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Journals and Conferences
Special discretely defined T-functions for exact numerical solution of the boundary problem for irregular waveguides as electrodynamics system of gyrotrons or slow wave structures of relativistic TWT including beyond-cutoff waves-are proposed.
Using block-matrix sweep techniques of numerical modeling the influence of ohmic losses in the waveguide walls have been investigated. The absence of agreement with the second order periodic condition for EM field distribution in the longitudinally-periodic waveguide with lossy walls is shown.
We investigated the general characteristics of waveguide-filter on the basis of corrugated waveguide calculation technique with the use of T-functions. Single-mode operation is obtained in waveguide by setting the radius and signal operating frequencies.
Special discretely defined T-functions for the exact numerical solution of the boundary problem for irregular waveguides with regard to beyond-cutoff waves are proposed.
Calculations and analysis of nonconverting taper for circular waveguide with operating TE/sub 01/ mode are presented. Calculations are carried out on the basis of discretely defined T-functions. The results obtained were checked by alternative method of finite elements which is incorporated in widely spread program.
Presented in this paper is calculation and optimization of TE/sub On/ modes using T-functions. Reliability of numerical results obtained, was checked at power conservation. In every case power conservation upsets were less than 2%.
The most efficient procedure for calculating irregular waveguides, both in terms of computing and physical interpretation, is a technique based on mapping a randomly irregular interior of a waveguide onto a regular cylinder, a coax, etc., having a circular or rectangular cross-section. Handling this problem by traditional techniques does not involve any… (More)
The synthesis of gyrotron resonator structures operating in H/sub 0i/ modes is presented on the basis of the T-function theory and the technique for exact multimode calculations of irregular waveguides. These structures provide optimal distribution for two types of fields: unimodal and multi-extreme (multistage resonator). Exact conformity between… (More)