aperture of lens
英 [ˈæpətʃə(r) ɒv lenz]
美 [ˈæpərtʃʊr əv lenz]
【医】透镜角孔径， 角孔径
双语例句
- Short focal length ( high aperture) lens Measurement of optical surface and foci of long focal length lens by CGH
短焦距（大孔径）透镜计算全息法测量长焦透镜面形和焦距 - The visual field of the reconstructed image is extended and is not limited by the aperture of the lens.
这个全息图重现像的观察范围很宽，视场不受透镜孔径的限制。 - The application of re-imaging technology can solve the problem of big aperture of front lens and realize a100% of cold stop efficiency as well.
系统采用二次成像技术，既解决了系统前端口径大的问题也实现了100%冷光阑效率的问题。 - Meanwhile, according to the experimental results, the resolution of the imaging system is decided by the size of unit on the DMD when the aperture of lens is big enough.
且实验表明在透镜口径足够大时，成像系统的分辨率由DMD面元大小决定。 - The dynamic range of volume hologram imaging depends on the hologram diffraction efficiency and the material. The depth resolution depends on the numerical aperture of the objective lens and the thickness of the hologram.
体全息共焦成像的动态范围取决于全息衍射效率和材料的限制，而深度分辨率则取决于物镜的数值孔径和记录介质的厚度大小。 - 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。 - By measuring diffraction peak distribution curve and measuring torsion resistance of lens with different apertures, we learn that diffraction peak change greatly when the aperture approaches the brim of X-ray lens.
通过测定不同透镜的峰位分布曲线和选用不同的光阑测定不同透镜的扭曲度，得知光阑越接近X光透镜的边缘，衍射光的峰位变化越大； - Many efforts have been made to increase the memory density of the optical disks such as increasing the numerical aperture of the objective lens and decreasing the light wavelength to blue or purple range.
目前人们正在设法进一步提高光盘存储器的存储密度，如采用大数值孔径物镜或使用较短波长光源（如蓝光、紫光存储）。 - The calculating results are that: high_frequency and low_frequency end of arrival_angle fluctuation spectrum will decay fast when the aperture of lens is small, but they will decay slowly when the aperture is large;
计算结果表明，当接收孔径较小时，到达角起伏谱的高频端和低频端形状都有较大的衰减，而接收孔径大时，到达角起伏谱的高频端和低频端衰减较小； - As NA ( numerical aperture of lens) increases, the focal depth of the h-SIL decreases rapidly and monotonously, whereas the focal depth of the s-SIL has a one-period-only oscillatory behavior.
h-SIL的焦深随透镜数值孔径的增加迅速单调减小，而s-SIL的焦深随透镜数值孔径的增加呈现出只一个周期的振荡行为。 - A prefiltering aperture is included to remove the higher order spatial frequencies associated with the inherent grating structure of the LCTV. A lens is added to enlarge the Fourier spectra in order to perform spatial filtering easily.
给出了基本的实验装置，一预滤波孔用于除去LCTV固有的光栅结构的高阶空间频率，一透镜用来放大付里叶频谱使空间滤波更容易。 - In order to reduce the aperture of lens possibly in case of enhancing the utilization ratio of laser energy and enlarging imagery area, we illuminate the front Fourier transform lens with convergent light.
在提高激光能量利用率和增大成像面积前提下，为了尽量减小透镜口径，采用会聚光照明前傅立叶变换透镜。 - Effective Radius and Effective Numerical Aperture of the Self& Focusing Lens Array
自聚焦透镜的有效半径和有效数值孔径 - When the measuring system of point scanning confocal microscope is designed, the parameter of object lens is important because the measuring precision of the system are determined by the numerical aperture of lens.
在设计点扫描激光共焦显微镜测量系统时，物镜参数的选择是至关重要的，因为它的数值孔径大小直接影响着系统的测量精度。 - In high numerical aperture and low technic factor lithography process, degradation of the image quality because of the coma aberration in the projection lens has become a serious problem.
在高数值孔径、低工艺因子的光刻技术中，投影物镜彗差对光刻质量的影响变得越来越突出，因而需要一种快速、高精度的彗差原位测量技术。 - It is shown by a great number of numerical calculation results and physical analyses that the beam quality depends on the obscure ratio of the rectangular aperture, spherical aberration of the lens and the order of the super Gaussian beam.
大量数值计算和物理分析表明，超高斯光束经有方环光阑透镜后的光束质量与方环遮拦比、透镜球差和超高斯光束的阶数等因素有关。 - Based on third-order aberration theory, a null testing system using compensator for an off-axis convex hyperboloid mirror is designed, it avoids that the aperture of auxiliary lens is overmuch larger when the Hindle test is applied.
从三级像差理论出发，设计出了离轴凸双曲面反射镜的Null补偿检验系统，克服了采用Hindle球检验口径过大的问题。 - Measurements show that the lens has no spherical aberration across the total effective aperture of 8 mm, and for a 4 mm-width beam and a lens with 20 mm focal length, the width of the focus is about 4 μ m.
实验测试结果表明，短程透镜在通光孔径8mm内消球差，对4mm宽的平面波束，焦距20mm的短程透镜，其焦点束斑宽度小于4μm。 - The effect parameters, such as fiber optical spot size, the numerical aperture and magnification of a gradient index lens, match and assembly between a gradient index lens and the fiber on axial resolution of the fiber optical confocal microscope.
分析和研究了光纤光斑尺寸、透镜的数值孔径、放大倍率、光纤与透镜的匹配及装配等对自聚焦共焦光纤传感轴向分辨率的影响。 - It is shown that the aperture diffraction, coherent property of the optical field and the astigmatism of lens affect the intensity properties of partially coherent light.
研究结果表明，被光阑像散透镜聚焦的部分相干光在其轴上的光强特性与光阑衍射、光场的相干性和透镜的像散有关。 - While the incident beam degrading to plane wave and the relative aperture of lens being large, the described optical field distribution along the axis of lens 1s consistent with the results given in the book of "Principles of Optics".
当高斯光波退化为平面波和透镜相对孔径较大时，它所描述的光轴上的场分布与《光学原理》.一书上的结果一致。