Laser guidance is a technique of guiding a missile or other projectile or vehicle to a target by means of a laser beam. Some laser guided systems utilise
beam riding guidance, but most operate more similarly to
semi-active radar homing (SARH). This technique is sometimes called SALH, for Semi-Active Laser Homing. With this technique, a
laser is kept pointed at the target and the laser radiation bounces off the target and is scattered in all directions. The missile, bomb, etc. is launched or dropped somewhere near the target. When it is close enough that some of the reflected laser energy from the target reaches it, a laser seeker notices which direction this energy is coming from and aims the projectile towards the source. As long as the projectile is in the right general area and the laser is kept aimed at the target, the projectile should be guided accurately to the target.
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A device based on a direction sensitive receiver which detects the energy reflected from a laser designated target and defines the direction of the target relative to the receiver. See also laser guided weapon. 1/8/79
Appareil basé sur un récepteur sensible à la direction qui détecte l'énergie réfléchie à partir d'un objectif désigné par laser, et définit la direction de l'objectif par rapport au récepteur. Voir aussi arme guidée par laser. 1/8/79
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