Scanning antenna

Details Scanning antenna Scanning antenna

1988-05-02

1990-08-07

Wimer, Michael C.

Communications: radio wave antennas

Antennas

Microstrip

343769, 342368, H01Q 138, H01Q 334

Patent

active

049471783

ABSTRACT:
A novel scanning array antenna is provided with improved gain characteristic which enable a compact form to be employed. The resonant azimuthal modes of separate antenna elements are selected to satisfy certain mathematical relationships which, in effect, form a directional beam which can be steered by a relatively small number of phase shifters. An example of antenna structure is an array of circular microstrip patch in the form of concentric disks each in resonance at one of the azimuthal modes under the disk cavity.

REFERENCES:
patent: 4320402 (1982-03-01), Bowen
patent: 4329689 (1982-05-01), Yee
patent: 4414550 (1983-11-01), Tresselt
Bhattacharya et al., IEEE Trans. on Antennas and Prop., vol. AP-33, No. 6, 6/85, pp. 655-659.

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