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"
Unusual Radiation Characteristics in Vacuum and in Some Anisotropic Media
"
Document Type
:
Latin Dissertation
Language of Document
:
English
Record Number
:
151599
Doc. No
:
ET23391
Main Entry
:
XU Bai Yu
Title Proper
:
Unusual Radiation Characteristics in Vacuum and in Some Anisotropic Media
Note
:
This document is digital این مدرک بصورت الکترونیکی می باشد
Abstract
:
This thesis investigates the unusual radial dependence of electromagnetic (ELI)radiation transmitted by a localized source. Three related topics are studied asfollows.EM missiles - The retarded solution to the inhomogeneous wave equation inelectrodynamics is studied with a purpose to understand Wu's missile and sub-sequently the radial dependence of energy transmitted by transient sources. Thefinite rate of change of the source current is shown to imply the inverse-square lawat a sufficient1~- large distance. the region of which is determined by the minimumscale time t , of the current and may be called the (generalized) Fraunhofer region.11-ith a uniform disk source. the electric field on the symmetry axis for a wide rangeis shown equal to the difference of the current a t two times. Hence examples withanal!-tic results are given to demonstrate clearly how the pulse energy decreasesivitli distance a t a much slower rate in the (generalized) Fresnel region and how.....-....,....-...,..tested for theQ1 PC1 bus cardBoth these projects mere sofixare des elopment efforts tonards contributing to dlfferentaspects of Roboucs and lZ1echatronics projects m the Controls and Roboucs Group..
Subject
:
Electericl tess
:
برق
electronic file name
:
TL46630.pdf
Title and statement of responsibility and
:
Unusual Radiation Characteristics in Vacuum and in Some Anisotropic Media [Thesis]
http://localhost/site/catalogue/151599
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TL46630.pdf
TL46630.pdf
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