查询词典 harmonic component

The first drive component (1) is movably embodied in the small electrical appliance such as to carry out an oscillating movement in counter-phase to the second drive component (2). The centres of gravity of the first drive component (1) and the second drive component (2), including components which are displaced with the first drive component (1) or the second drive component (2), move in a common line.

第一驱动组件(1)被可动地安装在小型电动器具中，使得它执行第二驱动组件(2)反相的振荡运动，且第一驱动组件(1)和第二驱动组件(2)包括与第一驱动组件(1或第二驱动组件(2)共同运动的那些部分的重心在一条公共直线上运动。

"Electronic 1C Chip drawing system" provides many functions such as "modify the position of the component"s diagram""modify the color of the component"s diagram""magnify and minify the component"s diagram without distortion""change the type of drawing line""edit some physical properties of the component""copy and paste diagram of one component""delete one or more component diagrams""move more than one components" positions""change the z_order of the diagram,set it to back or bring it to front""save the drawing of the electronic components to one file and the file extension name is *.brd""print the drawing".

电路板元器件绘制系统主要完成了使用鼠标拖拽、鼠标点按的方式绘制电路板上各种常见的元器件图形；编辑电路板上元器件图形的位置；编辑元器件图形的颜色；不失真的对器件图形进行放大和缩小；编辑元器件图形的线型；编辑电路板上各个器件的物理属性(比如电阻的阻值大小、电容的容量大小、额定电压等)；复制已经绘制出的电路板上的器件；粘贴剪贴板上的器件；删除单个或多个已经绘制出的器件图形；同时改变多个器件图形的位置；改变绘制区内各个元器件的z order顺序，也就是可以将层叠在一起的图形置前或置后；把绘制的电路板器件图保存到指定文件中；能打开、查看和修改保存的电路板器件图；打印电路板器件图。

With Matlab simulation software, a research on simulation of harmonic detection means based on instantaneous reactive power theory is carried out, and a detailed analyse of the simulation result is presented. The result indicates: the harmonic detection means based on instantaneous reactive power theory can detect harmonic and reactive component in three-phase current precisely and re...

利用Matlab仿真软件，对基于瞬时无功功率理论谐波检测方法进行了仿真研究，并对仿真结果进行了较为详细地分析，仿真结果表明：基于瞬时无功功率理论谐波检测方法可以准确、实时地检测出三相电流中的谐波电流及无功电流，可为抑制谐波和无功补偿提供可靠的谐波及无功电流分量。

Verification of the harmonic constants of four tidal components M2、S2、K1 and O1 and the result of tide gauge stations which are distributed in China sea: the mean bias of the amplitude and phase of M2 component is 4.5cm and 4.8o;the mean bias of the amplitude and phase of S2 component is 2.0cm and 4.1o;the mean bias of the amplitude and phase of K1 component is 1.0cm and 3.3o;the mean bias of the amplitude and phase of O1 component is 3.0cm and 3.5o.

与分布于中国近海的验潮站资料相比，对于主要半日潮和日潮M2、S2、K1、O1的印证结果为： M2分潮振幅的平均偏差为4.5cm，迟角的平均偏差为4.8o；S2分潮振幅的平均偏差为2.0cm，迟角的平均偏差为4.1o；K1分潮振幅的平均偏差为1.0cm，迟角的平均偏差为3.3o；O1分潮振幅的平均偏差为3.0cm，迟角的平均偏差为3.5o。

Through analyzing the harmonic component of the coupler curve of RCCC mechanism,the relationship between the harmonic component of the rotation-angle function and the dimensional type of the RCCC mechanism was discovered.

通过对其连杆轨迹谐波成分的理论分析，发现了连杆转角函数谐波特征参数与机构尺寸参数的内在联系，进而确定了机构的基本尺寸型。

The part that has completed at present is as follows: The first day -- Flex foundation, inclusive content has: The data that Flex of understanding of space of work of Flex Builder Flex Builder of understanding of Flex, Flash, Flash Player, AIR overview compiles package to understand MXML component beforehand binds incident of calm processing user to understand incident object to use ActionScript to add incident dictograph to use HttpService to get data the following day -- package is developed, this part includes following video: The MXML component that shows in DataGrid the use of layout container founds data to be defined oneself realizes Value Object kind found found from definition incident define incident oneself kind define project apply colours to a drawing oneself implement the use that explores Flex Bulider is small doohickey the 3rd day -- work in coordination, include: Data test and verify uses long-range object to transmit data format to change data to accuse from list medium procrastinate put data to use E4X to filter XML deploy Flex and AIR application the 4th day -- add visual component, specific content is as follows: Executive navigation container embeds image embeds font founds the layout that is based on a tie to apply a style to combine Adobe CS3 to make package skin found view status animation for MXML component: Skin of component of implementation of behavior and encode of graph of scale of API of plot of union of specially good effect is patulous package the 5th day -- the exercise of behavior form a complete set of timer of Flash of understanding of advanced development skill and code of give typical examples can come the page of Flex In A Week of Adobe government downloads.

