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

A. A.  Lyakhovsky; L. P. Yatsuk; A. F.  Lyakhovsky

doi:10.1615/RadioPhysicsRadioAstronomy.v1.i4.100

Radio Physics and Radio Astronomy

Главный редактор: Leonid M. Lytvynenko (open in a new tab)

Заместитель главного редактораs: Alexandr A. Konovalenko (open in a new tab) Valery M. Shulga (open in a new tab) Alexei A. Kostenko (open in a new tab)

Выходит 4 номеров в год

ISSN Печать: 2152-274X

ISSN Онлайн: 2152-2758

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

Том 1, Выпуск 4, 2010, pp. 351-358

DOI: 10.1615/RadioPhysicsRadioAstronomy.v1.i4.100

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A. A. Lyakhovsky
V. Karazin National University of Kharkiv, 4, Svoboda Square, Kharkiv, 61077, Ukraine

L. P. Yatsuk
V. Karazin National University of Kharkov, 4, Svoboda Square, Kharkov 61077, Ukraine

A. F. Lyakhovsky
V. Karazin National University of Kharkiv, 4, Svoboda Square, Kharkiv, 61077, Ukraine

Краткое описание

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.

Ключевые слова: waveguide, dielectric layer, slotted-waveguide array, antenna gain, scanning

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