The path equation of the light in self focusing optical fibre is derived in this article. The essential of the self focusing is clarified.
推导了自聚焦光导纤维中光线传播的路径方程，阐明了自聚焦作用的物理实质。
The paper presents the constitutional characteristics of the new mechanism of the symmetric curves with the single axis and analyses the path equation and its solutions.
本文阐述了单轴对称曲线新机构的构成特点，分析了轨迹方程及其解析法。
Starting from the ray path equation, object-image relationships are found and used to determine the equivalent focal length and the principal planes of tapered GRIN fiber.
本文从光线轨迹方程出发，推导了锥形梯度折射率纤维的物像关系式，并得出了它的等效焦距和主平面位置。
The profile equation of brake cam of DD680 series motor vehicles and tool path equation for processing copying cam have been obtained by using analytical theory of cam mechanism.
利用凸轮机构的分析理论，获得了加工DD680系列汽车制动凸轮的轮廓曲线方程和加工该靠模凸轮的刀具中心轨迹方程。
The equation of state of dense hydrogen plasma were calculated by Direct Path Integral Monte Carlo approach.
采用直接蒙特卡洛路径积分方法计算了稠密氢等离子体的物态方程。
Methods the primary essentials of healthy aging and their related factors were analyzed by validated factor analysis, path analysis and structure equation modeling.
方法应用验证性因子分析、路径分析和结构方程建模等方法分析健康老龄化的基本要素及其影响因素。
The path integral Monte Carlo method with a constant pressure ensemble is used to study the equation of state of solid hydrogen with translational and rotational degrees of freedom.
同时考虑分子的平动与转动自由度，用等温等压系综的路径积分蒙特卡罗方法研究了固体氢的状态方程。
More practical ray tracing methods currently include the wavefront method, the shortest path method, the travel time epenthesis method, the eikonal equation finite difference method, etc.
当前实用性较强的射线追踪方法，包括波前法，最短路径法，走时插值法，程函方程有限差分法等。
The damage evolutionary path and the damage equation which depicts the fatigue damage accumulation are introduced also in this paper.
文中给出了损伤演变路径和描述该损伤演化行为的疲劳累积损伤方程。
Then again, with valid questionnaires this paper makes use of linear Structural Equation Modeling fitting analysis and causal link between the path analysis.
再然后，结合得到的有效问卷数据，利用线性结构方程进行模型的拟合度分析和因果关系路径分析。
Two basic methods of solution of the Fokker-Planck equation, i. e. the method of the representation of eigenfunction and that of the path integral, are discussed.
本文讨论了福克-普朗克方程的两种基本解法，即本征函数展开和路径积分方法。
To study the structure of telecentric beam path for zoom lens system, the axial displacement equation for the stop was deduced, which keep the system telecentric in all zoom position.
进一步研究变焦距系统远心光路的结构特征，得出了使系统在整个变焦过程中都处于远心位置的光阑轴向位移方程。
The latent variable path analyses of SEM (structural equation modeling) were used for data analyses.
数据分析方法采用的是结构方程模型。
A fault diagnosis equation for the twin-spool mixed flow turbofan engine was established based on the simulation and gas path analysis.
并以此为基础运用气路分析原理，选取表征发动机性能参数变化的症兆变量和测量参数，建立了发动机故障诊断小偏差方程。
The exact analytical equation for the effect AB is worked out by the method path integral.
本文用路径积分方法导出了AB效应的精确解析式。
Furthermore, equation of offset surface from the reconstruction would make easy planning for cutting tool path in NC machining of the radome.
求算的等距面方程，为数控加工中刀具轨迹的规划奠定了基础。
It is derived that fifth order displacement equation is the smoothest path, for which the criterion is minimum-jerk control.
研究出的五阶轨迹规划算法在保证运动轨迹平滑的前提下，实现了在各种约束条件下时间最小。
It is derived that fifth order displacement equation is the smoothest path, for which the criterion is minimum-jerk control.
研究出的五阶轨迹规划算法在保证运动轨迹平滑的前提下，实现了在各种约束条件下时间最小。
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