[地面电磁法]ground electromagnetic method 是用于地面找矿勘探的电磁法。按一次场源形式，可分为定源式和动源式两类。地面电磁法又包括许多变种，命名也不统一。这里引用按观测参量分类的方法，分为倾角法、虚实分量法、振幅相位法、椭圆极化法、感应脉冲瞬变法等。此外，还有以无线电台作为一次场源的几种方法。
矿井瞬变电磁测量在煤矿井下巷道中进行， 干扰因素有别于地面瞬变电磁法。
When transient electromagnetic method for mine is used underground, its influence factors are different from that on surface.
本文介绍与飞行安全有关的机载系统的机内、外电磁干扰问题及目前采用的几种地面EMC测试法和飞行emc测试法。
This paper introduces the effects of EMC on flight safety critical systems and discusses the methods of ground test and flight test used in the systems of EMC testing.
使用的物探方法有重力、地面和航空磁法、地面和航空电磁、IP／ 电阻率法、钻孔物探测井及地震反射。
Methods used have been gravity, ground and airborne magnetics, ground and airborne electromagnetics, IP/resistivity, downhole geophysical logging, and reflection seismic.
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