numerical aperture是什么意思

网络释义

用法例句

New measurement method of the numerical aperture of optical fiber;

一种新的光纤数值孔径测量方法

Measuring numerical aperture of microscope by projection method;

用投影法测量显微镜的数值孔径

Measuring the numerical aperture of fiber by improved spectrometer;

用改进的分光计测量光纤理论数值孔径

6 NA of objective lens.

而CD则使用780nm的激光且数值孔径约为0。

Based on vector diffraction theory, a new kind of tunable binary annular filters applied to high numerical aperture objectives is designed, and how to decide annular radius in order to increase axial resolution is discussed.

根据矢量衍射理论 ,提出了一种用于提高高数值孔径显微物镜纵向分辨率的可调二元环形光瞳滤波器 ,通过改变滤波器的环半径获得不同的纵向分辨率 ,并利用共焦显微术点扩散函数的乘积性大大地降低了旁瓣相对主瓣的比值。

We considered intensity distribution of light focused by a high numerical aperture lens without spherical aberration through a planar interface between materials of mismatch refractive index.

采用光的矢量衍射理论 ,研究了场振幅为高斯分布的平面波入射到无球差高数值孔径物镜上 ,折射率失配对共焦显微术的影响 ,并进行数值模拟。

To control critical dimension(CD)effectively,bulk effect is studied in hyper-numerical aperture(NA)optical lithography and a novel optimization strategy for resist film stacks is developed to balance bulk effect with appropriate swing effect.

为有效控制成像线宽,研究了高数值孔径光学光刻中的体效应并提出一种光刻胶膜层优化方法,利用成像中的摇摆效应平衡体效应对成像线宽的影响。

The large numerical aperture optical fiber has realized the big field of vision and the wide angle observation in the observation system.

大数值孔径光纤在观测系统中,实现了大视野、大角度观察,因此在军事、医学,工业等领域具有广泛的应用需求。

large core high numerical aperture fiber

大芯径大数值孔径光纤

Hence the value of high numerical aperture for such specimens.

因此对这标本需采用大数值孔径的物镜。

Research on Craft of Large Numerical Aperture Multiple-Composition Glass Flexible Fiber;

大数值孔径多组分玻璃柔性光纤工艺的研究

A new method for measurement of numerical aperture of photonic crystal fibers

光子晶体光纤数值孔径测试的一种新方法

Generation and Focusing Property with High-Numerical Aperture Lens of Vectorial Polarized Beam

矢量偏振光束的产生及其高数值孔径聚焦性质

Focusing of Partially Coherent and Circularly Polarized Bessel-Gaussian Beams Through a High Numerical-Aperture Objective

部分相干圆偏振贝塞耳-高斯光束经高数值孔径透镜的聚焦

In the next generation of optical disk system,GaN laser and high numerical aperture(NA)objective lens are two key components.

对于下一代光盘系统而言,GaN激光器和高数值孔径(NA)的物镜是关键组件。

Numerical Solution of the Limited Aperture Problem in Three-Dimensional Inverse Acoustic Scattering

三维有限孔径逆声散射问题的数值解

diameter and number of hole

喷嘴量孔孔径及数目

Pass Design and Application of Thin Diameter Tantalum Wire Rolling Based on Numerical Simulation;

基于数值模拟的细径钽丝轧制孔型设计与应用

The simulation of photo scanning tunnel microscopy image with a metal nano-rod afflicted to an aperture fiber probe

带纳米金属棒PSTM孔径光纤探针成像的数值模拟

Numerical Simulation of Heat-Transfer Characteristics of Swirling Impinging Jet with Micro-Aperture

微小孔径旋转冲击射流换热特性的数值模拟

Simulation of effect on flow by diameter of loop reactor distributor's aperture

环流反应器分布器孔径对流场影响的数值模拟

Generally, an aperture radius of two to three times the FWHM of the PSF is a good value.

一般的，孔半径设置为点扩展函数的半宽值的两到三倍比较好。

Numerical Simulation of Load Convey Mechanism of Large Diameter Super-Long Pile;

大直径超长钻孔灌注桩荷载传递机理的数值模拟研究

Influence of Pore Diameter Distribution on Porous Nickel's Pore Volume Fractal Dimention

孔径分布对多孔镍孔体积分形维数的影响

The diameter of such an opening, often expressed as an f - number.

孔径这种开口的直径，常以f数表示

F-number: The figures marked on the lens collar to indicate the size of the lens aperture in relation to its focal length.It is the ratio of the aperture diameter to the focal length of the lens.

光圈值:刻划在镜头上用来表示镜头孔径与焦距关系的比值。经过选择的数字成一系列。