下载文档原格式
专业英语作业（C2S3—P40）alog-DigitalConversionAnMany quantities have continuous values, including temperature, pressure,许多变量都有连续的量值，如温度，压力，displacement, rotation, voltage, current, and intensity of light and sound.位移，旋转角，电压，电流以及光和声音的强度。
The task of quantizing the continuous values into a binary scale is called analog-to-digital conversion (ADC).将连续量化为二进制数字的工作称为模数转换（ADC）Digital-to-analog conversion (DAC) is the inverse process,in which data in discrete values, are converted or restored to a continuously variable form.数模转换是一个相反的过程，它将离散的数据转化或恢复为一个连续可变的形式。
The transducer is the name of the device that produces a voltage or a current proportional to the physical phenomenon to which it responds.传感器是一种装置，它能产生与所反映的实际现象成比例的电压或者电流Analog-to-digital conversion模数转换Only two basic techniques exist for analog-to-digital conversion (ADC).ADC有两种基本方法One is to compare the analog voltage amplitude to a binary voltage scale in which the match yield the binary number that corresponds to the amplitude.一种方法是将模拟电压幅值和二进制电压作比较，在此比较过程中产生与幅值相对应的二进制数。
Section 2 Components of Power Systems 第2节电力系统的组成部分Modern power systems are usually large-scale, geographically distributed, and with hundreds to thousands of generators operating in parallel and synchronously. 现代电力系统通常规模大，地域分布，并与数百名，并同步在数以千计的发电机并联运行。
They may vary in size and structure from one to another, but they all have the same basic characteristics: 他们可能会有所不同的规模和结构从一个到另一个，但它们都具有相同的基本特征：（1）Are comprised of three-phase AC systems operating essentially at constant voltage. （1）是由三个三相交流电压恒定系统经营本质上。
Generation and transmission facilities use three-phase equipment . 发电和输电设施使用三个阶段的设备。
Industrial loads are invariablythree-phase; single-phase residential and commercial loads are distributed equally among the phases so as to effectively form a balanced three-phase system. 工业负荷总是三相，单相负载的住宅和商业之间平等分配的阶段，从而有效地形成一个平衡的三相系统。
电气工程及其自动化专业英语介绍引言概述：电气工程及其自动化专业是一门涉及电力系统、电子技术、自动控制等领域的学科，其在现代社会的发展中起着重要的作用。
本文将从四个方面介绍电气工程及其自动化专业的英语表达，包括专业概述、学科知识、应用领域和职业发展。
一、专业概述：1.1 电气工程及其自动化专业是一门研究电力系统、电子电路、机电与电力拖动、自动控制等领域的学科。
1.2 该专业培养学生掌握电气工程领域的基础理论和专业知识，具备设计、分析和解决电气工程问题的能力。
1.3 电气工程及其自动化专业涵盖了电力系统、电力电子技术、自动控制、机电与电力拖动等多个方向。
二、学科知识：2.1 电力系统：学生将学习电力系统的基本原理、电力传输与配电、电力负荷管理等知识，了解电网的运行和管理。
2.2 电子电路：学生将学习电子电路的设计与分析，掌握摹拟电路和数字电路的基本原理，熟悉常见电子元器件的使用。
2.3 自动控制：学生将学习自动控制系统的原理和设计方法，了解传感器、执行器、控制器等元件的工作原理，掌握控制系统的建模与仿真技术。
三、应用领域：3.1 电力系统：毕业生可从事电力系统的规划、设计、运维等工作，参预电网的建设和运行管理。
3.2 电力电子技术：毕业生可从事电力电子器件的设计与研发，参预新能源发电、电动汽车等领域的技术创新。
3.3 自动化控制：毕业生可从事自动化设备的设计与开辟，参预工业自动化、智能创造等领域的项目实施。
四、职业发展：4.1 毕业生可在电力公司、电力设备创造企业、自动化控制系统集成商等单位就业，从事电气工程设计、项目管理等工作。
4.2 部份毕业生可选择继续深造，攻读硕士或者博士学位，从事科研工作或者成为高校教师。
4.3 随着信息技术的发展，电气工程及其自动化专业的就业前景广阔，毕业生可在智能家居、物联网、人工智能等领域找到更多就业机会。
总结：电气工程及其自动化专业是一门综合性强、应用广泛的学科，培养学生具备电气工程方面的专业知识和技能。
电气工程及其自动化专业英语作文范文Electrical Engineering and Automation: An Integral Part of Modern SocietyIntroductionElectrical Engineering and Automation, a discipline that has evolved significantly over the past few decades, has become an integral part of modern society. Its widespread applications in industry, agriculture, national defense, and various other fields have propelled it to a pivotal position in the global economy.Historical PerspectiveThe field of Electrical Engineering and Automation was first established approximately forty years ago. As a relatively new discipline, it has quickly grown to encompass a wide range of subfields and applications. From the design of switches for aerospace aircraft to the development of complex automated systems, its influence is pervasive.Core ComponentsThe core of Electrical Engineering and Automation lies in its ability to integrate electricity, machines, and intelligent systems to automate various tasks. This integration enables efficiency, precision, and safety in a wide range of applications.