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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
11

Computer technique for activation analysis

Himes, David Arthur January 1968 (has links)
No description available.
12

Computational studies of percolation : determination of the cluster number scaling function for lattices in 2 dimensions.

30 September 2010 (has links)
The main aim of this work is to study percolation theory on regular two dimensional / Thesis (M.Sc.)-University of Natal, Pietermaritzburg, 2002.
13

High-level control of singing voice timbre transformations

Thibault, François January 2004 (has links)
The sustained increase in computing performance over the last decades has brought enough computing power to perform significant audio processing in affordable personal computers. Following this revolution, we have witnessed a series of improvements in sound transformation techniques and the introduction of numerous digital audio effects to modify effectively the time, pitch, and loudness dimensions of audio signals. Due to the complex and multi-dimensional nature of timbre however, it is significantly more difficult to achieve meaningful and convincing qualitative transformations. The tools currently available for timbre modifications (e.g. equalizers) do not operate along perceptually meaningful axes of singing voice timbre (e.g. breathiness, roughness, etc.) resulting in a transformation control problem. One of the goals of this work is to examine more intuitive procedures to achieve high-fidelity qualitative transformations explicitly controlling certain dimensions of singing voice timbre. Quantitative measurements (i.e. voice timbre descriptors) are introduced and used as high-level controls in an adaptive processing system dependent on the characteristics observed in the input signal. / The transformation methods use a harmonic plus noise representation from which voice timbre descriptors are derived. This higher-level representation, closer to our perception of voice timbre, offers more intuitive controls over timbre transformations. The topics of parametric voice modeling and timbre descriptor computation are first introduced, followed by a study of the acoustical impacts of voice breathiness variations. A timbre transformation system operating specifically on the singing voice quality is then introduced with accompanying software implementations, including an example digital audio effect for the control and modification of the breathiness quality on normal voices.
14

Use of the SOAP analysis package at BSU with respect to experiment E781 at Fermi National Laboratory

Alkhalifah, Ahmed A. January 2000 (has links)
This project was done in the context of FNAL Experiment E781 (the charm baryon study), which took data during the 1996-97 "fixed-target" run, using the SELEX detector, and a 650-GeV sigma hyperon beam derived from a production target exposed to the 1-TeV ultra-high energy proton beam out of the FNAL TEVATRON accelerator.We used the SSH encrypted TELNET to penetrate the BSU firewall to gain access to the FNAL E781 computer system.We did SELEX VDC alignments of runs 5577, and 7413, via telnet to the E781 computer system, using E78 I's SOAP analysis package then broadcasted the results to E781 collaborators.Also, we installed REDHAT-6.2's distribution of the LINUX OS, and then studied, downloaded and investigated (installing/compiling/testing) the E781 SOAP analysis package on several local BSU PC's. We analyzed and displayed these local tests results with the PAW graphics software (itself downloaded from the CERN laboratory). / Department of Physics and Astronomy
15

High-level control of singing voice timbre transformations

Thibault, François January 2004 (has links)
No description available.

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