Subwavelength monopulse antenna

Details Subwavelength monopulse antenna Subwavelength monopulse antenna

1977-12-14

1979-04-03

Lieberman, Eli

Communications: radio wave antennas

Antennas

With spaced or external radio wave refractor

343777, 343786, H01Q 1302

Patent

active

041480350

ABSTRACT:
A sum channel waveguide is excited in a TE.sub.11 mode to cause a radio frequency wave to propagate therefrom through a cylindrical multimode waveguide. The wave propagates via a discontinuity that causes the multimode waveguide to be excited in the TE.sub.11 mode and higher order modes. The multimode waveguide is coupled to free space via a dielectric lens and a cup shaped matching section, whereby the wave causes a beam to be radiated from the lens. The cavity of the multimode waveguide is contiguous with a plurality of arcuate cavities of a difference channel waveguide. The beam is deflected in response to excitation of the arcuate cavities.

REFERENCES:
patent: 3906508 (1975-09-01), Foldes

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