relative opening

用法例句

Objective lens of beam expander with a high-order curved surface can correct aberration for a deep relative aperture lens.

带有高次曲面的扩束器物镜能对大相对孔径的透镜校正像差。

This paper gives a discussion of the definition of relative aperture of photographic object glass.

本文对照相物镜相对孔径的定义、光圈数、像面照度、像面曝光量以及它们之间的关系进行了讨论。

object lens of large relative aperture

大相对孔径(摄影)物镜

Research of Measuring Methods for Large Relative Aperture Unfocused Aspherical Surface System;

大相对孔径无焦非球面系统检测方法研究

Design of a fore-optical objective with large relative aperture for spectral imagers

一种大相对孔径成像光谱仪前置物镜设计

Design for Special Underwater Photography Objective Lens with Wide Angle and Large Relative Aperture

大视场大相对孔径水下专用摄影物镜的设计

Aspheric mirrors and condensers in various diameters and relative apertures.

（4）各种不同口径及相对孔径的非球面镜及非球面聚光镜。

ultra-rapid lens

甚大光强[相对]孔径物镜

a compound camera lens with a relatively high aperture.

带有相对高孔径的照相机复合镜头。

Co-Phasing Error Study of the Sub-apertures' for Optical Sparse Aperture System

光学稀疏孔径成像系统子孔径位相误差研究

A 3-D dynamic displacement field is studied and tested by use of two sets of rotation aperture spackle photographic system.

采用两套旋转孔径散斑照相系统对动态三维位移场进行了研测。

EFFECTS OF ANTENNA APERTURE PHASE DISTRIBUTION ON THE SYNTHETIC ARRAY PATTERN AND THE DOPPLER-DELAY RESPONSE

天线孔径相位分布对综合阵列方向图和多普勒-时延响应的影响

Research on effect of modulated noise jamming for multiple phase center azimuth multi-beam SAR imaging

线性调频噪声对多相位中心多波束合成孔径雷达成像的影响研究

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

Phase Unwrapping in Inteferometric Synthetic Aperture Radar;

合成孔径雷达干涉测量中的相位展开

Phase Unwrapping Algorithm Research of InSAR;

干涉合成孔径雷达相位解缠算法研究

The research is focused on upstream and downstream film holes.

取气膜孔前后3倍气膜孔径范围为研究对象。

Effects of Porosity on Gas Permeability and Maximum Pore Size of Fiber Felts

孔隙度对纤维毡透气性能和最大孔径的影响

The relation is discussed between the shift of the point of maximum intensity on axis from the waist of focused Gaussian beam and the radius of the diffracted aperture, and the parameters of the Gaussian beam.

讨论了轴上点光强最大值相对会聚高斯光束束腰的偏移量同衍射孔径及高斯光束参数的关系。

A Study on the Effect of Soil Layer Nature and Drilling Machine on Variation of Cavity Diameter of Cast-In-Place Bored Piles

土层性质及成孔机具对钻孔灌注桩孔径变化的影响