通过实例分析,探讨用勒让德多项式和定解条件求解静电场时确定系数的方法。
By analyzing the sample, study the method of seeking given parameters by using Lengendre polynomials and condition of fixed solution.
首先对具有随机时滞的网络控制系统模型进行简化,导出了具有不确定系数的时滞离散时间系统模型。
Firstly, the networked control system model with random time-delay is simplified and transformed into a discrete-time system model with uncertain parameters.
在给定分段节点横坐标的条件下,通过确定系数矩阵和反求曲线顶点,基于最小二乘法推导出最优节点的纵坐标公式。
The optimum knots ordinate formula in the least square sense is derived by computing coefficient matrix and curve vertexes under the specified subsection knots abscissas conditions.
枯叶生物量在生殖生长期有着较为稳定的线性增长规律,相关性模型确定系数R 2为0.471 ~ 0.676。
In reproductive period, the dead leaf biomass increased steadily in a linear pattern, with the determination coefficient R2 ranged from 0.471 to 0.676.
采用确定系数、绝对误差、相对绝对误差、均方根误差、相对均方根误差等模型评价指标对不同模型系统的精度进行比较分析。
Coefficient determination, absolute bias, relative absolute bias, root mean square error and relative root mean square error were employed to evaluate the precision of different model systems.
根据群延迟函数与倒谱系数之间的关系,可以确定分母的多项式系数。
Based on the relationship between the group delay function and the cepstral coefficients, the denominator polynomial coefficients can be determined.
在XML中建模这种类型的关系数据的关键是要了解您有可使用的所有工具,并应用常识来确定什么工具最适合某种特定情况。
The key to modeling this type of relational data in XML is to understand all the tools you have at your disposal, and apply common sense to determine what will work best in a particular case.
有很多,不过有一条似乎合理的规则是基于这样一种思想,即权系数和阈值的调整应该由分式(t-y)确定。
There are many, but one plausible rule is based on the idea that weight and threshold modification should be determined by a fraction of (t - y).
检查db 2 exfmt或VisualExplain输出中经过优化的SQL,因为这是关系数据源下推分析和查询优化器确定计划的基础。
Inspect the optimized SQL in the db2exfmt or Visual Explain output, as this is the basis for the planning decision of the relational data source push-down analysis and the query optimizer.
传统的安全系数法确定地基承载力存在许多缺陷。
Conventional safety factor method for confirming the bearing capacity of foundation soil has many defects.
提出的设计数据如安全系数、许用应力均根据生产实践的应用所确定。
Some datum, for example safety factor and allowable stress are put forward based on production practice.
按测得的相位角放置试重块,由开机测得的幅值影响系数确定配重块重量。
Trial mass is placed according to the phase Angle and counter weight is decided with influence coefficient.
首先采用译码器对输入和输出电压进行判比,确定最优的转换系数,提高了系统的效率。
The decoder determines the optimum conversion ratio to improve the efficiency of system from the relation between the input and output voltage.
根据界面处位移与应力的连续条件,确定了未知弹性波模式系数。
The unknown mode coefficients of elastic waves are determined by means of the continuous conditions of displacement and stress on the boundary of the interfaces.
并将两种特征模型进行线性融合,得到最终的目标表征模型,其中的融合系数由特征似然图对比度自适应确定。
The final target representation model was obtained by means of linear fusing the two feature models, and the fusion coefficient was determined adaptively by contrast ratio of feature likelihood map.
改进方法包括:提出应力修正系数概念和一种适用于轮盘榫槽结构的理论应力集中系数确定方法,以及应力比修正方法。
It includes the concept of stress correction coefficient, a new method to determine the stress concentration factor of mortise of a disk and a new method for correcting the stress ratio.
目的探讨加权关联度分析在综合评价中指标权重系数的确定方法。
Objective To study methods of determining weight coefficient of index comprehensive evaluation of weighted incidence degree analyze.
不用E的等效值或者修正系数,免去确定这些值的争论。
Without equivalent value of E or modified coefficients, there is no debate on the determining of these values.
给出了确定滑移面的方法,除了介绍用传递系数法计算滑坡推力外,还给出了综合考虑极限平衡理论和安全系数的计算方法。
According to limit equilibrium theory and safety coefficient method, the calculation methods of landslide thrust forces are put forward, together with the transmitting coefficient method.
通过实例论述了在采矿方法模糊决策中用层次分析法确定权系数的原理和方法。
Examples are cited to explain the principle and method to determine weight coefficient using analytic hierarchy process in fuzzy decision of mining method.
加权求和是信息融合处理中一种简单、有效的方法,但如何确定加权系数,将直接影响到融合处理的效果。
Weighted method of data fusion is a simple and effective method, and the weighted coefficient determines the effect of fusion.
简要介绍了事故损失统计中一些量化方法的应用,同时提出用方差分析来确定加权系数的取舍。
The paper simply reviews the application of quantification method in accident loss statistics, and proposes the method of mean square deviation analysis to determine the weight coefficient of simples.
方法采用聚类分析原理和方法,将专家个体排序向量进行分类,根据分类结果确定专家权重系数。
Methods The collating vectors of individual expert are classified with hierarchical clustering principle and the expert weight coefficients are determined according to the result of classification.
利用相关系数在真实匹配点附近的统计特性,通过对相关系数进行曲线拟合,根据其一阶导数确定最大相关系数所在的位置,快速得到亚像素匹配点。
By using the statistic properties of the correlation coefficient, a curve correlation coefficient is calculated, and then the matching point is obtained through evaluating it's derivative function.
应用最优组合预测方法的关键在于怎样确定组合权系数。
The crux of applying the optimal combined forecasting method is to determine the combined weight coefficients.
氧传质理论因存在不确定的参数而不能用来预测河流复氧系数。
The oxygen transfer theory can't be used to predict the reaeration coefficient of the rivers due to some undetermined parameters.
氧传质理论因存在不确定的参数而不能用来预测河流复氧系数。
The oxygen transfer theory can't be used to predict the reaeration coefficient of the rivers due to some undetermined parameters.
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