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 93 for “"matrix-based"”.
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Mueller-matrix-based analysis for second-harmonic generation imaging
… the relative structural difference in collagen-based tissues by second harmonic generation (SHG) imaging techniques involving polarization investigation. The Mueller matrix formalism demonstrates a polarization-based analysis approach for assessment of varying samples. The associated …
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Extracellular matrix based substrates for propagation of human pluripotent stem cells
… and characterization of extracellular matrix (ECM) substrates for hPSC propagation. ECM substrates derived from mouse and human fibroblasts were assessed for their ability to support self-renewal of hPSCs. Characterization of hPSCs on ECM-based substrates demonstrated maintenance of …
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A General Framework for Robot Programming Using a Matrix-based Supervisory Controller
… phase. The thesis begins with a preamble to the matrix-based approach depicting its simplicity and its advancements as the research progresses.Given a decomposed task, the controller permits a user to program that task, in the appropriate sequence, using a primitive library by utilizing matrices. …
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Generator Matrix Based Search for Extremal Self-Dual Binary Error-Correcting Codes
Self-dual doubly even linear binary error-correcting codes, often referred to as Type II codes, are codes closely related to many combinatorial structures such as 5-designs. Extremal codes are codes that have the largest possible minimum distance for a given length and dimension. The existence of …
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Advancing Ubiquitous Tactile Sensing through Comprehensive Tooling for Resistive Matrix-Based Sensors
Resistive matrix-based tactile sensors offer a scalable and intuitive approach to capturing human-environment interactions, yet deploying them in real-world systems remains challenging because they must remain portable, adaptive, and long-lasting. This thesis presents the WiReSens Toolkit, an …
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A matrix based integrated framework for multi disciplinary exploration of cyber-international relations
… comprehensive, and coherent test use-case based on "Intellectual Property Rights (IPR)" domain. The CSSD framework is then adapted to test its applicability to the use-case. IPR has been selected as the test use-case because it provided both the legal understanding and legislative efforts …
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Robust Non-Matrix Based Power Flow Algorithm for Solving Integrated Transmission and Distribution Systems
… of KVL and KCL in GTA is described. The GTA based power flow algorithm is shown to solve IEEE standard transmission models, IEEE standard distribution models, and integrated transmission and distribution models (hybrid models) constructed from modifying IEEE standard models. The GTA power …
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Neuroglial differentiation and neo-innervation in extracellular matrix-based tissue engineered innervated smooth muscle sheets
… ganglia, that are surrounded by an extracellular matrix composed primarily of collagen IV, laminin and heparan sulfate. Disruption of ganglionic integrity, loss or damage of all or specific subsets of enteric neurons occur in several pathological states resulting in intestinal dysmotility and …
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Testing the application of social accounting matrix-based structural path analysis to urban agriculture in the Eastern Cape, South Africa
… to test the application of the social accounting matrix-based structural path analysis to urban agriculture at the local level. This was part of an attempt to advance an alternative methodology that could guarantee higher levels of precision and reliability in the measurement and analysis of the …
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Assessment of Cyber Vulnerabilities and Countermeasures for GPS-Time Synchronized Measurements in Smart Grids
… this dissertation is the enhancement of Hankel-matrix based bad data detection model. The existing general Hankel-matrix based bad data detection model provide satisfactory performance. However, it fails in differentiating GPS-spoofing attack from FDIA. We propose an enhanced phase angle …
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Computational imaging in biology
… algorithms are also examined. Reflection matrix based imaging methods allow for diffraction limited imaging through deep tissue which induces large aberrations as well as multiple scattered photon background. Several reflection matrix based imaging techniques are applied as well as …
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METHODS TO MINIMIZE LINEAR DEPENDENCIES IN TWO-DIMENSIONAL SCAN DESIGNS
… Currently, metric of channel separation and matrix-based metric are used in order to estimate linear dependencies in a CUT. When the underlying sub-circuit (cone) structure of a CUT is available, the matrix-based metric can be used more effectively. Fisrt, we present two methods that use …
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Proper scoring rules : properties and applications
… all weighted proper scores. We also present a matrix-based construction method for scoring forecasts that can be represented as affine transformations of an underlying distribution.
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Matrix Free approach for Raviart-Thomas anisotropic Tensor Product Finite Elements
… we develop techniques for fast, efficient cell based operator evaluation of Raviart-Thomas finite elements and thereby extend the existing implementation of matrix free framework in deal.ii. The extensions allow the framework to also support anisotropic vector-valued finite elements in addition …
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Dynamic Architecture Flow Optimization for Capability-Based Assessment of Naval Ship Design
… of earlier work, the DAFO has been refined using matrix-based methods with further development towards implementing capability-based design. The DAFO responds to capability requests to support dynamic operational situations (OPSITs) in a Warfighting Model and enables optimized and feasible …
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Sequentially-fit alternating least squares algorithms in nonnegative matrix factorization
Nonnegative matrix factorization (NMF) and nonnegative least squares regression (NNLS regression) are widely used in the physical sciences; this thesis explores the often-overlooked origins of NMF in the psychometrics literature. Another method originating in psychometrics is sequentially-fit …
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Data Clustering And Visualization Through Matrix Factorization
… groupings or clusters in multidimensional data based on perceived similarities among the patterns. The purpose of clustering is to extract useful information</p> <p>from unlabeled data.</p> <p>In order to present the extracted useful knowledge obtained by clustering in a meaningful way, data …
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Data-driven modelling and optimised reverse engineering of complex dynamical systems in cancer research
… tested. Here, a suite of novel analytical and matrix-based techniques for dynamical systems modelling are developed that are time-efficient and data-driven. These techniques facilitate a range of scientific analyses through novel matrix-based system identification and parameter estimation …
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Nuclear reactor multiphysics via bond graph formalism
… coupled reactor simulation. High-performance, matrix-based bond graph processing methods were developed to support the simulation of medium- and large-scale problems. A pressurized water reactor point kinetics, single-channel rod ejection benchmark problem was used to verify the nonlinear point …
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Reciprocity and Normality in the Scattering Matrix of Disordered Media
The scattering matrix formalism provides a practical characterization of wave transport in linear, source-free systems by relating a set of operationally defined input and output spatial channels. The matrix is structured as a block operator, with diagonal blocks encoding same-side reflection …
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