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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.
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Showing 11 to 20 of 10362 (0.044 seconds)| 11 |
Numerical methods in the direct interpretation of marine magnetic anomaliesEmilia, David Arthur 16 December 1968 (has links)
Graduation date: 1969
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Downward continuation and transformation of potential fields with application to marine magnetic anomaliesEggers, Dwight Edward 17 July 1973 (has links)
The problem of downward continuation of potential fields is
being considered. The basic approach involves computation in real
space using a power series expansion. The computation of the derivatives
required for evaluating the series is carried out on the basis of
two approximation methods, viz. (1) polynomial method, and
(2) application of band-limited functions.
The band-limited approach is also applied to the problem of
transforming the direction of the source magnetization, that is, to the
problem of transforming a given magnetic field to the pole.
The quality of these results is considered in two ways: (1) the
frequency response of the derived convolution coefficients are compared
with the analogous system functions of the linear filter method;
and (2) the methods are applied to artificial magnetic test cases.
Good quality results are obtained using these methods. The methods
are also applied to a portion of field data. / Graduation date: 1974
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2 and 3 Dimensional Systems Studied Using X-ray Crystallographic TechniquesEskildsen, Morten Ring 08 January 1999 (has links)
No description available.
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Ordering Classification of Colummnar Lattices in Magnetic Fluid Thin Film Subject to Perpendicular FieldsLu, Chun-Kaung 01 July 2002 (has links)
Magnetic fluid aggregates magnetic columns when a perpendicular magnetic field is applied. The arrangement of magnetic columns forms hexagonal structures in equilibrium state. We study the ordering classification of colummnar lattices with time elapsed.
The perpendicular magnetic field can be categorized as AC and DC fields. To couduct experiments, AC filed changes frequency, and DC field changes the final intensity of magnetice field. We use the bond-orientation correlation function, FFT, and Delaunay triangulation plots of the images to analyze the data which is obtained from experiments. Through digital image processing techniques, we can also determine positions, displacements,and average speed of magnetic columns to undersand the two-dimensional ordering processes, while applying megnetic fields.
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Finite temperature effects in magnetic materials model and ab initio studies /Wysocki, Aleksander L. January 2009 (has links)
Thesis (Ph.D.)--University of Nebraska-Lincoln, 2009. / Title from title screen (site viewed March 2, 2010). PDF text: 108 p. : col. ill. ; 2 Mb. UMI publication number: AAT 3386605. Includes bibliographical references. Also available in microfilm and microfiche formats.
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Design of a self-saturating magnetic amplifier utilizing high frequency excitationPerkins, Brayton Mills, 1924- January 1956 (has links)
No description available.
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Minimum power controller design of a magnetic bearingCheung, Sing Nan, 1946- January 1974 (has links)
No description available.
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A passive secondary suspension for a magnetically levitated vehicle /Guillemette, Raymond January 1977 (has links)
No description available.
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Magnetic separation of strongly magnetic particles using alternating fieldGoodluck, Olufemi W. (Olufemi Waheed) January 1986 (has links)
No description available.
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| 20 |
Local moment exchange in lead-tin telluride alloys containing manganeseMorris, Anne Patricia. January 1979 (has links)
No description available.
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