Primary radiator for circularly polarized wave

Details Primary radiator for circularly polarized wave Primary radiator for circularly polarized wave

1985-12-31

1987-08-11

Wise, Robert E.

Communications: radio wave antennas

Antennas

Wave guide type

343756, 343783, 333 21A, G01S 108, H04B 719

Patent

active

046865373

ABSTRACT:
A primary radiator for circularly polarized wave in accordance with the present invention is equipped with conductor projections along the inner wall of the horn antenna in order to convert linearly polarized wave to circularly polarized wave within the horn antenna, without adapting the prior art generator of circularly polarized wave. Consequently, it becomes possible to reduce the axial length and the overall size of the radiator. Moreover, the conductor projections are constructed with their edge sections on the aperture end side of the horn antenna sloping down along the inner wall of the horn antenna, so that generation of higher order modes can be suppressed and a satisfactory directivity can be obtained.

REFERENCES:
patent: 4141013 (1979-02-01), Crail et al.
patent: 4523160 (1985-06-01), Ploussios
IEEE Transactions on Microwave Theory and Techniques, "Circular Polarizers of Fixed Bandwidth", J. R. Pyle, Sep. 1984, pp. 557-559.

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