文章主要针对激光光学系统设计中存在的球差对高斯光束像方束腰半径的影响进行了详细的讨论,并给出了具体关系。
The effect of spherical aberration on the radius of image beam waist in the design of laser optical system is discussed in detail, and the expression is presented.
本文提供了修正角膜半径校正近视时,半径变化量和屈光度差之间的关系式;
The relations between the radial variance and the diopter difference are given in this paper for correcting the cornea radius to rectify short—sight.
针对传统酸化工艺酸化半径小,酸化效果差的缺点,研究实施了低渗透油藏缓速酸化工艺新体系。
Focus on the traditional acid system has little radius and bad acid result, the system of low to permeate oil reservoir slow speed sour craft has been studied and implemented.
这条管道半径两端间存在一速度差。
There is a velocity difference across the radius of the pipe.
计算分析了注浆压力差随稠度系数、流变参数、裂隙高度的变化情况以及裂隙高度对最大扩散半径的影响。
It was shown that the grouting pressure difference was related to the rheological parameters, consistency coefficient and gap width of grouting. The penetration radius was also affected by gap width.
并给出了非接触式、浅近切割式及相切式牛顿环的统一的光程差,牛顿环半径及凸透镜曲率半径测量公式。
And give out the unified optical path, Newton's ring radius and convex lens curvature radius measurement formula of non - contact type, simple cutting type and tangent type Newton's Rring.
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.
发现机构上下平台外接圆半径的差和移动副杆长的关系对机构可达工作空间大小和形状的影响;
The dimension and shape of workspace are analyzed which are effected by the relationship of two factors which are the difference of fixed and moving platform's circumradius and the prismatic's length.
利用有限差分法对该模型进行了求解,并对无因次电导率、电极位置和电极半径对原油采收率的影响进行了模拟试验研究。
The model was solved using finite difference method. Influences on crude oil recovery of dimensionless conductivity, electrode position and electrode radius are simulated also.
然后用时域有限差分法(FDTD)数值计算了锥形光纤光场分布,论述了在不同的包层半径处,光纤锥的光场分布特性。
Optical field in tapered optical fiber is numerically simulated using 2D finite-difference time-domain (FDTD) method, optical character in different cladding radius is expounded.
发动机和变速箱之间采用无级变速装置连接,可实现差速制动转向,转弯半径小且转向灵活。
The engine and the gear box are connected with each other by a stepless speed change device, thereby allowing the differential brake turn, small turn radius and flexible turn.
这些力合成一个三轴不等的应力状态,相当一个以最短轴为半径的球状应力迭加一个差应力。
The stress state can be described by a sphere stress having the radius of the minimum axis with the superimposition of a differential stress between the maximum and the minimum axes.
构建了介质柱间距变化的变周期结构以及介质柱半径线缺陷两种二维光子晶体模型,并将时域有限差分法用于其能带特性研究。
Two models of 2d photonic crystal of line defects and nonperiodic dielectric rods are established. The finite-difference-time-domain method is developed for the study of bandgap.
并给出了非接触式、浅近切割式及相切式牛顿环的统一的光程差,牛顿环半径及凸透镜曲率半径测量公式。
Theory derivation proved that non-contact type and simple type cutting Newton's Ring device possesses the identical interference law and measurement …
并给出了非接触式、浅近切割式及相切式牛顿环的统一的光程差,牛顿环半径及凸透镜曲率半径测量公式。
Theory derivation proved that non-contact type and simple type cutting Newton's Ring device possesses the identical interference law and measurement …
应用推荐