Device for accurately identifying semi-active laser target azimuth

Abstract

The invention relates to a device for accurately identifying the semi-active laser target azimuth, which belongs to the technical field of laser. The device comprises an optical system and an array detection system, wherein the optical system comprises a concavo-convex lens, a biconvex lens, a first convex-concave lens and a second convex-concave lens; the four lenses are coaxial; the array detector is positioned on a focal plane of combined focal length of the four lenses; the center of a detection surface of the array detector is positioned on optical axes of the four lenses; optical energyis focused on the array detector through the optical system; the array detector is used for converting the received optical signal into an electrical signal; and the optical system is used for ensuring that light with different angles is incident to corresponding pixel positions according to difference of performance parameters of the array detector. According to the device disclosed by the invention, the aim that reflection lasers with different angles have signal response at corresponding positions of the array detector is achieved by using the design of the optical system and the selectionof the array detector, thereby the accurate identification of the target azimuth is achieved; and the device is applied to military affairs so as to improve accurate strike capability of a weapon system.

Description

technical field [0001] The invention relates to a semi-active laser target orientation accurate recognition device, which belongs to the field of laser technology. Background technique [0002] Semi-active laser systems are widely used in the military field, such as semi-active laser guidance or semi-active laser fuze. The whole system consists of two parts, the laser target irradiator and the semi-active receiving system, in which the laser target irradiator can be placed on the ground, vehicle-mounted, ship-borne or airborne and other weapon system platforms to ensure stable irradiation of the attack target; the semi-active receiving system The active receiving system is placed at the front end of the projectile (missile, conventional ammunition, etc.), receives the reflected laser signal from the target, determines the orientation information of the target through the optical system and array detector, and drives the actuator to continuously correct the course until it hi...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the four-quadrant detector used in the semi-active laser receiving system has a low recognition accuracy of the target orientation information in the prior art, and propose a semi-active laser target orientation accurate identification device

Images