17 Circuit Analysis 电子技术专业英语教程_.ppt

1、Lesson 17 Circuit Analysis Method 电子技术专业英语教程冯新宇 主编 电子工业出版社 ,Unit 6 Linear Circuit Analysis,2020/7/13,电子技术专业英语教程,2,Lesson 17 Circuit Analysis Method,Backgrounds Text tour Language in use Vocabulary Structure Reading/writing techniques,2020/7/13,电子技术专业英语教程,3,Terminology Nodal analysis,Backgrounds,2020

2、/7/13,电子技术专业英语教程,4,Terminology,2020/7/13,电子技术专业英语教程,5,Nodal analysis,In electrical engineering, nodal analysis, node-voltage analysis, or the branch current method is a method of determining the voltage (potential difference) between nodes (points where elements or branches connect) in an electrical

3、 circuit. It is used to solve for the voltages and currents at any point in a circuit without working through many individual KCL or KVL rules.,2020/7/13,电子技术专业英语教程,6,Outline Brief introduction (para.1) Node Analysis (para.2-6 ) Mesh Analysis (para.7-8),Text tour,2020/7/13,电子技术专业英语教程,7,The node volt

4、ages are the variables in a circuit KCL is the vehicle used to determine node voltages One node in the network is selected as a reference node,Node Analysis,2020/7/13,电子技术专业英语教程,8,The mesh currents in the network are the variable KVL is the mechanism used to determine mesh currents,Mesh Analysis,202

5、0/7/13,电子技术专业英语教程,9,Vocabulary demonstrate，generalize，ground， label, mesh， network, potential Structure,Language in use,2020/7/13,电子技术专业英语教程,10,Vocabulary,2020/7/13,电子技术专业英语教程,11,to show, manifest, or prove, esp by reasoning, evidence, etc to evince; reveal the existence of,demonstrate in dictionary

6、,2020/7/13,电子技术专业英语教程,12,demonstrate in text,Once the fundamental concepts have been explained and illustrated, we will demonstrate the generality of both analysis techniques through an ac circuit example. 解释与说明了基本概念，可以通过一个交流电路的例子来证明这些分析方法的通用性。,2020/7/13,电子技术专业英语教程,13,demonstrate extension 示范推广 demo

7、nstrate program 演示程序 demonstrate bases 示范基地 multimedia demonstrate 多媒体演示 demonstrate route 示范线 demonstrate visually 直观演示,demonstrate in use,2020/7/13,电子技术专业英语教程,14,demonstrate in use,results demonstrate 结果验证 demonstrate visually 直观演示 make demonstrate 制作演示,2020/7/13,电子技术专业英语教程,15,to form (general pri

8、nciples or conclusions) from (detailed facts, experience, etc); infer to think or speak in generalities, esp in a prejudiced way to cause to become widely used or known to spread throughout the body.to change from a localized infection or condition to a systemic one,generalize in dictionary,2020/7/1

9、3,电子技术专业英语教程,16,In an attempt to generalize this idea, consider the network in Figure 17-4. 可以尝试着对这一结论进行扩展，请考虑如图17-4所示的网络。,generalize in text,2020/7/13,电子技术专业英语教程,17,generalize widely 广泛推广 generalize inverse 广义逆 generalize reasoning 归纳推理 generalize tautology 广义重言式 generalize coordinates 广义坐标 general

10、ize average 广义平均 generalize solution 广义解 generalize application 推广应用,generalize in use,2020/7/13,电子技术专业英语教程,18,n the land surface earth or soil the land around a dwelling house or other building an area of land given over to a purpose land having a particular characteristic matter for consideration

11、or debate; field of research or inquiry,ground in dictionary,2020/7/13,电子技术专业英语教程,19,a position or viewpoint, as in an argument or controversy (esp in the phrases give ground, hold, stand, or shift ones ground) position or advantage, as in a subject or competition (esp in the phrases gain ground, lo

12、se ground, etc) reason; justification,ground in dictionary,2020/7/13,电子技术专业英语教程,20,ground in dictionary,the prepared surface applied to the support of a painting, such as a wall, canvas, etc, to prevent it reacting with or absorbing the paint.the support of a painting.the background of a painting or

13、 main surface against which the other parts of a work of art appear superimposed the first coat of paint applied to a surface.(as modifier) the bottom of a river or the sea sediment or dregs, esp from coffee the floor of a room the area from the popping crease back past the stumps, in which a batsma

14、n may legally stand.ground staff,2020/7/13,电子技术专业英语教程,21,ground in dictionary,a mesh or network supporting the main pattern of a piece of lace a connection between an electrical circuit or device and the earth, which is at zero potential.a terminal to which this connection is made situated on, livin

