查询词典 computation time

In order to increase the rate of convergence, the refined mesh approach and local allowable time step size are used in the computation, and their effectivenesses are presented.

介绍了使用当地容许时间步长和加密网格法来加速计算收敛的效果。

In order to solve the problem that the Multi-objective Evolutionary Algorithm used in reactive power optimization currently has the shortcomings of time consuming computation, poor orientability and applicability,a ε-omination based MOEA was applied in reactive power optimization.According to different significance among objective components, an adaptive ε-omination was created and relevant post-evaluation fuzzy logic controller was established to select solution.

针对多目标无功优化方法存在寻优时间过长，优化结果针对性不强以及难以实现自动实时控制的问题，将一种基于ε-支配域的多目标进化算法应用到多目标无功优化的求解中，根据多目标模糊评价函数各目标分量的不同重要程度，构建出自适应ε-支配域，生成相应的后评价模糊控制器以实现优化结果的智能选择。

OSEM has good reconstructed image quality and uses less computation time. Overrelaxation technique has adjustable relaxed parameters and speeded convergence function.

有序子集最大期望法具有较高的重建图像质量和较短的计算时间，超松弛因子有可灵活调节超松弛因子和加速收敛两种功效。

This simulation sharply reduced computation expenses ,therefore can quickly estimate peen forming processs time and result, and find an optimal solution subject to specific conditions.

大大缩短了数值模拟计算时间，并可快速估量喷丸工艺时间以及喷丸成形整体效果，制定喷丸工艺优化方案，从而能够在很大程度上避免了实际生产中常用的试错方法。

Based on the variational principle of virtual voltage and virtual displacement derived in this thesis and the classical theory of linear laminated plates, and by using the constitutive equations of elastic piezoelectric materials, and the DKQ quadrilateral plate bending element, the finite element modeling for the fabric reinforced laminated plates with nonlinear voltage-electric strain relationship of piezoelectric actuators has been established for the first time in this thesis. And the expressions for the electric loadings with obvious mechanical meaning and convenient for computation are established, which can be used to the deformation analysis of laminated plates with piezoelectric actuators under specified voltages.

以本文直接导出的压电结构的虚电势—虚位移变分原理为基础，依据经典线性层合板理论和压电弹性体的本构方程，采用基于离散法线假设的DKQ四结点任意四边形薄板弯曲单元，首次建立了考虑非线性电压—电应变关系的含压电致动器的纤维增强型层合板的有限元分析模型，并推导建立了力学意义明确、便于计算的电荷载表达式，可用于指定电压条件下纤维增强型叠层合成板的变形分析。

Also, the inversion is designed in the projective coordinates that will save much computation time.

另外我们采用Projective座标系统，将除法运算转变为乘法运算，进而降低运算结果的时间。

Compared with the linear interpolation and quadratic interpolation channel estimation based on polynomial models, it has the characteristic of low complexity, simple arithmetic and real time computation.

相对于其他线性插值及二次插值的插值信道估计方法，该方法具有计算复杂度低，算法简单，可以实时计算等特点。

An improved calculation method of reactance of armature reaction is put forward, which need less computation time and have higher accuracy degree.

改进了现有的电枢反应电抗计算方法，使得计算时间更短、计算精度更高。

Simulation results show that this kind of swarm algorithm can greatly reduce the amount of computation to meet the requirements of real-time animation.

仿真实验结果表明，这种新型的群聚算法能极大的减少计算量，满足动画实时性的要求。

During the simulation, surface current from primary electrode is computed. Taking rectangular triangle as the mesh unit, the integral formula of surface current can be simplified to a product of a difference expression and the surface area. So the computation complexity of FEM will be decreased and the time-cost will be cut down greatly.

在模拟过程中，需要计算主电极表面电流，通过选用直角三角形作为离散单元，将表面电流的二重积分表达式简化为一个差商表达式与主电极表面积的乘积，极大地降低了有限元分析的复杂度，减少了计算时间。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"