光学密度

  • 网络optical density
光学密度光学密度
  1. 本文概括阐明了由ISO规定,通常用在不同影像技术工作中的主要几种光学密度测量的光谱条件。

    This paper presents a brief summary of spectral conditions defined by ISO for the measurement of main types of optical density usually used in routine work of different branches of image technology , e. g.

  2. 视觉光学密度标准的比对

    Vision Interlaboratory Comparison of Visual Optical Density Scales Between NIM and PTB

  3. 对角相干态表示求量子光学密度算符

    Calculating Density Operator from Diagonal Coherent State Representation in Quantum Optics

  4. 光纤烟气光学密度传感器的研制及应用

    Design and Application of Optical Fiber Smoke Sensor

  5. 其中测试内容包括:①利用色度仪测量打印颜色的光学密度;

    Such measurement techniques include : color density ;

  6. 研制成功一种光纤烟气传感器,用于测量烟气的光学密度。

    A kind of optical fiber smoke sensor which is used to measure the optical density of the smoke is introduced .

  7. 本文报导一种新的光学密度测试系统,可具有多种自动化和计算机化的测试和数据处理功能。

    This paper reports a new optical density measuring system with a series of automatic and computerized measuremnt and datas treatment functions .

  8. 影响印片质量的一个重要因素是均匀色面积上小面积光学密度的涨落,称为颗粒性。

    An important aspect of poor print quality in color print is color density variation in micro areas , which is described as graininess .

  9. 本文设计并制作了光学密度高、带宽窄的全息滤光片,达到了滤除瑞利散射光的目的;对激发光源、激发光路、收集光路精心设计,提高信噪比。

    A high optical density and narrow bandwidth holographic filter was made in order to reject the Rayleigh scattering . The optical path of excitation and collecting were designed carefully .

  10. 目的:基于对称性器官X线照片影像左右两侧光学密度不对称的现象,解疑X线管短轴方向的X线强度分布是否相等。

    Objective : To study density difference of symmetrical organs images between the left and right and explain consistency of X-ray intensity distribution on the short axis of X-ray tube .

  11. 纸张交纤的评估使用最多的方法是应用纸张质量或光学密度的变异系数,即一般所谓交织指数。

    The most frequently used method of paper formation evaluation is by formation index , or coefficient of variation ( COV ) of mass or optical density variation of the paper .

  12. 该方法建立了数字影像中红、绿、蓝色值与印片三色光学密度的关系,由三色数值标准偏差的平方加权组合形成颗粒性评价值。

    The red , green and blue digital color values of a digital image , from a flatbed scanner , were related with optical densities , and their standard deviations were composed into graininess .

  13. 研究了工艺参数对全息涂料涂布均匀性的影响规律,给出了涂膜光学密度变化的数学表达式,以及定量评价涂布不均匀度的方法,为涂布工艺参数的优化设计,提供了理论依据。

    The rule of which process parameter influences coating uniformity of holographic coating was studied . Optical density change of coating film and the method for evaluating coating non-uniformity quantitatively were given , which supply theoretic evidence for optimization design of holographic coating process parameter .

  14. 近场光学高密度存储研究进展

    The Advancement of Near-Field Optical Storage with High Density

  15. 有些物体是不透光的。光学透射密度,即光学玻璃或器材的透光程度,是不透明度的对数

    Some objects do not allow light to go through them . optical transmission density

  16. 此装置采用单片机控制光学变密度盘,浮点放大器技术。

    It is applied that optic variable density disk which controlled by microcomputer and floating point amplifier technology in this device .

  17. 而且,半导体激光器可以作为近场虚拟光探针,应用于近场光学高密度存储、纳米光刻、近场光学成像以及光谱探测等领域。

    Moreover , semiconductor lasers are also used as near-field optical virtual probes in near-field high-density optical data storage , nano-lithography , near-field optical imaging and spectral detection etc.

  18. NaBr的电子结构和光学性质的密度泛函研究(英文)

    Density Functional Study of Electronic Structural and Optical Properties of Sodium Bromide ( NaBr )

  19. 近场光学在高密度存储中的应用

    The application of near-field optics in high density data storage

  20. 显微图像的光学薄膜缺陷密度统计

    Optical coating defects density research based on image

  21. 过渡金属类立方烷原子簇化合物电子结构和二阶非线性光学性质的密度泛函理论研究

    Electronic Structure and Second-order NLO Properties of Cubane-like Transition Metal Cluster Compounds : A Density Functional Theory Study

  22. 在量子光学中引入密度算符定义了高次关联函数继而讨论了量子光学相干现象。

    In quantum optics the density operator is used to define a higher order correlation functions and to discuss the quantum theory of optical coherence .

  23. Cataractogenesis-Light光学显微镜与Scheimpflug密度分析白内障和糖尿病、非糖尿病透明晶状体的晶状体上皮改变

    Changes in the lens epithelium with respect to cataractogenesis-Light microscopic and Scheimpflug densitometric analysis of the cataractous and the clear lens of diabetics and non-diabetics

  24. 测量光学或摄像的密度的仪器。

    An instrument for determining optical or photographic density .

  25. GB/T7962.20-1987无色光学玻璃测试方法密度测试方法

    Colourless optical glass test methods & Density

  26. 光学薄膜的聚集密度

    Packing Density of Optical Thin Films

  27. 利用该装置测量了一氧化碳分子的光电离效率曲线及其离子碎片的部分光学振子强度密度。

    The photoionization efficiency curve and the partial optical oscillator strength densities for different fragments of CO was determined by this work .

  28. 这种光纤结合了亚波长光纤和液芯光纤各自的优点,将在传感、非线性、光学传输、高密度光集成、光通信等领域发挥潜在应用。

    This kind of fiber combines the merits of both sub-wavelength fiber and liquid-core fiber . It may find potential applications in sensing , non-linear optics , optical propagation , high-density optical integration and optical communication .

  29. 本文利用扫描电子显微镜和光学显微镜以及梯度密度法研究了不同湿法纺丝成形条件所得初生纤维的结构和表面形态,讨论了成形条件与初生纤维结构及性能的关系。

    The structure and morphology of as-spun fiber spun under different coagulation conditions are studied by means of electron scanning microscope , biological microscope and fiber density measurement , the relation between coagulation conditions and the structure as well as the property of as-spun fiber are discussed .

  30. 光学器件的集成化、小型化是信息化发展的需求,而传统介质波导存在衍射极限,制约了光学器件的集成密度。

    The integration and miniaturization of optical devices are the requirements of information technology development , but the diffraction limits of traditional dielectric waveguide constraint the integration intensity .