations of the transistor material layers are studied with the goal of improving device …
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A Comparison of Image Classification with Different Activation Functions in Balanced and Unbalanced Datasets
… networks depends not only on the network structure design but also on the activation function performance. To identify an optimal activation function, this study investigates the correlation between the activation function selection and image classification performance in balanced or …
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A Comprehensive Study on Energy Management Strategy Design of an Extended-Range Electric Vehicle
… parts: the background review and the vehicle structure design, the consumption and cost analysis and the innovation on its control strategy. Firstly, a comprehensive background investigation and literature review of the energy management strategy is discussed. Secondly, an extended range …
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Educating the Whole Middle School Student: Creating a Balanced School Structure
… this project is to recommend a new middle school structure design within the California public school system which supports three major developmental needs of the middle school student: cognitive, social, and emotional development. The compiled data came from three middle schools in the San …
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High constriction ratio continuous insulator based dielectrophoretic particle sorting
… necessitating improvement in channel structure design in order to increase the electrical field gradient. In this work, a three dimensional insulator based dielectrophoresis (3DiDEP) microdevice is designed to achieve continuous particle sorting based on their size and, more …
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Design and development of novel radio frequency identification (RFID) tag structures
The objective of the proposed research is to design and develop a series of radio frequency identification (RFID) tag structures that exhibit good performance characteristics with cost optimization and can be realized on flexible substrates such as liquid crystal polymer (LCP), paper-based …
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Transformer-Less Common Gro Nine-Level Grid-Connected Boost Inverter for PV Panels
<p>This thesis aims to present an improved structure for non-isolated inverters connectedto the grid for solar panel applications. The work done in this manuscript will be reviewed in five chapters as follows: In the first chapter, a comprehensive overview of the various structures connected to the …
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