碳卫星高光谱CO<sub>2</sub>探测仪发射前光谱定标

蔺超; 李诚良; 王龙; 毕研盟; 郑玉权

doi:10.3788/OPE.20172508.2064

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碳卫星高光谱CO₂探测仪发射前光谱定标

现代应用光学 | 更新时间：2020-07-07

- 碳卫星高光谱CO₂探测仪发射前光谱定标
- Preflight spectral calibration of hyperspectral carbon dioxide spectrometer of TanSat
- 光学精密工程 2017年25卷第8期页码：2064-2075
- 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 130033
  2.国家卫星气象中心, 北京 100081
- 作者简介：
  
  [ "蔺超(1984-), 男, 内蒙古呼伦贝尔人, 硕士, 助理研究员, 2007年、2009年于吉林大学分别获得学士、硕士学位, 现任中国碳卫星CO2探测仪副主任设计师, 主要从事光谱仪器设计及定标方面的研究。E-mail:linchao@ciomp.ac.cn" ]
  郑玉权(1972-), 男, 内蒙古通辽人, 博士, 研究员, 1999年于中国科学院长春光学精密机械与物理研究所获得博士学位, 现任中国碳卫星副总师, 主要从事CO2探测仪的研究工作。E-mail:zhengyq@sklao.ac.cn ZHENG Yu-quan, E-mail:zhengyq@sklao.ac.cn
- 基金信息：
  
  国家863高技术发展计划资助项目(2011AA12A102)
- DOI：10.3788/OPE.20172508.2064
  中图分类号： TP394.1;TH691.9
- 收稿日期：2017-03-27，
  
  录用日期：2017-5-2，
  
  纸质出版日期：2017-08-25
- 稿件说明：
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蔺超, 李诚良, 王龙, 等. 碳卫星高光谱CO₂探测仪发射前光谱定标[J]. 光学精密工程, 2017,25(8):2064-2075.

Chao LIN, Cheng-liang LI, Long WANG, et al. Preflight spectral calibration of hyperspectral carbon dioxide spectrometer of TanSat[J]. Optics and precision engineering, 2017, 25(8): 2064-2075.
蔺超, 李诚良, 王龙, 等. 碳卫星高光谱CO₂探测仪发射前光谱定标[J]. 光学精密工程, 2017,25(8):2064-2075. DOI： 10.3788/OPE.20172508.2064.

Chao LIN, Cheng-liang LI, Long WANG, et al. Preflight spectral calibration of hyperspectral carbon dioxide spectrometer of TanSat[J]. Optics and precision engineering, 2017, 25(8): 2064-2075. DOI： 10.3788/OPE.20172508.2064.

摘要

为了完成碳卫星高光谱CO

探测仪的发射前光谱定标，建立了光谱定标系统，并对定标系统设计、所采用的自动化数据采集和数据处理算法等进行了研究。根据CO

探测仪的探测原理介绍了载荷的光谱性能要求，描述了定标系统的设计与所采用的仪器设备，说明了采用自动化数据采集、旋转积分球、功率校正与暗背景校正等改进的定标方法。最后，介绍了光谱定标的数据处理方法。发射前定标结果表明：载荷三个波段的ILS能量集中度分别大于0.80，0.81和0.78；FWHM分别为0.039 2~0.042 4 nm，0.123~0.128 nm和0.157~0.168 nm；光谱采样率区间分别为2.12~2.95、1.97~2.27和1.92~2.26。对发射后实测太阳夫朗禾费光谱进行了评估，结果表明：中心波长偏差小于0.0013，0.058和0.065 nm。CO

探测仪整体的光谱性能指标能够达到系统设计要求。

Abstract

In order to realize spectral calibration for TanSat's hyperspectral Carbon Dioxide Spectrometer (CDS)

a calibration system was established and relevant methodology such as design of the system

data acquisition and algorithms of data processing and etc was investigated. Based on the sounding principle

CDS's spectral requirements were presented. Design of calibration system and the adopted equipments was described. Then after the scheme of Orbiting Carbon Observatory's spectral calibration was compared

the modified methods such as automatic data acquisition

rotatable integrating sphere

power and dark calibration was analyzed. Finally

the methods of data processing were described as well. Experimental results indicate that the ILS concentration radios of CDS are more than 0.80

0.81

0.78 respectively and the intervals of FWHM are 0.039 2-0.042 4 nm

0.123-0.128 nm

0.157-0.168 nm respectively. The intervals of spectral sampling are 2.12-2.95

1.97-2.27

1.92-2.26 respectively. The comparison of on-orbit solar spectra indicate that the difference of central wavelength are less than 0.001 3

0.058

0.065 nm respectively. It can satisfy the system requirements of CDS.

关键词

Keywords

references

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碳卫星高光谱CO2探测仪发射前光谱定标

Preflight spectral calibration of hyperspectral carbon dioxide spectrometer of TanSat

DOI：10.3788/OPE.20172508.2064

摘要

Abstract

关键词

Keywords

references

碳卫星高光谱CO₂探测仪发射前光谱定标