The parameter equation of involute tooth profile on any angular position is presented.
提出了任意转角位置的渐开线齿轮齿廓的参数方程。
Week 6 The derivative of implicit function. the function's derivate by parameter equation.
第6周隐函数的导数。由参数方程所确定的函数的倒数。数学实验一。 二。
Firstly illustrates the basic definition parameter equation, understand what is the parameter equation.
首先说明了参数方程的基本定义，了解什么是参数方程。
Any regular curve that can be expressed by the vector parameter equation may be interpolated by this method.
凡是可以表示为矢量参数方程的正则曲线，都可以用该方法进行插补。
The parameter equation and the formula of each element of the curve are set up and compared with that of clothoid.
文中导出了五次代数式缓和曲线的参数方程和曲线各元素的公式；
The perturbed hard-sphere three-parameter equation of state is applied to binary high pressure liquid-liquid equilibria.
将摄动硬球三参数状态方程应用于二元高压液液相平衡计算。
While there is the analysis of node tolerance with parameter equation on approaching along a straight line with equal step.
同时，对具有参数方程形式表示的非圆曲线进行了等间距直线逼近的节点误差分析。
According to the analysis on the boundary layer separation condition, parameter equation of vane curve for centrifugal pump is established.
通过对压力面边界层分离条件的分析得出叶片型线方程并给出计算实例。
The magnetic induction intensity at the center of elliptic current ring is derived based on the Biot-Savart law and elliptic parameter equation intensity.
运用毕奥萨伐尔定律和椭圆参数方程，计算出椭圆环电流中心的磁感强度。
This paper makes use of the elliptical parameter equation, present a generation algorithm of ellipse with division Angle increments, and makes error analysis.
利用椭圆的参数方程，给出了以等分角度为增量的绘椭圆的一种算法，并分析了算法的误差。
METHODS Construct proper accumulation normal distribution function form and fit with our experimental data, then compare with the common 4-parameter equation fitting.
方法构建累积正态分布函数的适当表达形式，对实验所得数据进行拟合，同时与常用的四参数方程拟合进行比较。
METHODS: Construct proper accumulation normal distribution function form and fit with our experimental data, then compare with the common 4-parameter equation fitting.
方法：构建累积正态分布函数的适当表达形式，对作者实验室所获得的实例数据进行拟合，同时与常用的四参数方程拟合进行比较。
By piecewise polynomials and the Ramberg-Osgood three-parameter equation fitting the stress-strain curve, the expressions of the tangent and secant modulus are derived.
分别介绍了用分段多项式和朗培其一奥斯古特三参数方程拟合应力应变曲线并求切线模量和割线模量的方法。
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.
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。
Apply the weighted surface parameter equation to fit the algorithm of cavity lateral surface, and realize the cavity surface construction of radial parting mold of meridian tire.
采用加权曲面参数方程拟合型腔侧壁曲面的算法，实现了子午线轮胎活络模模具型腔曲面的构造。
Meanwhile, as some states can not be estimated or have poor estimation, the simplified state equation employed in the alignment process will cause model parameter uncertainty.
同时，由于一些状态不可估计或估计效果很差，采用简化状态方程进行对准，存在着模型参数不确定性。
When determining empirical formula with test method, estimation value of estimated parameter in regression equation which is obtained with least square method always is a long number.
用实验方法确定经验公式时，回归方程中用最小二乘方法求得的待估参数的估计值往往是一个很长的数。
This paper puts forward one kind of method of identification of parameter nearby the resonant region, and gives equation of damping.
本文提出了一种在共振区域附近的参数识别方法，给出了阻尼表达式。
A modified boundary element method is proposed. In the approach, the matrices in the formed boundary equation implicitly contain no eigen parameter.
本文提出一种改进边界元法，它使形成的边界元方程不隐含本征量，避免大阶数矩阵的转置。
In this paper, the symmetries and Lie algebra of a coupled nonlinear wave equation were discussed. One-parameter transformation groups of this equation were obtained by using the symmetries.
主要考虑非线性波方程组的一些简单对称及其构成的李代数，并利用所得对称给出该方程组的一些单参数变换群。
The algorithm is deduced and difference equation of parameter error given by which the algorithm convergence is proved theoretically.
对该算法进行了推导，并给出了参数误差的差分方程，在理论上证明了算法的收敛性。
This paper proves that the quasilinearization method for parameter estimation of ordinary differential equation in chemical reaction kinetics essentially belongs to the region of Gauss-Newton method.
本文通过理论推导，证明在反应动力学常微分方程参数估值中所采用的拟线性化法在本质上仍然属于高斯—牛顿法的范畴。
Using the distribution parameter method, established a differential equation, and made its discrete solutions.
方法采用分布参数法建立微分方程，并进行离散求解。
The interpolation precision was improved by introducing error compensation and solving the matrix equation after interpolated points' parameter had been computed roughly.
该算法是在粗确定插补点参数后，引入误差补偿值，通过求解矩阵方程提高插补点的计算精度。
The unknown parameter of the equation is fixed by stress relaxation test and parameter identification technology.
本构方程中的未知参数由应力松弛试验和参数识别技术来确定。
The parameter of Muskingum equation is usually ascertained by the trial way that were complex and the optimized results not gotten.
常用的试算法在确定马斯京根方程参数时一般得不到最优结果，且计算较繁杂。
Based on the mechanism of delayed retardation, an analytical equation for predicting the retardation parameter has been formulated.
本文根据过载迟滞效应中产生推迟延缓的机理，得出了计算推迟延缓参数的公式。
A long line equation based on line parameter estimation algorithm is proposed in this paper.
提出一种基于长线方程的输电线路参数在线求解算法。
This paper discusses briefly the origin, definition, dynamical evolvement equation and characteristic of synergetic order parameter.
简述协同序参量的来源、定义、动力学演化方程及其特性。
Based on the new method, the paper discusses an inverse mapping of rational parameter surface, also, the implicit equation of the parametric equation is obtained.
用该方法对基于有理参数曲面的逆映射进行了一些探讨，并得到参数曲面的隐式方程。
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