The maximum prospecting depth of the helicopter frequency domain EM system has been a problem of long controversy.
直升机频率域电磁系统的最大勘探深度究竟是多少，一直是有争议的问题。
By utilizing two field regions with stronger EM field intensity, the pentagon antenna has not only higher EM intensity, but also over twenty times frequency bandwidth.
五边形天线合理利用了两个超宽强场区，使该天线不仅有高而平稳的场强而且能轻易达到二十倍频以上带宽。
The apparent resistivity mapping of the helicopter frequency domain em system in magnetic area has been a problem of long controversy.
直升机频率域电磁系统在磁性地区的视电阻率填图，长期存在争议。
In order to remove the electromagnetic coupling interference which was encountered frequently in IP measurement, most previous studies were based on the frequency characteristics of em coupling.
为了克服激发极化观测中经常遇到的电磁耦合干扰，以往研究大多基于电磁耦合的频率特点。
The response curves of frequency effects of EM coupling in logarithmiccoordinates have distinctive fe…
电磁耦合频率效应特性曲线在双对数座标纸上具有较好的分段线性化特点。
For different plasma-density profiles, the effects of the frequency of EM wave, collisional frequency and plasma density on the attenuation of electromagnetic wave were discussed.
给出了等离子体电子密度线性分布和指数分布时，雷达电磁波的频率、电子碰撞频率、等离子体密度对电磁波衰减的影响。
Transformer: It belongs to static EM, It can be used to change the Voltage, the Current, the phase No., the frequency and the phase of the Electrical power.
变压器：属于静止电机，可改变交流电能的电压，变压器：属于静止电机，可改变交流电能的电压，甚至也可改变相数、频率及相位。甚至也可改变相数、频率及相位。
When the electrons-neutral collision frequency is less than the EM angular frequency, the collision absorption rates increase with the electron-neutral collision.
当电子-中性粒子的碰撞频率低于电磁波的角频率时，碰撞会加强电子的碰撞吸收和静电波的吸收；
The very low frequency electromagnetic method (VLF-EM) has such advantages as portable instrument, simple method, economical and high efficiency.
甚低频电磁法(VLF - EM)，具有仪器轻便、方法简单、经济高效等优点。
The very low frequency electromagnetic method (VLF-EM) has such advantages as portable instrument, simple method, economical and high efficiency.
甚低频电磁法(VLF - EM)，具有仪器轻便、方法简单、经济高效等优点。
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