Optical phase array radar

Details Optical phase array radar Optical phase array radar

1984-06-11

1986-10-28

Blum, Theodore M.

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

With particular circuit

For frequency modulation

342368, G01S 1300

Patent

active

046201939

ABSTRACT:
In an optically controlled phased array radar control information in the form of microwave frequency modulation of an optical carrier is transmitted by optical waveguide from a central processor to each of the antenna elements. Phase shifts introduced by each of the individual waveguides are then monitored to provide a compensation signal used either to regulate the phase shift or to offset the phase of the modulation applied to the waveguide at the central processor end.

REFERENCES:
patent: 3878520 (1975-04-01), Wright et al.
patent: 4028702 (1977-06-01), Levine
patent: 4258363 (1981-03-01), Bodmer et al.
Levine: "Use of Fiber Optic Frequency and Phase Determining Elements in Radar", 6/1/79, pp. 436-443, Conference Proc. of 33rd Symposium on Frequency Control.
Dillard: "Radar Signal Processing Using Fiber and Integrated Optics", 10/28/77, Conference: Radar, 1977, pp. 363-367.

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