目的描述一种投影式数字焦度计。
设计了一套光焦度测量采集处理系统。
A collecting and processing system is designed for the dioptric measurement.
提出一种数字投影式顶焦度测量的技术方案。
A technical scheme for the digital projection type vertometer is proposed.
讨论了双贴合无光焦度校正板放在次镜后的双反射球面系统。
A two-sphere system with a two-lens zero-power corrector placed behind the secondary mirror was discussed.
利用物距、像距法测量薄透镜的焦度是几何光学中最常用的方法。
Measuring the focal lengths of thin lens by means of object distance and image distance is a commonly utilized method in geometric optics.
方法设计的焦度计主要由照明系统、准直系统、投影光学系统组成。
Methods The designed lensometer primarily consists of light system, collimating system and projective system.
自动焦度计是用于测量镜片光学参数的仪器，是眼镜行业所必备的仪器之一。
Automatic focimeter is used to measure the optical parameters of the lens apparatus.
本文论述了用波差法求解星模拟器上的光学系统各透镜光焦度和曲率半径的方法。
The method is argued in the paper which is used to obtain dioptrie and radius of lens of optical system on the apparatus of artificial star by wave aberration.
讨论了由单一二次反射镜和放在其后的两透镜无光焦度校正板组成的光学系统的像差特性。
The aberration characteristics of the optical system of a single conic reflector and a two-lens null corrector are discussed.
目的：证实采用接触镜专用标准透镜组标定的焦度计不能准确测定被测角膜接触镜的顶焦度。
Objective:To confirm that the lensometer adjusted by the special lenses group for contact lenses can't express the back vertex power of contact lenses.
本文叙述了焦度计的误差，顶焦度标准镜片内表面弯度的选择原则，以及标准镜片的测量方法等。
This paper describes the error in focimeters, the principle of selection on curvature of inside face for vertex power of standard lenses and the method for measuring them.
这种方法在一定程度上降低了变焦系统光焦度分配的难度，同时为探寻新的变焦运动方式提供了新的思路。
This method helps to reduce the difficulty of power allocation and provides different ways to find the new compensation mode.
在角膜数据的基础上，从理论上分析了等效折射率和曲率半径测量误差对屈光手术后角膜光焦度测量的影响。
Based on the corneal data, the effects of equivalent refractive index and error in radius of curvature on the corneal vergence measurement after refractive surgery are studied theoretically.
棱镜转动定理是我国首先提出的，实际上此定理描述的是物、象空间方向共轭关系，适用于无光焦度光学系统。
The prism turning theorem as first put forward in China describes the directional conjugate relation between the object and the image space, being applicable to afocal systems.
为了寻找新的变倍补偿方式并降低设计变焦距系统时对经验的过分依赖，提出了一种光焦度分配及变焦补偿方法。
In order to arrive a new compensation mode that reduces the dependence on design experience for a zoom lens, a way for power allocation and compensation is proposed.
针对目前国内单点测量抗干扰能力差、测量精度不高，提出基于哈特曼光阑多点区域测量来实现焦度的全自动测量。
Multipoint area measurement which based on Hartmann diaphragm is proposed for poor anti-jamming capability and poor measure accuracy of single-point measurement method at present.
顶焦度计又称对光机、查片机，可用来测量球光镜镜度、散光镜镜度、棱镜镜度以及散光轴线和光学中心点等，是眼镜片冷加工中必不可少的检测仪器。
The lensometers is also called measural lens dioptre instrument, to measure spherical lens dioptre, cylindric lens dioptre and axis, prism dioptre, and lens optical center etc.
该种抛物面太阳能收集槽已采用这种新型电池板、它能将照射在上面日光焦中在抛物面的焦点部位，与以前不同的是，它能将水温加热到1450华氏度（788摄氏度）。
This new panel has been used in a new dish design which also focuses the sunlight into one spot, but this time to a temperature of 1450 degrees F.
模拟计算结果表明，在共焦系统中利用该掩模可以改变系统的点振幅响应，从而提高分辨率，并增强图像的反衬度。
The computation simulation results show that in confocal optic system this mask can change the point amplitude response. It can improve the resolution, while increase the image contrast.
在大约摄氏280度，挥发性的气体和可燃焦被放出。
Around 280 degrees C, Volatile gases and flammable tars are released.
该装置借助对图像清晰度评价来自动搜索到正焦面。
The device is by evaluating the image definition to automatically search the focal plane.
结果正常人多焦视网膜电图振幅在第一环处反应密度最高，随着离心度增加，反应密度值逐渐降低；
Result The average response density of multifocal electroretinogram in normal subjects was the greatest in the first ring and gradually decreased with the increase of eccentricity.
瑞典人对清鲜、嫩滑、焦香的菜肴非常喜欢，但口味偏重，食物的咸度以及甜品的甜度往往较高。
Swedish dishes for fresh, tender and burnt like it very much, but the taste is heavy, the salinity of food and sweet sweetness is often high.
它拥有无可比拟的锐度，焦外，整体色彩还原，以及宾得特有的动力变焦。
It boasts unmatched sharpness, bokeh, and overall color rendition, as well as the Pentax-exclusive power zoom function.
文章介绍了CBERS -1卫星的CCD相机的光学拼接、配准和定焦技术，它们是获得高清晰度图像的关键技术。
The paper introduces the key techniques of CCD camera for CBERS-1 satellite, which includes optical butting, registration and focus_fixing, they are very critical to obtain high_resolution images.
运用高灵敏度的共焦显微拉曼系统研究了多孔硅在纵向的拉曼效应和光致发光的性质。
Raman and photoluminescence studies of porous silicon were performed using a highly sensitive confocal microprobe Raman system, which allows the z direction layer analysis of the sample surface.
同样的锐度下降问题也出现在镜头的长焦段（包括中央的锐度也下降得厉害）。
The same applies to the sharpness in general (including the image center) at the lens' tele setting.
然而，由于重构出的目标图像中叠加了前景遮挡物的离焦图像，因此其对比度受到严重影响。
However, the reconstructed images suffer from degraded contrast due to the superimposition of foreground defocus blur.
共焦显微图象如荧光染色细胞核图象，往往是一种比较模糊的图象，并且亮度范围大，灰度均匀度也较差。
In most of cases, the laser scanning confocal microscopy images, such as fluorescence stained biomedical nuclei, are blurred and have a wide range of brightness and poor intensity homogeneity.
基于TDI-CCD构成的红外焦平面探测器件灵敏度高，分辨率高，能在更低照度下工作，具有广阔的应用前景。
The infrared focal plane detector based on a TDI-CCD has the features of high sensitivity and high resolution. It can operate at a lower illumination condition and will have a wide application area.
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