Chapter1Introductory Concepts电力电子技术：应用于电力领域，主要用于电力变换电子技术模拟电子技术：信息电子技术：应用于模拟电路主要用于信息处理数字电子技术：应用于数字电路（举例）该双语课程特点：1.54（理论）+20（实验）学时2.专业基础（考研备考）课3.双语特色（授课特点与学习方法）2.~设计课程主要内容与目标：1.数字电路的分析
Chapter1 Introductory Concepts ◆电子技术 电力电子技术： 应用于电力领域，主要用于电力变换。 信息电子技术： 主要用于信息处理。 模拟电子技术： 应用于模拟电路 数字电子技术： 应用于数字电路（举例） ◆该双语课程特点： 1.54（理论）+20（实验）学时 2.专业基础(考研备考）课 3.双语特色（授课特点与学习方法） ◆课程主要内容与目标：1.数字电路的分析 2.~设计
ContentsDigital and AnalogQuantitiesBinary Digits, Logic Levels and DigitalWaveformsBasicLogicOperations(be discussed together with chapter 3)
Contents Digital and Analog Quantities Binary Digits, Logic Levels and Digital Waveforms Basic Logic Operations (be discussed together with chapter 3)
1-1 Digital and Analog Quantities（数字量和模拟量）? Electronic circuits can be divided into twobroad categories, digital and analog We are discussing both digital electronics(数（模拟字电子学）and analogelectronics电子学）inthisterm
1-1 Digital and Analog Quantities （数字量和模拟量） Electronic circuits can be divided into two broad categories, digital and analog. We are discussing both digital electronics(数 字电子学）and analog electronics （模拟 电子学）in this term
1-1-l Analog Quantities>Ananalogquantity(模拟量)is onehavingcontinuous(连续的)values.Temperature(°F)100959085807570+Timeofdey123456789101112123456789101112PM.A.M.强调：在时间和幅值上都连续取值的信号。（举例：空调）
1-1-1 Analog Quantities ➢ An analog quantity (模拟量)is one having continuous (连续的) values. 强调：在时间和幅值上都连续取值的信号。（举例：空调）
1-1-1 Analog QuantitiesMany quantities are analog in nature; that is,they are continuous quantities. Physical quantities such as temperaturee（温度），(压力),time（时间)，distance(距离)，andpressuresound (声音) are examples of analog quantities
1-1-1 Analog Quantities ➢ Many quantities are analog in nature; that is, they are continuous quantities. ➢ Physical quantities such as temperature (温度), pressure (压力), time (时间), distance(距离), and sound (声音) are examples of analog quantities