说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 调和平均
1)  harmonic mean
调和平均
1.
The strong limit theorems on the arbitrary stochastic convergence for the harmonic mean of the random conditional probabilities in the random selection system is studied.
主要研究任意随机序列在随机选择系统中的随机条件概率其调和平均的强极限定理。
2.
Weighted harmonic means combination forecasting based on degree of reciprocal grey incidence is a new kind of nonlinear combination forecasting method.
基于倒数灰色关联度的加权调和平均组合预测模型是一种新的非线性组合预测模型。
3.
The purpose of this paper is to provide a direct proof on the fact that the geometric-harmonic mean of any two positive numbers can be calculated by a first complete elliptical integral, and then to give new characterizations of some mean-values.
本文的目的是直接证明任何两个正数的几何-调和平均值都可以用第一类完全椭圆积分来计算,并且给出一些平均值新的特征。
2)  harmonic mean method
调和平均法
1.
The thin layer of cable is handled by harmonic mean method, and the cable is equivalent to two layers, .
采用热路法将电缆金属套损耗归算到电缆导体,应用调和平均法对电缆导体外的薄层进行处理,最终将电缆等效为导体和外护两层结构,减少了剖分节点数,提高了计算精度和收敛速度。
2.
The cable which was composed of multiple layers was equivalent to two layers, conductor and outer layer, by harmonic mean method.
利用调和平均法对电缆导体外的多层介质进行处理,最终将电缆等效为导体和外护层的2层结构。
3)  harmonic mean
调和平均数
1.
In this paper, a simple rule for the harmonic mean and the arithmetic mean was given.
给出了应用调和平均数与算术平均数的简单规则 。
2.
The harmonic mean of real coding complexities for previous coded frames is adopted to predict the current frame\'s coding complexity.
根据指数型率失真模型,调和平均数预测当前帧的图像复杂度,提出了一种新的H。
4)  harmonic average
调和平均数
1.
Appliaction of harmonic average in testing imported tops
调和平均数在进口羊毛条检验中的应用
2.
The relation between arithmetic average and harmonic average is described, which is one of the difficult problem in statistics, and a good approach of the difference between arithmetic average and harmonic average is provided.
文章对统计学中的难点问题算术平均数与调和平均数的关系,特别是其区别做了探讨,找出了区分的较好方法。
3.
In this paper, the relation X≥ X G≥ X H between arithmetic average X, geometrical average  X G and harmonic average  X H of positive number X i>0 (i=1,2,…,n) is proved.
证明了正数xi>0 (i =1 ,2 ,… ,n) ,的算术平均数x,几何平均数xG,调和平均数xH 间的x≥ xG ≥xH 关系 。
5)  harmonic mean
调和平均值
6)  harmonic iterative mean
调和迭代平均值
1.
This paper generalized a class of arithmetic iterative mean, geometric iterative mean in the generalized weighted of and harmonic iterative mean, and then gave the definition,the calculation formula, the equality relations, inequality relations of them, and the limits of the multidimensional iteration
将一类算术迭代平均值、几何迭代平均值及调和迭代平均值推广到广义加权平均迭代的情形,给出了这3类广义加权迭代平均值的定义、计算公式,以及三者之间的一些等量关系、不等式关系和多重迭代的极限。
补充资料:调和平均
分子式:
CAS号:

性质:调和平均也称调和平均数,是平均数的一种。设有n个正数x1,x2,…,xn,则H为这n个数的调和平均数。一般用于某些比率(如商品单位价格,速度等)的平均。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条