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 2648 for “"excitation"”.
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Hydroelastic excitation of cylinders.
… structural failures occurred due to hydrodynamic excitation. Wood, stone and brick were the main construction materials, and the elementary design methods used were very conservative ensuring that the structure had high frequency, large mass and a large damping factor. A very high flow velocity …
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Multi-band excitation vocoder
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1987.
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Parametric Excitation of a DWSC
Parametric excitation of the DWSC (Deep Water Stable Craneship) is studied in this thesis. It occurs for a system without any external forcing, when one of the coefficients in the equation of motion (EOM) modeling the system varies with time. Parametric instability might be triggered for certain …
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The dual excitation speech model
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1992.
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Localized Excitation Fluorescence Imaging (LEFI)
… This imaging modality is based on local excitation of fluorescent cells, acquisition of fluorescence through the scaffold, and fluorescence mapping based on the position of the excitation light. To evaluate the capability and accuracy of the imaging system, human endothelial cells, stably …
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Nonlinear oscillations under multifrequency parametric excitation
… equations containing a multifrequency parametric excitation and weak quadratic and cubic nonlinearities is investigated. The method of multiple scales is used to carry out a general analysis, and three resonance conditions are considered in detail. First, the case in which the sum of two …
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Harmonic analysis of transformer excitation currents
Transformer core nonlinearity has been a subject of research in electrical power engineering for many decades. An accurate and simple transformer model that takes into account its iron saturation appears to be lacKing The objective of this thesis is to propose a voltage-dependent model of …
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Non-linear excitation and governor control
… and inverse control technique for the design of excitation and governor controllers for a power system. Power systems with a single machine connected to an infinite busbar as well as multimachine systems were considered. Control laws for rotor angle and field flux are derived. The closed loop …
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Bipolar excitation of switched reluctance machines
… can be maintained in continuous SFPE via bipolar excitation"--Abstract, page iii.
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Electron impact excitation-ionization of molecules
… M4DW results will be presented for dissociative excitation-ionization of orientated D<sub>2</sub>. I will show that M4DW calculations using a variational wave function for the ground state that included s- and p- orbital states give better agreement to the experimental measurements than a ground …
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Excitation of Single Striated Muscle Fibers
Made available in DSpace on 2014-12-05T22:14:30Z (GMT). No. of bitstreams: 1 0004008.pdf: 8574061 bytes, checksum: ed766324f31af986a1aa7edd71b398df (MD5) Previous issue date: 1952
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Photoassociative excitation spectroscopy of excimer molecules
Laser excitation spectroscopy of transitions having dissociative ground states was explored as a tool for the study of excimer molecules. Since the repulsive nature of the ground state constrains collision pairs to large internuclear transitions, bound $\gets$ free excitation spectra contain more …
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Modeling of modern excitation control systems
Thesis: M.S., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 1980
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Industrial applications of photonuclear resonance excitation
Photonuclear resonance excitation refers to a variety of photonuclear interaction processes that lead to the excitation of a nucleus from some initial state to a higher energy nuclear state. Typical excited nuclear state lifetimes are short, ranging from nanoseconds to femtoseconds or less; …
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Optimal de-excitation patterns for RESOLFT-Microscopy
… of available power, the steepest applied de-excitation pattern will yield the highest resolution. In this thesis, for the first time, a comprehensive search, optimization and characterization of de-excitation patterns is performed. The microscope’s pupil function is decomposed into …
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