在电磁能量的返回方式，测量对象与探测结果的表示形式方面，与典型大地电磁法进行了比较。
Ther are some differences in the returnable behaviour of electromagnetic energy, the measuring objectivs and the expression of the detecting results when compared with the MT method.
瞬变电磁法作为一种快速、高效、方便的探测方法，可以很好的满足矿井巷道超前预测、预报的要求。
TEM has the advantage of expedition, great efficiency, convenience, which is an effective way for the request of mine roadway leading prospecting.
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.
在煤矿深部高压水害隐患探测中，井下电磁法发挥着独到的作用。
In the detection of deep high-pressure water hazard of coal mine, down-hole electromagnetic method plays a unique role.
利用瞬变电磁法在煤矿井下独头巷道开展了超前探测含水构造的试验研究。
It is researched that the bore-hole transient electromagnetic method is applied to detect the water-bearing structures in advanced face of underground coal mines.
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.
为了查清该地下灌排系统的存在及其构造，采用地球物理电磁法进行了探测。
In order to identify out the existence of the system and its structure, the geophysical electromagnetic technique is applied to detect and position the underground system.
但是作为一种重要探测工具，瞬变电磁仪的许多关键技术还没有解决，限制了瞬变电磁勘探法在工程勘探领域的应用。
As an important detecting tool, there are many key technology to be solved, so TEM soundings is limited in the shallow geologic structure exploration.
用扇形探测技术代替了常规的测量方法以提高矿井瞬变电磁法超前探测资料的解释精度。
Sector detection technology was used to enhance the explanation accuracy of mine transient electromagnetic method in advanced detection instead of conventional survey.
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.
针对地下管道的不同情况，详细介绍了各种电磁法的探测方法和具体应用。
The different electromagnetic detection methods and their applications are given according to the category of buried pipelines.
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.
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.
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.
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.
近年来海洋可控源电磁法(CSEM)在海底探测中的应用成为国际上研究的热点。
Recently, the application of controlled-source electromagnetic method (CSEM) to seafloor detection has become the study hotspot overseas.
为了查清该地下灌排系统的存在及其构造，采用地球物理电磁法进行了探测。
It is introduced in this paper employing electromagnetic technique to detect and to locate leakage in cofferdams of a hydropower station construction recently.
可控源音频大地电磁法(CSAMT法)是一种直接探测地下岩性及矿产的电磁测深新技术。
Controlled source acoustic magnetotelluric (CSAMT) is a new technique in electrical surveys, used in ore deposits exploration.
本文介绍了应用三维地震及电磁法探测采空区边界及含水性的技术方法与地质效果。
The method for the exploration of the mined-out areas by using 3D seismic and electromagnetic laws and its effect are introduced.
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.
瞬变电磁法在江西煤矿采空区探测中取得了显著的效果，在江西煤矿的水文地质探测中发挥了积极作用。
TEM has achieved remarkable effect in goaf exploration and made great contribution to the hydro-geophysical exploration in collieries of Jiangxi Province.
简要分析了瞬变电磁法探测时的干扰类型，对于噪音在曲线上的表象特征进行了分析。
The type of disturbance during TEM detection and the attributes of noise on curves were analyzed.
简要分析了瞬变电磁法探测时的干扰类型，对于噪音在曲线上的表象特征进行了分析。
The type of disturbance during TEM detection and the attributes of noise on curves were analyzed.
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