分光谱型天空背景辐射计的研制

大气与环境光学学报 ›› 2019, Vol. 14 ›› Issue (4): 241-249.

• 大气光学 • 下一篇

分光谱型天空背景辐射计的研制

陈舜平^1,2,孙凤萤¹,徐文清¹,魏合理¹

1. 中国科学院安徽光学精密机械研究所中科院大气光学重点实验室安徽合肥 230031
2. 中国科学技术大学安徽合肥 230026

收稿日期:2018-04-02 修回日期:2018-04-15 出版日期:2019-07-28 发布日期:2019-07-12
通讯作者: 徐文清
基金资助:

Development of Spectral Radiance Measurement System for Sky Background

Received:2018-04-02 Revised:2018-04-15 Published:2019-07-28 Online:2019-07-12
Supported by:

摘要/Abstract

摘要：

为满足对天空背景辐射进行实时光谱测量和特征提取的需求,基于光纤光谱仪研制了一台一体化天

空背景辐射计,可测量340$\sim$1030 nm波长范围内的天空背景辐射光谱,波长分辨率优于0.5 nm,

具有定点测量、全天空扫描测量两种工作模式。在介绍系统总体结构的基础上,描述了光学组件、

转台系统、跟踪模块、嵌入式控制系统及恒温控制模块等硬件部件的结构,以及上位机软件的

设计思路、设备工作流程和定标方式。最后分析经光谱辐射定标后的测量数据,初步验证设备

工作的可靠性,为天空背景辐射的实时测量及光谱特性研究提供了有效手段。

关键词: 天空背景, 背景辐射, 光谱测量, 测量仪器

Abstract: To meet the requirement of real-time spectral measurements and feature extraction of sky background radiance, a measuring instrument for spectral radiance of sky background was developed based on fiber optical spectrometer, to acquire spectrum between the wavelength of 340nm and 1030nm, which could both operate at fixed direction mode and whole sky scanning mode. Besides the overall structure, the details of optical component, rotating system, sun tracing module, temperature maintain system, software design, working process and calibration method were also presented. The calibrated test results has been analyzed to prove the instruments’ reliability, and shows that it provided a way for real-time spectral measurements of sky background radiance.

Key words: sky background, background radiance, spectral measurement, measurement apparatus

中图分类号:

P416.2

陈舜平孙凤萤徐文清魏合理. 分光谱型天空背景辐射计的研制[J]. 大气与环境光学学报, 2019, 14(4): 241-249.

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分光谱型天空背景辐射计的研制

Development of Spectral Radiance Measurement System for Sky Background

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