逼近的

The common assumptions on the time-delays of the system are not required; only one fuzzy approximator is needed for compensating all the unknown functions. Thus, the structure of the controller is simplified.

该方法取消了对系统时滞常做的假设，仅采用一个模糊逼近器便使所有的未知函数得到补偿，简化了控制器的结构。

RBF networks have several following advantages: being a best universal approximator, having rapid learning speed and a compact topological structure.

径向基函数网络被认为是通用的函数逼近子并具有快速的学习能力和紧致的拓扑结构等优点。

One bases on function value and another bases on arithmetic average difference quotient. In this paper, the author mainly studies the approximation properties of both the function value and the derivative of two kinds of splines interpolation mentioned before, and the optimal error constants are obtained finally.

文中分别就这两类插值样条的函数值及一阶导数的逼近性质展开讨论，相应得出这两种插值函数在被插函数分别为一阶连续可导和二阶连续可导情况下的最佳误差常数。

According to the approximation ability of WNN, the nonlinear system is able to be modeled, obvious effect was shown in process modeling of residuum cracking and prediction of asphaltum yield and pyrolysis gas yield.

利用小波网络的逼近性，对非线性系统进行建模和预测，通过渣油裂解的实例，将小波网络与RBF网络作为对比，可以看出，小波网络的建模和预测效果都优于RBF网络。

In the second chapter,we establish the weakly asymptotic order of the classical Bernstein interpolation sequence approximate functionin the Wiener space(or 1-fold integrated Wiener space).

第二章给出了经典的Bernstein多项式算子列逼近函数时在Wiener空间(或1-重积分Wiener空间)下的平均误差的弱渐近阶。

In this paper the degree of approximation by n-dimensional Bernstein polynomials is discussed.

本文讨论了k维空间的伯恩斯坦多项式在不同的距离下的逼近度。

The authors put forward a method of FIR filter design based on Chebyshev best uniform approximation which can be used to separate potential anomalies.

提出了一种可以用于位场分离的基于Chebyshev最佳一致逼近原理的FIR滤波器的设计方法。

In order to get the exact value of the Hopf bifurcation point, we discuss the discrete version of the integro-differential equation, and use the approximation parameter as the initial value of the Newton iteration method.

为了得到Hopf参数的精确值，进一步讨论了延迟积分－微分方程的离散形式，利用Newton迭代法，得到了参数的逼近值。

We use heat equation and binomial model to solve the function.

解方程式则用了热扩散方程法以及二项式模型；二项式模型用了Cox、Ross、Rubinstein所提出的CRR二元树的概念推导选择权期初价格，所得到的二项式模型极限值将逼近於布莱克-休斯模型。

A kind of subdivision algorithm based on the way of bisection is put forward.This algorithm can subdivide curve evenly,and can get to approach better result by less subdividing.

提出一种基于对分方式的细分算法，能均匀地细分曲线，并用较少的细分次数得到对曲线较好的逼近效果。

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。