查询词典 angular aperture

As an application example,numerical calculation was performed for partially coherent modified Bessel-Gaussian beams propagating in free space with hard-edge aperture,and the computation errors and application ranges of those analytical equations were discussed.

以部分相干修正贝塞尔－高斯光束在有光阑情况下自由空间的传输为例作了数值计算，对所得解析公式的计算误差和适用范围进行了讨论。

Starting from the polarization matrix and propagation equation of the cross-spectral density matrix, a detailed study of the influence of hard-edge aperture on the spectral switch of polychromatic vector Gaussian-Schell model beams is performed.

从偏振矩阵和交叉谱密度传输公式出发，分析了硬边光阑对多色矢量高斯－谢尔模型光束轴上光谱开关的影响。

Taking an optical system with a hard-edge aperture as an example, the intensity distributions of two low modes of Hermite-Gaussian beam were simulated and numerically calculated with the mathematical software.

通过分析计算得到如下结论：对于任意一个含有硬边光阑的复杂光学系统，都可以把光阑的作用从系统中"移"出来，把其看作是出射光瞳的作用，从而可以较为简便地求出观察面上的场分布。

The height of the aperture and the full height, were also harmonically designed.

洞口高度和所有高度也一样和谐设计。

The position and size of the aperture can significantly affect the flow and heat transfer in the cavities.

开口度及开口位置对空腔内的流动与传热具有显著的影响。

Simulation result shows that a solar furnace using an 8m×8m non-imaging focusing heliostat with 289 mirrors coupled with a spherical concentrator with 0.7m aperture and 27cm focal length is capable of achieving flux concentration of 25,000 suns.

模拟结果显示，使用由289块子镜组成的8m×8m的非成像聚光定日镜的太阳炉，配合一个0.7m口径，焦距27cm的球面二次反射镜，可以达到25，000个太阳的聚光效果。

The conclusion discovers that the content of SO3 in cement can attain 5% in cement fly-ash stabilized hoggin and explains the mechanics using the theory of improving the gelatinization and aperture structure.

认为在水泥粉煤灰稳定碎石材料中，不使材料结构破坏和性能变坏的最大SO3含量可以达到5%，并通过胶凝性以及孔结构的改善予以解释。

The sights consist of hooded front and flip-type aperture rear, marked for 50 and 100 meters.

的景点包括蒙面前和翻盖式光圈后面，50米和100显着。

A hyperboloid with an aperture of 350 mm is tested by this method.

利用该方法对一口径为350mm的双曲面进行了拼接检测，拼接后得到的全口径面形误差的PV值为0.433lambda，RMS值为0.052lambda(lambda=632.8nm)。

The reflection effect of the spherical surface of a hemisphere solid immersion lens has been investigated using the vectorial diffraction theory for high numerical aperture systems.

应用高数值孔径系统的矢量衍射理论研究了半球形固体浸没透镜球面表面的反射对SIL系统透射场的影响。

Go to your desktop and right click in a blank space.

请到您的桌面，然后右击一个空白。

Tara appears in Buddhism, Jainism, and particularly, Tibetan Lamaism, as a complex array of manifestations: goddess of ascetism and mysticism, mother creator, protectress of all humans as they cross the sea of life.

度母出现在佛教，耆那教里面，尤其是西藏的喇嘛教，作为一系列的陈列阵容；神秘的女神，创世之母，人类横过生命之海洋的女性保护者。