Beam forming network for circular array antennas

Details Beam forming network for circular array antennas Beam forming network for circular array antennas

1981-09-28

1984-01-10

Lieberman, Eli

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

H01Q 336, H01Q 340, G01S 114

Patent

active

044255675

ABSTRACT:
A beam forming network for a circular array antenna includes a sum pattern network for generating signal weights corresponding to a sum antenna pattern having omnidirectional sidelobes and a difference pattern network for generating signal weights corresponding to a difference antenna pattern with omnidirectional sidelobes. Means are provided to couple energy from the difference pattern network to the sum pattern network. The signal weights are split by signal splitters and delivered in pairs to output terminals, one of which is terminated in its characteristic impedance.

REFERENCES:
patent: 3797019 (1974-03-01), Shestag et al.
patent: 3999182 (1976-12-01), Moeller et al.
patent: 4163974 (1979-08-01), Profera

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