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- STUDY ON THE TRANSIENT ELECTROMAGNETIC(TEM) SOUNDING WITHELECTRIC DIPOLE. 电偶源瞬变电磁测深研究(三)
- Transient electromagnetic transmitter is a part of transient electromagnetic system. 瞬变电磁发射机是瞬变电磁系统的组成部分。
- The authors deal theoretically with the advantages of applying HTc RF SQUID Magnetometer in Transient Electromagnetic method(TEM). 在河北固安以高温超导磁强计做探头和使用传统感应线圈做探头在瞬变电磁法 (TEM)上进行了野外对比试验。
- Abstract: Transient electromagnetic sounding is a prospecting method for accurate exploration developing rapidly recent years. 文摘:瞬变电磁测深是近年来发展较快的电磁勘探方法,是实现精确勘探的一个突破点。
- We can see the result from actual data: this method are resultful in wiping off the noises of transient electromagnetic signal. 实际资料处理结果表明:该方法对去除瞬变电磁晚期信号的噪声干扰有很好的效果。
- 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。
- Zhang Xiao Lu, Wang Zhong.Experiment with transient electromagnetic sounding in Fushan depression in Hainan Province[J].OGP, 1997, 32(6): 878 - 883. [2]张小路;王钟.;瞬变电磁测深在海南福山凹陷的实验研究[J]
- 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。
- In order to improve the vertical resolution of the transient electromagnetic method(TEM),we make a study of the interpretation system of TEM tomography. 为了提高瞬变电磁测深法对地探测的垂向分辨能力;文中研究了磁偶源瞬变电磁法快速成像的方法.
- The transient electromagnetic thchniques can be used to determine the key region for grouting reconstruction, guiding the drill hole layout and detect the grouting effect. 利用瞬变电磁技术探测煤层底板含水层的赋水性特征,确定工作面内注浆改造重点区域,指导钻孔布置,并在底板改造后检验注浆改造效果。
- Solution of Direct and Inverse Problems in Transient Electromagnetic Sounding[A]Abstracts of International Symposium on Computer Applications in Geoscience[C], 1991 . 方文藻;李予国;李貅.;瞬变电磁测深法的正反演[A]计算机在地学中的应用国际讨论会论文摘要集[C];1991
- Sector detection technology was used to enhance the explanation accuracy of mine transient electromagnetic method in advanced detection instead of conventional survey. 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。
- In order to resolve the problem of severely lack of water resource in Neimenggu, the TEM (Transient electromagnetic method) is applied in water prospecting. 摘要为解决内蒙古白旗地区水资源严重短缺的问题,采用瞬变电磁技术进行水资源勘察。
- Underground whole-space transient electromagnetic (UWTEM) method was tested at the driving face of a drift in a coal mine for detecting water-bearing zones ahead of tunneling. 根据初探结果,采用不共面同轴偶极观测方式时,UWTEM在巷道掘进头前方的有效探测范围约为70m,巷道每掘进50m进行一次跟踪探测。
- This paper analyses and discusses the causes, features and protection of transient electromagnetic interference which is produced by switch operations in substation. 分析并讨论了变电站开关操作对二次回路产生暂态电磁干扰的原因、特点及其防护措施。
- The techniques adopted include magnetic method, gravity, transient electromagnetic method, frequency domain electromagnetic method, direct current method and seismic method. 其中包括磁法,重力,瞬变电磁法,频率域电磁法,直流电法和地震法等。
- LI Qingquan,LI Yanming,NIU Yamin.The transient electromagnetic fields caused by the operation of disconnector.High Voltage Engineering,2001,27(4):35-37. [5]李清泉;李彦明;牛亚民.;变电站开关操作引起的瞬变电磁场及其防护
- Through 3 case studies,the paper introduced the PROTEM 67D transient electromagnetic system geological results when used in coal seam floor water abu ndant zone,water conducted zone and abandoned mine water prospecting. 通过矿区勘探的三个典型实例,介绍了PROTEM67D瞬变电磁系统在探测煤层底板富水区、导水通道老窑积水等方面的应用及取得的地质效果。
- By transient electromagnetic(TEM)and induced polarization(IP)methods with rational exploration line and network,a lot of geophysical assemblage anomalies have been discovered and repeatedly confirmed. 采用瞬变电磁法 (TEM)和激电法 (IP) ,合理布线展网 ,反复印证 ,得到多个物探组合异常。
- According to mine inflow point location and water yield,water rich zone in front of roadway checked out by transient electromagnetic method adopted a water control scheme of shallow g... 基于涌水点位置与出水量,以及瞬变电磁法确定的巷道前方富水区域情况,确定了采用浅层注浆法封堵的治水方案。