BROADBAND ANTENNA Russian patent published in 1997 - IPC

Abstract RU 2089024 C1

FIELD: radio engineering, in particular, SHF antennas; may be used as radiation source of mirror and lens antennas. SUBSTANCE: broadband antenna comprises rectangular waveguide joined by smooth transition from rectangular waveguide to sector one. Output of transition is connected to narrow end of sector coaxial horn which wide and is aperture of antenna. Flax-convex lens facing aperture of sector coaxial horn with plane surface is positioned at output of smooth transition from rectangular waveguide to sector one. Convex surface of lens presents hyperbola convoluted along cylindrical surface. Transformation of wave H₀₁ of smooth transition to wave H₀₁ of sectorial coaxial horn takes place due to choice of lens profile. EFFECT: decreased nonuniformity of antenna radiation pattern in E plane and reduction of coefficient of standing wave across input of antenna. 9 dwg

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RU 2 089 024 C1

Authors

Vernigora V.N.

Kashubin B.T.

Logvinenko E.L.

Naumova O.K.

Sturov A.G.

Dates

1997-08-27—Published

1993-01-11—Filed