•Electricity and Machines: Electricity provides the power that drives machines and systems. Understanding the behavior ofelectrical circuits, voltage sources, current sources, andvarious network elements is crucial for the effective designand operation of automated systems.•Automation: Automation refers to the use of technology to control and monitor processes and machines with minimal humanintervention. It relies on sensors, actuators, and intelligentcontrollers to achieve desired outcomes.Challenges and OpportunitiesWhile Electrical Engineering and Automation offers immense opportunities for growth and development, it also poses significantchallenges. The complexity of modern systems requires a high level of technical knowledge and expertise. Additionally, the rapid pace of technological advancement requires constant updating of skills and knowledge.However, these challenges also present opportunities for innovation and growth. As new technologies emerge, there is a need for engineers and technicians who can understand and apply them effectively. This creates opportunities for those with a passion for learning and a willingness to adapt to new challenges.ConclusionIn conclusion, Electrical Engineering and Automation is a dynamic and exciting field that offers immense opportunities for growth and development. Its applications are pervasive, and its influence on society is profound. As we continue to push the boundaries of technology, Electrical Engineering and Automation will play an increasingly important role in shaping our future.。
【词汇】电阻resistance；电流current；电压voltage；电容capacitance；电感inductance；电感特性exhibit inductance;频率frequency;波形waveform;绝缘体insulator；导体conductor；阻值resist；能力，性能capability；耗散dissipate；容纳accommodate；电容器capacitor；电容capacitance；电感器inductor；共振，谐振resonate；发射器emitter；整流器rectifier；波长wavelength；原子atom；质子proton；电荷，负荷charge；吸引attraction；排斥repulsion；交流发电机alternator；发电机generator；势的，位的potential终端terminal；极性polarity；正弦sine；正弦波sinewave；；周期cycle；三相threephase；偏移量offset；；电枢armature；磁场magnetic field；顶点peak；峰值peakvalue；电路ciruit；负荷，负载load；开关，电闸，转换switch；示意性的schematic；计算，考虑calculate；分子numerator；转化的invert；支流branch；混合物compound；相等的equivalent；方法method；刷新redraw；二极管diode；晶体管transistor；半导体semiconductor；制作fabricate;晶体crystal；结合物bond；四面体tetrahedron；本质的intrinsic；杂物，混杂物impurity；中等的moderate；极性polarity；交感interaction；损耗depletion；相反reverse；真空vacuum；泄漏leakage；数字的numerical；十进制decimal；阿拉伯数字digit；权重weight；幂power；二进制binary；位bit；乘multiply；余数remainder；综合integration；双极的bipolar；变极器inverter；便携式电脑laptop；描述depict；瞬间的momentary；逻辑门gate；图表的diagrammatic；方向，方位orientation；芯片chip；多路器multiplexer；定理theorem；搅拌机mixer；向量vector；摩擦力friction；扭矩torque；乘积product；半径，范围radius；杠杆lever；旋转revolution；惯性inertia；补偿compensate；功work;【短语】工业总线industrial bus;电压差voltage difference; 电压降voltage drop;串联电路series circuit; 并联电路parallel circuit; ;换向开关inverter switch；开关输入量discrete input; 正电荷positive charge；负电荷negative charge; 正向positive direction；负向negative direction；反向opposite direction；三相three-phase；磁场magnetic field;交流变量alternating current component;超时over time; 电场electric field; 峰值peak value；三角函数trigonometric function；均方根root-mean-square;等值电路equal value resistors;复合电路compound circuits; 数字转换conversion of number; 可编程控制器programmable controller；电能electrical energy；机械能mechanical energy；惯性定律law of inertia;电枢磁场armature field;右手法则right-hand rule;采样间隔sampling interval;模拟信号analog signal;数字信号digital signal;模拟量输入analog input；接近开关proximity switch;有功功率active