• The South Pole Telescope, which began scientific observations in 2007, surveys the sky for cosmic microwave background radiation, the "afterglow" of the Big Bang.

    南极望远镜2007年开始工作的作用观察宇宙微波背景辐射是宇宙大爆炸余辉”。

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  • Launched in 2001, WMAP measures differences in the Cosmic Microwave Background (CMB) radiation, the residual heat of the Big Bang that fills the Universe and appears over the whole of the sky.

    WMAP2001年被送入太空,用来测量宇宙微波背景(CMB充满整个天空爆炸残留热量)辐射差异

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  • They were also concerned aboutsky shine”: radiation emanating from the roof that’s reflected downward by atmospheric particles.

    此外,他们担心天空回散照射(skyshine)”的问题:房顶散发辐射大气中的颗粒向下反射

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  • What they found was that radiation was coming from everywhere in the sky (that they could measure) with the same exact energy!

    他们发现辐射天空各个方向(他们可以测定)射具有相同的能量!

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  • Sun elevation: the higher the sun in the sky, the higher the UV radiation level.

    太阳高度:太阳空中紫外线辐射水平就越高。

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  • The louvers may be adjusted so that they reject summer radiation, admit overcast sky luminance or act as light shelves, depending on the nature of day and the requirements of each storey.

    百叶窗可以调节以阻挡夏天辐射接受多云天气的自然光充当灯架,这将取决于天气情况层的具体要求

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  • With the help of special radio telescope, the intensity of radiation can be measured in different parts of the sky.

    借助于专门射电望远镜,就可以测量天空中任何地方辐射强度

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  • In the first part of this paper some typical methods for measuring sky long wave radiation and sky effective temperature are briefly reviewed.

    本文一部分天空长波辐射天空有效温度测定方法作了简要评述

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  • It is integrated with the functional modules for hull radiation, stack plume radiation, sea-sky background radiation, atmospheric transmission and infrared seeker.

    系统集成了船体辐射场、排气烟羽辐射场、海天背景辐射、大气传输计算红外导引头等功能模块

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  • The principle, the system concept and the choice of lamp, spectrum, filter of the night sky radiation simulator for the performance evaluation of lowlevellight night vision systems is introduced.

    介绍用于微光夜视仪性能评价天光模拟器原理系统概念以及光源光谱滤光片等的选择

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  • If your schedule is flexible, go outdoors in early morning or late afternoon when the sun is lower in the sky. UV radiation peaks at midday, when the sun is directly overhead.

    如果日程安排灵活,可以尽量选择早晨或者傍晚,尽量避免中午太阳辐射最高峰时刻出行。

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  • The 3-d cloud of the cloudy sky is created through the particle system, and its radiation is obtained by grey body approximation.

    位于空中三维云团采用粒子系统生成并用灰近似方法得到红外辐射值。

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  • According to the characteristics of agroforestry systems in hilly regions in the Sichuan Basin, a theoretic analysis is given to the distribution features of diffue sky radiation in these systems.

    根据四川盆地浅丘区农林复合系统特点,从理论上分析系统内天空散射辐射令布特征

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  • Finally, the variation laws of sky radiation temperatures in the wave band are given qualitatively.

    最后给出了波段天空温度变化规律

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  • According to the practical need of infrared surveillance system, the infrared radiation feature of missile and predigest model under the background of sea and sky was studied.

    本文从舰载红外警戒系统实际需要出发,针对海空背景低空来袭舰导弹目标,深入研究了导弹的红外辐射特征建立了其红外辐射的简化模型。

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  • According to the practical need of infrared surveillance system, the infrared radiation feature of missile and predigest model under the background of sea and sky was studied.

    本文从舰载红外警戒系统实际需要出发,针对海空背景低空来袭舰导弹目标,深入研究了导弹的红外辐射特征建立了其红外辐射的简化模型。

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