Electro-optic system for crosswind measurement
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United States of America Patent
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Sep 8, 2015
Grant Date -
Jun 25, 2015
app pub date -
Dec 24, 2013
filing date -
Dec 24, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An electro-optic system, e.g., mounted to a weapon, measures down range winds and a range-to-target for compensating the ballistic hit point. The system may include an optical light source, collimated to generate a laser spot on the target. The system may include a wind measurement receiver that captures laser light scattered from the target. The captured light may be modulated by atmospheric scintillation eddies, producing optical patterns which change in time and move with the crosswind. These patterns may be analyzed by a processor using covariance techniques to determine path-integrated crosswinds and associated errors. Ranging is done by measuring the time of flight of the laser pulse to the target collecting the scattered signal from the target. Compensated ballistic hit point, measurement errors and other data may be displayed on a micro-display digital eyepiece, overlaid on the real-time image of the target.
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International Classification(s)
- H01L:SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICE....
- G01J:MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTE....
- F41G:WEAPON SIGHTS; AIMING
- G06F:ELECTRIC DIGITAL DATA PROCESSING
- G01P:MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, D....
- G01C:MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING....
- G06G:ANALOGUE COMPUTERS
- G01W:METEOROLOGY
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