镜头式光幕探测灵敏度分布规律研究

doi:10.3969/j.issn.1000-1093.2016.02.019

兵工学报 ›› 2016, Vol. 37 ›› Issue (2): 325-331.doi: 10.3969/j.issn.1000-1093.2016.02.019

镜头式光幕探测灵敏度分布规律研究

田会^1,2，倪晋平²，焦明星¹，胡旭³，高芬²

（1.西安理工大学机械与精密仪器工程学院，陕西西安 710048；

收稿日期:2015-05-18 修回日期:2015-05-18 上线日期:2016-04-22
通讯作者: 田会 E-mail:tianh80@126.com
作者简介:田会（1980—），男，副教授，博士研究生
基金资助:
国家自然科学基金项目（61471289）

Research on Detection Sensitivity Distribution Regularity of Lens-light-screen

TIAN Hui^1,2, NI Jin-ping², JIAO Ming-xing¹, HU Xun³, GAO Fen²

(1.School of Mechanical and Precision Instrumental Engineering, Xi’an University of Technology, Xi’an 710048,Shaanxi, China;2.School of Optoelectronic Engineering, Xi’an Technological University, Xi’an 710032, Shaanxi, China; 3.Chongqing Changan Industry (Group) Co., Ltd., Chongqing 401120, China)

Received:2015-05-18 Revised:2015-05-18 Online:2016-04-22
Contact: TIAN Hui E-mail:tianh80@126.com

摘要/Abstract

摘要： 针对室内大靶面探测光幕的试验与测试需求，研究了扇形光幕和矩形光幕的工程实现。分析了探测光幕的工作机理，依据光学系统的光照度分析理论，推导出弹丸在探测光幕面内不同位置穿过时引起的光通量变化量计算公式，利用Matlab计算出整个幕面的灵敏度分布规律。采用气枪弹在幕面内不同位置进行了射击试验验证。试验结果表明：弹丸在幕面内的信号幅值与仿真计算的灵敏度分布规律吻合。所得结论对大靶面探测光幕的工程设计具有参考价值。

关键词: 兵器科学与技术, 外弹道参数测试, 光度学, 光幕阵列, 镜头式光幕, 探测灵敏度

Abstract: In order to meet the testing requirement of indoor optical target with large detection area, two patterns of lens-light-screen’s engineering realization method are studied, of which one is sector lens-light-screen, and the other is rectangle lens-light-screen. The working principle of each kind of lens-light-screen is analyzed. The luminous flux may be changed when a flying projectile goes through the lens-light-screen in different position, of which the corresponding formulas are deduced based on the photometry principle. The sensitivity distribution regularity of each kind of lens-light-screen is simulated using Matlab. It is verified by the firing tests of air gun bullets. The results show that the signal amplitude of the projectile collected by an oscilloscope is in conformity with the sensitivity simulation results, which provides a reference for the engineering design of the optical targets with lager detection area.

Key words: ordnance science and technology, external trajectory parameter measurement, photometry, light-screen array, lens-light-screen, detection sensitivity

中图分类号:

TJ012.3⁺6

田会，倪晋平，焦明星，胡旭，高芬. 镜头式光幕探测灵敏度分布规律研究[J]. 兵工学报, 2016, 37(2): 325-331.

TIAN Hui, NI Jin-ping, JIAO Ming-xing, HU Xun, GAO Fen. Research on Detection Sensitivity Distribution Regularity of Lens-light-screen[J]. Acta Armamentarii, 2016, 37(2): 325-331.

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镜头式光幕探测灵敏度分布规律研究

Research on Detection Sensitivity Distribution Regularity of Lens-light-screen

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