查询词典 iterative method

For the sake of the image reconstruction efficiency we shortened the reconstruction time almost 100 times by parameter table method. In algebra iterative algorithm we found the range of relaxation parameter is very different. The range of relaxation parameter of ART was narrower than that of SIRT. Different methods of data access will influence on the quality of reconstruction image.

在代数迭代算法中，通过模拟图像的重建发现，ART算法和SIRT算法松弛因子的选择有很大的不同，SIRT的松弛因子选择范围偏小，而ART的松弛因子选择范围要宽得多；数据访问方式的不同，对重建的图像有一定的影响；提出了最优迭代次数的判据，避免了在迭代时迭代次数选取的盲目性。

In this paper, we have deduced an iterative algorithm with relaxation parameter from the successive over relaxation method, which not only deduce the necessary of computation time and memory space but also is propitious to overcome the sensitivity of reconstructed images to incomplete noisy data.

从解大型线性方程组出发，由逐次超松弛法(Successive Over Relaxation， SOR)推导出一种带有松弛因子的迭代法。与 SOR 法相比，该算法不仅大大降低了对计算时间和内存空间的需要，而且有利于克服重建图像对不完全噪声数据的敏感性。

Iterative Learning Control is an effective method for the systems that execute the same task repetitively.

对于具有重复运动性质的系统，迭代学习控制是一种行之有效的控制方法。

First, one root of the N-order nonlinear equation is derived with the Aitken iterative method.

LSP参数可以通过求解一个与线性预测系数相关的非线性N阶方程得到。

According to the hue and a certain scalar quantity, it puts forward a histogram-based bi-threshold iterative method to segment chromatic image, which can enormously expand the theory and application of gray-level image processing.

提出了以色调和构造标量为特征进行基于直方图的双阈值彩色图像自动迭代分割算法。从而极大地扩展了灰度图像处理的理论和应用。

Aimed at the mathematic problem in the model of the pendulum oscillation,the paper introduces the study on the existence of odd-harmonic solutions to second order semi-linear differential equation which describes the model of the pendulum oscillation by using upper and lower solution method monotone iterative technique and the Schauder fixed point theorem respectively.

针对摆型振动模型中的数学问题，分别采用上下解方法、单调迭代法及Schauder不动点定理研究了摆型振动模型的二阶半线性微分方程奇调和解的存在性。

Its most advantage is: it is suitable for any complex geology structure, the"iterative"ray tracing method is based on Fermat"minimum travel time principle", it uses Taylor expansion and finds the solution segmentally and iteratively, then modifies the initial ray path.

迭代射线追踪方法是根据Fermat最小旅行时原理，应用Taylor展开，分段迭代求解，再逐次修改初始射线路径，完成全射线路径的迭代求解过程，其最大优点是计算的速度快，追踪射线效率高。

A simple but valuable iterative Chebyshev design method was presented.

提出了一种简单而有效的设计方法，即迭代Chebyshev方法。

According to the results of the experiments on simulated data , PRGA gives better results in curve fitting compared with simple GA and traditional numerical iterative method .

实验证明，该方法对于曲线拟合问题能取得优于简单遗传算法和传统数值迭代方法的结果。

The implicit iterative method was applied to the linearized Newton equation, and the key step in the process was that a new reasonable a posteriori stopping rule for the inner iteration was presented.

对线性化后的Newton方程用隐式迭代法求解，关键的一步是引入了一种新的更合理的确定迭代步数的后验准则。

The teacher likes the honeymouthed little girl very much.

老师很喜欢这个嘴甜的小姑娘。

Mr. Notker Bien's interests are traveling, spending quality time with the family and long-distance-running.

诺特卡·柏恩先生热爱旅游，长跑，以及和家人一起共度美好时光。