Propagation constant of HE mode near the cutoff frequency in a circular waveguide (Articolo in rivista)

Type
Label
  • Propagation constant of HE mode near the cutoff frequency in a circular waveguide (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1109/LMWC.2006.873447 (literal)
Alternative label
  • D. Rovetta; A. V. Bosisio,;G. Drufuca (2006)
    Propagation constant of HE mode near the cutoff frequency in a circular waveguide
    in IEEE microwave and wireless components letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • D. Rovetta; A. V. Bosisio,;G. Drufuca (literal)
Pagina inizio
  • 314 (literal)
Pagina fine
  • 316 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://ieeexplore.ieee.org/ (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 16 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 3 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 5 (literal)
Note
  • Scopu (literal)
  • Google Scholar (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento di Elettronica e Informazione - Politecnico di Milano; CNR\IEIIT - Istituto di Elettronica e di Ingegneria dell'Informazione e delle Telecomunicazioni; Dipartimento di Elettronica e Informazione - Politecnico di Milano; (literal)
Titolo
  • Propagation constant of HE mode near the cutoff frequency in a circular waveguide (literal)
Abstract
  • In this letter, the propagation characteristics of normal mode near the cutoff region of a circular waveguide surrounded by a medium of finite conductivity and given permeability is discussed. Several real-time applications require an accurate solution of the characteristic equation at low computational cost. A fast computed approximate solution for external medium with infinite conductivity is available but inaccurate in the cutoff region. Besides, field solvers and other numerical techniques give a precise solution in the whole frequency range, but unacceptable computational time. The proposed solution is derived by a perturbation approach once the characteristic equation has been expanded. A comparison between computed and exact values shows that the approximate solution is quite good for a wide range of conductivity and permeability values of the external medium. (literal)
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