NDLI: Principles of the electromagnetic modelling of som microwave components, based on the circular waveguides with azimuthally magnetized ferrite

Content Provider	IEEE Xplore Digital Library
Author	Georgiev, G.N. Georgieva-Grosse, M.N.
Copyright Year	2010
Description	Author affiliation: Faculty of Mathematics and Informatics, University of Veliko Tirnovo “St. St. Cyril and Methodius”, BG-5000 Veliko Tirnovo, Bulgaria (Georgiev, G.N.) \|\| 2, Tcherny vrikh Str., BG-5138 Polikraishte, Bulgaria (Georgieva-Grosse, M.N.)
Abstract	The principles of electrodynamic analysis of the characteristics of the ferrite control components (nonreciprocal digital phase shifters, cut-off switches and isolators) which use circular waveguides, entirely filled with azimuthally magnetized ferrite or containing a coaxial disc- or ring-shaped area of the medium alluded to and a dielectric one, surrounding it or taking up its hollow, resp., and work in the normal TE01 mode, are enunciated: i) employment of complex confluent hypergeometric and eventually also of real cylindrical functions; ii) indispensability of inventing of numerical methods for evaluation of some special functions of the mathematical physics: the Euler gamma function, its logarithmic derivative and the confluent functions in the complex field, as well as of the cylindrical ones in the real domain; iii) elaboration of techniques for numerical solution of complicated transcendental equations, involving complex confluent and possibly real cylindrical functions, too; iv) introduction of a new class of real numbers, called L numbers, connected with the purely imaginary roots of the equations mentioned; v) development of numerical schemes for computation of the phase curves of geometries regarded and of iterative procedures for finding the differential phase shift provided by them; vi) laying down of criteria for the operation of configurations as phase shifters, magnetically controlled cut-off switches and isolators. Each of the maxims pointed out is elucidated in detail.
Starting Page	1
Ending Page	6
File Size	267952
Page Count	6
File Format	PDF
ISBN	9781424456130
ISSN	21555753
e-ISBN	9781424456147
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-16
Publisher Place	Lithuania
Access Restriction	Subscribed
Rights Holder	Geozondas Co.
Subject Keyword	Boundary value problems numerical methods transcendental equations Electromagnetic waveguides ferrite control components Dielectrics Equations Physics electromagnetic modelling computational electromagnetics L numbers Ferrites Geometry propagation Mathematical model circular waveguides special functions
Content Type	Text
Resource Type	Article

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