Compact waveguide horn antenna and method of manufacture

Details Compact waveguide horn antenna and method of manufacture Compact waveguide horn antenna and method of manufacture

1998-05-19

2000-08-01

Wong, Don

Communications: radio wave antennas

Antennas

Antenna with parasitic reflector

343775, 343786, H01Q 1912

Patent

active

06097348&

ABSTRACT:
A parabolic rectangular horn antenna includes a source aperture, a parabolic reflector, and an output aperture. The source aperture has a first port for receiving a planar wavefront signal and a second port for providing a substantially cylindrical wavefront signal. The parabolic reflector is positioned within the horn to receive the cylindrical wavefront signal, transforming it to a substantially planar wavefront signal at a predefined location. The output aperture is positioned at the predefined location and outputs the substantially planar wavefront signal. Corrugations are adjacently placed at both sides of the output aperture to optimize the antenna beam pattern.

REFERENCES:
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patent: 4607260 (1986-08-01), Dragone
patent: 4903038 (1990-02-01), Massey
patent: 5576721 (1996-11-01), Hwang et al.
"Radiation Pattern Analysis of Coaxial Cavity Feed Horn," Chang-Sik Kim and Allen W. Rhoden, 1986 APS Proceedings, pp. 95-98.

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