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Measuring visibility through smokescreens


Book ID
104160147
Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
147 KB
Volume
29
Category
Article
ISSN
0030-3992

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A technique is proposed for enhancing visibility through dense fog. The technique assumes that retroreflecting elements are present in the field obscured by fog. An infrared laser beam scans the scene and the retroreflected light is focused, detected and suitably employed to obtain an instant pictur