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Infrared multi-target threat sequencing method based on equivalent evaluation factors

A technology of evaluating factors and sorting methods, which is applied in the field of infrared multi-target threat ranking of effective evaluation factors, can solve the problems of inaccurate identification and difficult identification of multiple targets, and achieves reduction of inaccuracy, elimination of conversion process, and good real-time performance. Effect

Active Publication Date: 2017-05-10
PEOPLES LIBERATION ARMY ORDNANCE ENG COLLEGE
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Problems solved by technology

[0005] The purpose of the present invention is to provide an infrared multi-target threat sorting method based on equivalent evaluation factors to solve the problem of difficult identification and inaccurate identification of multiple targets in the infrared system, thereby improving the performance of the infrared system in key target identification and extraction. Effects in application

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  • Infrared multi-target threat sequencing method based on equivalent evaluation factors
  • Infrared multi-target threat sequencing method based on equivalent evaluation factors
  • Infrared multi-target threat sequencing method based on equivalent evaluation factors

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Embodiment Construction

[0040] The equivalent evaluation factors selected by the present invention are mainly parameters that can be directly obtained in the infrared system to characterize the flight state of the target. For example, the distance equivalent factor can be characterized by the gray value of the target in the infrared system, and the radial velocity equivalent factor can be characterized by the The gray scale change rate of the target in the system can be represented, the tangential velocity can be represented by the moving speed of the target on the image plane in the infrared system, and the high-low angle equivalent factor can be represented by the position information of the target in the infrared system on the image plane. At the same time, in order to better distinguish each target, the threat membership function of different equivalent evaluation factors is different, and according to the difference of equivalent evaluation factors, the weight of each index is determined by the le...

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Abstract

The invention relates to an infrared multi-target threat sequencing method based on equivalent evaluation factors. The method comprises the steps that a, threat indexes of targets in an infrared system are selected, and fuzzy membership is calculated; b, a contrast matrix of multiple equivalent evaluation factors is constructed for each target; c, evaluation values of the n equivalent evaluation factors for each target are solved according to the optimal constraint planning principle of least squares; d, an entropy method is utilized to finally determine and calculate entropy weights of all the equivalent evaluation factors in an evaluation system; e, threat degrees of the targets in the threat evaluation system of the infrared system are calculated and evaluated, sequencing is performed, and attention is paid to the targets with higher threat degrees. According to the method, evaluation can be directly performed through actual parameters acquired by the infrared system, and therefore rapidity of target threat evaluation is improved; threat index weights are adjusted according to the motion states of the targets, so that inaccuracy brought by subjective judgment is lowered, and application of the infrared system to extraction, discrimination and other aspects of emphasized targets is further strengthened.

Description

technical field [0001] The invention relates to a data processing method based on actual parameters of an infrared system, in particular to an infrared multi-target threat sorting method based on an equivalent evaluation factor. Background technique [0002] At present, the research on threat assessment technology mostly uses radar as the carrier, and uses various air flight parameters obtained by radar as a reference, including flight speed, heading, target type, etc., to conduct threat assessment on the measured target, which has a good effect. Among them, multi-attribute decision-making method, fuzzy logic method, Bayesian network and other methods, and analytic hierarchy process have good evaluation results. [0003] When the above method is applied in practice, it is difficult to ensure that all required threat indicators can be obtained, so the fuzziness of information needs to be considered. However, the artificial comparison and weighting in the traditional AHP has ...

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Application Information

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IPC IPC(8): G06F19/00G01J5/00
CPCG01J5/00G01J2005/0077G16Z99/00
Inventor 黄富瑜周冰张帅李刚沈学举徐春梅华文深应家驹陈玉丹刘杰鲁军任宏岩
Owner PEOPLES LIBERATION ARMY ORDNANCE ENG COLLEGE
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