查询词典 iterative computation

Among them, the first main part is the selection of material parameters, and it has great effect on the validity of the computation result. The second part is predigestion of geologic model and mechanics model adopted. Compared with the two factors above, computation method adopted has less effect on computation result, but sometimes, it is very important for some special problem such as localization shearing damage.

其中，力学参数的选取是第一位的，对计算结果的正确与否影响最大；其次是地质模型的简化及所采用的力学模型；所采用的计算方法对计算结果的影响与前两个因素相比虽然较小，但对某些特殊问题有时又非常重要。

The choice of the electric motor, the design of the band pulley, the design of the axis structural, the examination of the axis intensity, the choice computation of the keying, the choice of the rolling bearing type and code, the life computation of the bearing, the choice computation of the shaft, the choice of the lubrication and seal are carried on.

进行了电动机的选择、带轮的设计、轴的结构设计、轴的强度校核、键连接的选择计算、滚动轴承的类型代号选择、轴承的寿命计算、联轴器的选择计算、润滑密封的选择。

In the improved algorithm, the computation of three-order time derivative is replaced by convolution approximate calculation, which simplifies the computation process and reduces computation amount, and is high effective and robust.

改进算法用褶积近似运算代替时间3阶导数的求解，因此简化了计算过程，减少了计算量，是一种高效稳健的算法。

The traditional Givens rotation algorithm involves root computation which need more hardware resources, the paper presents a Givens rotation algorithm without root and division computation, combined with the special structure of the input signal matrix, a interference suppression algorithm with low computation is also proposed.

传统Givens旋转算法涉及到平方根运算，这种运算要消耗较多硬件资源或需要多次循环来实现，文中给出一种无平方根与除法运算的Givens旋转算法，并结合信号输入矩阵的特殊结构，给出一种低复杂度的干扰抑制算法。

The technological design computation uses the Aspen plus software , according to parameters and so on absorption system's system nature, is absorbed component separation purity, operating condition, carries on the material balance, the thermal graduated arm to the endoergic process to calculate, the mass transfer computation and so on, determined needs the padding level altitude, and carries on the optimized analysis and the computation.

工艺设计计算利用Aspen plus软件，根据吸收系统的物系性质、被吸收组分分离纯度、操作条件等参数，对吸收过程进行物料衡算、热量衡算，传质计算等，确定所需填料层高度，并进行优化分析与计算。

In the light of the complex, high-level and non-linear feature of the mathematical model which describe the transport of the coalbed methane, this paper study the fully-implicit solving method of the mathematical model in detail. Based on the complexity of the algebraic equations which are formed eventually, according to the alternating direction implicit difference pattern, this paper use the iterative method and the fully main element Gauss-Jordan eliminating method to solve equations, which is to use the iterative method to determine coefficient matrix and use the fully main element Gauss-Jordan method to solve th linear algebraic equation group, at the same time of studying the solving method of the mathematical model, according to the devising requirement of FORTRAN77 program structure, this paper draw up computer program and form the corresponding computer model, and verify the validity and reliability of the model in theory by operating the model.

重点研究了模型内、外边界及有关参数的处理，针对描述煤层甲烷运移的数学模型是一个复杂、高阶非线性数学模型的特点，详细研究了模型的全隐式求解方法，根据最后形成的代数方程组的复杂性，按交替方向隐式差分格式，采用迭代与全选主元高斯约当消去法相结合的方法求解方程：即确定系数矩阵采用迭代法，求解线性方程组时采用全选主元高斯约当消去法，在研究模型解法的同时按FORTRAN结构化程序设计的要求，编制计算机程序，形成相应的CBMRS计算机模型，并通过模型的运行从理论上证明了模型的正确性与可靠性。

In order to investigate the performance of Iterative Detection in Golden Code system and reduce the complexity of the Iterative Detection algorithm, the Gaussian Approximation and Minimum Mean Square Error methods are proposed to obtain the soft information of each bit.

为研究级联信道编码的Golden码的迭代检测性能及降低迭代检测算法的复杂度，提出采用高斯近似和最小均方误差算法来计算迭代检测过程中所需的比特软信息。

Finally, using a new iterative method, a variant of Kaniel-Shinbrot iterative method, we prove the existence and uniqueness of eternal solution to Boltzmann equation for the hard interactions and rigid spheres model.

最后，本文利用一种新的迭代方法(有别于Kaniel-Shinbrot迭代)在硬位势和硬球模型情形下证明了Boltzmann方程永久型解的存在唯一性。

Actively promote iterative and incremental development. Agile Modeling's practices of Model in Small Increments, Iterate to Another Artifact and Create Models in Parallel can be tough ones for experienced modelers to adopt and chances are that your experienced modelers are already chaffing at the UP's concepts of iterations, let alone an even greater emphasis on iterative and incremental modeling.

积极促进迭代增量开发敏捷建模有个实践，以小增量迭代的方式建模到另一个工件以及积极促进迭代增量开发并行创建模型，它们被有经验的建模人员坚持采用，并成为有经验的建模人员嘲讽 UP 迭代概念的机会，而并不在意那甚至是一个更加强调迭代和增量建模过程。

The Radar Cross Section of an S-shaped circular wave guide and that coated with absorber layer on the inner wall are computed by the fast Iterative Physical Optics method using algorithms of initial value succession and Forward-Backward Iterative.

在此基础上采用初值继承算法和前后向迭代结合的快速IPO方法计算了采用S弯和在腔体内壁涂敷吸波材料对腔体雷达截面的减缩效果。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。