查询词典 lens

The influence of the focal length in focal lens on the bottle radius and bottle length is discussed.

讨论了聚焦透镜的焦距f对径向暗域最大尺寸及轴上暗域长度的影响。

When a capillary tube, in whose inner hole an optical fiber has been fixed and whose axial deviation amount between an outer peripheral surface of the capillary tube and a core center of an end surface of the optical fiber is 1.5 mum or less, is inserted into the insertion portion of the thin tube and the end surface of the optical fiber is fixed at a position at which a distance of the end surface to a focal point position of the partially spherical lens becomes -40 mum or less, emission light has an emission light bend of 0.2 DEG or less with respect to the center axis of the thin tube.

当将光纤固定在内孔且外周面与光纤的端面的纤芯中心的轴偏移量在1.5μm以内的毛细管插入细管的插入部，并且将光纤的端面固定于部分球面透镜的焦点位置±40μm以内的距离的位置上时，出射光曲率为出射光相对细管中心轴在0.2°以内。

The merit of the invention are: 1 adopting free curved surface imaging method , three part reflection type Zernike polynomial free curved surface forms short focal distance bigger, relative apertures bigger fields of view angle imaging , rectifying optical aberration much better and its structure is simple; 2 adopting the reflection structure without optical lens, has removed the effect of various chromatic aberration , guarantee the imaging articulation; 3 adopt the design of short focal distance big fields of view angle, focal distance 8 - 15 mm, field of view angles 100 -135 degree, having 120 times multiplications under 250 mm imaging distance, having ultra-thin characteristic property; 4 adopting big relative apertures design ,the relative aperture is 2.0-2.4, having improved the illuminance of flat surface; 5 adopting image space telecentric imaging method , ensures that the image surface irradiance is homogeneous.

本发明的优点是：1采用自由曲面成像方法，三片反射式Zernike多项式自由曲面形成短焦距大相对孔径大视场角成像，更好地校正像差，结构简单；2采用无透镜形式的反射式结构，消除了各种色差影响，保证成像清晰度；3采用短焦距大视场角设计，焦距8～15mm，具有100～135度的视场角，在250mm成像距离下有120倍的放大倍数，具有超薄特性；4采用大相对孔径设计，相对孔径为2.0～2.4，提高像平面上的光照度；5采用像方远心成像方法，保证像面辐照度均匀。

Within the belt,folds,lens,structural foliation and small faults are developed and indicates the syn-collision contraction.

带内主要发育褶皱、透镜体、构造面理和小型断裂，反映同碰撞过程中的挤压变形。

"Fisheye:Of, relating to, or being a wide-angle photographic lens that covers an angle of about 180, producing a circular image with exaggerated foreshortening in the center and increasing distortion toward the periphery."

鱼眼镜头的：覆盖角度在180°左右、产生圆形图象且中央是夸张的使更向外围扭曲的透视图的广角摄影镜头的或与之有关的。

Relating to , or being a wide angle photographic lens that covers an angle of about180 , producing a circular image with exaggerated foreshortening in the center and increasing distortion toward the periphery .

鱼眼镜头的覆盖角度在180°左右，产生圆形图象且中央是夸张的使更向外围扭曲的透视图的广角摄影镜头的或与之有关的

Your Business And The Four P's 您的业务和四个P的 The "Four P's" provide a lens through which you can look deeply into your business and see how to improve it.

"四P"提供了透视镜，可以深入探讨您的业务，看看如何改进。

The hardware contains parallel lights insurement. Panoramic Annular lens. CMOS imaging device. 3-D control.The software achieves numerical integral, numerical differential coefficient, fast fourier transfer. smoothing process in the Matlab.

硬件主要由平行光管、全景环形成像镜头、CMOS成像器件、三维调节系统这么几部分组成，软件是以Matlab为平台实现了数字积分、数字微分、快速傅立叶变换、平滑处理等方面的工作。

A hardware platform of binocular stereo measuring system with simple structure was built with low cost, which consists of CCD cameras, lens, a frame grabber card, a computer and a tripod.

以较低的成本建立了一个结构简单的二目立体测量系统的硬件平台，主要包括CCD相机和镜头，图象采集卡、计算机、三角架。

The key techniques relating to machine vision are also explained in detail, for example, illuminating resource, optical lens,camera, image frame grabber,image processing card,integrated vision unit and so on.

一个典型的工业机器视觉应用系统包括光源、光学系统、图像捕捉系统、图像数字化模块、数字图像处理模块、智能判断决策模块和机械执行模块，如图1所示[1]。

Of the so of Joa Obadiah the son of Jehiel, and with him two hundred and eighteen males.

8：9 属约押的子孙有耶歇的儿子俄巴底亚，同着他有男丁二百一十八。

The average strength of a panzer division was around 15,000 men, but this could vary according to battle losses and the speed of replacements.

一个装甲师的平均兵力大约有15，000人，但是这一数字依照作战损失及替换兵员的速度而变化。