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 35 for “"MATHEMATICAL EXPRESSION"”.
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Mathematical Expression Detection and Segmentation in Document Images
… titles, headers/footers, paragraphs, images, mathematical expressions, chemical equations, musical notations, tables, circuit diagrams, among others. False positive/negative detections, oversegmentations, and undersegmentations made during the detection and segmentation stage will confuse a …
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Arboreal representations, sectional monodromy groups, and abelian varieties over finite fields
… Odoni. Given a field K, a separable polynomial [mathematical expression], and an element [mathematical expression], the full backward orbit [mathematical expression] has a natural action of the Galois group [mathematical expression]. For a fixed [mathematical expression] with [mathematical …
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PIPPIN MACHINE
… computer. The first simulator takes a simple mathematical expression as input and then translates it into an assembly language. The second simulator will execute an assembly language program.</p>
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ΠΡΟΣΟΜΟΙΩΣΗ ΕΠΙΠΕΔΟΥ ΛΕΙΑΝΣΕΩΣ: - ΤΟΠΟΜΟΡΦΙΑ ΛΕΙΑΝΤΙΚΟΥ ΤΡΟΧΟΥ -ΔΥΝΑΜΕΙΣ ΚΟΠΗΣ
IN THIS RESEARCH WORK, A MATHEMATICAL EMPIRICAL MODEL DESCRIBING THE KINEMATICS OF FORMED CHIPS AND CALCULATING THE CUTTING FORCES IN SURFACE GRINDING HAS BEEN DEVELOPED. MODELLING HAS BEEN ATTEMPTED ON THE BASIS OF THE FOLLOWING ITEMS IN THE SEQUENCE SHOWN: A) THE ACCURATE DESCRIPTION OF THE …
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Simulation studies of a fluid queuing system
… formulation and simulation. We prove that strict mathematical expression of optimal control is hard to come up with when the controller is part of the stochastic differential equation. Thus, simulation is used to find optimal control for an example system, which is defined in the thesis.
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Solução das equações de Saint-Venant por um modelo de elementos finitos espaço-temporal
… differential equations of Saint-Venant are the mathematical expression used to describe phenomena of free surface transient flows being an example of pratical importance the flood wave routing in rivers. The main purpose of this thesis is to present a solution for such equations through the use …
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Estudo do comportamento de um tirante em argila mole
… them of the elongability of the anchor-bulb. A mathematical expression for the shear stress distribution along anchor bulbs was developed, an index representative of the elongability of anchors being established. By means of field load test, load-capacity, stress-strain characteristics and …
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A Propagation Simulator for Land Mobile Satellite Communications
… Goldhirsh of the Applied Physics Laboratory. New expressions for phasor plot and its mathematical expression for lognormal channel were derived and were simulated. Finally, the advantages of the simulator using random number generator in simulating the propagation model are described.
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Penetration in granite by shaped charge liners of various metals
… granite was also obtained in this same manner. A mathematical expression was developed to calculate collapse time of cones using three-dimensional collapse criteria"--Abstract, page ii.
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Recognition of handwritten mathematical expressions
In recent years, the recognition of handwritten mathematical expressions has received an increasing amount of attention in pattern recognition research. The diversity of approaches to the problem and the lack of a commercially viable system, however, indicate that there is still much research to be …
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The determination of hob offset design values for nonstandard spur gears
… been shown by several authors, but there is no mathematical expression to separate the total hob offset into the individual hob offsets needed on the pinion and the gear. Several authors describe the advantages of designing gears with a substantial length of recess and a minimal length of …
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Simulation-optimization studies: under efficient stimulation strategies, and a novel response surface methodology algorithm
… optimization problems, the lack of an explicit mathematical expression of the problem may preclude the application of the standard methods of optimization which prove valuable in an analytical framework. In such situations, computer simulations are used to obtain the mean response values for the …
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A description of Virginia pine diameter distributions
… has not satisfied its primary objective of a mathematical expression of diameter distributions in natural stands of Virginia pine, several constructive conclusions and recommendations are possible. All of them are offered with the perspective that research in the interest of advancing growth …
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Infrared Spectroscopic Measurement of Titanium Dioxide Nanoparticle Shallow Trap State Energies
… signal across the entire mid-infrared range. A Mathematical expression based upon Fermi–Dirac statistics was derived to correlate the temperature of the particles to the population of charge carriers, as measured through the infrared absorbance. The primary variable of interest in the Fermi – …
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Optimisation of Gaussian process regressions of molecular potential energy surfaces
… fundamental questions on the importance of the mathematical expression of the feature dimensions of the input space. Moreover, for Gaussian processes which are particularly popular in regression problems, the choice of an appropriate kernel function to construct the desired model is not …
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A Framework for Integrating Pure Shadow Lines into Architectural Design Process
… and psychology assert that geometries with pure mathematical expression are visually pleasing. The present research aims to integrate these geometric relationships with daylight when formed by the edge of light and shadow, resulting from direct sunlight entering a room through roof openings and …
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Discrete Gate Sizing Methodologies for Delay, Area and Power Optimization
… discrete sizing problem as a simplified mathematical expression and apply it to existing Lagrangian relaxation method, which is shown to converge to optimal solution. We demonstrate that the classic Elmore delay model based gate sizing approaches can still be valid. Therefore, our work …
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Combustion of Coal in Shallow Fluidised Beds
… a diffusion flame surrounding the carbon sphere. Mathematical expression for the burning rate of carbon is derived. Account is taken of the fact that the void age, through which the diffusion of gas occurs, varies in space. This affects both the burning rate and particle/gas Sherwood number. The …
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Improving the computation efficiency for computer-generated holography
… time. This is mainly due to the complex mathematical expression that describes light diffraction. To solve this problem, a non-iterative phase retrial algorithm called one-step phase retrieval (OSPR) was created in 2006. Inspired by the non-iterative nature, we managed to design two …
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