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Radio Physics and Radio Astronomy

Publication de 4  numéros par an

ISSN Imprimer: 2152-274X

ISSN En ligne: 2152-2758

A SYSTEM OF LONGITUDINAL SLOTS IN A RECTANGULAR WAVEGUIDE WITH A DIELECTRIC LAYER PARALLEL TO ITS NARROW WALLS

Volume 1, Numéro 4, 2010, pp. 351-358
DOI: 10.1615/RadioPhysicsRadioAstronomy.v1.i4.100
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RÉSUMÉ

Characteristics of a non-resonant linear slotted-waveguide array representing a system of longitudinal slots in a rectangular waveguide with a dielectric layer parallel to its narrow walls are analyzed. The case is considered where the slow wave in the waveguide is shorter than the free-space wave. The adequacy of the suggested mathematical model to real physical processes has been tested experimentally. It is shown that a slotted-waveguide array built around a waveguide with a dielectric layer proves to be more broadband than that of the same electrical length constructed on the basis of a hollow waveguide.

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