object lens
英 [ˈɒbdʒɪkt lenz]
美 [ˈɑːbdʒekt lenz]
物镜
英英释义
noun
- the lens or system of lenses in a telescope or microscope that is nearest the object being viewed
双语例句
- We must design the ratio of the source beam size and aperture of object lens reasonably to assure energy matching ratio ( EMR) and to achieve smaller size of focus point and reasonable focus depth.
必须合理地确定光源的光束口径与光盘物镜孔径比值,才能保证其光能量耦合效率,并获得较小的光斑尺寸和合理的焦深。 - They have a focal length, and where an image is formed depends on a combination of the focal length and the distance between the object and the lens.
透镜有焦距,而影像形成的位置,取决于焦距及物体与透镜距离的组合。 - An image of the object is projected by the object lens on to the photocathode of an image converting tube.
物象通过物镜投影在变像管的光阴极上。 - A mirror, lens, or combination of lenses used to gather light and direct it upon an object or through a projection lens. of or relating to or resembling or constituting a prism.
聚光器用于聚光并将光引向某物体或通过一凸透镜组的镜子、透镜或透镜组属于或关于棱镜的,类似于棱镜的,或由棱镜组成的。 - The location and distribution of the slits synthesized by moving object and imaging lens in one-step rainbow holography are analysed systematically by means of the viewpoint of optical wave field modulation of image, and a new method of two-step synthetic slit rainbow holography also given.
本文从像面光场移动的观点对一步无狭缝彩虹全息术中平移物体和透镜形成的综合狭缝进行了理论分析,并提出了一种新的综合狭缝二步彩虹全息方法。 - It possesses self focusing function through adding quadratic phase factors into conjugate frequency spectrum of object instead of Fourier lens.
并通过对傅里叶谱加入二次位相因子代替傅里叶透镜,使其具有自聚焦功能。 - For the special imaging feature of Panoramic Annular Lens, that forming an annular image circling the axis and having endless depth of field, the observing system made up of PAL can be used to observe object around the lens without moving part.
全景环形透镜(PAL)独特的成象性能,即环绕光轴360°产生一个环形象且景深为无穷远,使得由PAL组成的观测系统没有活动部件能同时观察透镜周围的景物。 - This method has a practicable significance to the un-cooling infrared object lens design.
该方法对非制冷红外热像光学系统的设计具有实际意义。 - Recording rainbow hologram of 2-D transparent object with cylindrical lens array
用柱面镜阵列作二维透射物彩虹全息 - From the perspective of the design theory of Fourier lens, the thesis combines with concrete experimental measure, analyzes theory of lens'design, removes the aberration, chromatic aberration. Besides, it experiments on spatial filtering and phase object test by lens system, image differentiation, etc.
论文从傅里叶透镜设计理论出发,结合具体实验手段,进行了透镜设计、消除象差、色差的理论分析和空间滤波及通过透镜系统进行位相型物体的检测及图像微分等的实验。