提高外场重频激光光斑测量距离的研究

胡林亭; 李佩军; 姚志军

doi:10.3788/YJYXS20163112.1137

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提高外场重频激光光斑测量距离的研究

显示与图像 | 更新时间：2020-07-07

- 提高外场重频激光光斑测量距离的研究
- Improvement of the measuring distance of repetitive-frequency laser spot in field
- 液晶与显示 2016年31卷第12期页码：1137-1142
- 作者机构：
  
  1.中国白城兵器试验中心, 吉林白城 137001
  2.中国科学院长春光学精密机械与物理研究所, 吉林长春 130033
- 作者简介：
  
  胡林亭(1964-), 男, 山东青岛人, 高级工程师, 主要从事光学测量工作。E-mail:qitiandasheng0002@sina.com
- 基金信息：
- DOI：10.3788/YJYXS20163112.1137
  中图分类号： TN247
- 收稿日期：2016-09-06，
  
  录用日期：2016-11-9，
  
  纸质出版日期：2016-12-05
- 稿件说明：
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胡林亭, 李佩军, 姚志军. 提高外场重频激光光斑测量距离的研究[J]. 液晶与显示, 2016,31(12):1137-1142.

Lin-ting HU, Pei-jun LI, Zhi-jun YAO. Improvement of the measuring distance of repetitive-frequency laser spot in field[J]. Chinese journal of liquid crystals and displays, 2016, 31(12): 1137-1142.
胡林亭, 李佩军, 姚志军. 提高外场重频激光光斑测量距离的研究[J]. 液晶与显示, 2016,31(12):1137-1142. DOI： 10.3788/YJYXS20163112.1137.

Lin-ting HU, Pei-jun LI, Zhi-jun YAO. Improvement of the measuring distance of repetitive-frequency laser spot in field[J]. Chinese journal of liquid crystals and displays, 2016, 31(12): 1137-1142. DOI： 10.3788/YJYXS20163112.1137.

摘要

为评定激光指示器对运动目标的指示精度，通常使用激光光斑测量系统，测量照射在靶标上波长为1.064 μm的激光光斑位置。而现用激光光斑测量系统的最大探测距离仅为500 m，需要大幅提高。本文通过分析制约激光光斑测量距离的因素，研究了提高外场重频激光光斑测量距离的技术途径，在选用可精确控制快门曝光的近红外高量子效率摄像机的基础上，设计了快门最优控制策略。在保证激光光斑录取率99.9%的同时，通过控制摄像机曝光时间，将激光光斑图像信噪比提高了约2倍多。外场测量时，对重频激光光斑的测量距离达到了2 000 m，满足了对运动目标测量的精度要求。

Abstract

To evaluate laser pointer's localization accuracy of moving objects

a laser spot measurement system is typically used to measure the spot of a 1.064 μm-wave-length laser on the target. However

the maximum measuring distance of existing laser spot measurement systems is only 500 m

which needs to be substantially increased. This essay analyzes the constraints of laser spot distance measurement

studies the methods for increasing the measuring distance of repetitive-frequency laser spot in field

designs a shutter optimal control strategy based on the use of a high-quantum-efficiency near-infrared camera which is able to precisely control the shutter exposure. A 99.9% laser spot admission rate is guaranteed

meanwhile the laser spot image SNR is increased about 8 times by controlling the camera exposure time. In field

the measuring distance of frequency-repetitive laser spot reaches 2 000 m

which meets the precision requirements for moving target measurement.

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