介绍瞬变电磁仪的原理及实现方法。
这一方法可用于瞬变电磁成像数值计算中。
This method can be used in the numerical calculation of Transient Electromagnetic Method imaging.
文摘：介绍瞬变电磁仪的原理及实现方法。
Abstract: The principle of TEM and realized method is introduced.
瞬变电磁法的观测结果受多种因素的影响。
The TEM observation voltage is influenced by various factors.
瞬变电磁法是目前寻找水源的最好方法之一。
Transient electromagnetic methods is one of thebest means to find water currently.
三维地质体的正演是瞬变电磁法研究的一个热点。
Three dimensional geologic body forward is a highlight of TEM study.
与此同时，对瞬变电磁法技术的要求也越来越高。
In the meanwhile, the technical requirement to the TEM is higher and higher.
瞬变电磁法是目前工程勘察中应用较广的物探工作方法。
Large loop TEMS is one method, used widely in engineering prospecting.
在磨刀门海域，应用瞬变电磁测深法，船上作业，航行观测。
In the Modaomen sea area, the application of the TEM sounding.
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。
The practice proved that transient electromagnetic exploration has good effect in exploring bedrock and differentiating rock strata.
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。
The transient electromagnetic method has a stronger adaptability to the surface of construction area, with a higher effectivity.
采空区地层有其独特的地电特征，可以利用瞬变电磁法进行探测。
Coal mine gob has its unique geo-electrical identity, so it can be detected using TEM.
与其它电探方法相比，利用瞬变电磁法进行地下水勘查具有明显优势。
The applications effect of Groundwater exploration by using TEM is better than other electric prospecting methods.
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。
Transient electromagnetic method increasingly has been applied in the fields of engineering, hydrology and metallic mineral exploration.
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。
However, as the survey precision required improvement in the transient electromagnetic methods presented new research on technology issues.
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 composition, work theory, fieldwork method and exploration effect of pulse transient electromagnetic system are introduced.
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 transient electromagnetic method has a maximum depth because of continuous attenuation by transmission of electromagnetic signal in underground.
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。
To realize TEM imaging is a good way of improving the transient electromagnetic method prospecting precision.
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.
与此同时，该方法的实现也为瞬变电磁自动反演中初始模型的构制奠定了基础。
At the same time, the method has also laid the foundations of initial model definition in TEM automatic inversion.
全空间电磁场扩散速度计算的准确性，直接影响矿井瞬变电磁法探测结果的精度。
The calculation accuracy of diffusion speed in whole-space electromagnetic field affects directly the interpretative precision of TEM survey in underground coal mines.
瞬变电磁测深的偏移成像方法技术的研究，是目前在该领域研究的焦点和前沿课题。
The study about migration imaging method in electromagnetic sounding is the focus and the advanced subject in the field.
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 (TEM) has special advantage and evident result as an approach for detection of water-accumulating gob.
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。
A record system of transmitted current used in All-time Transient Electromagnetic system transmitter is implemented in this thesis.
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。
This paper mainly reports the progression and application effect of the transient electromagnetic method used in nonferrous metallic mineral exploration.
实践证明，瞬变电磁法是探测金属矿体、小窑采空区等地质异常体的一种有效手段。
Practices demonstrate that the method is an effective means to detect geologic anomaly bodies of metal ore body and small mine gob area.
对照工程施工剖面，推断的灰岩界面与其基本对应，验证了瞬变电磁工作的推断结果。
Compared with actual engineering profile, inferred boundary of underlying limestone is roughly corresponding to real one, and inferred results of transient electromagnetic method are verified.
在准噶尔盆地腹部应用中心回线瞬变电磁测深法进行了沙漠地带表层结构调查的试验。
A test for desert shallow geologic structural investigation is conducted on the control area of Jungar Basin by using central-loop TEM.
瞬变电磁法对低阻充水断层、充泥充水溶洞、充水充泥破碎带等不良地质体反映灵敏。
The new method is sensitive to the unfavorable geologic bodies filled with water or mud such as faults, caves and zones of rock fracture.
瞬变电磁法对低阻充水断层、充泥充水溶洞、充水充泥破碎带等不良地质体反映灵敏。
The new method is sensitive to the unfavorable geologic bodies filled with water or mud such as faults, caves and zones of rock fracture.
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