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 3871 for “"Acoustic"”.
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Multimaterial acoustic fibers
… applications spanning electronics, mechanics, acoustics, and optics, with the benefits of large surface-area, structural robustness, and mechanical flexibility. This thesis addresses the challenges and opportunities associated with the realization of electromechanical transduction in fibers …
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Acoustic boiling detection
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1994.
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Acoustic source localization
Many technologies rely on underwater acoustics. Most of these applications are able to denoise Gaussian noise from the surrounding, but have trouble removing impulse like noises. One source of impulse-like noise is the snapping shrimps. The acoustic signals they emit from snapping their claws …
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The benefits of acoustic input to combined electric and contralateral acoustic hearing
… partial-insertion electrode array have residual acoustic hearing either in the nonimplanted ear or in both ears and have shown to receive significant speech-perception benefits from the low-frequency acoustic information provided by residual acoustic hearing. The aim of Experiment 1 was to assess …
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Feasibility of acoustic neutrino detection with the South Pole Acoustic Test Setup
… Both the attenuation length of radio and acoustic waves are predicted to be larger than 1km in ice and both signatures are generated in an UHE neutrino interaction. Hence, this interaction in ice could be detected by an hybrid detector array consisting of optical, radio and acoustic …
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Acoustic classification of zooplankton
Work on the forward problem in zooplankton bioacoustics has resulted in the identification of three categories of acoustic scatterers: elastic-shelled (e.g. pteropods), fluid-like (e.g. euphausiids), and gas-bearing (e.g. siphonophores). The relationship between backscattered energy and animal …
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Acoustic Vector Network Analyser
… the accuracy and precision of characterising acoustic materials by adapting well-known techniques developed for the radio-frequency domain to the acoustic domain. Two novel methods are developed with different approaches for determining the reflectivity of materials: computationally and …
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Acoustic emission signal analysis
An extension of acoustic emission technology was made which permits identification of probable source mechanisms for signals emitted during the failure of metals. This was achieved through the construction of a unique instrument and the development of special computer programs. The instrument …
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Dynamic Acoustic -Articulatory Relations
… expression of this constraint. Simulation of acoustic tube models will then show how the acoustic consequences of area function change at the linguistically specified locations are fused into complex dynamic formant patterns.
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Acoustic Scattering by Gratings
… coatings. The investigation of the acoustic behaviour of these periodic structures is used to construct a homogenisation model for an effective surface with an effective impedance parameter. The homogenised model produces an estimate for the compliance of a homogeneous plate that …
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Automatic acoustic guitar tuner
Acoustic guitar musicians tune their instruments by using a conventional tuner. Individuals pluck the string and the conventional tuner indicates whether the note is sharp or flat. The musician then has to wind the string to increase the tension or loosen it to lessen it. This process can be very …
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The virtual acoustic room
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Architecture, 1992.
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Acoustic classification of zooplankton
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Biology, 1998.
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Acoustic Frequency Domain Reflectometry
Acoustic Frequency Domain Reflectometry (AFDR) is a novel technique employing frequency modulated continuous wave (FMCW) methods in solid acoustic waveguide reflectometry. It is particularly suited to dispersion compensation and phase compensation due to the measurement domain being the frequency …
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UNRAVEL: Acoustic and Electronic Resynthesis
… Examines works for saxophone and electro-acoustic music. Analyzes modes of interactivity using Robert Rowe's guidelines, with sonogram, score, and programming examples. Investigates hybrid serial-parallel signal-processing networks, and their potential for timbral transformations. Explores …
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