查询词典 mathematical expectation

Performance of kinematical and dynamic characteristics of the VEL were simulated. Mathematical model of the whole working process of the VEL was established to integrate the simulation processed.

然后，简单介绍了虚拟样机技术与ADAMS开发平台，对优化设计得到的弹射机构进行验证，分析其静力学、运动学和动力学性能，仿真其运动和工作过程，采用ANSYS软件分析其应力和应变情况。

The multivariable model of the VAV system is established, which is the fundamental of the mathematical analysis of systems.

论文首先建立了变风量系统的多变量控制模型，奠定比较完整的数学分析基础。

The physical model and the linear mathematical model of a typical servo valve-controlled tilting car are builtup.

建立了典型伺服阀控摆式车辆动力系统的物理模型和线性化数学模型。

For example temperature's inertia is great, it's time-lag is serious and it is difficult to establish accurate mathematical model of the object.

温度是工业控制的主要被控参数之一，可是由于温度自身的一些特点，如惯性大，滞后现象严重，难以建立精确的数学模型等，给控制过程带来了难题。

For example temperature's inertia is great,it's time-lag is serious and it is difficult to establish accurate mathematical model of the object.

温度是电热水暖控制的主要被控参数之一，可是由于温度自身的一些特点，如惯性大，滞后现象严重，难以建立精确的数学模型等，给控制过程带来了难题。

First of all, the factors which influence the thermal barrier effect and the relationship between the factors and heat resistance were analyzed. Then, the paper gave the mathematical model of the effect of thermal conductivity, coating thickness, environment temperature difference, and heat exchange coefficient on thermal barrier effect.

研究主要内容如下：本文首先分析了隔热效果的几种影响因素以及它们与隔热效果之间的关系，推导出了包含热障涂层厚度、导热系数、环境温差和对流系数等在内的影响因素与隔热效果之间的数学模型。

The method of segmenting the background noise and surface defects from the paper images by the mathematical morphology is proposed.

提出了采用数学形态学操作从纸病图像中分割强噪声背景和纸病的方法。

The basic operations of mathematical morphology are computationally simple, so one of the main advantages of this technique is its high speed.

由于数学形态学的基本运算简单，因此这种方法的主要优点之一是它的快速有效。

It is important to understand technical talk as social talk, to recognize that mathematics and mathematical objects are not (to borrow terms from the anthropologist Clifford Geertz' analysis of speech) simply "concatenations of pure form,""parades of syntactic variations," or sets of structural transformations.

（为了认识到数学和数学对象并非是简单的'纯粹形式的并列联接'、并非仅仅是句法变换、或并非是一套'结构转换'，以社会谈论理解技术谈论是重要的

The mathematical model for predicting the profile of water wall flow rate and temperature was established on account of mass, momentum and energy conservations.

根据质量守恒、动量守恒和能量守恒方程，建立了超临界锅炉水冷壁流量和壁温计算的数学模型。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。