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Miniature missile-borne active laser seeker and guiding method thereof

A laser-guided and active technology, applied in the field of laser seekers, can solve the problems of difficult mass production, low detection accuracy, high price, etc., and achieve the effects of low cost, high detection accuracy and simple structure

Pending Publication Date: 2022-05-10
西安恒宇众科空间技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The traditional laser seeker mainly uses a four-quadrant PIN laser detector, its detection accuracy is low, and there are gaps between each quadrant, so there is a detection blind spot
Not suitable for detecting small spots, non-uniform and asymmetric spots
And its mass production is difficult and expensive

Method used

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  • Miniature missile-borne active laser seeker and guiding method thereof
  • Miniature missile-borne active laser seeker and guiding method thereof
  • Miniature missile-borne active laser seeker and guiding method thereof

Examples

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Embodiment

[0070] A miniature missile-borne active laser guidance method of the present invention has a loading target size of 400mm*400mm, a missile-borne camera lens focal length of 12mm, a resolution of 640*512, a field of view of 30°, and a frame rate of 30FPS. When the bomb is 150 meters away from the target, start the image processing module. At this time, the size S of the target in the image is about 32 pixels. First, it is necessary to perform Gaussian filtering on the first frame of image collected to complete the image preprocessing operation, and the size of the filtering template is 3*3. The preprocessed image is segmented based on the gray threshold, and the threshold is set to 250. Morphological processing is performed after image segmentation, and the morphological processing uses a 3*3 template for closed operation processing. Connected domain processing is performed on the image after morphological processing, and 5 suspected target regions are calculated, and the area...

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PUM

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Abstract

The invention discloses a miniature missile-borne active laser seeker and a guiding method thereof, the miniature missile-borne active laser seeker comprises a bullet-shaped seeker shell, the head of the seeker shell is provided with an infrared camera, and the infrared camera is connected with an image processing module; the image processing module is positioned in the center of the seeker shell; a group of striking modules are symmetrically mounted on the seeker shell; and the image processing module and the striking module are respectively and wirelessly connected with the main control system. The miniature missile-borne laser seeker is simple in structure, low in manufacturing cost and convenient to assemble; in the actual production and assembly process, the shell can be well assembled with the bullet main body through the buckles and the screws; the identification precision is effectively improved by utilizing the indication of the laser indicator and combining the size of the binding target and the distance between the bullet and the target, and the target striking precision is improved.

Description

technical field [0001] The invention belongs to the technical field of laser seekers, in particular to a miniature missile-borne active laser seeker, and also relates to the miniature missile-borne active laser guidance method. Background technique [0002] The laser seeker is a device that uses the laser diffusely reflected by the target to automatically search and track the target. At the same time, it outputs the line-of-sight angular velocity of the target relative to the projectile, and transmits it to the main control system of the projectile to assist the main control system to complete the target strike. [0003] Traditional laser seekers mainly use four-quadrant PIN laser detectors, which have low detection accuracy and gaps between each quadrant, so there are detection blind spots. Not suitable for detecting small, non-uniform and asymmetrical spots. And its mass production is difficult and expensive. Contents of the invention [0004] The purpose of the presen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F42B15/01G06T5/00G06T7/11G06T7/136G06T7/187G06T7/62G06T7/66
CPCF42B15/01G06T7/11G06T7/136G06T7/187G06T7/62G06T7/66G06T2207/10048G06T5/70
Inventor 赵伟伟陈昊明李雷刚王伟狄立杰
Owner 西安恒宇众科空间技术有限公司
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