基于激光光源的太阳辐射计视场角测量方法

大气与环境光学学报 ›› 2015, Vol. 10 ›› Issue (4): 315-322.

• “多尺度大气气溶胶综合观测实验”专辑 • 上一篇下一篇

基于激光光源的太阳辐射计视场角测量方法

李伟1,2, 李正强2,*, 杨本永3, 李保生1, 李凯涛2,4, 李东辉2, 谢一凇2

（1 合肥工业大学，安徽合肥 230009；
2 中国科学院遥感与数字地球研究所，北京 100101；
3 中国科学院安徽光学精密机械研究所，安徽合肥 230031；
4 中国科学院大学，北京 100049）

收稿日期:2014-12-30 修回日期:2015-03-03 出版日期:2015-07-28 发布日期:2015-07-21
通讯作者: 李伟（1989），男，黑龙江哈尔滨人，研究生，主要从事大气环境遥感方面的研究。 E-mail:lizq@radi.ac.cn
作者简介:李伟（1989），男，黑龙江哈尔滨人，研究生，主要从事大气环境遥感方面的研究。
基金资助:
国家重点基础研究发展计划（973）项目（2010CB950800, 2010CB950801）、中国科学院重大科研装备研制项目(YZ201224)、国家自然科学基金项目（41222007）资助

Approach to Measure Field of View of Sun-Photometer Using Laser as Light Source

LI Wei1, LI Zhengqiang2,* , YANG Benyong3, LI Baosheng1, LI Kaitao2,4, LI Donghui，XIE Yisong2

(1 Hefei University of Technology, Hefei 230009, China;
2 Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing 100101, China;
3 Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China;
4 University of Chinese Academy of Sciences, Beijing 100049, China)

Received:2014-12-30 Revised:2015-03-03 Published:2015-07-28 Online:2015-07-21

摘要/Abstract

摘要：

视场角（FOV）是太阳辐射计的基础参数，也是太阳辐射计传递定标方法和室内积分球光源对比定标方法的关键参数，获取高精度的FOV是提高此类定标方法精度的重要手段。基于矩阵扫描测量方法，针对CE318型太阳辐射计，研制了激光光源测量FOV系统，并将测量结果与传递定标法进行了对比验证。结果表明：基于激光光源的矩阵扫描测量效果最好，不确定度为0.4%~1.1%；而基于太阳光源矩阵扫描测量受太阳运动的影响，因此有一定的发散角，导致测量结果比激光光源测量结果小约1.3%~1.4%。此外，在太阳辐射计历史定标系数较多时，激光光源测量结果与传递定标法计算的FOV结果一致性较好，说明传递定标法在历史数据多时也可以得到较精确的FOV结果。

关键词: 视场角, 矩阵扫描, 激光, CE318太阳辐射计, 传递定标

Abstract:

Field of view (FOV) is the basic parameter of sun-photometer and also the key parameter for transfer calibration and inter-comparison of sun-photometers using an integrating sphere as light source in the laboratory. Obtaining high-precision FOV is important to improve the accuracy of sun-photometer calibration. Based on the matrix measurement method, a system using laser as a light source to measure the FOV of CE318 sun-photometer is developed, and then the FOV results of matrix method are compared with the transfer calibration method. The results indicate that the matrix measurement with laser has a FOV uncertainty of 0.4%~1.1%. Because of the movement during measurement process and divergence angle of sun, the FOV uncertainty based on matrix measurement with sun is about 1.3%~1.4% which is larger than the laser result. In addition, the more historical calibration records, the more accurate FOV can be obtained by using transfer calibration method by comparing with matrix approach with laser, which suggests that the transfer calibration method can obtain accurate FOV when historical records are enough.

Key words: field of view, matrix scan, laser, CE318 sun-photometer, transfer calibration method

中图分类号:

P414.5

李伟李正强杨本永李保生李凯涛李东辉谢一凇. 基于激光光源的太阳辐射计视场角测量方法[J]. 大气与环境光学学报, 2015, 10(4): 315-322.

LI Wei, LI Zheng-Qiang, YANG Ben-Yong, LI Bao-Sheng, LI Kai-Tao, LI Dong-Hui, XIE Yi-Song. Approach to Measure Field of View of Sun-Photometer Using Laser as Light Source[J]. Journal of Atmospheric and Environmental Optics, 2015, 10(4): 315-322.

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基于激光光源的太阳辐射计视场角测量方法

Approach to Measure Field of View of Sun-Photometer Using Laser as Light Source

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