本文介绍了利用对数微分性质计算相对误差的机理和优点。
The paper introduces the principle and advantages of accounting relative error with logarithmic differential attribute.
本文构造了广义线性互补问题的一个光滑价值函数，该函数具有良好的微分性质。
In this paper, a smooth merit function is constructed for general linear complementarity problem (GLCP), which possesses fine coercive property.
本文提出一种直接在点采样曲面上计算曲面的高斯曲率、平均曲率及主曲率等局部微分性质的方法。
An approach is proposed to estimate several differential properties, including Gaussian curvature, mean curvature and main curvature on point-sampled surfaces in presence of noise.
对电力系统小扰动稳定域的微分拓扑学性质进行了初步探讨。
Differential topological characteristics of the small signal stability region (SSSR) in power systems are tentatively studied in this paper.
目的研究一阶具有分段常数变量的脉冲微分方程的解的性质。
Objective to investigate characters of the solution to first order impulsive differential equations with piecewise constant arguments.
本文利用定积分的性质、微分中值定理、施瓦兹不等式、二重积分等内容，研究了积分不等式的四种证法。
This article explores the four ways for solving integral inequality with the nature of definite integral, mean value theorem of differentials, Schwarz inequality and double integral.
本文研究脉冲微分方程的解的存在性与定性性质。
This paper studies the existence for solutions and qualitative properties of impulsive differential equations.
本文着重讨论了在任意几何中心对称阵列条件下的最大似然方向估计函数的性质及其在信源真实方向上的微分特性。
The property and the differential characteristic of maximum likelihood direction-of-arrival estimation (MLE)function for every variety of centrosymmetric array are investigated in the paper.
给出了微分中值定理的一个推广形式，并将所得结果应用于凸函数性质的研究。
This article gives a spreading form of the mean value theorem of differential and applies the gained results to the quality of convex function.
利用球矢量波函数的定义及性质，提取出场的径向分量，将初级场分解为相对于径向的TE波和TM波，避免了复杂的矢量微分运算。
Using the definition and character of vector function, the field is separated to TM wave and TE wave relative tor without complex vector-differential operation.
研究了一类二阶非线性摄动微分方程解的振动性质。
This paper is concerned with oscillation property of solutions of a class of second-order nonlinear differential equation with perturbation.
利用能量范数的导数的性质，将超越特征值问题转化为常微分方程的初值问题。
And by using the property of derivatives of energy norms, the eigenproblem is transformed safely into a specific initial value problem of an ordinary differential equation.
讨论了一类二阶强次线性时滞微分方程解的振动性质，建立了三个新的振动性定理。推广和改进了已知的一些结果。
The oscillation of a class of second order strongly sublinear delay differential equations is discussed. Three new theorems are established. The results generalize and improve some known ones.
讨论了一类二阶强次线性时滞微分方程解的振动性质，建立了三个新的振动性定理。
The oscillation of a class of second order strongly sublinear delay differential equations is discussed. Three new theorems are established.
本文讨论常微分方程差分周期解的几何性质。
In this paper the geometric properties of the difference periodic solutions of ordinary differential equations are discussed.
讨论了一类二阶强次线性微分方程解的振动性质，获得了三个新的振动性定理，推广和改进了相关文献的结果。
The oscillation for solutions of the class of the second order strongly sublinear differential equation are discussed and three new oscillation theorems are obtained.
同时把结论应用到微分从属和积分从属性质保持问题，得到很多新奇的结果。
The conclusion was applied in the maintaining of differential and integral dependency, and many novel outcomes were found.
测地线在光滑曲面上有很好的几何性质，也有相应的测地线偏微分方程表达以及一些解析的方法来求解。
Geodesics on smooth surface have many good geometric properties and there are equivalent partial differential equations and analytical methods solving it.
认为局部隐式有限元法是一种绝对稳定的方法，且具有快速收敛的性质，是求解非线性偏微分方程的一种有效的数值算法。
Locally implicit finite element method is a satisfactory numerical method to solve non-linear partial differential equations for its unconditional stability and its high rate of convergence.
本文从连续图像出发，将二阶偏微分算子应用于影像函数，利用多重网格算子能得到近似影像的性质，得出一种多分辨影像分解的方法，经过图像重建过程得到融合影像。
Using the so-called approximation of image property by a multi-grid operator, we can derive a method of multi-resolution decomposition of the image, thus the fusion image is formed by reconstructing.
本文讨论一类三阶时滞泛函微分方程解的渐近性质，给出了若干解的有界性及解趋于零的判定准则。
Som criteria on the asymptotic behavior (such as boundness, tending to zero) of solutions for a kind of third order delay functional differential equation are established.
研究和提出了有关模糊逻辑函数微分的一些性质和计算方法。
Some properties about the differentiation of the fuzzy logic function are studied and its calculation methods are also presented.
利用微分方程线性稳定性判据，分析了斯通纳粒子LLG方程的动力学性质。
The dynamical stability of the LLG equation of the Stoner particles is analyzed by using the linear stability criteria of differential equations.
运用线性偏微分方程的可迭加性质所求得的碳浓度分布函数能够描述多段法渗碳过程的物理本质。
The carbon concentration distribution function derived from partial linear differential equation by applying the feasibility of repeat adding can describe the innate character of multi stage ca...
给出了该零运动微分动力学下具有冗余度的单框架控制力矩陀螺系统奇异状态的性质，并改进了奇异可脱离性的判别方法。
The character of SGCMG system in the form of zero motion differential dynamic equation is given. The criterion of singularity escapable from reference 4 is improved.
根据偏微分方程在无穷小变换下的不变性理论，研究经典场的对称性质和守恒量。
According to the invariance theory of partial differential equations under the infinitesimal transformations, the symmetries and conserved quantities of classical fields are studied.
对多元有限离散函数引入了偏导数及微分新概念，并讨论了其性质。
The partial differentiations and derivatives are introduced for multivariate finite discrete functions, and the properties of which are discussed.
多段法渗碳的数学模型是线性偏微分方程。线性偏微分方程的一个重要性质是可迭加性。
The mathematical model of multi stage carburizing is a linear partial differential equation, and superposability is an important property of the linear partial differential equation.
多段法渗碳的数学模型是线性偏微分方程。线性偏微分方程的一个重要性质是可迭加性。
The mathematical model of multi stage carburizing is a linear partial differential equation, and superposability is an important property of the linear partial differential equation.
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