微电流测量研究.docx
微电流测量研究
目录
微电流测量研究(1)........................................4
内容概览................................................4
1.1研究背景...............................................4
1.2研究意义...............................................5
1.3国内外研究现状.........................................6
微电流测量原理..........................................7
2.1微电流的基本概念.......................................8
2.2微电流测量的基本原理...................................9
2.3微电流测量的关键技术..................................10
微电流测量方法.........................................11
3.1直接测量法............................................12
3.1.1电流互感器法........................................13
3.1.2磁电式电流表法......................................15
3.2间接测量法............................................17
3.2.1电压电流转换法......................................17
3.2.2电阻电流转换法......................................18
微电流测量仪器.........................................19
4.1电流测量仪............................................20
4.1.1便携式电流测量仪....................................20
4.1.2高精度电流测量仪....................................22
4.2电流传感器............................................23
4.2.1磁场型电流传感器....................................24
4.2.2电容型电流传感器....................................26
微电流测量应用.........................................27
5.1生物医学领域..........................................28
5.1.1心电图测量..........................................29
5.1.2脑电图测量..........................................31
5.2物理领域..............................................31
5.2.1粒子物理实验........................................33
5.2.2磁场测量............................................34
5.3工程领域..............................................35
5.3.1电力系统监测........................................37
5.3.2电子设备测试........................................38
微电流测量技术发展趋势.................................39
6.1高精度测量技术........................................40
6.2小型化测量技术........................................41
6.3智能化测量技术..................................