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Asymptotic and Numerical Algorithms in Applied Electromagnetism


Abstract Asymptotic and Numerical methods are popular in applied electromagnetism. In this work, the two methods are applied for collimated antennas and calibration targets, respectively. As an asymptotic method, the diffracted Gaussian beam approach (DGBA) is developed for design and simulation of collimated multi-reflector antenna systems, based upon Huygens principle and independent Gaussian beam expansion, referred to as the frames. To simulate a reflector antenna in hundreds to thousands of wavelength, it requires 1E7 - 1E9 independent Gaussian beams. To this end, high performance parallel computing is implemented, based on Message Passing Interface (MPI). The second part of the dissertation includes the plane wave scattering from a target cons... (more)
Created Date 2012
Contributor Wang, Le (Author) / Pan, George (Advisor) / Yu, Hongyu (Committee member) / Aberle, James (Committee member) / Diaz, Rodolfo (Committee member) / Kitchen, Jennifer (Committee member) / Arizona State University (Publisher)
Subject Electromagnetics / Calibration target / Coifman wavelets / Gaussian beam / method of moments / parallel computing
Type Doctoral Dissertation
Extent 115 pages
Language English
Copyright
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Note Ph.D. Electrical Engineering 2012
Collaborating Institutions Graduate College / ASU Library
Additional Formats MODS / OAI Dublin Core / RIS


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Description Dissertation/Thesis