查询词典 optimization problem

By re-constructing the system, the residual error dynamic characteristics of unknown input and fault signals including unknown disturbances and modelling error are obtained. The energy norm indexes of disturbance and fault signals of residual error are selected separately to reflect the restraint of disturbance and the sensitivity of faults, and the design of fault detection observer is described as an optimization problem.

通过对系统进行重构，获取了包括未知扰动、建模误差等未知输入信号和故障信号的残差动态特性，分别选取残差的扰动信号和故障信号的能量范数指标来体现其对扰动的抑制作用和对故障的灵敏性，并将故障检测观测器的设计描述为一个优化问题。

In image processing, no matter image modeling, representation of image contents, description of image feature,design of image processing operator, or energy functional minimization of image optimization procedure, all can be upgraded to a mathematic problem.

在图像处理中，无论是图像模型的建立，图像特征的描述，图像处理算子的设计，还是图像优化处理中的泛函极小化，最终都可归结为一个数学理论问题。

After theoretic analyzing support vector machine technique, the equipollence of support vector classification and regression problems is proofed, and a uniformed expression of support vector machine problem is gotten. The noise stained case is studied emphatically, and the experiment shows that a better result will be obtained by assigning weight factor to fit noise distribute characteristic. A multi-multiplier minimal optimization algorithm for norm-1 problems is deduced, and a kind of improved Gilbert geometric algorithm for norm-2 problems is introduced, which is applied in regression problems successfully.

课题细致深入地讨论和研究了软测量模型的三个基本问题，首先是软测量模型的可实现性，即软测量模型存在唯一解的条件，以及知识利用的度量等一些相关的概念，体现出混合软测量模型在知识利用有效性上的优势；然后对模型不确定性的概念进行了讨论，研究了模型可靠性问题，得出测量精度与软测量模型可靠性之间的关系；最后讨论了软测量模型与传统软测量方法的关系，说明软测量模型是传统软测量方法的发展。

For a class of bilevel multi-objective decision,this paper converts it into the problem of equivalent single-level multi-objective decision,then makes use of the inversion property of the genetic algorithm with the ergodic property of the chaos optimization method.

针对求解一类二层多目标决策问题，首先将其转化为等价的单目标决策问题，然后利用遗传算法优化的反演性和混沌优化方法的遍历性，并结合精确不可微罚函数求解非线性约束优化问题，提出了求解此类问题的混沌遗传算法。

By use of the properties of ergodicity, randomicity, and regularity of chaos, a chaos ant colony optimization algorithm is proposed to solve traveling salesman problem.

摘要利用混沌运动的遍历性、随机性和规律性等特点，提出了一种求解旅行商问题的混沌蚁群算法。

Particle swarm optimization algorithm has been developed recently, which is suitable for solving continuous problem, but its lack of ergodicity impairs the algorithm global search property.

新近发展的粒子群优化算法，基于群智能机理，适于求解连续问题，但它不具备遍历特性，影响了全局搜索能力。

The design problem of the filter is d escribed as a n optimization one.

系统的弹性滤波器，证明并给出了滤波器有解的充分条件，并将滤波器的设计转化为一个优

This paper extends the ant colony algorithm which is used for solving 0-1 knapsack problem in reference [7], and gets enlightenment from the ant colony algorithm with 2-opt local optimization for solving traveling salesman problems: Exchange strategy can make the algorithm have faster convergence rate and get better quality solution. So this paper presents the ant colony algorithm based on exchange stragegy.

本文推广了文献[7]中求解单维0-1背包问题的蚁群算法，并从结合2-opt等局部优化的蚁群算法求解旅行商问题中得到启示：通过交换策略可以加快算法的收敛速度和获取更高质量的解，因此提出了基于交换策略的蚁群算法。

Extremal optimization algorithm is a new heuristic method, whose principle is to select and update the worst variable, and improve the fitness of the whole problem.

极值优化算法是新开发的一种启发式算法，其基本思想是更新适值最差的变量，提高目标函数的适值。

The crucial point is to reformulate online optimization problem corresponding to nominal model with an appropriate additional robust and feasible constraint.

其关键在于为针对标称系统设计的在线优化问题附加适当的额外的鲁棒可行约束。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。