Research on the technique of extracting seismic precursory anomaly from telluric electric field observation

地电 化学提取法 仪器 大地电场观测地震前兆异常提取技术研究

In order to know work condition of outlines of the digital telluric meter in a seismic station an apparatus to monitor the circuit breaking is designed .

为了让地震台站工作 人员 随时知道 地 电阻率仪器 外线的工作情况，研制了 外线 断线监测仪。

For this reason the paper theoretically and systematically deduced the general calculation formula of tensor impedance that is suitable for complex telluric model and gave the method for impedance elements calculated from the discrete electrical and magnetic fields that are resulted from numerical modeling .

为此，本文从理论上系统地推导了适用于复杂 地电模型的张量阻抗通用计算公式，给出了由数值模拟得到的离散电场、磁场值计算阻抗元素的方法。

This paper discusses the characteristics of the telluric currents of the area and the origin of the low-resistivity layers .

文中阐述了该区的 地电特征，对低阻层的成因进行了探讨。

The adoption of Crout decomposition method gives satisfactory result in studying by finite element method the telluric electromagnetic sounding curve taken from 2-D structure .

在用有限元法研究二维构造上 大地电磁测深曲线时，采用Crout分解法取得了满意的结果。

Seismic surveys gave a geologic picture quite different from that indicated by the telluric current .

地震勘探提供的地质图件与 大地电流的结果完全不相同。

Taking into account of telluric curvature altitude meteorologic condition atmosphere characteristic and so on the three dimensional atmospheric transmittance model of infrared transfer was set up ;

在综合考虑 地球曲率、高度、气象条件、大气特性等条件的基础上，建立了红外传输的空间大气透过率计算模型；

The building of the telluric field observation site of the Nanjing Seismic Station and the analysis of the preliminary observation data

南京地震台的 大地 电场观测场地建设及对其初步观测资料的分析

Using the uniform telluric model in combination with hydrogeologic data the authors preliminarily delineated the freshwater area transitional type water area salt water area and bitter water area as well as spring lake .

用均匀 大地模型，结合已知的水文地质资料，初步圈定了淡水区、过渡类型水区、咸水区和苦水区及泉水湖。

At the conclusion of the paper we show the procedure which should be followed in the interpretation of actual telluric electromagnetic sounding curve .

文章最后提出了解释实际 大地电磁测深曲线应该遵循的程序。

Controllable Seismic Source Plane & Telluric Vibration Model and Parameters

可控震源平板& 大地振动模型及参数研究

Lithology sounding technology of telluric electricity field is applied in geothermal exploration in Linqing city .

在临清市几个地热勘查项目工作中应用了 大地 电场岩性测深技术，主要用于 了解 深 部热储层的 含水情况， 选定地热井 井位， 取得了较为理想的结果。

This paper discusses the impedance defined equivalent resistivity in vertical magnetic dipole frequency electro-magnetic sounding for telluric horizontal multiple layer and its calculation .

本文论讨了水平多层 大地上垂直磁偶极子频率电磁测深中阻抗定义的等效电阻率及其算法。

Applications and effects of the telluric electrical-field frequency selecting method in hydrogeological and engineering geological works

地电选频法在水文地质工程地质工作中的应用与效果

In this paper the structure and function of the complex impedance system i. e. the partial telluric system which was studied in complex resistivity method are approached by using the structure-function method of system science .

本文运用系统科学中的结构-功能方法对复电阻率法中所研究的局部 大地系统&复阻抗系统的结构与功能进行了探讨。

The telluric resistivity anomaly of moderate strong earthquake has a complicated feature the length of the anomaly duration is only 60-90 days the amplitude of the anomaly is 1-2 % .

研究表明，中强地震 地电阻率异常特征非常复杂，异常的时间一般只有6090天，异常的幅度也只有1%2%。

Two dimensional topographic responses in magneto telluric sounding and its correction methods

大地 电磁测深二维地形影响及其校正方法研究

The deformation 、 rupture and friction and media polarization are one of the reasons of the telluric precursor .

岩石变形、破裂和磨擦、介质极化 生 电 可能 是 大地 电场前兆 机理之一。

In this paper the geoid anomalies of middle short wavelength of China and its adjacent region are simulated on the basis of internal earth structure and distribution of density which results from data of tomography seismic sounding and telluric electromagnetic sounding .

依据地震层析成像、地震测深和 大地电磁测深结果给出的地球内部结构和物性分布，模拟了中国及邻区岩石圈中短波 长大 地水准面起伏。

There occurs a magnetic anomaly caused by telluric current influence in a electrochemistry anomaly area relating to hydrocarbon .

与油气藏有关的电化学异常带内，能够产生一种 地电 流感 应磁异常。

The direction of the telluric field rotated .

地震 前后 大地 电场 E的方位发生转动；

In TaZhong oil field mainly with carbonate cave reservoir sounding technology of telluric electricity field plays a great role .

在以碳酸盐溶洞型储层为主的塔中式油田， 大地 电场 岩性测深技术 可能发挥较好的作用。

Development in the newest geophysical research method : the telluric

地球物理探矿研究中的新发展： 大地 电流

The paper also has discussed the problem on earthquake prediction by telluric current method based on the anomalous phenomena of earth resistivity of the 6.1 earthquake .

文中还就6.1级地震的地电异常现象讨论了 地电方法预报地震的问题。

Study on the conditions of the station location of telluric current in Gansu Province

甘肃省 地电台址条件研究

The application of adaptive self noise canceller on telluric data process

自适应噪声消除器在 地 电场 观测数据处理中的应用

Based on the comparative analysis and study on 10 profiles of telluric electromagnetic sounding ( MT ) and regional gravimetric magnetic data and Moho surface the deep geological tectonic pattern of the central southern Jiangxi is discussed in this paper .

通过对江西省10条 大地电磁测深（MT）剖面研究成果和区域重磁、莫霍面对比分析研究，讨论了赣中南地区深部地质构造格架。

After the 1966 xingtai earthquake of M7.2 a large number of permanent and mobile stations for the observations of telluric current and magnetism has been successively set up in China .

1966年邢台7.2级地震以后，我国陆续建立了大量的 地电、地磁观测台和流动观测网。

It expands the application scope of magneto telluric technology and has good application value to coal exploration and geological disaster in coal mine .

拓展了 大地 电磁 测深技术的应用范围，对煤矿探测及地质灾害的 预防具有较好的实际应用价值。

We have lived too long in the telluric cavern .

我们在 地洞里住得太久了。