By Mikhail V. Nesterenko, Victor A. Katrich, Yuriy M. Penkin, Sergey L. Berdnik (auth.)
Analytical and Hybrid tools within the idea of Slot-hole Coupling of Electrodynamic Volumes arose from the unique examine effects, by no means prior to released, first received by way of the authors at Karazin Kharkov nationwide collage, Ukraine.
Impetuous improvement of technical possibilities of computer for the final 20 years, and a strong set of numerical tools to be had within the arsenals of investigators have pressured the working-outs attached with the quest of analytical strategies of radiophysical difficulties backward. in spite of the fact that, at the present, in point of fact obvious that optimum use of machine calculations may be according to program of analytical tools of boundary difficulties resolution. those tools let to extend notebook use potency and in addition extend their calculation skills to unravel advanced electrodynamic problems.
The authors’ event within the improvement of analytical how to clear up the issues of diffraction of waveguide electromagnetic waves on slot coupling holes serves as a useful gizmo to readers attracted to either the sphere of theoretical electrodynamics and the sphere of sensible workings-out of multi-functional waveguide units and structures utilizing slot-coupling elements.
Topics coated during this publication are:
- problem formula and preliminary vital equations
- the averaging method
- analytical answer of the fundamental equations for a current
- induced magnetomotive forces approach for research of coupling slots in waveguides
- resonant iris with the slot arbitrary orientated in an oblong waveguide
- stepped junction of the 2 oblong waveguides with the impedance slotted iris
This e-book is meant for tutorial and commercial researchers all for Microwave ideas, in addition to complex scholars learning Radiophysics and utilized Electrodynamics.
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Extra info for Analytical and hybrid methods in the theory of slot-hole coupling of electrodynamic volumes
IEEE Trans. Microwave Theory and Tech. 9. : Coupling of waveguides through large apertures. IEEE Trans. Microwave Theory and Tech. 10. : Equivalent circuit of a narrow-wall waveguide slot coupler. IEEE Trans. Microwave Theory and Tech. 11. : A hybrid analytical technique for radiating slots in waveguide. Journal of Electromagnetic Waves and Applications. 12. : Asymptotic solution of integral equation for magnetic current in slot radiators and coupling apertures. Telecommunications and Radio Engineering.
21), J0 ≡ 0 , f [s, J0 (s)] ≡ 0 in the first approximation: ⎧ iω k ⎨ J (s) = α J1 (s) = − α sin k (L − s) sin 2k L ⎩ s H0s s sin k L + s ds −L L H0s s sin k L − s ds + sin k (L + s) s ⎫ ⎬ ⎭ . 22) As it is seen, the slot own field functions f [s, J (s)] are not involved in the current expression, which, mainly defines the slot resonant and energetic characteristics. Evidently, it is necessary to obtain the following approximations to take into account f [s, J (s)], which, however, meets sufficient mathematical difficulties.
Microwave Theory and Tech. 9. : Coupling of waveguides through large apertures. IEEE Trans. Microwave Theory and Tech. 10. : Equivalent circuit of a narrow-wall waveguide slot coupler. IEEE Trans. Microwave Theory and Tech. 11. : A hybrid analytical technique for radiating slots in waveguide. Journal of Electromagnetic Waves and Applications. 12. : Asymptotic solution of integral equation for magnetic current in slot radiators and coupling apertures. Telecommunications and Radio Engineering. 13.
Analytical and hybrid methods in the theory of slot-hole coupling of electrodynamic volumes by Mikhail V. Nesterenko, Victor A. Katrich, Yuriy M. Penkin, Sergey L. Berdnik (auth.)