杂光
- stray light;parasitic light
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同时对系统进行杂光分析,给出杂光抑制方案,并使用杂光分析软件对系统进行分析。
The parasitic light in the system was also analyzed . A scheme to suppress the parasitic light is given .
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光学系统杂光指标PST的测量,包含了系统各种安装误差的影响,体现了系统杂光抑制的真实水平。
The PST of stray light includes the influence of system assemble error , and reflects the real capacity of stray light suppression .
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用蒙特卡罗法数值模拟CCD相机的杂光
Numerical Simulation of Stray Light in CCD Camera with the Monte Carlo Method
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采用蒙特卡罗(Monte-Carlo)法对卫星CCD相机的地气杂光进行了计算。
The stray light level in CCD camera is calculated with the Monte Carlo method .
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光学系统黑斑法杂光系数和PST间的联系
Relations between PST and veiling glare index of optical system
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分析了干涉仪系统中偏振分光棱镜、四分之一波片和CCD保护玻璃等元件引入的杂光。
Furthermore , stray lights caused by polarization beam splitter ( PBS ), 1 / 4 wave plate and the cover of CCD have been analyzed .
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系统采用红外线LED照明,在摄像机和图像传感器间加有滤光片以避免杂光干扰,摄像机前加半透半反镜来辅助瞄准;
Two infrared LEDs are designed for illumination , a filter is added between the camera and image sensor for avoiding disturbance and a semitransparent mirror is set before the camera for aiming assistance .
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在CCD星敏感器中,CCD像面的背景噪声严重地影响了星点提取的准确性,要降低背景噪声就必须对杂光进行有效地消除,所以CCD星敏感器中的遮光罩起着重要的作用。
With the gradual development of CCD star sensor , exactly extracting star point has been becoming more and more important . The background noise of CCD will affect the extracting accuracy seriously .
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二维位置敏感器件背景光消除的神经网络方法位置敏感器件(PSD)的杂光干扰研究
Study on Background Light Elimination of Two-dimension Position Sensitive Detectors Based on Neural Networks Light disturbance to position sensitive detectors & pattern and methods to overcome it
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这种方法与通常的激光扫描法、CCD摄象法相比,明显地抗外界杂光干扰,适合于太阳光照射下工作。
Compared with the conventional laser scanning , CCD image taking , it has the advantage of resisting the disturbance of the stray light and it is suited to operate under the illuminating of solar light .
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基于LASIS的高分辨高光谱成像仪光学系统设计及杂光分析
Optical Design and Stray Light Analysis of the High Resolution Hyper-spectral Imager Based on LASAS Theory
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测试结果表明:线性比较好,均匀性误差在7‰以内,杂光小于1μW,重复性误差小于7‰,长期稳定性误差小于8‰。
The testing results show that the linearity is good , the uniformity error is within 7 ‰, the stray light is smaller than 1 μ W , the repeatability error is within 7 ‰, and the long stability error is within 8 ‰ .
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PST(点源传递函数)是杂光分析程序常用的输出结果形式,杂光系数则是杂光实验测量最常用的结果表示方式。
PST is a common output result of stray light analysis programs of optical systems , and Veiling Glare Index is a common way to characterize stray light in optical systems .
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通过对比测试,证实了锥状遮光罩对R-C光学系统视场外杂光抑制有良好效果。
After comparison test , the cone baffle benefiting for suppressing of stray light out of field source in an R - C optical system was verified .
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同时,依据R-C系统的特点,提出其杂散辐射的计算方法,用以估计遮光完善R-C系统的杂光水平。
A stray radiation calculation method based on the feature of the R C system is given for estimating stray light performance in the well baffled R C system .
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表示光学系统杂光抑制能力的点源透过率PST和材料表面散射特性的双向反射分布系数BRDF,这两个物理概念是光学系统杂光分析与计算的基础。
PST denotes optical system capability of suppressing stray light , and BRDF represents material surface scatter and reflectance property . These two physical values are the base of stray light analysis and calculation .
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文章介绍了由有色光学玻璃组成的窄带的测量3W以内激光的光电型功率计,具有杂光小、均匀性好、线性好、时间常数小等特点。
The photoelectric power meters , which are made of color optical glass to measure the output power up to 3W with narrow bandwidth , are introduced . They have the advantages of small stray light , good uniformity , excellent linearity , fast time respond constant and etc.
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准直物镜对杂光测量结果的影响
Effect of collimating objective on the measuring result of stray light
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光学系统杂光黑斑测量的理论研究
Theoretical study of stray light black spot measurement for optical system
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离轴三反射望远镜遮光罩设计与杂光分析
Baffle Design and Stray Light Analysis of the Off-axis Three-mirror Telescope
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减小红外仪器杂光方法探讨
Discussion on the method for reducing VEILING-GLARE in the infrared instrument
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地球作为扩展源的杂光计算
Calculation of Stray Radiation from the Earth as an Extended Source
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一种基于光线光学的杂光分析模型
A Computer Modeling for Stray Light Analysis Based on Geometrical Optics
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光学系统杂光测量与计算程序间的联系
Relations between measurement and computer program of stray light in optical system
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转镜等待分幅&高速摄影机中的杂光现象
Stray light in high speed photography with framing-waiting-rotating mirror camera
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偏视场用三反射系统的一次杂光问题研究
Study on Stray-light of the Three-mirror Optical System Used in Field Bias
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星敏感器杂光抑制分析
Suppression and Analysis of Stray Light in a Star Sensor
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适合在微机上使用的杂光分析方法光干涉实验的计算机模拟
Stray light analysis with PC computer COMPUTER SIMULATION OF LIGHT INTERFERENCE EXPERIMENT
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星载光学系统遮光罩消杂光结构优化设计方法
An optimum design method for the light hade of spaceborne optical system
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星载光学遥感器消杂光技术现状与发展
Status and development of stray light elimination technology for space-borne optical sensors