近光源实验证明了P_3近似理论能够描述光源附近光辐射分布。
The experiments prove thatP3 approximation theory can describe the radiance close to sources.
该原则同样适用于侧光：侧光源离被摄主体近时，整个画面的光线衰减将比光源离主体远时更明显。
The same holds true for sidelighting: With a light close to the side of your subject, the falloff of light across the frame will be more pronounced than if the light is farther away.
本设备是以长弧氙灯为光源，模拟和强化耐候性加速老化的试验设备，以快速获得近大气老化的试验结果，用来评价材料的耐侯性。
This equipment use long arc xenon lamp as light source imitate and strengthen weatherability accelerate ageing to get near air ageing test results quickly then evaluate the material weatherability.
六通道瞬态光学高温计是在可见光和近红外光谱范围内，把光源的热辐射取出六个波段进行测量。
The six channel instantaneous optical pyrometer is used to measure the thermal radiation of the light source at six bands from visible to near infrared spectrum.
采用近红外线状光源、CCD及计算机图像处理等技术，实现钢轨磨损检测系统的软硬件设计。
The linear light source of the near infrared, CCD technology and computer image processing technology have been applied in the software and hardware implementation of rail abrasion detection system.
在优选的实施例中，光源发出可见的红外或近红外光。
In a preferred embodiment, the light sources are emitting visible, infrared or near-infrared light.
频域近红外光谱系统利用一个高频正弦信号对光源进行调制，从而在大脑这类强散射介质中形成一种漫射光子密度波。
The frequency-domain NIRS instruments modulate the light with a RF sine wave, which generates diffuse photon density wave (DPDW) in turbid tissue like brain.
介绍了一种光谱辐照度动态测量系统，它适用于对曳光管等瞬变光源的近红外光谱区辐射情况进行动态分析。
A new Spectrometer is introduced. It is specially designed for dynamically analyzing radiance of near-infrared instant light source.
系统分析了太阳近紫外能量累积值与紫外能谱实测结果及实测阳光碳弧、紫外碳弧、氙灯等人工光源紫外能谱分布图；
The accumulated solar UV data, solar UV-spectrum in Guangzhou area, and UV-spectrum of artificial lamp as sunshine carbon arc, UV carbon arc, xenon arc etc were analyzed.
背景：目前用于激光针灸的光源以红光或近红外光为主，对生物组织具有穿透能力，但无热效应。
BACKGROUND: infrared light or near infrared light mainly serves as light source of laser acupuncture and moxibustion. It can penetrate biotic tissues with no heat effect.
另一方面，移动光源移近一点也使它更亮了。
On the other hand, moving a light closer also makes it brighter.
系统分析了太阳近紫外能量累积值与紫外能谱实测结果及实测阳光碳弧、紫外碳弧、氙灯等人工光源紫外能谱分布图；
This article describes that we tested Solar UV accumulated data, Solar UV-spectrum in Guangzhou area and UV-spectrum of artificial lamp as sunshine carbon arc, UV carbon arc, xenon arc etc;
光源输出的近红外波段和其他波长，可以用在特定荧光基团的激发。
The NIR outputs as well as other wavelengths can be used for targeted fluorophore excitation.
光源输出的近红外波段和其他波长，可以用在特定荧光基团的激发。
The NIR outputs as well as other wavelengths can be used for targeted fluorophore excitation.
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