而当我们考虑运动点的轨迹的时候，轨迹可以称作是参数方程。
And, so when we think of the trajectory of the moving point, that's called a parametric equation.
本文根据光线轨迹方程，讨论一种等折射率面为指数型变化的梯度折射率纤维透镜的成象特性。
The imaging characteristics of a GRIN fiber lens with exponential variation of the constant-index surfaces are discussed based on the ray paths equations.
分析横轴式截割头摆动截割时截齿的运动轨迹，建立了其几何模型和运动方程。
By analyzing motion orbits of picks when a horizontal cutting head cuts, geometry models and motion equations are set up in the paper.
设计过程中按推导出的数学方程构造各段螺旋线，并以该螺旋线作为扫描轨迹，遵循范成法原理包络出螺杆的各段螺旋曲面。
The varying pitch helixes were constructed on the parameter equation, and were selected as sweep trajectory; the surface of the screw was enveloped on the generating method.
利用变动图形吕的静止或相对静止因素，抓住主要动点及其与已知条件的联系，正确求出轨迹方程。
Use static elements or relative static elements in the changing graph to get the main moving point and its relations with other known conditions to correctly calculate the orbit equation.
采用迭代法求解该优化方程来逼近运动轨迹任意处伪活动标架的旋转变换矩阵。
An iteration method is presented to solve the optimization function for approximating the rotation transformation part of the pseudo moving frame at any position of the motion trajectory.
本文提出了基于机械臂关节驱动力矩约束方程规划其关节最优运动轨迹的一种有效方法。
In this paper, an efficient method of joint trajectory planning for industrial manipulator is developed, having considered the dynamic constraint of the system.
本文主要是推导出投掷器械运动的轨迹方程和投掷角度的计算方法。
This paper introduces the trace equation of moving-throw device and the calculating method about the throw Angle.
本文用微分几何理论推导出纤维缠绕复合材料压力容器的非测地线缠绕轨迹、包角方程及绕丝头运动方程。
Non geodesic trajectory mandrel rotation and payout eye motion equations for fiber reinforced composite pressure vessels are derivated by theory of differential geometry.
以轨道半径和轨道倾角为未知量依据星下点轨迹要求条件构建了非线性方程组，但直接求解过于复杂，采取迭代的方法解决。
Non-linear equations are(constructed) with the restriction of the satellite ground trace to resolve the unknown semi-axis and inclination, but it's too complicated to be resolved directly.
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 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.
首先，将基于时间历程的质点动力学方程转化为基于高度剖面的质点动力学方程，同时利用动压代替速度，使轨迹形状直接和动压约束相关。
First, time replaced by altitude and dynamic pressure as the independent variable of nonlinear equations of motion, which make the trajectory shape correlative to dynamic pressure constrains.
借助随机有限元方法和摄动方程初步分析了钻压波动对井眼轨迹的影响。
The effects of WOB fluctuation of drill string on the wellbore trajectory are analyzed by using stochastic finite element method and perturbation equation.
为提高灭茬刀辊设计的可靠性和效率，基于UG-NX 3软件，根据运动方程绘制刀刃运动轨迹，形象直观的获取动态隙角。
For improving the design reliability and efficiency of the stubble roller, visualized dynamic gap Angle was obtained though drawing blade moving track according to movement equation using ug - NX3.
采用微分方程高精度数值解法得到了随时间变化的摆角、摆长、摆长变化率以及运动轨迹的数值精确解。
The accurate numerical solutions of the angular displacement, the length and its rate, and the path are given with the numerical method.
实验结果表明，采用图像处理技术是可以将一个采集来的图像经过边缘锐化和边缘检测形成比较清晰的轨迹，能够拟合出比较精确的方程。
Experiments specify that we can get the accurate edge trace and the equations fitted from the collecting data through edge sharpening and detection of image processing technique.
在传统解析几何中，平面区域未被作为点的轨迹来看待，因此没有研究平面区域的方程问题。
In this paper, we treat the convex polygon domain as locus of points and give its equation.
针对着陆过程中动态方程的非最小相位特性，利用在线稳定逆产生用于着陆轨迹精确跟踪的前馈输入和状态参考轨迹。
Taking the problem of autonomous precise landing as an integration of trajectory tracking and robust control, precise landing control law was designed based on online stable inversion and SMC.
以飞机在垂直平面的运动方程为基础，采用线性时间负荷控制的飞行模式，提出了求解飞机最短时间爬升轨迹的格点搜寻算法。
To solve the problem of minimum time-to-climb, building a dynamic model of motion in the vertical direction and taking the flight mode as the linear load control.
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。
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.
本文通过对三偏心式双研磨机床的运动方程的推导和分析，找出在同一研磨机上实现两种摆线轨迹的最佳方案。
The article describes the analysis and deduction of the moving equation of eccentric double disc type grinding machine and finds out two optimum cycloid movements on the grinding machine.
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。
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.
推导出了系统的非线性运动方程，所求方程的近似周期解即为轴心轨迹。
The nonlinear motion equations of the systems are derived and the journal orbits are determined as aPProximate solution of those equations.
通过对空气流场、过冷水滴运动轨迹的计算和能量方程的求解，得到了多种状态下的风速管表面温度。
Based on the calculation of aerodynamic flow field, overcooled water droplets trajectories and energy equation, surface temperatures of the anemometer under various conditions were obtained.
通过对描述沙粒垂向运动速度脉动分量的随机微分方程的直接求解，获得了风沙流中沙粒运动的随机轨迹。
Stochastic sand trajectories in wind-blown sand were obtained by solving the differential equation which describes the vertical fluctuating velocity of sand grains.
研究了二次抛物线型的GRIN球透镜的光线轨迹方程序；得出其轨迹为椭圆曲线及一些重要结论。
At last, the author obtained the equation of ray trace in the GRIN ball lens with the index profile which is quadratic and drew some important conclusions.
详细地推导了回转分离器内颗粒的运动方程，对分离器内颗粒的运动轨迹。
The governing equations for solid particles in a rotary cyclone separator are derived.
采用分子动力学方法研究了N2分子在强激光场作用下的经典轨迹，并应用了现在较优越的数值方法——辛算法来求解方程，这使计算结果更加令人信服。
In this paper, the classical trajectories of a diatomic macular N2 in strong laser field are calculated by symplectic scheme, which makes the results believed by others.
同时发现动力学系统中的非线性函数项（或非线性元件）能够发生跳跃随机性和产生跳跃随机曲线，以使电路的状态轨迹达到与约束方程相容的状态。
The analysis also shows that the nonlinear terms in the dynamic system equations cause the stochastic state to jump so that the circuit state can reach compatibility with the constraint equations.
为实现在将曲轴水平放置绕主轴转动条件下，对单拐或多拐曲轴的主轴和曲柄轴进行激光淬火和激光熔覆，建立了激光作用于曲拐表面形成螺线时的光斑轨迹方程。
It aims to realize the laser quenching and cladding for the principle axis and crank of single or more crank while the crankshaft is laid horizontally and rotating around the principal axis.
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