基于大气实时修正的飞机辐射特性测量

杨词银; 曹立华; 张建萍

doi:10.3788/OPE.20142207.1751

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基于大气实时修正的飞机辐射特性测量

现代应用光学 | 更新时间：2020-08-13

- 基于大气实时修正的飞机辐射特性测量
- Measurement of infrared radiation for target airplane based on real-time atmospheric correction
- 光学精密工程 2014年22卷第7期页码：1751-1759
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所,吉林长春,中国,130033
  2. 长春理工大学理学院,吉林长春,130022
- 作者简介：
- 基金信息：
  
  国家自然科学基金青年基金资助项目（No.61007009）()
- DOI：10.3788/OPE.20142207.1751
  中图分类号： TP732+.2
- 收稿日期：2013-03-21，
  
  修回日期：2013-05-03，
  
  纸质出版日期：2014-07-25
- 稿件说明：
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杨词银, 曹立华, 张建萍. 基于大气实时修正的飞机辐射特性测量[J]. 光学精密工程, 2014,22(7): 1751-1759

YANG Ci-yin, CAO Li-hua, ZHANG Jian-ping. Measurement of infrared radiation for target airplane based on real-time atmospheric correction[J]. Editorial Office of Optics and Precision Engineering, 2014,22(7): 1751-1759
杨词银, 曹立华, 张建萍. 基于大气实时修正的飞机辐射特性测量[J]. 光学精密工程, 2014,22(7): 1751-1759 DOI： 10.3788/OPE.20142207.1751.

YANG Ci-yin, CAO Li-hua, ZHANG Jian-ping. Measurement of infrared radiation for target airplane based on real-time atmospheric correction[J]. Editorial Office of Optics and Precision Engineering, 2014,22(7): 1751-1759 DOI： 10.3788/OPE.20142207.1751.

摘要

研究了飞机飞行时的动态辐射特性测量方法。针对利用软件计算大气透过率进行目标辐射修正精度较低的问题，提出了通过机上标校黑体进行实时大气修正的新辐射测量方法。该方法通过目标飞机上挂载的标校黑体实现大气透过率的实时测量，并利用实测大气透过率对目标飞机辐射进行大气修正来提高修正精度。借助中波和长波红外相机、两个标准面源黑体及一块硒化锌平板，开展了飞机目标辐射特性测量的地面模拟实验。利用MODTRAN和CART计算以及实测大气透过率分别对黑体目标红外测量值进行辐射反演。与MODTRAN和CART计算大气透过率的传统方法相比，文中提出的实测大气透过率方法可将目标辐射反演精度提高一倍以上。

Abstract

The measuring method for dynamic radiation characteristics of a flying airplane is researched.As traditional atmospheric correction method by calculating the atmospheric transmittance and path radiation with software has poor correction precision

this paper proposes a new radiation measurement method to measure the atmoshperic transmittance in real time.The method uses a blackbody carried by the target airplane to measure the atmoshperic transmittance in real time and takes the real-time measured data to correct the target airplane radiation and to improve the radiation measurement precision.Ground simulation experiments for an airplane infrared radiation measurement are performed by means of a midwave (MW) infrared camera

a longwave (LW) infrared camera

two extended-area blackbodies

and a piece of ZnSe.The MODTRAN calculated

CART calculated

and the real-time measured atmospheric transmittances are used to correct the inverted blackbody target radiation.The obtained results show that the target radiation measurement precision by the proposed real-time measured atmospheric transmittance has improved by above 100% as compared with those of MODTRAN and CART calculated.

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references

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