基于双经纬仪和弹孔屏的天幕立靶密集度现场校准方法

曹静;陈俊彪;田会;王凡;刘保炜

应用光学 ›› 2021, Vol. 42 ›› Issue (5) : 906-912.

应用光学 ›› 2021, Vol. 42 ›› Issue (5) : 906-912. DOI: 10.5768/JAO202142.0503005

基于双经纬仪和弹孔屏的天幕立靶密集度现场校准方法

  • 曹静1, 陈俊彪1, 田会2, 王凡2, 刘保炜1
作者信息 +

Calibration method for multi-sky-screen target density based on double theodolites and bullet holes screen

  • CAO Jing1, CHEN Junbiao1, TIAN Hui2, WANG Fan2, LIU Baowei1
Author information +
文章历史 +

摘要

射击密集度是评定速射武器射击效果的重要参数,而天幕立靶测试系统广泛用于速射武器的密集度测量。但是由于天幕立靶受到运输、反复安装和搬移、外场环境温度变化、长时间使用等因素影响,导致密集度测量误差变大。针对天幕立靶密集度现场校准问题,提出了一种基于双经纬仪和高精度弹孔屏配合的校准方法。该方法利用双经纬仪交会测量弹孔屏上的弹孔坐标,根据所测量的弹孔坐标利用密集度公式计算密集度参数,并与天幕立靶所测得的密集度参数进行对比,完成现场校准。开展实弹射击,并对基于双经纬仪配合弹孔屏方法测量所得的密集度进行不确定度评估,结果表明:该方法测量所得的密集度不确定度为1.6 mm,可用于天幕立靶密集度的现场校准。

Abstract

The firing density is an important parameter to evaluate the firing effect of rapid-fire weapons, and the multi-sky-screen target testing system is widely used in the measurement of firing density of rapid-fire weapons. However, due to the influences such as the transportation, repeated installation and movement of multi-sky-screen target, the change of ambient temperature in outfield testing, and the long-time usage, the measurement error of the firing density becomes larger. For the calibration of firing density of multi-sky-screen target, a method based on double theodolites and high-accuracy bullet holes screen was proposed. The coordinates of the bullet holes in the bullet holes screen were measured by intersection measurement of double theodolites, and then the density parameters were calculated by the density formula. The calculated density parameters were compared with that of the multi-sky-screen target to complete the calibration. By the firing practice, the uncertainty of firing density measured by double theodolites combined with bullet holes screen was evaluated. The results show that the uncertainty of the firing density measured by the proposed method is 1.6 mm, which can be used for the calibration of the multi-sky-screen target density.

关键词

双经纬仪 / 立靶密集度测量 / 不确定度评估 / 天幕立靶

Key words

multi-sky-screen target / uncertainty evaluation / target density measurement / double theodolites

引用本文

导出引用
曹静, 陈俊彪, 田会, 王凡, 刘保炜. 基于双经纬仪和弹孔屏的天幕立靶密集度现场校准方法. 应用光学. 2021, 42(5): 906-912 https://doi.org/10.5768/JAO202142.0503005
CAO Jing, CHEN Junbiao, TIAN Hui, WANG Fan, LIU Baowei. Calibration method for multi-sky-screen target density based on double theodolites and bullet holes screen. Journal of Applied Optics. 2021, 42(5): 906-912 https://doi.org/10.5768/JAO202142.0503005

基金

国防科工局技术基础科研项目(JSJL2017208B009)

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