power;放大区amplifier region;异步电动机asynchronous machine;开关量输出discrete output;三相交流电three-phase;有源滤波器active filter；在—之间between and；另一方面on the other hand；利用take advantage of；包围close in；由---组成be formed by；考虑take into account；支路by-pass；中性状态neutral state；挤出去force out；自由电子free electron；电流current flow；图示graphic representation；正弦波sine wave；；；与—有关be referable to；；最小公倍数lowest common multiple；复合电路compound circuits；并联分支parallel branch;物理类型physics types；碳族carbon family；三维的3-dimensional；外层电子outer electron；元素周期表periodic table；PN结PNjunction；N区Nregion；数字系统number system；数字值numerical value；十进制系统decimal system；二进制系统binary system；指轮开关thumb wheel switch；；超大规模集成电路very large scale integration；；真值表truth table；牵引电阻pull-up resistor；；米每秒meters per second；角速度angular speed；外力external force；转动惯量moment of inertia；蒸汽机steam engine；绕—而走walk around；欧姆定律Ohm’s law;色条代码color chart codes；国家军用规格和标准National Military specification and standard;检查和维修inspection maintenance;保修条款;limited warranty policy;原子中性状态neutral state of an atom;电中性electrically neutral;交流正弦波ACsine wave;三相交流电three-phase AC power;瞬时电压instantaneons voltage;有效值effective value;简单电路simple electric circuit;数字电路digital circuit elememts;人工布线manual routing;自动布线auto routing;静力net force；线速度linear speed;角速度angular speed;加速度acceleration;【缩写】DC(Direct Current)直流电；BCD(Binary-Coded Decimal)二进制编码的十进制；CMOS(comliementary metal oxide semiconduct)互补金属氧化物半导体；AC(Alternating Current)交流电；RPM(revolutions per minute)转/分；RF(Radio Frequency)射频，无线电频率；BCD(Binary Coded Decimal)二进制编码的十进制；CEMF（CounterElectroMotiveForce）反电动势；PID（proportional integral differential）比例积分微分；PLC （programmable logic controller）可编程逻辑控制器；ADC（analog to digital converter）·模拟/数字转换器；【翻译】1.Resistors are used to control voltagesand currents:电阻器被用于控制电压与电流2.Resistors are components that have a predetermined resistance.Resistance determines how much current will flow through a component.电阻器是预先设定好的元件。
专业是电气工程及其自动化英语Electrical Engineering and Automation.Electrical engineering and automation is a branch of engineering that deals with the generation, transmission, distribution, and utilization of electrical energy. It also involves the design, development, and maintenance of automated systems.Electrical engineers are responsible for designing and maintaining electrical systems in a variety of settings, including homes, businesses, and industrial facilities. They also work on the development of new electrical technologies, such as solar and wind power.Automation engineers are responsible for designing and maintaining automated systems in a variety of settings, including factories, warehouses, and hospitals. They also work on the development of new automation technologies, such as robotics and artificial intelligence.Education.Electrical engineering and automation programstypically require students to complete coursework in mathematics, physics, and computer science. Students also take courses in electrical engineering fundamentals, such as circuit theory, electromagnetic fields, and power systems. Automation engineering students take additional courses in control theory, robotics, and artificial intelligence.Most electrical engineering and automation programs are accredited by the Accreditation Board for Engineering and Technology (ABET). ABET accreditation ensures that programs meet the highest standards of quality and that graduates are prepared to enter the workforce.Career Outlook.The job outlook for electrical engineers and automation engineers is expected to be good over the next few years.The demand for electrical engineers is expected to increase as the world becomes increasingly