可控源时间域电磁法应用在海底探测，需要确定装置参数，通过实验和理论计算确定了发射频率的最大值；
For a sea-floor transient electromagnetic exploration system, its maximum transmitting frequency may be chosen as 200 Hz by supposing the sea-floor as horizontal thin conductive plates.
给出了一种时间域瞬变电磁法视电阻率的数值计算方法，利用该方法可以容易地求出中心方式的全程视电阻率。
A numerical method for calculating the exact all-time apparent resistivity for time domain transient electromagnetic method is proposed in this paper.
其一是解释在不同飞行高度测得的时间域航空电磁法资料，从而提供大地电阻率；
The first is to interpret the time-domain airborne electromagnetic data measured at different flying altitude so that the earth resistivity will be provided.
其一是解释在不同飞行高度测得的时间域航空电磁法资料，从而提供大地电阻率；
The first is to interpret the time-domain airborne electromagnetic data measured at different flying altitude so that the earth resistivity will be provided.
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