Honeycomb cross-polarized load

Details Honeycomb cross-polarized load Honeycomb cross-polarized load

1991-10-28

1994-05-10

Hille, Rolf

Communications: radio wave antennas

Antennas

Slot type

343841, H01Q 1310

Patent

active

053111990

ABSTRACT:
An impregnated carbon film expanded into a honeycomb structure is employed in a tapered notch phased array antenna and is used to absorb cross-polarized incident fields to reduce the reflections from shorted TEM parallel plate modes existing between radiator elements of the antenna. The carbon loading used to achieve this absorption may comprise a resistive taper, or analog circuit or anisotropic elements having a predetermined tapering resistive profile. The honeycomb cross-polarized load of the present invention provides the electrical performance necessary to meet tapered notch phased array antenna electrical requirements while reducing the weight and cost of antennas in which it is employed.

REFERENCES:
patent: 2078302 (1937-04-01), Wolff
patent: 2717312 (1955-09-01), Taylor
patent: 4085326 (1978-04-01), Williams
patent: 4697190 (1987-09-01), Oswald
patent: 4978965 (1990-12-01), Mohuchy

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