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1)  intense diffusing screen
强漫射板
2)  diffuse reflection board
漫反射板
1.
It is cosine relation between radiant intensity of diffuse reflection board and reflection angle.
漫反射板的辐射强度与反射角成余弦关系,小角度反射时散射光能量很大,在很大角度反射时其辐射功率几乎接近零。
3)  diffuser [英][di'fju:zə]  [美][dɪ'fjuzɚ]
漫反射板
1.
Fabrication of diffuser in UV-VUV space remote sensing instrument
紫外-真空紫外空间遥感仪器漫反射板的制备
2.
It is mainly caused by the relatively larger uncertainty(4%) in the irradiance calibration of FEL standard lamp and uncertainty(4%—6%) in the measurements of the diffuser bidirectional reflectance distribution function(BRDF).
在紫外波段,使用常规手段实现高精度的辐射定标是比较困难的,这主要是由于标准灯的定标不确定度约4%和漫反射板双向反射分布函数(BRDF)的测量不确定度4%—6%所致。
3.
Under the condition that FEL standard lamp was assumed to be a uniform point source,the illuminating factors of both sources were corrected,in the mean time,two kinds of diffusers were involved in the experimental re.
同时利用两种漫反射板对此修正进行了实验研究,得到了采用两种漫反射板标定的光谱辐射计亮度响应度有很好的一致性(1%)的结论。
4)  on-board calibration
漫射板
1.
Characteristic measurement of diffuser panel used for on-board calibration for satellite optical sensors
光学传感器星上定标漫射板的特性测量
5)  aluminium diffuse plate
铝漫反射板
6)  ideal diffuser
理想漫射板
1.
The authors established a ideal diffuser model,and computed the correlation between two adjacent speckle patters with a lateral displacement of the diffuser.
建立了理想漫射板模型。
补充资料:光漫射
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性质:当射线束通过一表面或一介质在许多方向发生偏离而单色组分的频率又无变化时,射线束空间分布变化的过程。曾称之为光散射,现不推荐这一称谓。就透明材料如航空有机玻璃,就是因为这一光学现象,而使其透明性变差。作为定量的描述,就是测定该材料的雾度。

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