近场探头 - 磁场探头 和 电场探头 H-field E-field

近场探头 - 磁场探头 和 电场探头
Near-field magnetic (H-field) and electric (E-field) probes

DIY near field probes DIY近场探头

DIY near field probes DIY近场探头

H-field probes 磁场探头
主要响应磁场，磁场是由电路中电流的变化产生，从而导致电压的变化。

H-field-probe-磁场探头

E-field probes 电场探头
主要是响应电场，电场由电路中变化的电压产生。

E-field probes 电场探头

E-field probes 电场探头

Difference between Electric Field and Magnetic Field 电场和磁场之间的差异

Difference-between-Electric-Field-and-Magnetic-Field

Electric Field and Magnetic Field

近场探头自己制作
https://www.emc.wiki/thread-4032-1-1.html