Infrared three-color passive ranging by colorimetric method

LU Yuan; FENG Yun-song; LING Yong-shun; QIAO Ya

doi:10.3788/OPE.20122012.2680

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Infrared three-color passive ranging by colorimetric method

Article | 更新时间：2020-08-13

- Infrared three-color passive ranging by colorimetric method
- Optics and Precision Engineering Vol. 20, Issue 12, Pages: 2680-2685(2012)
- 作者机构：
  
  1. 电子工程学院脉冲功率激光技术国家重点实验室,安徽合肥 230037
  2. 电子工程学院安徽省红外与低温等离子体重点实验室,安徽合肥 230037
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20122012.2680
  CLC： TN976;TN219
- Received：10 September 2012，
  
  Revised：21 October 2012，
  
  Published：10 December 2012
- 稿件说明：
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路远, 冯云松, 凌永顺, 乔亚. 红外三色被动测距[J]. 光学精密工程, 2012,20(12): 2680-2685

LU Yuan, FENG Yun-song, LING Yong-shun, QIAO Ya. Infrared three-color passive ranging by colorimetric method[J]. Editorial Office of Optics and Precision Engineering, 2012,20(12): 2680-2685
路远, 冯云松, 凌永顺, 乔亚. 红外三色被动测距[J]. 光学精密工程, 2012,20(12): 2680-2685 DOI： 10.3788/OPE.20122012.2680.

LU Yuan, FENG Yun-song, LING Yong-shun, QIAO Ya. Infrared three-color passive ranging by colorimetric method[J]. Editorial Office of Optics and Precision Engineering, 2012,20(12): 2680-2685 DOI： 10.3788/OPE.20122012.2680.

摘要

由于目标的红外辐射在大气中传输时其不同波长的辐射强度比值会随着传输距离的改变而发生变化

故波长的辐射强度比包含了目标的距离信息。基于上述原理

本文研究了利用比色方法依据空中目标的红外辐射对其进行测距的方法。推导了目标辐射强度色比与目标温度、辐射传输距离、大气消光系数之间的关系。在大气消光系数相对固定时

通过测量不同波长的辐射强度比值对目标进行了测距

推导出了红外三色比距离方程。根据大气辐射传输衰减计算模型

选择8.5、9.0、9.5 m 3个波长作为色比波长

2 km处300 K黑体作为被测目标

画出了色比测距图。分析显示

图上作业得到的目标距离和温度与实际目标的距离和温度基本相符。另外

利用本方法通过一次测量即可获得目标的距离和温度。

Abstract

As the color ratio of radiation intensity of a target at different wavelengths will change along with the change of transmission distance

the color ratio of radiation intensity contains distance information. According the principle mentioned above

this paper proposed a scheme based on colorimetric method to range the target using its own infrared radiation. The relationship between the color ratio of radiation intensity for the target and its temperature

radiation transmission distance

atmosphere attenuation coefficient was deduced. By measuring the color ratio of radiation intensity at different wavelengths

the target was ranged when the atmosphere attenuation was certain and the infrared ranging equations of three-color ratio were deduced. According to a calculation model of radiation atmosphere transmission attenuation

three wavelengths of 8.5

9.0

9.5 m were selected as color-ratio wavelengths

a 300 K blackbody 2 km away was used as a ranging target

and a color-ratio ranging figure was drawn. Analysis shows that the temperature and the distance of the target gotten from the figure are coincident with those of the target. Furthermore

it needs only once measurement to get the distance and temperature of the target by using this method.

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references

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