查询词典 arithmetic mean

There are some traditional methods for the financial risk measurement such as the simple arithmetic method, Mean—Square method and the VaR method, etc, which was pulled out and developed ten years ago.

传统的对于金融风险的度量方法已有很多，主要包括简单算术法、均值—方差分析方法和最近十年来发展起来的VaR方法。

"What do you mean by a problem in arithmetic?"

"你说算术问题是什么意思？"

By analyzing the bode diagram of HAPF system and minimizing the capacity of HAPF, the paper presents a frequency dividing control method based on fuzzy-PI. In this mean generalized integrator is used for frequency dividing integral and fuzzy arithmetic is for adjusting PI coefficients timely. Compare with other kinds of control methods, the proposed one is more simple and easier realization.

该文由常用的并联型HAPF的结构特点分析出发，从容量和幅频特性2个方面探讨HAPF控制中进行有效分频的必要性，根据HAPF对控制方法的要求，文章提出一种基于广义积分的模糊自整定PI控制方法，即通过广义积分实施对周期量的分频积分，同时由模糊算法进行比例和积分系数的在线调整，从而有效实现对HAPF的分频控制。

Beginning with a general mean function, the model analyzes the distance between the arithmetic average and geometric average by Taylor's expanding.

第二章介绍了亚式期权定价研究中的市场结构、一般原理和若干重要的定价方法：PDE偏微分方程法；埃级沃斯级数展开近似定价；倒数分布近似定价；条件期望近似定价；执行价格调整近似定价，这些方法使亚式期权的定价得到了很大的发展。

First, a new similarity measure, named as arithmetic harmonic mean divergence measure, is induced.

首先，提出了新的相似性测度，算术调和均值距离测度AHM，图像通过最大化AHM全局配准，然后将图像划分成均匀子块，采用AHM测度刚性配准各对应子块，选取对应子块的中心作为标记点对，最后，用三次均匀B样条实现图像的弹性配准。

There are many types of filtering methods, such as the limit speed filter and limit amplitude filter used in the program determination method, mean value filter, arithmetic average filter, sliding average filter, etc. This research adopts the combined average filter method that can eliminate the pulse interference.

有许多种过滤方法，如极限速度滤波和限幅滤波程序测定，均值滤波器算术平均滤波，滑动平均滤波等本研究采用了组合平均滤波法，能有效消除脉冲干扰。

The present paper will calculate the development speed of railway transportation for goods, by introducing index theory and making a literature review of arithmetic weighted mean index and stochastic approach.

本文引入指数理论，通过加权算术平均指数和随机指数编制方法的理论阐述与比较，最后应用随机指数化方法对江西省铁路货运生产发展速度进行试算。

The weighted arithmetic-geometric mean inequality is a very important inequality in mathematics.

加权 算术——几何平均值不等式是数学中的一个重要不等式。

The first step of this method is to remove the noises of image edge using wavelet modulus maximum's performance in multi-scale and Lipschitz exponent relation,and then adopts dynamic threshold,that is,former scale modulus image's mean modulus is used as next scale's modulus image threshold.Finally,this arithmetic is tested in image databases of cars.

一种改进的小波模极大值不变矩算法，首先利用小波模极大值在多尺度上的表现与Lipschitz指数的关系去除图像边缘的噪声点，然后采用动态确定阈值的方法，利用前一个尺度下模图像的平均模值作为后一个尺度下模图像的阈值，最后将此算法应用于汽车图像库。

He and Nina moved to California and lived at 2005 Ivar Street, Apt.

他和Nina搬到加州，并在2005年伊瓦尔街，公寓生活。

Droperidol （ potently inhibits transfected HERGchannels and this is the probable mechanism for QT prolongation.

氟哌利多有效地抑制了转染的 HERG 钾通道，可能是 QT 间期延长的机制。