A directed transient electromagnetic wave in a cold plasma is investigated.
讨论了冷等离子体中的定向瞬态电磁波。
The transient electromagnetic method is a new geophysical exploration method.
瞬变电磁法是一种新方法。
Transient electromagnetic methods is one of thebest means to find water currently.
瞬变电磁法是目前寻找水源的最好方法之一。
Transient electromagnetic transmitter is a part of transient electromagnetic system.
瞬变电磁系统的组成部分。
Carrier Free Pulse Radar is the important application field of transient electromagnetic theory.
无载波脉冲雷达是瞬变电磁场的一个重要应用领域。
This method can be used in the numerical calculation of Transient Electromagnetic Method imaging.
这一方法可用于瞬变电磁成像数值计算中。
To realize TEM imaging is a good way of improving the transient electromagnetic method prospecting precision.
实现瞬变电磁对地下介质的成像是提高瞬变电磁法探测精度的有效途径之一。
When transient electromagnetic method for mine is used underground, its influence factors are different from that on surface.
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。
The composition, work theory, fieldwork method and exploration effect of pulse transient electromagnetic system are introduced.
简述了脉冲瞬变电磁系统的组成、工作原理、野外工作方法及其找矿效果。
The transient electromagnetic method has a stronger adaptability to the surface of construction area, with a higher effectivity.
瞬变电磁法对于施工区地表有较强的适应能力，工作效率较高。
A record system of transmitted current used in All-time Transient Electromagnetic system transmitter is implemented in this thesis.
本文设计实现了应用在全程瞬变电磁仪器系统发射机中的发射电流下降沿记录系统。
The practice proved that transient electromagnetic exploration has good effect in exploring bedrock and differentiating rock strata.
实践证明：瞬变电磁勘探在勘探基岩及划分岩层方面效果较好。
Transient electromagnetic method (TEM) has special advantage and evident result as an approach for detection of water-accumulating gob.
瞬变电磁法(TEM)作为积水采空区的一种探测手段，有着独特优势和显著效果。
Transient electromagnetic method increasingly has been applied in the fields of engineering, hydrology and metallic mineral exploration.
瞬变电磁法在工程、水文及金属矿产勘探等方面正日益得到广泛的应用。
However, as the survey precision required improvement in the transient electromagnetic methods presented new research on technology issues.
但随着勘查精度要求的提高，对瞬变电磁方法技术的研究提出了新的课题。
This paper analyze the characters of some transient electromagnetic disturbance in power system, build a set of electromagnetic pulse simulator.
文章分析了电力系统中存在的一些瞬态电磁干扰及其特性，建立了一套电磁脉冲模拟器。
How does jitter frequency reduce EMI from the viewpoint of fourier series theory and the transient electromagnetic field theory is investigated.
从傅氏级数及空间交变电磁场的角度对采用抖频技术如何来减小EMI进行了分析。
The transient electromagnetic method has a maximum depth because of continuous attenuation by transmission of electromagnetic signal in underground.
由于电磁信号在地下传播时不断衰减，瞬变电磁测深法有一个最大探测深度。
The technique of the transient electromagnetic method and seismic reflection method were studied and applied to detect complex geological structure.
针对矿井复杂地质构造，利用瞬变电磁和反射地震方法相结合，对相应的探测技术方法进行综合研究。
As an important geophysical tool, the transient electromagnetic method (TEM) has been widely used for exploration of Cu-polymetallic sulfide deposits.
瞬变电磁法在矿产资源等勘查领域已广泛应用，成为寻找铜多金属硫化物矿床的重要方法。
A numerical method for calculating the exact all-time apparent resistivity for time domain transient electromagnetic method is proposed in this paper.
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。
The effect of transmitter turn off time in transient electromagnetic method (TEM) is discussed in many papers both at home and abroad in recent years.
为克服因关断时间校正而带来的误差，尝试直接对包含关断时间效应的瞬变电磁资料进行反演。
The field-oriented control is a powerful tool for controlling the transient electromagnetic torque of the induction motor fed by a frequency converter.
磁场定向控制是控制由变频器供电的异步电机暂态电磁转矩的有效手段。
This paper mainly reports the progression and application effect of the transient electromagnetic method used in nonferrous metallic mineral exploration.
本文重点介绍了瞬变电磁法技术在有色地质系统金属矿产勘查中的进展及应用效果。
The forward calculation method for the underground transient electromagnetic (TEM) field generated by a large loop on the ground is presented in this paper.
本文讨论了地面大回线源在地下形成瞬变电磁场的正演计算方法。
Just everyone knows, the transient electromagnetic method as a geophysical prospecting means, already used widely in every fields of geophysical exploration.
众所周知，瞬变电磁法作为一种物探手法，已被广泛应用于地球物理勘探的各个领域。
The inversion calculation method for the transient electromagnetic (TEM) field underground generated by a large loop on the ground is presented in this paper.
本文研究了地面大回线源在地下形成的瞬变电磁场的反演方法。
In recent years, Daqing Oil Field has tried the transient electromagnetic method on monitoring the corrosion of pipelines and accumulated successful experience.
近两年来，大庆油田采用瞬变电磁法对管体腐蚀检测进行了探索性试验并取得了一些成功经验。
In recent years, Daqing Oil Field has tried the transient electromagnetic method on monitoring the corrosion of pipelines and accumulated successful experience.
近两年来，大庆油田采用瞬变电磁法对管体腐蚀检测进行了探索性试验并取得了一些成功经验。
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