Wide beam microstrip radiator

Details Wide beam microstrip radiator Wide beam microstrip radiator

1976-02-17

1977-09-27

Lieberman, Eli

Communications: radio wave antennas

Antennas

Microstrip

343846, H01Q 138

Patent

active

040514773

ABSTRACT:
A radio frequency antenna structure is disclosed wherein a raised pedestal portion of the ground plane surface is provided and above which pedestal portion a microstrip radiator is disposed. The microstrip radiator is thus disposed on a pedestal at a predetermined distance above the base ground plane to produce mirror image or apparent radiating aperture(s) therebelow. The combined radiation pattern from the real radiating aperture(s) and the mirrored image(s) thereof produces an increase in radiation power at low pointing angles located near the ground plane, thus producing a wider radiation beam without sacrificing radiation efficiency. This form of raised pedestal microstrip radiator is especially useful in phased arrays where it is desired to steer the beam of the array to angles near the ground plane itself.

REFERENCES:
patent: 3541557 (1970-11-01), Miley
patent: 3710338 (1973-01-01), Munson
patent: 3739386 (1973-06-01), Jones

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