CN-122015583-A - Laser weapon halation effect compensation method

CN122015583ACN 122015583 ACN122015583 ACN 122015583ACN-122015583-A

Abstract

The application discloses a laser weapon halation effect compensation method, which relates to the field of laser weapons, wherein the method comprises the steps of outputting a laser beam by using a laser weapon at a preset focal length, shooting a target object by using an imaging system to obtain a target object image, calculating to obtain at least one halation index characteristic value according to the target object image, calculating to obtain a halation index according to the halation index characteristic value, inputting the halation index into a compensation mapping model, calculating to obtain a focal length compensation amount, adjusting the focal length of the laser weapon according to the focal length compensation amount to realize halation effect compensation, realizing real-time detection and high-precision compensation of the halation effect, and improving the striking efficiency of the laser weapon.

Inventors

WANG YAN
SONG JUANJUAN
LUO MENG
TANG XU
LIANG XIAOBAO
LI QI

Assignees

四川科锐新激光科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260127

Claims (7)

1. A method of compensating for a thermal halo effect of a laser weapon, the method comprising: outputting a laser beam with a preset focal length by using a laser weapon, and shooting a target object by using an imaging system to obtain a target object image; calculating to obtain at least one characteristic value of the halation index according to the target object image, and calculating to obtain the halation index according to the characteristic value of the halation index; And inputting the halation index into a compensation mapping model, calculating to obtain a focal length compensation quantity, and adjusting the focal length of the laser weapon according to the focal length compensation quantity to realize the halation effect compensation.
2. The method of claim 1, wherein the observation path of the imaging system and the laser firing path of the laser weapon are the same optical path, or the optical axis of the imaging system is parallel to the laser beam direction of the laser weapon.
3. The method of claim 1, wherein the halation index feature comprises a first halation index feature, a second halation index feature, and a third halation index feature, The first halation index characteristic value is a halation sensitive gradient energy value of a single-frame target object image; the second halation index characteristic value is the halation sensitive frequency band energy ratio of the single-frame target object image; And the third halation index characteristic value is the halation index change trend of the continuous multi-frame target object image.
4. The method of claim 1, wherein the compensation mapping model describes a correlation of output power, strike distance, halation index, and focal length compensation amount of the laser weapon; the thermal vignetting index is input into a compensation mapping model, and the focal length compensation amount is obtained through calculation, wherein the method comprises the following steps: And inputting the halation index, the output power of the laser weapon and the striking distance into a compensation mapping model, and calculating to obtain the focal length compensation quantity.
5. The method of claim 1, wherein inputting the halation index into a compensation mapping model, calculating a focal length compensation amount and adjusting the focal length of the laser weapon according to the focal length compensation amount to achieve the halation effect compensation comprises: when the halation index is larger than a preset halation index threshold, inputting the halation index into a compensation mapping model, calculating to obtain a focal length compensation amount and adjusting the focal length of the laser weapon according to the focal length compensation amount to realize halation effect compensation, or, When the change rate of the halation index is larger than a preset change rate threshold of the halation index, inputting the halation index into a compensation mapping model, calculating to obtain focal length compensation quantity, and adjusting the focal length of the laser weapon according to the focal length compensation quantity so as to realize the halation effect compensation.
6. The method of compensating for the effects of halation of a laser weapon of claim 1, wherein adjusting the focal length of the laser weapon based on the focal length compensation amount comprises: And adjusting the focal length of the laser weapon in a stepping adjustment mode until the halation index after focal length adjustment meets the convergence condition.
7. The method of compensating for the effects of halation of a laser weapon of claim 1, further comprising: and adjusting parameters of the compensation mapping model according to the halation index to update the compensation mapping model.

Description

Laser weapon halation effect compensation method Technical Field The application relates to the field of laser weapons, in particular to a method for compensating the halation effect of a laser weapon. Background The thermal halo effect is a nonlinear effect of light beam divergence, deflection and distortion caused by refractive index change due to heating of air along the way when high-power laser is transmitted in the atmosphere, and is one of core bottlenecks for restricting the actual combat efficiency of laser weapons. In the related technology of laser weapon halation effect compensation, the method mainly comprises an adaptive optical technology and a predictive model technology based on atmospheric parameters, but the two technologies have the technical problem of low compensation precision. Disclosure of Invention The application mainly aims to provide a laser weapon halation effect compensation method, which aims to solve the technical problem of low compensation precision of the existing laser weapon halation effect compensation method. In order to achieve the above object, the present application provides a method for compensating the halation effect of a laser weapon, comprising: outputting a laser beam with a preset focal length by using a laser weapon, and shooting a target object by using an imaging system to obtain a target object image; calculating to obtain at least one characteristic value of the halation index according to the target object image, and calculating to obtain the halation index according to the characteristic value of the halation index; And inputting the halation index into a compensation mapping model, calculating to obtain a focal length compensation quantity, and adjusting the focal length of the laser weapon according to the focal length compensation quantity to realize the halation effect compensation. In an embodiment, the observation path of the imaging system and the laser firing path of the laser weapon are the same optical path, or the optical axis of the imaging system is parallel to the laser beam direction of the laser weapon. In one embodiment, the halation index feature values comprise a first halation index feature value, a second halation index feature value, and a third halation index feature value, wherein, The first halation index characteristic value is a halation sensitive gradient energy value of a single-frame target object image; the second halation index characteristic value is the halation sensitive frequency band energy ratio of the single-frame target object image; And the third halation index characteristic value is the halation index change trend of the continuous multi-frame target object image. In one embodiment, the compensation mapping model describes the correlation of the output power, the striking distance, the halation index and the focal length compensation amount of the laser weapon; the thermal vignetting index is input into a compensation mapping model, and the focal length compensation amount is obtained through calculation, wherein the method comprises the following steps: And inputting the halation index, the output power of the laser weapon and the striking distance into a compensation mapping model, and calculating to obtain the focal length compensation quantity. In one embodiment, the inputting the halation index into the compensation mapping model, calculating a focal length compensation amount and adjusting the focal length of the laser weapon according to the focal length compensation amount to realize the halation effect compensation includes: when the halation index is larger than a preset halation index threshold, inputting the halation index into a compensation mapping model, calculating to obtain a focal length compensation amount and adjusting the focal length of the laser weapon according to the focal length compensation amount to realize halation effect compensation, or, When the change rate of the halation index is larger than a preset change rate threshold of the halation index, inputting the halation index into a compensation mapping model, calculating to obtain focal length compensation quantity, and adjusting the focal length of the laser weapon according to the focal length compensation quantity so as to realize the halation effect compensation. In one embodiment, the adjusting the focal length of the laser weapon according to the focal length compensation amount comprises: And adjusting the focal length of the laser weapon in a stepping adjustment mode until the halation index after focal length adjustment meets the convergence condition. In an embodiment, the method further comprises: and adjusting parameters of the compensation mapping model according to the halation index to update the compensation mapping model. One or more technical schemes provided by the application have at least the following technical effects: A method for compensating thermal halo effect of laser weapon includes outputting lase