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 19 of 19 for “"Physical Theory"”.
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Computer-aided design-based high-frequency electromagnetic wave scattering from complex bodies
… scattering techniques, such as the physical theory of diffraction (PTD) and the geometrical theory of diffraction (GTD) and the shooting and bouncing rays (SBR) method combined with computer aided design (CAD) compatible geometries, to perform the electromagnetic scattering analysis …
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Finite difference techniques for body of revolution radar cross section
… other and with method of moment predictions, physical theory of diffraction predictions, and analytic results. From these comparisons the tradeoffs possible between accuracy and computation with this collection of finite-difference tools is determined.
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The search for gravitational wave bursts in data from the second LIGO science run
… While providing strong support for the General Theory of Relativity, such observations will also permit new tests of physical theory in regions of strong space-time curvature and high matter-energy density. However, the observed signals are expected to occur near the limit of detector …
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Automorphs
… several disciplinary fragments of contemporary physical theory where this mechanism can be said to be operational including an analogy to basic life processes -- the most elegant of the physical automorphisms. Its analytic and thus generative power in fields as diverse as astrophysics, …
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Quantum Correlations for Fundamental Tests and Quantum Communication
… test where we bounded the predictive power any physical theory could have about the outcomes of measurements on entangled particles. Secondly, we made use of entangling measurements to develop a new quantum cryptography system based on the promising MDI-QKD protocol, which protects users from …
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A statistical theory of the epilepsies
A new physical and mathematical model for the epilepsies is proposed, based on the theory of bond percolation on finite lattices. Within this model, the onset of seizures in the brain is identified with the appearance of spanning clusters of neurons engaged in the spurious and uncontrollable …
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Explicitly structured physics instruction
… taught. The instructor explains the physical theory and works example problems. Many students, however, are not able to develop the ability to solve problems implicitly. The program of Explicitly Structured Physics Instruction (ESPI) was developed to teach problem solving skills …
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Dynamics of electrons and excitons in nanoclusters and molecules studied by many-body Green's function theory
… (OD) finite systems based on the most advanced physical theory are not well established. In the thesis, the computational approaches and methods based on the many-body Green's function theory are developed for OD nanoclusters and molecules. The numerical implementations for the calculation of …
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Batterers' Perception of Treatment Non-Completion
… utilized within the framework of Gove’s Prime Physical Theory, Bandura’s Self-Efficacy Theory and Braithwaite’s Reintegrative Shaming Theory. Data collection included interviewing a sample of 22 court mandated male batterers, who had initially dropped out of treatment and had been reinstated. …
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Inference from Limited Observations in Statistical, Dynamical, and Functional Problems
… knowledge of statistical, dynamical systems, and physical theory allow us to constrain the inferences and predictions we make from observational data. This domain knowledge becomes of paramount importance when the data we observe is limited: due to missing labels, small sample sizes, unobserved …
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Design and Analysis of Quasioptical Components for use in Terahertz Optics and Future CMB Missions
… lens was analysed using GBM (Gaussian Beam Mode) theory and PO (Physical Optics). This thesis also includes the work the author did as part of an international team of 16 students to design a candidate ESA mission. The final chapter, therefore, concerns itself with “Geophysics from Space using …
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Differential systems, moving frames, structure-preserving submersions and geometrical problems in physics
… of the problem, and which for many physical systems is linked to the physical degree of freedom. This algorithm is especially helpful in dealing with systems with many constraints such as structure-preserving submersions. We also give other examples of calculations using this …
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The Ethics within Metaphysics
… In the first chapter, I put forward a new theory of personal identity, give arguments for it, and defend it from objections. In the first part, I argue that the two most prominent theories of personal identity, the psychological theory and the physical theory, do not satisfy some …
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On the structure of geometries with spinor-type connexion
… vector and tensor fields of various kinds. A theory of connexion is proposed for the spinor objects described above; this theory uses only standard methods of classical differential geometry, together with a certain amount of algebra, and leads, amongst other things, to the realization of a …
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Stationary Anti-de Sitter Black Hole Solutions in and out of Equilibrium
… are perhaps the most fundamental objects in any physical theory. In this thesis we numerically obtain a number of stationary black hole solutions to the Einstein-Maxwell equations with a negative cosmological constant. The AdS/CFT correspondence has caused an upsurge in studying anti-de Sitter …
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Robust graph transduction
… propagation algorithm by utilizing a well-known physical theory called Fick’s Law of Diffusion. Different from existing machine learning models that are based on some heuristic principles, FLAP conducts label propagation in a “natural” way, namely when and how much label information is received …
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Laser beam induced current studies of Hg1-xCdxTe photodiodes
… problem is largely due to the complexity of the physical process, and the difficulty in isolating the multitude of semiconductor material and device parameters that influence the LBIC profile. This work significantly develops the physical theory, and quantitative application of LBIC for the …