目前已经完成的部分如下：第一天——Flex基础，包括的内容有： Flex、Flash、Flash Player、AIR概述了解Flex Builder Flex Builder工作空间了解Flex预编译组件了解MXML 组件的数据绑定处理用户事件了解事件对象使用ActionScript添加事件侦听器使用HttpService获取数据第二天——组件开发，该部分包括如下视频：在DataGrid中显示数据布局容器的使用创建自定义的MXML组件实现Value Object类创建自定义事件创建自定义事件类自定义项目渲染器探索Flex Bulider的使用小窍门第三天——协同工作，包括：数据验证使用远程对象来传输数据格式化数据从列表控件中拖放数据使用E4X来过滤XML 部署Flex和AIR应用第四天——添加视觉组件，具体内容如下：执行导航容器嵌入图像嵌入字体创建基于约束的布局为MXML组件应用样式结合Adobe CS3制作组件皮肤创建视图状态动画：行为和特效结合绘图API绘制图形编码实现组件皮肤扩展组件第五天——高级开发技巧了解Flash定时器的行为配套练习及示例代码可至Adobe官方的Flex in a Week页面下载。

On this basis a design scheme of the database for SCADA based on the component object model is presented, in which the content and background of IEC 61970 standard is introduced first, then some different component model are assayed , then a design scheme of the database for SCADA based on the component object model is presented, the foreground application of SCADA is connected with the database by components.The new model have some advantages: system have disrelation with develop language ,the peculiarity of COM make the system fit in with different apply program developed with different language;(2) the system can be modified and upgraded easily by means of upgrading the component modules;(3) the system can be enlarged easily by means of adding the new component modules without quiet amendment in old system.

为此，本文介绍了一种基于组件对象模型的SCADA数据库系统设计方案，文中首先介绍了IEC61970标准的内容及产生背景，分析了几种不同的组件模型，在此基础上，提出了一种基于COM组件技术的SCADA数据库设计及访问模式，在此模式下根据SCADA数据库不同的功用划分了不同的组件模块，利用组件连接数据库与SCADA前台应用，基于组件技术的SCADA数据库设计有以下一些特点：(1)与语言无关性，COM的特性决定了此系统上可以应用不同语言开发的应用程序；(2)系统易修改及维护，用户可以通过更新组件模块的方式修改及维护系统；(3)系统易扩展新的功能，用户可以通过开发新的组件方式将新的应用与原系统结合，而不用对原系统做很大的修改。

On the base of applied tech. and system structure, the key tech. are expressed in detail. It includes:Knowledge representation technology: it is described in two stages by "Depictive frame + Rule group"."Depictive frame" is used to reflect the factors concerning question field."Rule group" reflects the son-question in question field; knowledge management system: it is made up of knowledge-base editing component, factor classifying component, knowledge inspecting component and extractive knowledge component; uncertainty reasoning adopt method of elicitation search strategy and data drive controlled by member knowledge. It take reliability of compound proof at first. That can resolve the matching contradiction. Reasoning explanation introduce pre-text and followed method of resolving path. Knowledge discovery component take SLIQ as basic arithmetic. It provides classification model in two stage forms which aim at training suit. That is decision tree and productive rule.

在确定应用技术与系统结构的基础上，重点阐述了本文的核心技术，这包括：知识表示技术，采用"描述框架+规则组"的层次结构，"描述框架"用于描述问题域所涉及的因素，"规则组"反映问题域内的子问题；知识管理系统，由知识库编辑构件、因素分类构件、知识检测构件和知识求精构件组成；不确定性推理机采用启发式搜索策略，元知识控制的数据驱动，以复合证据可信度优先作为匹配冲突消解的策略，推理解释采用预置文本与求解路径追踪的方法；知识发现，采用SLIQ快速可伸缩算法，分类模型用判定树与产生式规则两种形式描述。

An artificial method of constrained coassembling process plan based on VRML model includes setting slide – rotary connection constraint; selecting artificial assembling body model; confirming constraint type of each component to its front or back end component in open or closed loop mechanism; calculating translation and rotary matrix of each component in moving course and its position parameter; generating time – order – path matrix and key frame as per time section; writing each key frame in reverse mode into interpolator of each component VRMC model; adding route in sequence between time and position sensors, position sensor and component form node for generating artificial picture.

本发明属于CAD协同产品设计技术领域，其特征在于：在网络环境下，设计者依托装在节点机上的三维VRML模型，以设计者与设计场景交互方式按照以下步骤实现有约束协同装配工艺规划：设定滑动转动联接约束；选定仿真装配体模型；确定开环或闭环机构中各零部件与它的前端和后端部件的约束类型；计算各零部件在运动过程中的平移和转动矩阵，再根据相应的约束计算运动过程中各零部件的位置参数；再据此生成零部件的时间-顺序-路径矩阵，按时间段形成关键帧；把各关键帧分别以逆序写入VRML各部件模型的插补器，依次在时间传感器和位置传感器之间、位置传感器和零部件造型节点间加入路由，生成仿真画面。

It is shown that two-component Wadati-Konno-Ichikawa equation, i.e. a generalization of the wellknown WKI equation is obtained from the motion of space curves in Euclidean geometry, and it is exactly a system for the graph of the curves when the curve motion is governed by the two-component modified Korteweg-de Vries flow. At the same time, a n-component generalization to the WKI equation is obtained. Also, starting from the motion of curves, mKdV and its symmetry recursion operator is exhibited explicitly; two- and n-component mKdV systems are obtained. It is shown that WKI systems are gauge equivalent to mKdV systems. The two-component WKI equation admits an infinity number of conservation laws and a recursion formula for the conserved densities is given by considering an eigenvalue problem together with introducing an appropriate transformation.

在二维和三维欧氏空间上，我们从空间曲线运动出发，推导出了mKdV方程以及它的用以生成高阶对称的递归算子；推导出了多元mKdV方程以及二元和多元WKI方程，并证明了WKI系统和mKdV系统的规范等价性；尔后，通过考虑特征值问题，并引入一个恰当变换，给出了二元WKI方程的用以计算无穷多守恒密度的递归公式，从而证明了二元WKI方程的守恒可积性；系统地分析了两种mKdV方程的Painleve性质，并分别给出了两种不同形式的二元和n元mKdV方程的共振点出现的规律。

Metrorrhagia is also gynaecological problems of common diseases.

崩漏是妇科常见病也是疑难症。

WordFTP gives you the convenience and timesaving you need.

wordftp让您的方便和省时您所需要的。