输电线路工频电场的计算与测量研究
陈昊1,朱超1,李义峰1,徐懂理2
Research on Calculation and Measurement of Power Frequency Electric Field for Transmission Line
Hao Chen1,Chao Zhu1,Yifeng Li1,Dongli Xu2

图2. 高倍率仪用差分放大电路

Fig.2. High rate instrumentational difference amplifier