Measurement of aerial point target distance using dual-band infrared imaging system

LU Yuan; LING Yong-shun; SHI Jia-ming

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Measurement of aerial point target distance using dual-band infrared imaging system

更新时间：2020-08-12

- Measurement of aerial point target distance using dual-band infrared imaging system
- Optics and Precision Engineering Vol. 12, Issue 2, Pages: 161-164(2004)
- 作者机构：
  
  解放军电子工程学院, 科研部202室,安徽合肥,230037
- 作者简介：
- 基金信息：
- DOI：
  CLC： TH745.3
- Received：09 December 2003，
  
  Revised：20 February 2004，
  
  Published Online：15 April 2004，
  
  Published：15 April 2004
- 稿件说明：
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路远, 凌永顺, 时家明. 双波段红外成像系统对空中点目标测距的方法[J]. 光学精密工程, 2004,(2): 161-164

LU Yuan, LING Yong-shun, SHI Jia-ming. Measurement of aerial point target distance using dual-band infrared imaging system[J]. Editorial Office of Optics and Precision Engineering, 2004,(2): 161-164
路远, 凌永顺, 时家明. 双波段红外成像系统对空中点目标测距的方法[J]. 光学精密工程, 2004,(2): 161-164 DOI：

LU Yuan, LING Yong-shun, SHI Jia-ming. Measurement of aerial point target distance using dual-band infrared imaging system[J]. Editorial Office of Optics and Precision Engineering, 2004,(2): 161-164 DOI：

摘要

提出了对空中点目标进行被动测距的方法.基于红外辐射在大气中的传输规律和红外成像系统的特性

建立了目标和背景的表观对比度模型.通过对两个波段上对比度模型的分析

推导出了测距公式和距离分辨率公式.理论分析表明

只要得到大气在两个波段上的消光系数

通过测量目标在两个波段、两个时刻上的目标表观对比度

即可计算得到目标距离和目标径向速度

而距离分辨率则取决于系统的对比度探测能力及相关参数.利用所得公式计算了不同气象条件下

目标距离分辨率与目标距离之间的关系.计算结果表明

该测距方法具有工程应用价值.

Abstract

By establishing a model based on the law of infrared radiation transmission in atmosphere and the characteristics of infrared imaging system for the apparent contrast between the target and the background

and analyzing the model over two wavebands to formulate the distance measuring formula and the distance resolving power formula

a passive distance measurement method is proposed for aerial point target distance measurement. The relationship between the distance resolving power and the distance is calculated for different weather conditions. The calculation results indicate that the method proposed is suitable for engineering application.

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references

王刚,禹秉熙.基于对比度的空中红外点目标探测距离估计方法[J] .光学精密工程,2002.10(3):276-280.WANG G, YU B X, Approach to estimate infrared point target detection range against sky background based on contrast[J] . Optics and Precision Engineering, 2002. 10(3): 276-280.(in Chinese)

ACCETTA J S, SHUMAKER D L. Infrared and electro-optical system handbook [M] . Second Edition. Bellingham, Washington, USA: Infrared Information Analysis Center, 1993.

许中胜.红外探测系统参数关系及实际应用[J] .光学精密工程,1999,7(4):82-85.XU ZH SH. Infrared detection system parameter relation formula and practical application[J] . Optics and Precision Engineering, 1999,7(4): 82-85.(in Chinese)

SADOT D, KOPEIKA N S. Imaging through the atmosphere: practical instrumentation-based theory and verification of aerosol modulation transfer function [J] . J Opt Soc Am A, 1993,10(1):172-179.

KOPEIKA N S. A system engineering approach to imaging [M] . Bellingham, Washington, USA: SPIE, 1998.

SLATER P N. Remote sensing, optics and optical systems [M] . Massachusetts: Addison-Wesley Publishing Company, 1980.

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