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靶材料BRDF现场模拟测量
引用本文:尹王保,汪丽蓉,赵延霆,李昌勇,肖连团,贾锁堂.靶材料BRDF现场模拟测量[J].光子学报,2003,32(4):473-476.
作者姓名:尹王保  汪丽蓉  赵延霆  李昌勇  肖连团  贾锁堂
作者单位:山西大学物理电子工程学院,量子光学与光量子器件国家重点实验室,太原,030006
基金项目:山西省科技攻关项目 (0 0 2 0 96),山西省留学基金(2 0 0 1 10 2 0 0 3 12 )资助项目
摘    要:介绍一种利用频率调制光谱技术,在自然环境光下进行材料双向反射分布函数(BRDF)的测量方法.用该方法对若干墙面靶材料的反向散射双向反射分布函数进行了测量,并给出了被测材料的BRDF拟合函数参量.测量环境模拟了以墙面材料为反射靶的激光现场遥感探测气体测量环境,其结果对此类探测仪器的设计具有指导意义.

关 键 词:BRDF  反射特性  频率调制光谱  遥感探测  地形靶目标
收稿时间:2002/2/12
修稿时间:2002年2月12日

BRDF Measurements of Selected Surface Materials under Condition of Simulation in Situ Circumstance
Yin Wangbao,Wang Lirong,Zhao Yanting,Li Changyong,Xiao Lituan,Jia Suotang College of Physics and Electronics Engineering,Shanxi Univ.,State key Laboratory of Quantum Optics and Quantum Optics Devices,Taiyuan ,China.BRDF Measurements of Selected Surface Materials under Condition of Simulation in Situ Circumstance[J].Acta Photonica Sinica,2003,32(4):473-476.
Authors:Yin Wangbao  Wang Lirong  Zhao Yanting  Li Changyong  Xiao Lituan  Jia Suotang College of Physics and Electronics Engineering  Shanxi Univ  State key Laboratory of Quantum Optics and Quantum Optics Devices  Taiyuan  China
Institution:Yin Wangbao,Wang Lirong,Zhao Yanting,Li Changyong,Xiao Lituan,Jia Suotang College of Physics and Electronics Engineering,Shanxi Univ.,State key Laboratory of Quantum Optics and Quantum Optics Devices,Taiyuan 030006,China
Abstract:The method to measure the Bidirectional Reflectance Distribution Function (BRDF) of selected surface materials was developed with Frequency-Modulation Spectroscopy (FMS) using a Tunable Diode Laser (TDL) under strong environmental light influence such as natural illumination and artificial light. A simulated in situ BRDF measurement experiment was demonstrated with the improved method and the BRDF of several surface materials of wall as topographic target for laser remote detection of toxic and hazardous gases was obtained on this understanding that the angle of incidence is always coincident with the angle of reflection. The samples could be fitted to a function with two parameters. These results are suitable for designing laser remote detection instrument of gas of this type.
Keywords:BRDF  Diffuse characteristic  Frequency-Modulation Spectroscopy  Remote sensing  Topographic target
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