考虑了有界区域上一类非线性退化波动方程的初边值问题。
We consider the initial boundary value problem for a class of nonlinear degenerate wave equations in a bounded domain.
本文主要用最大熵方法对线性退化二值图象的复原进行了研究。
According to the binary nature of image, a new maximum entropy restoration method with binary constraint is proposed the properties of existence and uniqueness of solution are discussed.
本文研究了理想气体的带线性退化阻尼项的可压缩欧拉方程组的真空初值问题。
The Cauchy problem of Euler equations with degenerate linear damping for a perfect gas is studied in this paper, while the initial gas lies in a compact domain.
从双线性退化板壳单元出发，演绎推导出了一种可以应用于空间有限元分析的退化梁单元。
In this paper, a degenerated beam element is developed, evolving from a bilinear degenerated shell element.
研究一类强耦合拟线性退化抛物方程组初边值问题正古典解的局部存在、全局存在与非全局存在性。
Local existence, global existence and nonexistence of classical solutions for a degenerate and strongly coupled quasilinear parabolic system were studied.
研究了由三个拟线性退化抛物型方程通过非线性项耦合而得到的一类拟线性退化抛物方程组解的性质。
The properties of solution to a class of quasilinear degenerate parabolic system coupled via three nonlinear diffusion equation are considered.
最后利用所得到的规范形和普适开折讨论了非线性动力系统的余维3退化分叉。
Finally we use obtained normal form and universal unfolding to discuss codimension 3 degenerate bifurcations of nonlinear dynamical system.
最后，在总结以上研究的基础上，给出了退化线性规划问题进一步研究的研究方向。
Finally, after summarizing the contents in the thesis, we point out the further directions to study the degenerate linear programming problem.
第二，我们研究了变量有上界的退化线性规划问题。
Secondly, we consider the degenerate linear programming problem with upper bounded variable constrained.
文章研究光学镜头摄像机线性运动物体退化图象的恢复问题。
This paper deals with restoration and rectification of linear motion degradation image from lens camera.
本文引入的讨论判断函数性质的方法具有一般性，因而也将适用于具更高次退化的非线性情况的研究。
The method with which we studied the judgement function is general, it will be useful in the research for the more degenerate vector field.
本发 明克服了原线性插值运算导致高频退化、图像模糊的缺陷。
The invention overcomes the shortcoming that the original linearity interpolation operation leads to high frequency degeneration and picture vague.
研究由退化非线性扩散方程所支配系统的周期最优控制问题。
This paper deals with the periodic optimal control governed by a degenerate nonlinear diffusion equation.
从疲劳过程本质上是材料静强度不断退化的过程的观点出发，建立了一个非线性的、连续的强度退化模型。
A nonlinear and continuous strength degradation model is presented from the view point that fatigue damage process is the process during which material static strength degrades constantly.
研究一类强退化拟线性抛物方程的重整化解，在一定假设条件下得到了这类广义解的存在惟一性。
The existence and uniqueness of renormalized solutions of a class of strongly degenerate quasilinear parabolic equations under certain assumptions are discussed.
为了研究动力学系统和混沌中产生的跳跃随机性，利用能量平衡原理分析了二阶非线性电路的退化方程。
Chaos related discontinuity jumps in nonlinear dynamic systems were analyzed using a second order nonlinear circuit model and degenerative equations based on the energy balance principle.
本文采用退化的等参壳元分析了复合材料板、壳结构的几何非线性特性。
Applying degenerate isoparametric element, this paper has studied geometrical nonlinear response of composite plates and shells.
该文研究一带时滞的退化非线性抛物方程的初边值问题。
This paper deals with the initial boundary value problem of a nonlinear degenerate parabolic equation with time delay.
由于退化系统结构的特殊性，使对退化系统的研究比一般经典的线性系统的研究要复杂得多，这引起了众多学者的兴趣和重视。
Due to the special structure of degenerate systems, studies on degenerate systems are much more complex than that on classical linear systems, which attracted many scholars in interest and importance.
讨论了非线性不等式和等式约束优化问题在退化情形下的求解方法。
This paper discusses optimization with nonlinear equality and inequality constraints under degeneracy.
驱动器饱和是经典控制系统中最常见的非线性现象之一，它可能会是效能退化与不稳定的根结。
Actuator saturation is one of the most common nonlinear phenomena in classical control systems, and its presence can be source of performance degradation and instability.
对于板壳问题，共有三种数值模拟方案：线性或非线性的板壳理论、退化连续体方案和直接三维连续体方案。
There are three approaches in numerical simulation of plate and shell structures: plate and shell theory approach, degenerated continuum approach, direct three-dimensional(3D) continuum approach.
当非退化条件成立和磨光参数趋于零时，证明了原问题的S -稳定点与磨光非线性规划的KKT点等价。
As the non-degeneracy condition holds and the smoothing parameter tends to zero, an S-stationary point of the MPCC problem is equivalent to a KKT point of the smoothing nonlinear programming.
提出了一种基于各向异性和非线性正则化的湍流退化图像复原新算法。
A new algorithm is proposed for restoring the turbulence-degraded images by use of anisotropic and nonlinear regularization.
本文给出了求非退化线性规划最优解的迭代公式。
In this paper, an iterative formula to solving non-degenerate LP to optimality is given.
本文给出了求非退化线性规划最优解的迭代公式。
In this paper, an iterative formula to solving non-degenerate LP to optimality is given.
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