查询词典 lens

Tne paper systemically discusses the object-image relations in the thin-lens imasery with Newton Formula and the relative graphs,and new and deeper theoretical otplanations are given. Thin-lens imasery Newton Formula,graph velation

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Object and t he lens, s' is the distance between the i mage and the lens, and f is the distance

s是物体和透镜之间的距离，s' 是影像和透镜之间的距离

When the measuring system of point scanning confocal microscope is designed,the parameter of object lens is important because the measuring precision of the system are determined by the numerical aperture of lens.

在设计点扫描激光共焦显微镜测量系统时，物镜参数的选择是至关重要的，因为它的数值孔径大小直接影响着系统的测量精度。

There has been considerable research in the field of stereo vision, and most stereo vision algorithms have been developed on the basis of regular lens camera model. However, such algorithms are unable to be used in the field where the clearance between the object and lens is minimal.

目前的双目或多目立体视觉方法基本上是在常规镜头摄象机成像模型的基础上发展起来的，但这些方法无法直接用于近距离大视场立体视觉感知的应用场合。

A mirror, lens, or combination of lenses used to gather light and direct it upon an object or through a projection lens .

透镜含一个或多个透镜，用于辅助视力的一种工具，如单片眼镜或小望远镜

Secondly, using compound on-axial holographic lens to design a diffractive/refractive hybrid object lens.

随后，利用复合同轴全息透镜设计了一个衍／折混合照相物镜。

The invention relates to an optical pickup device, in particular to the optical pickup which is provided with two object lenses that are arranged around a lens supporting frame and can generate electromagnetic forces with different magnitudes correspondingly to the mass of the object lens.

本发明涉及光拾取装置，尤其是涉及在透镜支撑架周围装置有两个相对应各物镜的质量可产生大小互不相同的电磁力的物镜的光拾取器装置。

Its R/W device has a single laser source and a single object lens. The wavelength of laser source and the numerical aperture of object lens are between those of CD and DVD or same as those of CD.

此种光学记录媒体的读写装置具有单一激光光源以及单一物镜，激光光源的波长和物镜的数值孔径介于CD与DVD规格之间，或与CD规格相同。

An automatic focussing device that modifies the focal length of the lens systems in order to focus the same according to the distance from the telescopic spectacles to the object is allocated to the lens systems.

透镜系统配置有一个自动聚焦装置，它根据望远镜与对象的距离改变透镜系统的焦距使其聚焦。

Firstly, based on the basic theory of GRIN optics the optical effects of the spherical symmetry GRIN micro-sphere lens were analyzed systematically. Firstly, based on the basic theory of GRIN optics the optical effects of the spherical symmetry GRIN micro-sphere lens were analyzed systematically.

本工作从梯度折射率介质光学的基本理论出发，对球对称GRIN微球透镜的光学性能进行了系统的分析；研究了用球对称GRIN微球制作回归反射材料的可能；进而选择两种聚合物单体，采用悬浮扩散共聚法，研究制备了较大粒径的聚合物梯度折射率微球透镜。

Metrorrhagia is also gynaecological problems of common diseases.

崩漏是妇科常见病也是疑难症。

WordFTP gives you the convenience and timesaving you need.

wordftp让您的方便和省时您所需要的。