查询词典 iteration

Some paper, the Pall Mall Gazette I think, describing the dress-rehearsal of one of my plays, spoke of you as following me about like my shadow: the memory of our friendship is the shadow that walks with me here: that seems never to leave me: that wakes me up at night to tell me the same story over and over till its wearisome iteration makes all sleep abandon me till dawn[34a]: at dawn it begins again: it follows me into the prison-yard and makes me talk to myself as I tramp round: each detail that accompanied each dreadful moment I am forced to recall: there is nothing that happened in those ill-starred years that I cannot recreate in that chamber of the brain which is set apart for grief or for despair: every strained note of your voice, every twitch and gesture of your nervous hands, every bitter word, every poisonous phrase[34b] comes back to me: I remember the street or river down which we passed, the wall or woodland that surrounded us, at what figure on the dial stood the hands of the clock, which way went the wings of the wind, the shape and colour of the moon.

有份报纸，我想是《泼尔穆尔报》吧，报道了我一出戏的彩排，说你像影子似的跟随着我：对你我友谊的回忆，就是在这里随我左右的影子，像是永不分离似的——深夜里唤我醒来，一遍又一遍地说着同一个故事，直磨得人睡意全无，醒到天明[34a]；天明时分又开始了，跟着我到牢房外的院子里，害得我一边步履沉重地走着一边喃喃自语——我被迫回想着每一个痛苦时刻的每一点细节，在那些个倒霉的年头里发生的事，没有哪一件我不能在那留给悲伤和绝望的脑室里再造重演：你每一点不自然的话音，每一个紧张兮兮的手势，每一句冷言恶语[34b]，都涌上了心头；我记着我们到过的街道和河流，四周的墙壁和树林，时钟的针正指着哪一点，风正吹向哪一面，月色月影又是什么模样。

In the two-dimensional simulation, the fully implicit difference scheme is used for the continuity equations to ensure numerical stability; Jacobian iteration is used to solve the difference equations, and only nonzero elements in the coefficient matrixes of these equations are dealt with, which reduce the requirement for memory and shorten the calculation time.

在两维模拟计算中，对连续性方程采用全隐式差分方案以保证数值稳定性；运用雅可比迭代法求解差分方程组，并且在求解过程中，只对差分方程组系数矩阵中的非零元素进行处理，因此减少了对内存的需求量，而且缩短了计算时间。

Array efficiency is restricted to be higher than a given value by incorporating a quadratic inequality constraint on the weight vector, and the desired sidelobe level is achieved by implementing linear constraints through iteration.

该方法适用于任意的阵列形式，以最大化阵列方向性系数为目标，通过对加权向量的二次约束控制了阵列效率，并采用迭代的方法满足了方向图旁瓣的要求，实现了阵列效率和旁瓣约束下的方向性系数最优化。

For the problem of value iteration optimization of the compact action set in semiMarkov decision process, a unified standard VI algorithm directly based on the equivalent infinitesimal generator under both discount and average criteria was proposed with the proof of convergence.

针对半Markov决策过程在紧致行动集上的数值迭代优化，提出了折扣和平均准则下直接基于等价无穷小生成子的统一的标准数值迭代算法，并证明了其收敛性。

It Newton iteration is used in the analysis of math value,and the simplicity formula is given to resolve(including original initial value formula and advanced approximation formula),which can be characterized by fast speed and easy remembering.

采用数值分析中的牛顿迭代法求反渐开线函数的根，并给出了符合精度要求的解算反渐开线函数的简单公式(包括原始初值公式和近似值精化公式)，具有迭代收敛速度快、简单易记的优点，它们适用于[0，π/2]的全区段，免除了分段计算的烦恼，并运用VB编写计算机程序，从而实现反渐开线函数快速求根的目的。

The optimum model was solved by maximum principle and in which the initial value problem was solved using Newton iteration procedure.

应用极大值原理求解该优化模型，其中的初值问题采用牛顿迭代法求解。

The iteration process of sampling and model updating forms a positive feedback after a good subset is sampled. The inlier samples will be sampled with a much larger probability than outlier samples after several iterations.

在首次获得正确模型之后，样本采样与模型更新构成了一个正反馈环节，经过若干次迭代后，正确样本被采样的概率远超过错误样本被采样的概率。

Global convergence strategy is combined to gauss-newton method that performs the virtue of insensitiveness to initial guess in iteration algorism, when applied to nonlinear least square estimation in target location, the algorism can approach the precise guess by iterations with the noise-polluted initial guess.

将全局收敛策略与牛顿法相结合，得到了对初值不敏感的迭代算法。将该算法应用于非线性最小二乘目标定位中，在初值受测量误差影响而估计不准的情况下，可以通过迭代得到精度更高的解。

This paper discusses the nonlinear inversion algorithms instructively andmainlystudytwokinds ofnonlinearinversionalgorithms: SimulatedAnnealingConjugate Grads and Artificial Neural Network Genetic Algorithms, these two methods can decrease the iteration times and avoiddroppinginto the local extremum, we do the model calculation and confirm thevalidityofthealgorithm.

对非线性反演算法进行了有益的探讨，主要研究了两种非线性混合优化反演算法：模拟退火共轭梯度混合反演和神经网络遗传反演算法，两种混合算法都达到了减少迭代次数、避免陷入局部极值的目的，并进行了模型试算，验证了算法的有效性。

In the computation of aerodynamic forces, the present work is based on the work of Morino et al., but the following aspects are improved:(1) In computing the steady transonic aerodynamic load, the steady transonic nonlinear integral equation is solved by relaxation-iteration method in this thesis, instead of solving the time dependent transonic nonlinear integral equation, so that the computing time is saved greatly;(2) The influence coeifficients represented by volume integral are transformed to surface integral by using the Gaussian Theorem, so the analytical form of these coeifficients can be obtained and this leads to be more convenient to analyse and compile computer program;(3) The shock capturing method is used in every time step in present work, no shock moving term is added in the integral equation, so that it is more convenient and simpler to treat.

在气动力计算方面，本文基于Morino等人的工作，作了如下几方面的改进：（1）在计算定常跨音速流场（作为非定常绕流计算的初场）时，本文采用松驰迭代法直接求解跨音速定常非线性积分方程，而不是采用时间相关法求解非定常非线性积分方程，这样大大节省了计算机时；（2）将以体积分形式出现的影响系数化为面积分，并获得解析公式，这样便于分析和编写程序；（3）对运动的激波，本文通过在每一个时间步长上采用激波捕捉法而得到，而不是在积分方程中附加激波运动项，因而处理起来简单方便得多。

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。