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  • The paper deals with the broadband modeling of microwave structures by finite-element methods. The attention is turned to original enhancements of accuracy, efficiency and stability of finite-element codes. The partial improvements are based on novel approximations both in the spatial domain and in the time one, in the adoption of complex frequency hopping, fast frequency sweep and envelope finite-element techniques. In the paper, a possible hybridization of approaches is discussed. Proposed finite-eleement schemes are applied to the analysis of canonical longitudinally homogeneous transmission lines in order to demonstrate their advantages.
  • The paper deals with the broadband modeling of microwave structures by finite-element methods. The attention is turned to original enhancements of accuracy, efficiency and stability of finite-element codes. The partial improvements are based on novel approximations both in the spatial domain and in the time one, in the adoption of complex frequency hopping, fast frequency sweep and envelope finite-element techniques. In the paper, a possible hybridization of approaches is discussed. Proposed finite-eleement schemes are applied to the analysis of canonical longitudinally homogeneous transmission lines in order to demonstrate their advantages. (en)
  • Článek popisuje širopásmové modelování mikrovlnných struktur metodami konečných prvků. Pozornost je soustředěna na původní vylepšení přesnosti, efektivnosti a stability konečně-prvkových kódů. Zlepšení jsou založena na nových metodách aproximace prostorových i časových průběhů veličin, na využití konceptu přeskakování komplexního kmitočtu, na rychlém kmitočtovém rozmítání obálkových konečných prvcích. V článku se rovněž zabýváme možnou hybridizací metod. Navržená konečně-prvková schémata jsou aplikovánaa na analýzu kanonických podélně homogenních přenosových vedení. (cs)
Title
  • Broadband analysis of microwave structures by enhanced finite-element methods
  • Broadband analysis of microwave structures by enhanced finite-element methods (en)
  • Širokopásmová analýza mikrovlnných struktur vylepšenými metodami konečných prvků (cs)
skos:prefLabel
  • Broadband analysis of microwave structures by enhanced finite-element methods
  • Broadband analysis of microwave structures by enhanced finite-element methods (en)
  • Širokopásmová analýza mikrovlnných struktur vylepšenými metodami konečných prvků (cs)
skos:notation
  • RIV/00216305:26220/05:PU51269!RIV06-GA0-26220___
http://linked.open.../vavai/riv/strany
  • 48-57
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA102/04/1079), P(GD102/03/H086), Z(MSM0021630513)
http://linked.open...iv/cisloPeriodika
  • 4
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 514196
http://linked.open...ai/riv/idVysledku
  • RIV/00216305:26220/05:PU51269
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Finite-element method, broadband modeling, time domain modeling, complex frequency hopping, envelope finite elements, fast frequency sweep. (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [06AF722B90CA]
http://linked.open...i/riv/nazevZdroje
  • Radioengineering
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 14
http://linked.open...iv/tvurceVysledku
  • Raida, Zbyněk
  • Motl, Milan
http://linked.open...n/vavai/riv/zamer
issn
  • 1210-2512
number of pages
http://localhost/t...ganizacniJednotka
  • 26220
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