electrified. The demand for automation engineers is also expected to increase as businesses look to automate more of their operations.Salary.The median annual salary for electrical engineers is $97,410. The median annual salary for automation engineers is $110,140.Related Fields.Electrical engineering and automation is a relatedfield to several other engineering disciplines, including computer engineering, mechanical engineering, andindustrial engineering.Professional Societies.There are a number of professional societies that electrical engineers and automation engineers can join.These societies offer opportunities for professional development, networking, and leadership. Some of the most popular professional societies for electrical engineers and automation engineers include:Institute of Electrical and Electronics Engineers (IEEE)。
专业英语电路基础characterize描绘…的特征，塑造人物，具有….的特征property 性质，财产equal in magnitude to 在数量（数量级）上等同于convert 转换converter 转换器time rate 时间变化率mathematically 从数学上来讲differen tiate v 区分，区别in honor of 为纪念某人name in honor of为纪念某人而以他命名electromotive force （e m f ）电动势voltaic battery 伏打电池，化学电池an element 一个电器元件interpret 口译，解释，说明the potential at point a with respect to point b is点a关于点b的电势Potential difference/voltage 电势差/电压expend 花费，消耗instantaneous 瞬时的，促发的passive sign convention 关联参考方向the law of conservation of energy 能量守恒定律reference polarity 参考极性electron 电子electronic 电子的electric 电的，电动的time-varying 时变的constant-valued 常量的metal lic 金属的be due to 是因为，由于，归功于building block 模块Coulomb库伦，Ampere安培，joule焦耳，Volt伏特，Watt瓦特，work 功变量u（t），i(t)是电路中最基本的概念。
他们描述了电路中的各种关系。
电荷量的概念是解释电现象的基本原理，电荷量也是电路中最基本的量。
电荷也是构成物质的原子的电器属性，量纲是库伦。
我们从初等物理可以得知所有物质是由基本组成部分原子组成，而原子又包括电子（electron），质子（proton）和中子（neutron）我们都知道电荷e是带负电的电子，在数量上等于1.60210*1019 C, 而质子携带同等电荷量的正电荷，相同数量的质子，电子使原子呈现电中性（neutrally charged）。
TextElectric CircuitThe diagram of Fig 1.1 illustrates the essential parts of an electric circuit，which consists，in its simplest form, of an energy source and an interconnected energy dissipation or conversion device，known as theload.A practical energy source may take one many forms， depending, for example，on/electro —chemical，electro-magnetic,thermo—electric，photo-electric.，principles，but for the purpose of circuit analysis only two idealized forms are recognized， to one of which all practical sources approximate， They are： the voltage source and the current source.The voltage source maintains a constant terminal voltage irrespective of the current supplied to the load. It is important to appreciate that the voltage may be a function of, for example, time, temperature， pressure etc. It is constant without respect to variation of load。
《电气工程及其自动化专业英语》自学指导书
一、教材概述本教材主要内容包括电工基础、电子技术、电力电子技术、电机学、计算机、自动化、电力系统、电力系统保护、发电厂等。课文内容由原版专业教材、专业期刊文章改编而成。在教材的每一章节穿插介绍了专业英语和科技英语的阅读、翻译知识、特点、难点和技巧。同时还介绍了专业英语和科技英语中的常见文体的写作知识，如个人简历、商务信函、产品说明书、学术论文等。在内容编排上，每章节由五大块组成：原文（课文），生词、术语、词汇，课文难点注释，翻译、写作等知识，综合练习。综合练习分为三类：根据课文选择正确答案、根据课文回答问题、英译汉。教材重点：1．掌握教材中出现过的专业英语词汇；2．掌握专业英语的阅读技巧；3．掌握专业英语的翻译技巧；4．掌握专业英语的语法特点；5．掌握专业英语和科技英语中的常见文体，尤其是学术论文的写作知识。教材难点：1．专业英语词汇的积累；2．专业英语的正确应用。二、自学指导Chapter 1 Circuit Theory and Fundamentals Section 1 Current and Voltage（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：专业英语概述（了解）Exercises：独立完成并上交。
Section 2 Circuit Elements（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：翻译标准（了解）Exercises：独立完成并上交。
Section 3 Ohm’s Law（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：翻译过程（了解）Exercises：独立完成并上交。
Section 4 Kirchhoff’s Laws（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：专业英语的语法特点（掌握）Exercises：独立完成并上交。 Section 5 Basic Analysis Methods（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：专业英语的词汇特点I（掌握）Exercises：独立完成并上交。
