逼近度

Hα空间中的函数逼近度

Degree of Approximation of Function in The H_ α Space

一种基于模型逼近度的变步长BP算法

A BP Algorithm with Variable Stepsize Based on Model Approximation Degree

Q型插值样条逼近度的精确估计

Exact estimations on approximation degrees of interpolation splines of type Q

基于模型逼近度和接受概率的一个变步长快速BP学习算法

A fast variable stepsize BP learning algorithm based on model approximation degree and acceptance probability

是Jackson算子Jn的逼近度。

Be the degree of approximation for the Jackson operator J.

从步长选择的角度出发，提出了一个基于模型逼近度的变步长BP神经网络学习算法。

We present in this paper a BP algorithm with variable stepsize based on a concept of model approximation degree .

Fourier级数的（K，φ）平均对有界变差函数的点态逼近度

The Pointwise Approximation Degree of the ( K , φ) Means of the Fourier Series to the Functions of Bounded Variation

采用B样条曲线对实测数据进行磨光，可以保证压力导数曲线具有很好的光滑性、光顺性和逼近度。

In the paper , the method , using B - spline curve to smooth measured data , can ensure the pressure derivation curve has better velvet , smoothness and fidelity .

Fejér算子在BV空间上的点态逼近度

The pointwise approximation degree of the fej é r operators in BV spaces

提出了自适应学习率及动量因子的BP神经网络算法和误差逼近度渐近收缩学习的BP神经网络算法，并将其应用于汽轮发电机组振动故障诊断与识别。

The improved BP algorithms based on adaptive parameters adjustment and error contracting gradually are presented , which are applied successfully to fault diagnosis of steam - turbine generator unit .

关于Matsuoka算子逼近度的渐近表示

The Asymptotic Representation of the Approximate Degree for the Matsuoka Operator

本文讨论了按特征函数展开的Fourier部分和的逼近度和特征函数展式的线性求和法，并对Borg型的唯一性定理的条件作了改进。

The degree of approximation of Fourier partial summation by eigenfunction expansion and the linear summation of eigenfunction expansion are discussed . An improvement on the condition for uniqueness theorem of the Borg-type is made .

文章研究以第二类Chebyshev多项式零点为插值结点组的Grünwald插值多项式Gn（f，X；x）对x的逼近度，并证明其不可改进。

This paper is to study the approximation rate of the Gr ü nwald interpolation polynomials to | x | on the zeros of Chebyshev polynomials of the second kind , and prove that the result can 't be improved .

以加权最佳多项式逼近度为度量工具，建立单纯形上Bernstein算子加Jacobi权逼近的正逆定理，进而刻画逼近阶的特征。

With the best polynomial approximation as a metric tool , we have established the direct and inverse theorems of approximation with the Jacobi weight for multivariate Bernstein operators defined on simplex , and the behavior of the weighted approximation degree is characterized .

本文研究MeyerKonigZeller算子Mn（f，x），对有界函数和p阶有界交差函数在第一类间断点的逼近度，推广和改进了文〔1〕的结果。

His paper studies the degree of approximation of bounded function with discontinuity of the first kind and functions of bounded variation of order p by Meyer Konig Zeller operators Mn ( f , x ) . The result of [ 1 ] is extended and improved .

四阶∧-插值样条的逼近度和渐近式

Approximation and Asymptotic of the Fourth Order A - spline interpolator

拟局部正线性算子逼近度的渐近表示

An Asymptotic Formula for the Approximation Degree by Quasi-local Positive Linear Operators

采用逼近度作为网络新的评价标准。

A new network evaluation criterion , the degree of approximation , was employed .

正线性算子对无穷区间上有界变差函数的点态逼近度

Pointwise Approximation for Functions of Bounded Variation on Infinite Interval by Positive Linear Operators

SAVIDGE：气温已经逼近零度，但是我们发现很多人仍然在这里。

SAVIDGE : And as the temperature s toward zero , we find others still here .

对低密度纠删码的度分布序列进行了研究，证明了Heavy-Tail/Poisson序列、右边正则序列和一般的逼近容量度序列的若干分析性质。

Sequences of degree distribution for low-density erasure codes are investigated . Some analytical properties of the Heavy-Tail / Poisson sequences , right-regular sequences and general capacity-achieving sequences for low-density erasure codes are shown .

对穿孔机轧辊空间位置进行计算机仿真后，作轧制线上某点的垂直截面，根据开度值假设条件，在截面内用作图方式逐步逼近开度值。

After computer simulation of the piercer roll space position , a perpendicular plane is made from a certain point in the rolling line , and then following the assumed conditions for the opening value , the opening value is approached to by means of drawing on the said plane .

北极本月气温最高曾逼近零下5摄氏度，而通常在零下25摄氏度左右。

Temperatures this month have been as high as almost minus 5C when they are normally closer to minus 25C .

北极本月气温最高曾逼近零下5摄氏度，而通常都是在零下25摄氏度左右。

Temperatures this month have been as high as almost minus 5 ℃ when they are normally closer to minus 25 ℃ .

在伯恩斯坦多项式的基础上，定义了伯恩斯坦多项式在收敛区间上的一种新的形式，并采用估值逼近的方法，给出了一个较为简明的对函数的逼近度的结果。

In this paper , a new definition of Bernstein Polynomial in convergence region is proposed , and a concise method is used to demonstrate the result of approximate degree of Bernstein Polynomial function .

扩展乘数法与无界函数的多项式逼近（Ⅳ）&关于拟局部正线性算子的收敛性拟局部正线性算子逼近度的渐近表示

METHOD OF MULTIPLIER ENLARGEMENT AND APPROXIMATION OF NON BOUNDED FUNCTIONS BY MEANS OF POLYNOMIAL OPERATORS (ⅳ) An Asymptotic Formula for the Approximation Degree by Quasi-local Positive Linear Operators