Synthetic aperture laser radar

Details Synthetic aperture laser radar Synthetic aperture laser radar

1985-05-22

1987-08-18

Arnold, Bruce Y.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356349, G03H 108, G01B 9021

Patent

active

046872817

ABSTRACT:
A synthetic aperture laser radar outputs a dual beam that overlaps at a distant object to form a moving fringe pattern. The object reflects back a return beam to the radar where a receiver makes a holographic image of the object on a photographic medium. The moving fringe pattern effectively increases the beam size that would be necessary if a stationary fringe pattern were used when the object moves across the pattern.

REFERENCES:
patent: 3572882 (1971-03-01), Neumann
patent: 3727219 (1973-04-01), Graham
patent: 3984686 (1976-10-01), Fletcher et al.
patent: 4063819 (1977-12-01), Hayes
patent: 4311383 (1982-01-01), Ohtsubo
Aleksoff, C. C., "Synthetic Interferometric Imaging Technique for Moving Objects," Applied Optics, vol. 15, No. 8, pp. 1923-1929, Aug. 1976.

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