对于变系数的微分系统也作了相应的讨论。
考虑一个含有变系数的一维分数阶渗透方程。
In this paper, an one-dimensional fractional percolation equation with variable coefficients is considered.
此文以波纹管生产为例，介绍了变系数拉伸法。
This paper, take the production of bellows for example, introduce the method of variable coefficient extension.
讨论误差相关下半变系数模型的随机约束估计。
The random constrained estimation of semi-varying coefficient models with co-relational errors are discussed in this paper.
建立了功能梯度材料中SH波的变系数微分方程。
The differential equation with varied coefficient of the SH-wave in the functionally graded materials is established.
利用乘子法研究了带有变系数的波方程的反馈镇定问题。
Using the multiplier method, we study the boundary feedback stabilization of the wave equation with variable coefficient.
探求一类变系数方程的求特解的方法以及对方程的降阶。
The paper investigates the solution of a class of linear homogeneous differential equations with varied coefficients and methods of decreasing order of the DE.
本文研究了二阶变系数线性常微分方程的一种近似求解方法。
In this paper, we study an approximate solution of the second-order linear ordinary differential equations with variable coefficients.
给出了一类变系数差分系统的全局渐近稳定的一些充分条件。
To one kind of difference system with variable coefficients, some sufficient conditions for global asymptotic stability of trivial solution are given.
结果表明，该方法对于求解各类变系数常微分方程是十分有效的。
The result shows that it is effective for solving ordinary differential equation with variable coefficients.
最后，把它应用于高维变系数KP方程，获得了更多的双周期解。
Finally, our method is applied to higher dimensional KP equation with variable coefficients to obtain more doubly-periodic solutions.
对于二阶变系数线性微分方程来说，这也是可积的一个充分条件。
It is also a sufficient condition for second order linear differential equation with varied coefficient to be integrable.
它可以求解在任意边界条件下任意变系数正定或非正定偏微分方程。
It can be applied to solve nonpositive definite or positive definite partial differential equation with arbitrary variable coefficient under arbitrary boundary condition.
本文研究变系数波动方程所决定的控制系统的最小能量控制和快速控制问题。
This paper deals with the minimum energy control and the fast- time control problems of a type of system governed by wave equation with variable coefficients.
首先分析总结了线性离散变系数奇异系统可解性及其广义状态解的一般概念。
First, the general notion of solvability and generalized state solutions for linear discrete coefficient_vary singular systems are analyzed.
在响应变量随机缺失时，研究了半参数变系数模型响应变量均值的借补估计。
We develop imputation estimators of mean of responses for semiparametric varying-coefficient model with response variables missing at random.
本文所讨论的问题是散度形式的变系数热方程近似能控和零能控的成本估计。
We are concerned with estimates of the cost of controllability of parabolic equations in divergence form.
而后提出了用变系数的方法，计算结构在不同受力阶段位移的简化实用公式。
Finally, the simple and applicable formula is presented in order to calculate the shear wall's displacement indifference phases.
利用该方法，运用计算机符号计算，求出了变系数的一般浅水波方程的孤子解。
In this paper, based on the computerized symbolic computation, solutions of variable-coefficient the generalized shallow water wave equation are obtained.
本文首次提出精确解析法，用以求解任意变系数微分方程在任意边界条件下的解。
In this paper, the exact analytic method is suggested to solve variable coefficient differential equations under arbitrary, boundary condition.
对二阶变系数非线性微分方程的常系数化给出两个使其可积的条件，并举例论证。
The two conditions of the second order nonlinear differential equation with variable coefficient are given and expounded with examples.
给出了一个用于低压饱和蒸汽质量流量测量的变系数密度补偿式和该补偿式的特色。
It also gives out a variable coefficient density compensation formula used for measurement of mass flow of the low pressure saturated steam, and the features of this formula.
本文假设了接近砖烟囱实际截面面积的函数，推出了一个变系数的自由振动微分方程。
In this paper, a cross-section function of brick chimney has been assumed based on traditional hypothesis and a variable coefficient free-vibrating differential equation has been derived.
由于齿轮副啮合刚度的影响，动力学方程序代表了一个具有时变系数的线性动力系统。
Because of the meshing stiffness of a gear pair, the governing equation denotes a linear dynamic system with periodic time-varying coefficient.
提出精细积分半解析法求解变系数的以超孔压和孔隙比为控制变量的渗压固结微分方程。
A precise time step integration method was proposed to solve the finite strain osmotic consolidation equation with varied coefficients.
混凝土内部应力测量关键在于应力应变转换，而应力应变转换关键在于徐变系数的识别。
The key to concrete stress measure is the translation from strain to stress. And the transition 's key is the identification of creep factor.
应用交替分段显隐方法求解变系数对流扩散方程，此方法具有很好的并行性且无条件稳定。
Using alternating segment explicit implicit method for the variable coefficient convection diffusion equation. The method has the obvious property of parallelism and is unconditionally stable.
PWM交流伺服系统是一个高阶非线性对象，本文把它简化处理为低阶变系数线性对象。
PWM AC servo motor is normally a nonlinear control object of high order. In this paper it is simplified as a linear object of low order with variable parameters.
PWM交流伺服系统是一个高阶非线性对象，本文把它简化处理为低阶变系数线性对象。
PWM AC servo motor is normally a nonlinear control object of high order. In this paper it is simplified as a linear object of low order with variable parameters.
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