查询词典 convergence factor

In addition, Affected by air circulation, the less water vapor convergence is also an important factor of Inner Mongolia drought.

受大气环流影响，内蒙古高原水汽辐合偏弱是内蒙古夏季干旱的重要原因。

With appropriate crossover parameter and self-adaptive aberrance factor, the convergence of the algorithm is improved and the system's motion precision is leveraged.

同时将改进的遗传算法采用最优个体保留策略，设计交叉参数和自适应变异参数，确保算法具有良好的收敛性。

The strategy the best individual to be reserved in the ameliorated genetic algorithm operation is applied. With appropriate crossover parameter and self-adaptive aberrance factor, the convergence of the algorithm is improved and the system's motion precision is leveraged.

同时将改进的遗传算法采用最优个体保留策略，设计交叉参数和自适应变异参数，确保算法具有良好的收敛性。

The reconstructed images usually suffer from salt and pepper noise when reconstructing with conventional ART, by adding a relaxation factor the convergence speed can be accelerated and the problem of salt and pepper noise can be overcomed.

传统ART算法在重建图像中普遍存在椒盐噪声，通过加入松弛因子，不但加快了算法的收敛速度，而且克服了椒盐噪声。

Secondly, pollution emission nudging technique is introduced and used to correct urban average SO_2 and NO_X emission, error factor and convergence condition of emission nudging technique is studied and hourly SO_2 and CO emission of Peking is also experimented.

提出污染源"Nudging"修正模型，进行城市SO_2、NO_x排放强度的"Nudging"修正试验，讨论了"Nudging"试验的收敛条件和误差因子，并进行了北京SO_2和CO逐小时排放的"Nudging"修正试验。

Leading resistant factor into the necessary condition can also enlarge the quadratic convergence region near optimal solution so that it is very efficient to use the known flash calculations at one condition to iteratively compute another optimal solution at other conditions where pressure, temperature and mole fractions of components are close to known ones respectively.

在极值必要条件式中引入阻尼因子能扩大真解附近的平方收敛域，尤其在利用已知条件下的汽液平衡结果作初值直接用极值条件方程迭代计算压力、温度和组成变化不严重的相邻点的汽液平衡极值解方面效果十分显著，适合于加快组分模型的计算速度。

Random matrices; empirical spectral distribution function; Stieltjes transform; convergence rate; factor model; time series

基础科学，数学，概率论、数理统计随机矩阵；经验谱分布； Stieltjes变换；收敛速度；因子模型；时间序列

In view of trust region algorithm has good global convergence for solving non-linear quadratic programming problem,the effective elastic module s damage factor and the damage distribution function is introduced by FEM updating .

鉴于信赖域算法在求解非线性二次规划问题中具有良好的全局收敛特性，同时结合有限元模型修正技术，引入有效弹性模量损伤因子和损伤分布函数的概念，在Matlab编程环境下调用ANSYS有限元程序中的APDL语言进行桥梁空间结构的有限元建模，利用信赖域算法调整局部单元的参数，通过连续损伤分布插值多项式拟合连续区段各单元的损伤分布曲线，进而实现了对连续梁桥的动力损伤识别。

Most important aspects determining media developments at the end of the 20th century were digitalization, globalization, and convergence with Internet as an integrating factor.

20世纪末，决定媒介发展的最重要的因素是数字化、全球化以及同因特网的融合。21世纪的前三年见证了这些重大发展——移动电话已表现出整合的可选性，而移动电话可能会成为一个新的同因特网竞争或合作的重要实体；全球电视业已允许竞争存在于新闻和国际事务报道中，特别是经济和金融类报道。

When we analyse rigid body with the theory of limit equilibrium, we do not obtain always reasonable maximal principle in physics, and the maximal value is the result of soil plasticity deformation.(2) Thoroughly commenting the typical method of slices from their satisfid equilibrium conditions, calculational parameter and their convergence, the thesis sortes the methods into four kinds. The first satisfies all kinds of equilibrium conditions, can obtain interslice force and the factor of safety.

2从满足的平衡条件、求解的参数及其解收敛性等，分析了各种常用极限平衡条分法，将其分为四类，第一类方法既满足力的平衡，也满足力矩平衡，能获得条间力和稳定系数的收敛解；第二类方法只满足一个方向力的平衡和力矩平衡，只能求得稳定系数；第三类方法既满足力的平衡，也满足力矩平衡，但不是严格的静定问题，解的收敛性差；第四类方法满足两个方向力的平衡，不满足力矩平衡，可求得稳定系数和条间力的大小，不能求得条间力方向。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。