ELECTRO-OPTIC SYSTEM FOR CROSSWIND MEASUREMENT
First Claim
1. A system encased in a housing comprising:
- an optical transmitter;
an optical receiver;
a display device; and
a processor controller programmed to;
receive signals from the optical receiver that are representative of light transmitted by the optical transmitter and scattered back from a target,process the received signals to measure;
a range to the target, a frequency of signal fluctuations, and a refractive index structure parameter,calculate a path-weighted average crosswind and an offset aim point based on the range, the frequency and the refractive index structure parameter,wherein the offset aim point is displayed to a user via the display device.
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Accused Products
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 in either the time-domain or the frequency-domain 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, or projected onto the direct view optics (DVO) of a riflescope so as to be overlaid in real-time on the optical image of the target.
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Citations
14 Claims
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1. A system encased in a housing comprising:
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an optical transmitter; an optical receiver; a display device; and a processor controller programmed to; receive signals from the optical receiver that are representative of light transmitted by the optical transmitter and scattered back from a target, process the received signals to measure;
a range to the target, a frequency of signal fluctuations, and a refractive index structure parameter,calculate a path-weighted average crosswind and an offset aim point based on the range, the frequency and the refractive index structure parameter, wherein the offset aim point is displayed to a user via the display device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification