本文给出无穷维半线性系统能控的充分必要条件及其应用。
In this paper, the necessary and sufficient conditions of controllability on a infinite dimensional semilinear system are given.
这些结果使得在无穷维流形上进行控制系统的分析成为可能。
These results make it possible to analyze the control systems on infinite dimensional manifolds .
这有助于我们理解和认识无穷维动力系统的状态的演化规律。
This is helpful for us to understand the evolution rules of states for the infinite dimensional dynamical systems.
大型空间柔性结构是无穷维的分布式参数系统,理论上具有无穷多个振动模态。
Large space structures are infinite-dimensional distributed-parameter systems, which theoretically have infinite number of vibration modes.
介绍了导出平均场加一般对力核多体问题粒子数守恒严格解的无穷维李代数方法。
By using an algebraic method related to su(3) Lie algebra, exact solutions of the eigenvalue problem of the reduced Hamiltonian are derived analytically.
该文基于半无穷维二次优化(SIQO)技术给出一个设计FIR数字滤波器的新方法。
This paper proposes a new method for the design of FIR filter by using semi infinite quadratic optimization (SIQO) techniques.
根据用有限维流形逼近无穷维流形的思想,提出了投影子系统和投影极限能控性的概念。
By the intuitive idea of approximate an infinite dimensional manifold by finite dimensional manifolds, concepts of projected subsystems and project limit controllability are proposed.
在这篇博士学位论文中,我们主要考虑无界域上的无穷维耗散动力系统的解的长时间行为。
In this doctoral dissertation, we mainly consider the long-time behaviors for the solutions of infinite dimensional dissipative dynamical systems in unbounded domains.
理解动力系统的渐近行为是研究无穷维动力系统的主要内容,也是当代数学物理的重要问题之一。
The understanding of the asymptotic behavior of dynamical systems is one of the most important problems of modern mathematical physics.
本文分别给出了使在无穷维欧氏空间中球体和球面具有有限的,但又不是无穷小的测度的半径集合。
In this paper, we give the sets of radii which make the measures of balls and spheres finite but not infinitesimal respectively, in a Euclidean space of infinite dimension.
研究无穷维商品空间不完全实物资产市场两时期交换经济现货—金融市场平衡和合适伪平衡的等价性。
This paper studies the equivalence between the spot-financial market (FM) equilibrium and proper pseudo-equilibrium with infinite-dimensional commodity pace and incomplete real asset markets.
今天的动力系统大致可分为微分动力系统、拓扑动力系统、无穷维动力系统、复动力系统、遍历论等方向。
Roughly speaking, dynamical systems consist of differential dynamical system, topological dynamical system, infinite dimensional dynamical system, complex dynamical system and ergodic theory etc.
对无穷维分布参数结构,依据有限维降阶模型设计控制器会导致系统闭环性能变差,并有可能使系统失稳。
For distributed structures, the closed loop performance of the control system might be badly reduced without considering the spillover, and is likely to become unstable.
本文第二章介绍了无穷维动力系统的惯性流形与近似惯性流形的约化思想,并讨论了KS方程的直接约化方法。
In this paper, the second chapter introduces the reducing idea of inertial manifolds and approximate inertial manifolds, and discuss the similarity reduction of KS equation.
这些结果不仅扩大了解析能控性所适用的区域,更重要的是可以用于更一般的具有无穷维控制李代数的量子力学控制系统。
These results enlarge the domain of analytic controllability, and more essentially, they are applicable to more general quantum mechanical systems with infinite dimensional control Lie algebras.
我读完了《无穷尽的笑话》,只需要三瓶雅维布洛芬。
I did finally finish Infinite Jest! And the whole thing required only three bottles of Advil.
弗格森说:“鲁尼在赛季前的热身中表现很棒,目前他的体能很好,他从来坐不住,他有无穷无尽的能量,他是球队的一笔巨大财富,有趣的是要看看他与维尔贝克怎么搭档,目前他们做得不错,但是显然小豌豆回来了,我将面临选择的难题,因为他打入过很多进球,并且贝巴在赛季前也展示了比较不错的状态。”
"Rooney’s been flying in pre-season," said the boss. "His fitness is terrific, he has that restless energy, he never stands still.
艾维说,涉及到性的层面,这种不均衡似乎尚未带来无穷无尽的背叛。艾维去年从北卡毕业,但是上周依然出没于大学周边的酒吧。
But it's not as if the imbalance leads to ceaseless bed-hopping, said Austin Ivey, who graduated from North Carolina last year but was hanging out in a bar near campus last week.
推出一维谐振子的能级的能量不确定范围等于零,能级的平均寿命等于无穷大。
Deducing the uncertainty in energy of one dimensional harmonic oscillator equals zero, and average lifetime equals infinity.
在这篇文章中,我们得到了非线性函数在无穷远处超线性增长时一类高维半线性双曲方程的整体精确能控性。
In this paper, we obtain the global exact controllability for a class of multidimensional semilinear hyperbolic equations with a superlinear nonlinearity.
对于上半空间无限大均匀血液在其底部血栓生长过程的一维数学模型,利用相似性解法求出的血栓的生长速度在初始时刻是无穷大,因而是无效的。
About the model for one dimension thrombus growth on hemi-space, the thrombus growth velocity using the similarity method is infinite, so it is invalid.
本文基于谱问题的特点利用直接方法导出了1 + 1、2 + 1维微分—差分方程的无穷多守恒律。
In this paper, we derived the conservation laws of 1 + 1, 2 + 1 dimensional differential-difference equations on the base of discrete spectral problems through a direct method.
本文讨论一维无穷区间和离散集合关联函数的建立;
The methods of the establishment of one-dimensional infinite internal dependent functions and the discrete (point) set dependent functions;
用数值方法求出了一维有限深不对称方势阱中束缚态粒子的能级和归一化波函数及其图示,所得结果在势阱深度趋于无穷大时与无限深势阱的结果一致。
With the numerical methods and graphical displays, the energy levels and normalized wave functions are given for the particle in one-dimensional asymmetrical finite potential wells.
本文根据文献中提出的求解一维波动问题的有限元与无穷无耦合模型,导出了一种从无穷元与有限元交界面上进行地震波输入的方法。
Based on the coupling model of finite and infinite elements for 1-d wave propagation problems, this paper develops a procedure for seismic wave input from the infinite elements.
本文根据文献中提出的求解一维波动问题的有限元与无穷无耦合模型,导出了一种从无穷元与有限元交界面上进行地震波输入的方法。
Based on the coupling model of finite and infinite elements for 1-d wave propagation problems, this paper develops a procedure for seismic wave input from the infinite elements.
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