查询词典 continuous current

The authors studied carefully two numerical differential methods, finite difference method and rational polynomial technique, and pointed that FDM is the special ease of RPT when the limit state function is linear. Accordingly, FDM3 can be used for the continuous linear limit state function and RPT5 for the continuous nonlinear limit state function. For the discontinuous limit state function, RPT should be used because of the large error of FDM.

对于可靠度分析中常用的有限差分法及有理多项式法这两种数值微分方法，本文详细研究了二者间的异同及其求导结果与步长的关系，指出了对于相同的步长控制系数及取样方式，FDM是RPT在线性情况下的特例；对于连续的线性功能函数，可直接用3点FDM求导；对于连续的非线性功能函数，可用5点RPT求导；对于非连续的功能函数，应采用RPT求导。

In the case of the iterative learning control for linear continuous system with the initial error, a kind of ILC approach with compensation to the initial error is presented using the theory of the two dimensional (2 D) linear continuous discrete system.

针对线性连续系统迭代学习控制中含有固定初始误差的情形，利用二维系统理论给出了一种带有初始误差修正的迭代学习控制方案和这种迭代学习控制规律收敛的条件，并说明由此设计的迭代学习控制器简单有效，可实现在初始时间段以外部分对期望轨迹的完全跟踪。

The course is divided into two parts: Part 1: Signal representations - discrete and continuous; System representations; Linear time invariant systems (Superposition, Causality, Impulse response, Stability, Transfer functions); Discrete and continuous convolution.

通过 本课程的学习，学生应能掌握信号分析与线性系统的基本理论及分析方法，应能建立简单电路与系统的数学模型，并对数学模型求解，为后续课程的学习打好基础。

And among regions around the price of land is not necessarily continuous gradient, the premium rate changes in an enclosed space is not continuous, and even in space in some provinces and cities may have a discrete distribution of land, but on the whole, the East West low, South high-low trend of the North exist.

和各地区的土地价格并不一定是连续梯度的保险费率的变化在一个封闭的空间不连续，甚至在太空中的一些省份和城市可能有一个离散分布的土地，但就整体而言，东方西低，南高，低的趋势北方存在。

Optimization design is often used in the design of MRI superconducting main magnet, where all variables are treated as continuous ones. According to the fact that not all variables are continuous, here the design problem is seen as a global optimization problem with discrete variables.

软件简介：在进行MRI超导主磁体的设计时常采用优化设计的方法，将各设计参数看作连续变量处理，但实际上很多参数是离散变量，为了更符合工程实际，将超导MRI 主磁体的设计作为一个含有离散变量的全局优化问题。

In reliability-based optimization problems of a ship's longitudinal structural design, there are lots of discrete variables and continuous variables. This kind of mixed-discrete non-linear optimization problem containing discrete and continuous variables has long been payed attention to, which is more difficult to solve when a number of reliability constraints are taken into account.

在船舶纵向结构的可靠性优化设计中，含有许多离散型设计变量和连续型设计变量，这种含有两种不同性质设计变量的大型结构物的混和优化问题，一直是人们瞩目的难题，尤其是考虑了多个可靠性约束条件之后，求解这种非线性优化问题就更为困难。

In this algorithm, at first the reactive power optimization problem is converted to integer nonlinear programming problem with discrete control variables which are solved by IGA; then by use of PDIP algorithm, the continuous variables which can match with the obtained most are solved, and the reactive power optimization is changed into a nonlinear programming problem with continuous control variables.

首先通过改进遗传算法求解无功优化问题中的离散变量，然后采用原对偶内点法求解与已获得离散变量最匹配的连续变量。

Three solution algorithms for classical transportation continuous/discrete/ mixed network design problems are designed based on particle swarm optimization approach, in which the continuous NDP is studied in detail, discrete and mixed NDP are only described the frameworks of the solution algorithms.2. Generally, road capacity constraints must be added to the lower level problem of classical discrete NDPs bilevel programming model in order to avoid traffic assignment on candidate roads.

本论文研究工作主要有如下几个方面：(1)基于粒子群优化思想设计了求解传统的城市道路交通网络设计问题的算法，其中详细研究了连续网络设计问题，并用两个网络例子进行了数值实验；并给出了离散网络设计问题和混合网络设计问题的求解算法思路和主要步骤。

For continuous data knowledge mining,FCM clustering is used to disperse continuous data to discrete variables for rough set to deal with.

对连续数据知识挖掘可采用模糊C均值聚类将其离散化，再应用粗糙集进行约简。

According to that the eigenstates of applied quantum systems, are with discrete or continuous spectrum construction, quantum information is divided into two types of discrete variables and continuous variables. They have different features and application potentials. Both of them are parallelly developing.

量子信息科学根据所利用的量子变量的本征态具有分离谱或是连续谱结构区分为分离变量与连续变量两大类，连续变量和分离变量量子信息有着不同的特点与应用前景，各具特色，目前正在平行发展。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。