查询词典 iterative

The time of calculation show a high parallel efficiency and the calculating speed is increased by about 10 times than iterative physical optics

计算所用时间显示了较高的并行效率。

The forward-backward methodology is combined with the fast multipole method and the iterative physical optics to improve convergence and computational efficiency.

详细推导了快速多极子方法结合迭代物理光学法和阻抗边界条件的混合计算公式。

The vertex within control mesh of fitting subdivision surface was located by iterative modification and local adaptive subdivision. This method makes it feasible to avoid the solution of linear equation system. The size of control mesh, which is corresponding to the fitting Loop subdivision surface, is smaller. The surface is reconstructed according to the given precision. It can represent detail characteristics of original model, and is piecewise smooth (C^2 continuous everywhere except at extraordinary vertices where they are C^1 continuous).

系统通过对控制网格顶点的循环修正和局部自适应细分来求解最终拟合细分曲面控制网格，避免了求解线性方程组，提高了拟合曲面的质量，实现了在给定精度下用较少的控制网格反映物体细节特征的分片光滑（片内除奇异点C^1，外其余C^2连续）的Loop细分曲面重建。

Based on long term study, we put forward new algorithm of recognizing fingerprint directional diagram: the iterative algorithm based on model, which revises the singular points (central point and triangulation point) and fingerprint directional diagram through local and global iteration. Hence, the algorithm can recognize the directional diagram and singular point more accurately and can extract detail features more accurately.

经过长期的研究，我们提出全新的判别指纹方向图算法：基于模型的迭代算法，通过局部和全局反复迭代修正图像的奇异点和指纹方向图，更能准确地判断指纹方向图、奇异点，从而更能准确地提取细节特征点。

When the initial states are random and the reference trajectory is iteration-varying, the new AILC can achieve the pointwise convergence over a finite time interval asymptotically along the iterative learning axis.

在随机初始状态和参考轨迹迭代变化的条件下，所提出的 AILC 仍可沿迭代学习轴渐近地实现有限时间区间上的逐点收敛性。

Poisson module is a sub-module of CHIPIC2D, which is used for solving Poisson equation by SOR iterative algorithm.

论文主要研究了CHIPIC软件2.5维版本泊松模块求解和三维版本粒子模拟的并行算法。

There are several processing mode of the unsteady Kuta condition, a appropriate choice will improve the convergence velocity of iterative, this paper has choosed the dipole intensity near the training edge is polynomial distribution to satisfy the unsteady Kuta condition by compare experiment.

非定常库塔条件的处理有多种，合适的处理方式有助于提高迭代收敛的速度，通过对不同处理方式的尝试比较，选取尾缘附近偶极子强度为多项式分布来满足非定常库塔条件。

This project has focused on study of the preconditioning iterative methods for solving this type of linear systems.

本项目着重研究了预条件迭代方法。

The simulation results show that the image-reconstruction quality and precision of this amendatory algorithm have no obvious difference compared with the primary iterative algorithm, but the image-reconstruction's speed is obviously faster so that can satisfy the request of real time flow pattern identification.

仿真结果表明，该改进的迭代算法与原迭代算法相比在图像重建质量和精度方面没有明显差距，而图像重建的速度却明显提高，满足了工业上实时流型识别的要求。

The original PageRank algorithm uses the Power Method to compute successive iterations that converge to the principal eigenvector of the Markov matrix representing the Web link graph.Authors use the sparse of the Google matrix P in the iterative matrix A =[ CP +（1- c ） E ]T,optimize the computation of each iteration and reduce storage space.

在PageRank算法中是使用乘幂法对网络链接图的Markov矩阵进行迭代计算，利用迭代矩阵 A =[ CP +（1- c ） E ]T中Google矩阵 P 的稀疏性，优化每次迭代的计算量并且减少空间存储量。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。