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A Study of Time-Domain and Frequency- Domain Techniques in Electromagnetics

Raji A. Abimbola. Published in Applied Sciences.

Communications on Applied Electronics
Year of Publication: 2017
Publisher: Foundation of Computer Science (FCS), NY, USA
Authors: Raji A. Abimbola
10.5120/cae2017652713

Raji A Abimbola. A Study of Time-Domain and Frequency- Domain Techniques in Electromagnetics. Communications on Applied Electronics 7(9):14-18, November 2017. BibTeX

@article{10.5120/cae2017652713,
	author = {Raji A. Abimbola},
	title = {A Study of Time-Domain and Frequency- Domain Techniques in Electromagnetics},
	journal = {Communications on Applied Electronics},
	issue_date = {November 2017},
	volume = {7},
	number = {9},
	month = {Nov},
	year = {2017},
	issn = {2394-4714},
	pages = {14-18},
	numpages = {5},
	url = {http://www.caeaccess.org/archives/volume7/number9/776-2017652713},
	doi = {10.5120/cae2017652713},
	publisher = {Foundation of Computer Science (FCS), NY, USA},
	address = {New York, USA}
}

Abstract

Before the advent of digital computer, analytical techniques were used for determining idealized solutions of electromagnetic problems, most especially problems of simple geometry or design. When the size of the problem becomes large that the analytical technique is unable to yield solutions of desired accuracy, approximate solutions are sought by using digital computer and numerical technique. This paper examines various numerical techniques suitable for solving electromagnetic problems. It is emphasized in the paper, the strengths and weaknesses of these techniques in tackling a particular problem. Because of the significance of retarded potentials in formulating integral equations that are solved by method of moment technique, effort is also geared towards deriving expressions for these potentials when sources are constrained to the axis, surface and volume of the conducting body.

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Keywords

Analytic technique, frequency domain technique, method of moments and time domain technique.