地电

与断裂活动有关的一种地电临震异常

A anomalous pattern of terrestrial electricity related to fracture activity before an earthquake

由于其装置选择随着地异差异多样，具有提供的物性参数多、反映地电信息极其丰富。

Because its installment choice is diverse along with the different place , it provides a number of physical parameters and reflects the terrestrial electricity information is extremely rich .

利用ANSYS数值模拟河水涨落对地电观测的影响

Using ANSYS Numerically Simulating the Influence of River Water Fluctuating on Geoelectric Observation

基于UWB源的二维地电模型FDTD正演模拟

The FDTD forward modeling of two dimension geoelectricity based on UWB signal

对二层和三层地电模型的理论分析和数值计算表明，伪脉冲响应的u变换理论的正确性。

Analytical solution for the two-layered earth model show the theory of the U-transform of the pseudo-impulse holds .

RS-485总线在地电数据采集系统中的使用

Application of RS-485 Bus in Earth Potential Data Acquisition System

二维地电模型多参数反演方法及其在MT测深中的应用

Multi-parameter inversion method of two - dimension geoelectric model and it 's application to MT sounding method

地电自动测量系统ATS的硬件和软件

The software and hardware of resistivity auto test system

针对目前探测技术的现状，对现行的几种主要探测技术及其性能特点进行了比较分析，这些技术包括渗流监测技术、地电勘探技术以及CT技术。

In this paper , the existing three main detecting techniques and their principal features are summarized . These detecting techniques include seepage detection , geo electrical prospecting method and computerized tomography ( CT ) .

文中研究的3D地电介质时间域电磁场的有限差分计算方法，激发源为水平电偶极子，并且向地下供以交变电流。

Finite difference method for electromagnetic field in time domain of 3 D geoelectric medium researched in this paper puts excited source as a horizontal dipole and transmits the alternating current down the surface .

论述了由瞬变电磁法（TEM）测得的异常绘制深度视电阻率断面图和等标高视电阻率平面图并建立地下三维地电空间的TEM图示新方法。

A new TEM illustration method is introduced to establish underground 3-D geoelectricity space from depth apparent resistivity section diagram and iso-elevation apparent resistivity plan mapped with the TEM anomaly .

TM模式的横向分辨能力高于TE模式，水平地形下的复杂地电结构的视电阻率断面图的等值线地形并不是真实构造的反映。

The horizontal resolution of TM mode is higher than TE mode and the shape of isoline about apparent resistivity section is not a true reflection of structure .

采用时域有限差分法，利用Matlab语言编程，对几个有代表性的地电模型在时域内进行了无线电波透视正演模拟，获得了时域响应波形及场强的空间分布。

Several of representative models were carried the forward simulation of the radio wave penetration through the finite-difference time-domain method with the Matlab language and the time-domain response waveform and field intensity spacial distribution were obtained .

将地震偏移中的PSPI方法引入MT相位移偏移以适应更复杂的地电断面；

We also use the PSPI method in seismic migration to make it suitable in more complex geoelectric section .

数字地电数据综合服务软件（GDMS）设计与实现

Design and implement of synthesis service software on digital geoelectricity datum

基于MATLAB软件平台，编制了考虑衰减的探地雷达正演模拟程序，利用该程序对多个典型地电模型进行了模拟计算，得到了正演模拟剖面图与波场快照。

A GPR forward simulation program considered attenuation is prepared based on MATLAB software platform . By using this program a number of typical geoelectric model was simulated and forward simulation profile and snapshot of wave field were obtained .

翁文灏在矿床地质学上的卓越贡献纪念翁文灏先生诞辰100周年地电自动测量系统国产化（CATS）研究

Outstanding Contributions Made by Professor Weng Wenhao in the Field of Mineral Deposits & 100th Anniversary of Professor Weng Wenhao 's Birth STUDYING THE AUTOMATIC INSTRUMENTATION SYSTEM ( C-TAS , WHICH MADE IN CHINA ) IN GEOELECTRICITY

采用有限连续函数集描述二维和三维地电模型，可将MT二维和三维连续介质反演问题转变为泛函的变分问题。

The inversion problem of 2-D and 3-D magnetotelluric data in continuous medium can be changed into fonctionelle variational problem by using finite continuous function family to describe 2-D and 3-D geoelectric models .

拿一把刀，准备一节AA电池，然后把正极贴着刀片，这样电流就开始流通了，然后拿起你的刀，轻轻地电……

You wanna take your knife and get a double A battery , and touch the positive end to the knife to get the electricity flowing , you just wanna come up and touch ...

在对三维点电源二维地电体电位场模型有限元法正演计算的基础上，建立了基于SQP方法的高密度电阻率成像法反演算法。

Based on the forward calculation of electrical potential for three-dimensional point source and two-dimensional earth with finite element method , an inversion algorithm was built with SQP method .

应用岩石加载实验中电阻率变化和DD模式解释了民乐&山丹地震前山丹地电的异常变化过程；

It is thought that using the loading experiment result of rock and the DD model can explain the change processes of the resistivity anomalies observed at Shandan station before the Minle-Shandan earthquakes ;

该模型基于功率注入法，考虑了所在线路的对地电纳，且直观、简单、通用，适用于UPFC的多种运行方式。

The model , which is visual , simple , universal and applicable to serious operation modes of UPFC , is based on power injection method and considering the admittance to ground .

利用天然电磁波研制的DTY型地电探测仪，多年来一直在地面探查煤层厚度和附近小构造。

The DTY type natural electromagnetic wave detector has been usually applied to operation on ground level to probe the thickness of coal beds and surrounding minor structures .

WIAS水源地电水综合自动化系统

WIAS Substation Water Source Complex Automation System

节能电火花加工脉冲电源采用开关稳流电路和PWM电流闭环控制技术，达到脉冲电源输出放电电流在放电加工各个阶段动态调节的性能要求，实现稳定高效地电火花放电加工。

Energy-saving EDM ( electrical discharge machining ) pulse generators , with switch circuits and PWM current closed control , adjust their output current during EDM phases . The Experiments results demonstrated that they are capable of high efficiency , high speed , stable machining .

对西安地电台周围环境噪声干扰进行了实验研究，结果表明，环境噪声的衰减是很快的，地电测区避开企事业单位200m，环境噪声电平即可衰减1个数量级。

The results of comparative observation experiment at Xi'an geoelectric station show that the decay of ambient noise is very quick . If the distance of geoelectric measurement zone from the interference sources is 200 m , the noise level will be reduced by one order of magnitude .

根据Seigel的理论中地下介质视极化率响应与偏导数矩阵之间的关系得到的三维地电断面视极化率正演模拟结果，与等效电阻率法相比，计算速度提高了近一倍。

Based on Seigel 's theory , using the relation between apparent induced polarization responses and the partial derivatives to get the result of numerical modeling IP values on 3-D section , compared with equivalent resistivity method , it takes more little time .

研究结果表明：倾子异常主要反映了地电构造的水平非均匀性；

Tipper anomaly mainly reflects the horizontal nonuniformity of geoelectric structure .

地电阻率正常变化的初步研究

Preliminary study of the normal changes of earth 's electrical resistivity

三维地电断面激发极化法有限元数值模拟

Finite element method for modeling resistivity sounding on 3-D geoelectric section