Radar systems

Details Radar systems Radar systems

1979-09-19

1981-02-24

Tubbesing, T. H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

G01S 1389

Patent

active

042530989

ABSTRACT:
A synthetic aperture radar system is provided in which the receive beam is controlled as to its directivity so that it moves over a required swathe in accordance with the direction of reflection of an interrogating radar pulse over that swathe. In a specific example a receiving array of linear feeds has its outputs connected to respective variable phase shifters which are controlled in dependence upon the predicted relationship between the direction from which reflected energy due to a transmitted pulse will be received and the time elapsed from the transmission of said pulse. The outputs from the variable phase shifters are combined and applied to a receiver.

REFERENCES:
patent: 3007155 (1961-10-01), Petrides et al.
patent: 3296579 (1967-01-01), Farr et al.

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