We're going to revisit this approximation here when we get to more complicated mechanisms, it's going to become this steady state approximation.
我们会再来看这个近似,当我们学到更复杂的机理后,它会成为这个稳态的近似。
This approximation made the Julian calendar fairly accurate in tracking the annual seasons for several centuries. But eventually the approximation errors accumulated.
这种近似使儒略历准确工作了几百年,但是累计的误差也越来越大。
The optimal approximation functions, of a continuous function which are constituted of the linear combination of series of Chebychev polynome have the characteristics of uniform approximation.
应用第一多项式系列的线性组合构成的某连续函数的最佳逼近函数,具有一致逼近的性质。
In this paper, we discuss rough set approximation under granulation, and establish positive approximation under dynamic granulation.
本文讨论了粒度意义下的粗糙集近似,并定义了动态粒度下的正向近似。
In this paper, the numerical approximation characteristics of fuzzy system are discussed, and the influence of approximation error and initial state error on fuzzy system are analyzed.
该文讨论了模糊系统的数字逼近特性,同时分析了逼近误差和初始状态误差对模糊系统的影响。
Theory and practical computations have shown that the new kind of synthetically approximation is superior to single functional approximation or statistical method.
理论与计算表明,新的综合逼近法优于单独的函数模型逼近和统计模型逼近。
The recently proposed "analytic approximation solution" is proved to be a good approximation to the corresponding analytic solution under some conditions.
从精确解出发,推导出最近文献中提出的“解析近似解”,并指出该近似解的适用条件。
By using this method the extended error of the approximation model is diminished, the approximation precision is improved, and the flexibility is enhanced based on having the same sample points.
该方法在样本点相同的情况下减小了近似模型的推广误差,提高了近似精度,增加了适应性。
The second approximation of the solution is of the same accuracy as theory of thin shells, and the first approximation is also sufficiently precise for engineering computation.
二次近似解达到薄壳理论所具有的精度,一次近似解也具有足够精度。
A quasi analytic method for solving structural optimization problems is developed by coordinated use of mathematical transformations, high quality approximation and two level approximation strategy.
协同利用数学变换、高精度近似和二级逼近策略,提出了一种求解结构优化问题的准解析法。
The method can make it more approximation to Helmholtz equation and it's answers include WKB approximation.
该法可以更加近似赫姆霍兹方程,且它的解中包含WKB的近似值。
So a compensator is constructed, which is compensates the approximation error's effect on system output at the condition of the approximation error thought as disturbance of the system.
所以利用系统跟踪误差构造线性最优补偿器,该补偿器用于减少逼近误差对系统跟踪误差的影响。
A series of Gaussian digital approximation filters used in roundness measurement were designed on the basis of approximation method and bilinear transformation.
文中用逼近法和双线性变换法,设计了用于圆度测量的高斯数字逼近滤波器,并给出了零相移的递归滤波算法,计算量小,计算效率高,易于实现。
A finite element numerical approximation scheme and an alternating direction finite element approximation scheme are established.
建立了其有限元和交替方向有限元的两种数值逼近格式。
The approximation operator for every kind of the objective function is different in approximation Theory.
在逼近问题中,对于不同的目标函数,采用的逼近算子也有所不同。
However, the generalized moving least squares approximation makes require least squares approximation with regard to functional and its derivative value on all nodes.
而广义移动最小二乘近似要求近似函数及其导数在所有节点处的误差的平方和最小。
Function approximation is one of the most important ability of ANN, a function object can be replaced by an ANN model with function approximation ability.
函数逼近能力是ANN具有的重要性能之一,依据ANN具有的函数逼近能力,可用ANN模型去替代一个确定的物理对象。
It is found that they are compatible and interrelated in the ladder approximation, whereas beyond this approximation the interrelation is not established.
发现在梯形近似下,它们是自洽并有内在联系的;但在更一般的非梯形近似的情况下,这种内在联系并未找到。
If we substitute actual model for approximation model, the precision of approximation model is very important.
如果用近似模型来代替真实模型,那么近似模型精确度就变得非常重要。
We discuss the relation between fuzzy measure defined by lower approximation and upper approximation of fuzzy set and probability fuzzy measures.
讨论了利用模糊集的下近似和上近似定义的模糊测度和概率模糊测度的关系。
The finite cluster approximation method is conceptually as simple as an ordinary mean field approximation, but gives much better results.
有限集田近似方法与平均场近似相比,在数学上处理同样简单,但可给出更好的结果。
The two methods of model simplification are presented for large scale systems, they are the least square approximation and the rational fraction approximation.
本文针对大系统的频域模型简化提出了两种方法:最小二乘近似法和有理分式近似法。
The results by the small slope approximation are also compared with those of the Kirchhoff approximation with.
同时将小斜率近似与考虑遮蔽效应的基尔霍夫近似和有关实验测量结果作了比较。
A series of new formulas for frequency characteristic approximation are worked out and specific approximation method is given.
文中导出了一系列的新公式,并阐述了具体的逼近方法。
This paper gives a class of approximation identity operators on the integer domain of a local field, and a theorem on estimates of their approximation degree.
本文在局部域的整数环上给出了一类逼近恒同核和关于它们的逼近阶估计的定理。
It used the moving least square approximation as a trial function, and used the weighted function of the moving least square approximation as a test function of the weighted residual method.
这种方法采用移动最小二乘函数来近似解变量,并且采用移动最小二乘近似函数的权函数作为加权残值法的权函数。
At last, a new definition of the rough degree is defined, and lower approximation has the same inequality and the same sufficient condition as upper approximation with the new definition.
最后,给出一个新的粗糙度定义,并证明在这种定义下,下近似具有与上近似一样的不等式及其充分条件。
To further improve the approximation performance of multiresolution signal approximation (MSA) algorithm, a new MSA algorithm based on support vector machine (SVM), named SVM-MSA is proposed.
为了进一步提升多分辨率信号逼近算法(msa)的逼近性能,提出了一种基于支持向量机(SVM)的信号多分辨率逼近算法(SVM - msa)。
A method to construct a kind of combinatorial linear approximation operators is given and some linear operators which have special approximation properties are obtained.
给出一种构造组合线性逼近算子的方法。由此可得到具有特殊逼近性质的线性算子。
A method to construct a kind of combinatorial linear approximation operators is given and some linear operators which have special approximation properties are obtained.
给出一种构造组合线性逼近算子的方法。由此可得到具有特殊逼近性质的线性算子。
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