Phased array antenna with temperature compensating capability

Details Phased array antenna with temperature compensating capability Phased array antenna with temperature compensating capability

1990-09-11

1991-12-10

Issing, Gregory C.

Communications: directive radio wave systems and devices (e.g.,

Directive

Including antenna pattern plotting

342371, H01Q 300, H01Q 322

Patent

active

050722280

ABSTRACT:
A phased array antenna having digital pulse shifters, which compensates for changes in characteristics caused by temperature variations. Each shifter is associated with a radiating element. A CPU calculates by simple processing the phase error of a high frequency signal radiated from each radiating element. A correcting amount is also computed by the CPU, which adds the correcting amount to a phase control signal associated with the radiating element of interest. This successfully maintains the phase plane of a phase array antenna, including its characteristics, such as beam shape and direction and side lobe level. Temperature variations have little or no effect on the antenna.

REFERENCES:
patent: H173 (1986-12-01), Claborn et al.
patent: 3999182 (1976-12-01), Moeller et al.
patent: 4308539 (1981-12-01), Birch
patent: 4536766 (1985-08-01), Frazita
patent: 4926186 (1990-05-01), Kelly et al.

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