Method and apparatus for detecting distance and forming image of

Details Method and apparatus for detecting distance and forming image of Method and apparatus for detecting distance and forming image of

1985-06-12

1988-01-05

Hix, L. T.

Optics: measuring and testing

Range or remote distance finding

With photodetection

342 22, G01C 308

Patent

active

047172525

ABSTRACT:
A method and system is used for detecting the presence of measuring the distance to and producing an image of, objects which, while being strongly absorbing or reflecting themselves, are hid from sight in a medium which is strongly dampening due to light dispersion, such as submersed submarines. The method provides, in addition to detecting the reflection from the surface of the object, a full acquisition of the variation of the backscatter of scanning laser pulses by the medium surrounding the object, with laser pulse transmitters operating with a much larger pulse duration, being usable for this purpose.

REFERENCES:
patent: 4139847 (1979-02-01), Shimzu et al.
patent: 4289397 (1981-09-01), Itzkan et al.

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