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 6451 for “"Coupling"”.
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Metamaterial enhanced coupling
… and in this thesis I examine several of these coupling mechanisms. After an appropriate discussion of theoretical and experimental tools required for metamaterial study, the thesis turns to the metamaterial substrate and explores the coupling effects of the metamaterial and the substrate …
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COUPLING OF QUADRATIC LATTICES
… Carbondale. \vspace{14pt} \noindent TITLE: COUPLING OF QUADRATIC LATTICES % Change title above and put all in CAPS \vspace{14pt} \noindent MAJOR PROFESSOR: Dr. A. Earnest \vspace{14pt}\\ The subject of this dissertation is the representation theory of quadratic lattices over the ring of …
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Spin Coupling in Radio Frequency Spectroscopy: A. The Electron Coupling of Nuclear Spins. B. The Coupling of Electron and Nuclear Spins
Made available in DSpace on 2014-12-05T19:37:06Z (GMT). No. of bitstreams: 1 5901997.pdf: 3898653 bytes, checksum: 503fc7d951ccaf5a8774d37fc47e4411 (MD5) Previous issue date: 1959
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Optimization of Near Field Coupling for Efficient Power Transfer Utilizing Multiple Coupling Structures
… options, including near field resonant magnetic coupling. Previous research with mid-range (dâ 4r) wireless power transfer has resulted in coupling efficiencies of close to 40%. In order to increase efficiency in transfer a more directive transmission system was developed using a phased array. …
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Mutual coupling in MIMO systems
… pairs simultaneously, the effects of mutual coupling become a significant consideration in the quest to achieve high system performance. Therefore a clear understanding of mutual coupling effects with varying conditions in necessary for practical purposes. A lot of work has already been done …
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Nonreciprocal coupling to microstrip resonators
… scattering, which we term ""nonreciprocal coupling"". Additionally, while indirect scattering has so far mainly been explored in optical systems, the experiments in this thesis occur in the microwave frequency domain."
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Light Coupling to Plasmonic Nanocavities
… The deficiencies in our understanding of light coupling to such nanocavities are highlighted through this work. The Quasi-Normal Modes (QNMs) of lossy plasmonic nanocavities were investigated across a wide range of geometric parameters including the nanoparticle diameter, gap refractive index, …
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Magnetoelastic coupling in thin films
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1994.
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Nanomechanical coupling of mechanomutable polyelectrolytes
… etc.). Specifically, in this dissertation, the coupling of electrostatic cross-links and weak interactions, polyelectrolyte persistence length and molecular rigidity of PAA and PAH is investigated with full atomistic precision. Large-scale molecular dynamics (MD) simulations indicate the …
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Coupling strength and nuclear reactions
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 1951.
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Design strategies for coupling buildings
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1994.
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Strong coupling methods for lattice QCD
… numerical finite density sign problem. Strong coupling methods, expanding in the inverse gauge coupling, give rise to alternative representations of the partition function that can make the sign problem milder. This Habilitation discusses the strong coupling methods developed by the author and …
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Coupling matter to loop quantum gravity
Motiviert durch neuere Vorschläge zur experimentellen Untersuchung von Quantengravitationseffekten werden in der vorliegenden Arbeit Annahmen und Methoden untersucht, die für die Vorhersagen solcher Effekte im Rahmen der Loop-Quantengravitation verwendet werden können. Dazu wird als Modellsystem …
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Iterative cross-coupling with MIDA boronates
… molecule making based on the iterative cross-coupling (ICC) of bifunctional haloboronic acid building blocks. Realizing a general ICC approach in the context of small molecule synthesis required the discovery of a ligand with the capacity to attenuate the reactivity of boronic acids under …
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Development of organosilicon cross-coupling reaction
Use of palladium catalyzed cross-couplings have found widespread use in the pharmaceutical industry and there is a significant ongoing effort to either improve or devise new synthetic strategies to help build complex biologically active compounds. This is a study for advancing the use of silanols …
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Time Scales, Coherency, and Weak Coupling
In this thesis we study a relation between time scales and structural properties of a class of systems represented by power systems. First, the time scale decomposition of linear time invariant systems is studied. The properties of the time scale decomposition are shown to be defined by properties …
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An Investigation of Ionosphere-Protonosphere Coupling
Made available in DSpace on 2014-12-09T18:33:59Z (GMT). No. of bitstreams: 1 6507101.pdf: 8997375 bytes, checksum: c41e4dd75731bd9e890e5846ac08eaae (MD5) Previous issue date: 1965
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Interlayer exchange coupling in magnetic multilayers
The discovery of the exchange coupling between ferromagnetic layers separated by nonmagnetic spacer layers has stimulated a great deal of interest recently. We present a theoretical study of the interlayer coupling in magnetic multilayers using two theoretical approaches. One such approach is to …
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Spatial Coupling for High-Dimensional Estimation
… performance. This thesis investi- gates spatial coupling, a design technique that can enhance reconstruction performance with efficient algorithms for a variety of inference problems. For many high-dimensional regression models with unstructured designs, the Bayes-optimal estimator is computa- …
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