15、g on, or used on the ground concerned with or operating on the ground, esp as distinct from in the air (used in names of plants) low-growing and often trailing or spreading,2020/7/13,电子技术专业英语教程,22,This reference node is typically referred to as ground using the symbol ( ), indicating that it is at g

16、round-zero potential. 一般这个参考节点作接地端使用，其符号为( )，表明该节点电势为0。,ground in text,2020/7/13,电子技术专业英语教程,23,hot ground 放热地面 loose ground 松散地基 marsh ground 沼泽地 ground work 地基 polygonal ground 地面龟裂 ravelly ground 松散地层 rough ground 崎岖地面 shelter ground 保护地,ground in use,2020/7/13,电子技术专业英语教程,24,label in dictionary,n

17、a piece of paper, card, or other material attached to an object to identify it or give instructions or details concerning its ownership, use, nature, destination, etc; tag a brief descriptive phrase or term given to a person, group, school of thought, etc the label Romantic is applied to many differ

18、ent kinds of poetry a word or phrase heading a piece of text to indicate or summarize its contents a trademark or company or brand name on certain goods, esp on gramophone records,2020/7/13,电子技术专业英语教程,25,label in dictionary,another name for dripstone a charge consisting of a horizontal line across t

19、he chief of a shield with three or more pendants: the charge of an eldest son a group of characters, such as a number or a word, appended to a particular statement in a program to allow its unique identification a radioactive element used in a compound to trace the mechanism of a chemical reaction,2

20、020/7/13,电子技术专业英语教程,26,label in dictionary,vb to fasten a label to to mark with a label to describe or classify in a word or phrase to label someone a liar to make (one or more atoms in a compound) radioactive, for use in determining the mechanism of a reaction,2020/7/13,电子技术专业英语教程,27,Therefore the

21、two remaining nodes, labeled V1 and V2, are measured with respect to this reference node. 因此，剩下的两个节点标注为V1和V2，其值相对于参考节点测量得到。,label in text,2020/7/13,电子技术专业英语教程,28,file label 文件标号 process label 进程标识 label exchange 标签交换 entry label 入口标号 default label 缺省标记 address label 地址标号 internal label 内部标号 label ar

22、ea 标号区 label cylinder 标号柱面 reserved label 保留标签,label in use,2020/7/13,电子技术专业英语教程,29,mesh in dictionary,n a network; net an open space between the strands of a network the strands surrounding these spaces anything that ensnares, or holds like a net the engagement of teeth on interacting gearwheels a

23、measure of spacing of the strands of a mesh or grid, expressed as the distance between strands for coarse meshes or a number of strands per unit length for fine meshes,2020/7/13,电子技术专业英语教程,30,mesh in dictionary,vb to entangle or become entangled (of gear teeth) to engage or cause to engage to coordi

24、nate (with) to mesh with a policy to work or cause to work in harmony,2020/7/13,电子技术专业英语教程,31,For simplicity, we will first illustrate the basic principles of both node analysis and mesh analysis using only dc circuits. 首先，需要列举出只适合直流电路节点分析和网格分析的基本原理。,mesh in text,2020/7/13,电子技术专业英语教程,32,mesh constru

25、ction 网格构造 mesh subdivision 网格细分 artesian mesh 直角网格 electronic mesh 电子网板 mesh stability 网格稳定性 mesh modeling 网格模型 normal mesh 法向网格 rectangle mesh 矩形网格 moving mesh 移动网格,mesh in use,2020/7/13,电子技术专业英语教程,33,network in dictionary,n an interconnected group or system a network of shops Also called: net a s

26、ystem of intersecting lines, roads, veins, etc another name for netanother name for netting a group of broadcasting stations that all transmit the same programme simultaneously a system of interconnected components or circuits a system of interconnected computer systems, terminals, and other equipme

27、nt allowing information to be exchanged,2020/7/13,电子技术专业英语教程,34,network in dictionary,vb to broadcast on stations throughout the country the Scotland-England match was networked (of computers, terminals, etc) to connect or be connected to form business contacts through informal social meetings,2020/

28、7/13,电子技术专业英语教程,35,In this section Kirchhoffs current law (KCL) and Kirchhoffs voltage law (KVL) will be used to determine currents and voltages throughout a network. 本节中将通过一个简单的网络，结合基尔霍夫电流定律和基尔霍夫电压定律来确定电路中的电压与电流。,network in text,2020/7/13,电子技术专业英语教程,36,spacial network 空间网络 network secure 网络安全 spin network 自旋结网圈 calculator network 计算机网络 network raid 网络磁盘阵列 network university 网络大学 tra