电气基础知识.docxVIP

电气基础知识

目录

一、电路理论................................................4

1.1电路基本概念.........................................5

1.2电路分析方法.........................................6

1.2.1电压和电流.......................................7

1.2.2电阻和电感.......................................8

1.3电路的基本定律.......................................9

1.3.1基尔霍夫定律....................................10

1.3.2欧姆定律........................................12

1.3.3安培定律........................................12

1.4动态电路分析........................................13

1.4.1一阶电路........................................14

1.4.2二阶电路........................................15

二、电磁学基础.............................................16

2.1电磁感应............................................17

2.1.1法拉第电磁感应定律..............................18

2.1.2楞次定律........................................19

2.2电磁场理论..........................................20

2.2.1高斯定律........................................21

2.2.2高斯磁定律......................................22

2.2.3磁路欧姆定律....................................23

2.3电磁波与无线电传输..................................23

2.3.1电磁波的产生与传播..............................24

2.3.2无线电波的发送与接收............................25

三、电子技术...............................................26

3.1半导体器件..........................................27

3.1.1二极管..........................................29

3.1.2晶体管..........................................30

3.1.3场效应管........................................32

3.2基本电路............................................33

3.2.1放大器..........................................34

3.2.2比例放大器......................................35

3.2.3运算放大器......................................36

3.3数字电路............................................37

3.3.1组合逻辑电路....................................38

3.3.2时序逻辑电路....................................39

3.3.3脉宽调制与脉冲宽度调制....................