查询词典 optimization problem

Combustion control and performance evaluation for scramjets need effective measurement information, therefore it is important to choose the optimal location and number of sensors. This problem is a combinatorial optimization problem which is difficult to solve.

超燃冲压发动机的燃烧控制和性能评估需要有效的燃烧室测量信息，而如何确定传感器的最佳位置和数量是非常重要的，要求选择最小的传感器数目和最佳的测量位置来较准确的描述燃烧室工作特性，这是一个组合优化问题，直接求解比较复杂。

The dissertation firstly introduces the MDJ1600J high speed palletizer and then lists several main problems for it which includes optimization of palletizing pattern, multiline-to-uniline problem, analysis and synthesis for feeding system, high speed turning without impact, the problem of power rating of three-phase induction motors (S1) which work with many short processes and many short switched-off processes in a period, The working principle of high speed palletizing and performance analysis for high speed palletizer, and then these problems are analysed respectively and their solution methods are presented.

本文首先对MDJ1600H高速码垛机从整体上进行了介绍，由之引出了几个高速码垛的关键问题，这些问题包括：码垛模式的优化，多线合一问题，供料系统的分析与综合，高速无损转位问题，在包括启动的多短过程多短断能间隔的断续周期工作制下采用S1制三相感应电机的功率定额问题，高速码垛动作规划和性能分析，然后对这些问题分别进行了阐述，提出了各自具体的解决方法。

We applied the proposed algorithm to the reduction of overkills and retests in a wafer testing problem, which is formulated as a stochastic simulation optimization problem that consists of a huge decision-variable space formed by the vector of threshold values in the wafer testing process.

我们将所提出的方法应用在降低晶圆测试程序中的误宰与重测问题，这是一个由测试程序中门限值向量所组成，含有巨大决定变数空间的随机模拟最佳化问题。

The parallel compiler in distributed memory systems should solve the problem of data distribution among lo-cal memories and the problem of communication optimization among processors.

分布存储系统的并行编译器需要解决各局部存储器之间数据分布问题和各处理机之间通信优化问题。

Timetabling Problem is a Multiobjective Combination Optimization Problem with constraints, and also has been proved NP-Completed.

排课问题是一个有约束的、多目标的组合优化问题，并且已经被证明为一个NP完全问题。

The timetabling problem is an NP-hard multiobjective combinatorial optimization problem with constraints.

排课问题是一个有约束的、多目标的组合优化问题，并且已经被证明为一个NP难问题。

In the aspect of yield optimization, the worst-case distance from the circuit parameter center to the acceptance region boundary are treated by the objective function of yield optimization.

在电路成品率优化方面，将当前电路参数中心到可行域边界的最坏情况距离，作为电路成品率优化的目标函数，利用梯度优化算法，使最坏情况距离达到最大，从而优化电路的成品率。

Based on the theoretical and experimental studies in electrical and mechanical parameters, micro-perforated absorption material in the box, and positions optimization of the actuators and attached masses on the panel, several optimization methods for the acoustic performance of panel speaker are proposed.

基于对平板扬声器电－力参数测量、箱体内衬微穿孔吸声材料、驱动器以及附加质量位置优化的理论研究和实验测试，提出了若干种提高平板扬声器声性能的方法。

And then, after establishing the optimization model in accordance with the principle of optimal design of shape formulas, we could obtain the numerical optimization aerofoil on the basis of NACA0018 master pattern solved by the Fluent console, and discuss the reasons of improvement of power coefficient.

然后按照形函数的优化设计原理，建立了优化模型，用Fluent平台求解，在NACA0018母型基础上得到数值优化翼型，并探讨了能量利用率提高的原因。

Linear constraint particle swarm optimization algorithm is a global optimization dealing with constraints of non-negative and affine real space.

粒子群算法虽有全局优化性能，但也会陷于局部极小，且缺少约束处理机制。

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。