Section 6 Sinusoidal AC Circuit Analysis and Three Phase Circuits（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：专业英语的词汇特点II（掌握）Exercises：独立完成并上交。
Chapter 2 ElectronicsSection 1 Introduction（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：专业英语的词汇特点III（掌握）Exercises：独立完成并上交。
Section 2 Boolean Algebra for Digital Systems（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：词义的确定——词义选择（掌握）Exercises：独立完成并上交。 Section 3 Analog——Digital Conversion（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：词义的确定——词义的引申（掌握）Exercises：独立完成并上交。
Section 4 Operational Amplifiers（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：长句的翻译（掌握）Exercises：独立完成并上交。
Chapter 3 Power Electronics TechnologySection 1 Semiconductor Switches（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：词类的转换（一）（掌握）Exercises：独立完成并上交。
Section 2 The DC-DC Converters（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：词类的转换（二）（掌握）Exercises：独立完成并上交。 Section 3 DC-AC Converters（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：词类的转换（三）（掌握）Exercises：独立完成并上交。
Chapter 4 Electric Machinery（6学时）Section 1 Principle of Operation of an Inductive machine（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：用词的增省（一）（掌握）Exercises：独立完成并上交。
Section 2 Performance Characteristics of Induction Motors（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词
典翻译全文。专业英语知识：用词的增省（二）（掌握）Exercises：独立完成并上交。
Section 3 Synchronous Machines（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：用词的增省（三）（掌握）Exercises：独立完成并上交。 Section 4 Transformer（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：用词的增省（四）（掌握）Exercises：独立完成并上交。
Chapter 5 Computer Section 1 Computer Basics（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：用词的增省（五）（掌握）Exercises：独立完成并上交。
Section 2 Microprocessor and Memory（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：用词的增省（六）（掌握）Exercises：独立完成并上交。
Section 3 Input and Output Devices（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：句型的转换（掌握）Exercises：独立完成并上交。 Section 4 Software Basics（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：被动语态的翻译（一）（掌握）Exercises：独立完成并上交。
Section 5 Computer Network Basics（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：被动语态的翻译（二）（掌握）Exercises：独立完成并上交。
Chapter 6 Electric Power SystemsSection 1 Introduction（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：否定句的翻译（一）（掌握）Exercises：独立完成并上交。
Section 2 Components of Power Systems（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：否定句的翻译（二）（掌握）Exercises：独立完成并上交。
Section 3 Operation and Control of Power Systems（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：数量词的翻译（一）（掌握）Exercises：独立完成并上交。
Section 4 Power System Stability（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：数量词的翻译（二）（掌握）Exercises：独立完成并上交。
Chapter 7 Power System ProtectionsSection 1 Introduction（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：简历（重点掌握）Exercises：独立完成并上交。
Section 2 Faults and Their Damages on Power Systems（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：商务信函（重点掌握）Exercises：独立完成并上交。
Section 3 Circuit Breakers（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：产品技术说明书（重点掌握）Exercises：独立完成并上交。
Section 4 Distance Protection（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：英语科技论文结构（重点掌握）Exercises：独立完成并上交。
Section 5 Lightning Arresters（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：学术论文写作（一）——论文标题（重点掌握）Exercises：独立完成并上交。
Chapter 8 Electric Power GenerationSection 1 Coal-Fired Power Plants（6学时）熟练掌握专业英语词汇，要求能借助科技英汉词典翻译全文。专业英语知识：学术论文写作（二）——论文作者姓名、单位与联系地址（重点掌握）Exercises：独立完成并上交。
Section 2 Hydropower Plants（6学时）
