高精度星上定标漫射板双向反射分布函数绝对测量系统研究

大气与环境光学学报 ›› 2014, Vol. 9 ›› Issue (1): 72-80.

• “光学遥感定标技术及应用”专辑 • 上一篇

高精度星上定标漫射板双向反射分布函数绝对测量系统研究

陈洪耀，张黎明，施家定，司孝龙，沈政国，李俊麟，杨宝云，王戟翔，朱雪梅，杜志强

（中国科学院安徽光机所中国科学院通用光学定标与表征技术重点实验室，安徽合肥 230031）

收稿日期:2013-12-17 出版日期:2014-01-28 发布日期:2014-01-09
通讯作者: 陈洪耀（1980-），男，河南漯河人，博士，副研究员，主要从事光学遥感器定标检测和高精度光谱辐射测量等方面研究。 E-mail:hychen@aiofm.ac.cn
作者简介:陈洪耀（1980-），男，河南漯河人，博士，副研究员，主要从事光学遥感器定标检测和高精度光谱辐射测量等方面研究。
基金资助:
国家863计划（2012AA12A302-2）、中科院科研装备项目（YZ201125）和安徽省自然科学基金（1208085QD74）资助

High Accuracy Gonioreflectometer for Solar Diffuser Spectral BRDF Measurement

CHEN Hong-yao, ZHANG Li-ming, SHI Jia-ding, SI Xiao-long, SHEN Zheng-guo, LI Jun-lin, YANG Bao-yun, WANG Ji-xiang, ZHU Xue-mei, DU Zhi-qiang

(Key Laboratory of Optical Calibration and Characterization, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China)

Received:2013-12-17 Published:2014-01-28 Online:2014-01-09

摘要/Abstract

摘要：

星上定标漫射板双向反射分布函数（BRDF）的测量不确定度直接影响着星上绝对辐射定标的精度。现有的BRDF测量装置难以在功能和测量精度等方面满足星上定标漫射板BRDF测量的要求，在这样的背景下，建立了BRDF绝对测量系统。该测量系统以高亮度、高均匀性积分球辐射源为照明光源、高精度串联式六轴机器人和中空分度盘为BRDF转角主体、宽光谱大动态范围辐射计为光电信号探测单元，通过几何、电子等相关物理量的高精度溯源及标校，实现了星上定标漫射板BRDF小于1%的测量不确定度。

关键词: 辐射定标, 星上定标, 双向反射分布函数, 太阳-漫射板

Abstract:

Bidirectional reflection distribution function (BRDF) measurement uncertainty of the solar diffuser has direct impact on the on board absolute radiometric calibration accuracy. Conventional BRDF measurement apparatus is difficult to meet the requirements of on board absolute radiometric calibration in terms of measurement accuracy and function. In this context, a set of BRDF absolute measuring system was established. In the system, the high brightness, high uniformity integrating sphere radiation are used as light source, high-precision six-axis robot and indexing plate are used as BRDF gonioreflectometer, and wide spectrum of large dynamic range of the photoelectric detector is used as signal detection unit. Through geometry, electronics and other related physical quantities of high precision calibration and traceability, BRDF measurement uncertainty of solar diffuser less than 1% is achieved.

Key words: radiometric calibration, on-board calibration, bidirectional reflection distribution function, solar diffuser

中图分类号:

O432
TB303

陈洪耀张黎明施家定司孝龙沈政国李俊麟杨宝云王戟翔朱雪梅杜志强. 高精度星上定标漫射板双向反射分布函数绝对测量系统研究[J]. 大气与环境光学学报, 2014, 9(1): 72-80.

CHEN Hong-Yao, ZHANG Li-Ming, SHI Jia-Ding, SI Xiao-Long, CHEN Zheng-Guo, LI Jun-Lin, YANG Bao-Yun, WANG Ji-Xiang, ZHU Xue-Mei, DU Zhi-Qiang. High Accuracy Gonioreflectometer for Solar Diffuser Spectral BRDF Measurement[J]. Journal of Atmospheric and Environmental Optics, 2014, 9(1): 72-80.

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高精度星上定标漫射板双向反射分布函数绝对测量系统研究

High Accuracy Gonioreflectometer for Solar Diffuser Spectral BRDF Measurement

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