特点：照射面积大，光线分布均匀。
Characteristics: large area irradiation and equal ray distribution.
由于光线分布不均匀或斑块噪音干扰等原因，往往使所要处理的指纹的灰度值分布缺乏均匀性。
The extracted objects with different ranges usually have different distribution of gray scale value, due to uneven distribution of light and various properties of the crack background of fingerprints.
这就需要采用有多面手特性的泛光照明，因为它们具有变化多样的光通量、尺寸和光线分布的说。
This required versatile floodlights from a series with a large number of diverse light outputs, dimensions and light distribution.
本文介绍了作者研制的无缝棱镜导光管照明系统中，导光管外表面附加的反射膜对导光管光线传输特性和光线分布特性的影响。
The influence of surface reflective film on light-transporting efficiency and light distribution of seamless prism light guides developed by the author is discussed in this paper.
自然存在的荧光蛋白质(gfp)是杂乱分布的，如同普通电灯发出的光线。
The natural fluorescence of GFP is incoherent, just like the light emitted by a normal light bulb.
建立了用蒙特卡罗和光线跟踪法计算高功率固体激光系统棒状放大器能量沉积分布的模拟程序。
The ray tracing and Monte Carlo method are applied to calculate the distribution of deposited pumping energy within a rod amplifier of the high power solid state laser system.
利用光线追踪方法在近轴近似下模拟了高斯光束在不同折射率分布纤维状介质中的传播。
In this paper, it is analyzed the propagation of a Gaussian beam in fiber media with ray tracing under the paraxial approximation.
所有的光线在表面分布的都非常平均，实际上并不该是如此。
All light is divided pretty much equally over the surfaces right now, which is not how it works in reality.
采用光线追迹法模拟计算出单个二极管在不同抽运参数下直接抽运激光棒时，激光棒所吸收的抽运光功率的分布。
The pump power distribution in the single diode directly pumped laser rod with different pumped parameters is simulated using the method of ray trace.
本文主要研究了一种新的测量方法——细光束扫描来测量光线预制棒的折射率分布。
In this paper a new measure method is described — the technique of thin beam scan to measure the distributing of refraction ratio of section plane of polymer optical fiber.
该方法利用半球谐基函数对入射光线正交化，利用两个半球上的笛卡儿积来定义物体表面的双向反射率分布函数。
This method USES the hemispherical harmonics basis to represent incoming radiance and USES the Cartesian product of two hemispheres to define the BRDFs.
本文提出一种计算波导纤维光线时间延迟的新方法，并给出了各种折射率分布形式纤维的计算结果。
This paper deals with a new method for calculations of ray delay in waveguide fibre, and presents the calculation results for the fibre with various transverse refractive profile.
实验表明，无缝棱镜导光管能够以较高的效率传输光线，并将光线较为均匀地分布于传播路径。
Experiments show that the guide has high light-transmitting efficiency that makes high illuminance at the end of the guide so that the surface of the guide is illuminated uniformly.
简述了冠层辐射分布的常用研究方法，介绍了光线跟踪技术的原理及其在辐射传播中的应用。
The common methods about research on the distribution of radiation in canopy are introduced. The principle of ray-tracing technology and its application in radiation transmission are described.
太阳光倾斜的照射分布在（南半球）更广大的地表并且在光线到达地表前必须大气中穿行更长的距离。
The sun's glancing rays are spread over a greater surface area and must travel through more of the atmosphere before reaching the earth. There are also fewer hours of daylight in a 24-hour period.
太阳光倾斜的照射分布在（南半球）更广大的地表并且在光线到达地表前必须大气中穿行更长的距离。
The sun's glancing rays are spread over a greater surface area and must travel through more of the atmosphere before reaching the earth. There are also fewer hours of daylight in a 24-hour period.
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