这也许正是根据现今应县—商河剖面上大地电磁的探测结果看不出来存在通常所说的反映“软流圈”电性特征的“上地幔高导层”的原因。
That is one of the possible reasons why there is no "high-conductive layer of the upper mantle" in the MT profile from Yingxian to Shanghe, which images the asthenosphere electrical characters.
远参考法可以提高大地电磁测深方法的适应能力,有利于解释精度的改进和工效的提高。
Remote reference method can be used to improve the applicability, the interpretation accuracy and the operation efficiency of magnetotelluric sounding method.
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.
本文以实例介绍了此法使用上的特点,并指出利用远参考法进行大地电磁测深时对仪器设备的要求。
This paper explains the special points in using this method by concrete examples, and Outlines the equipment requirement needed in making magnetotelluric sounding by the remote reference method.
在大地电磁测深法中,曲线类型的分析划分是资料解释流程中相当重要的一环。
In magnetotelluric sounding method, the analysis and partition of curve types is a very important step in the data processing.
理论和实践都表明,该反演方法比同步阵列大地电磁测深(SAMT)和连续电磁剖面法(CEMP)等MT方法的效果更佳。
The theory and the practice show that the inversion method has better results than synchronized array MT sounding (SAMT) and continuous electromagnetic profiling (CEMP).
由于大地电磁场存在区域噪声,因而,为压制干扰并获得高质量的场源数据,就需进行带远参考方式的数据采集。
The data acquisition of remote reference is used to suppress interference and acquire the high quality data due to the magnetotelluric regional noise.
实际大地电磁资料的试验表明,各种不同平均阻抗的利用和综合反演解释将有助于获得更为可靠的结果。
The test for practical MT data shows that the use of the various average impedances and the synthetic interpretation of them will help to obtain more reliable results.
张量分析在大地电磁测深法勘探中有许多重要的应用。
There are many great applications of the tensor analysis in survey with the magnetotelluric sounding method.
本文概述了为青藏科考大地电磁测深工作研制的三分量磁饱和式磁力仪的原理、性能、用途和野外使用情况。
This paper gives a brief account, of the principle, performance and usage of the three-component flux-gate magnetometer for electromagnetic deep sounding in Qinghai-Xizang plateau.
对比研究了大地电磁阻抗各单参量及其联合反演的效果。
The effects of the single parameter's and joint inversions for MT impedance are tested.
可控源音频大地电磁法为矿区提供了矿化层和构造的重要信息。
The CSAMT data provided important information about the mineralized layers and structures in the study area.
大地电磁测深法(MT)是以天然电磁场为场源研究地球内部电性结构的一种重要的地球物理手段。
Magnetotelluric (MT) sounding is an important geophysical means to study the Earth electrical structure using the natural EM field as its source.
结合野外地面地质调查成果,并通过对地震、大地电磁等地球物理资料的精细解释构建了塔里木盆地东南缘新生代断裂系统。
Combined with the field geologic investigation, and the detailed interpretation of seismic, MT and other geophysical information, the fault system has been constructed in the southeastern Tarim basin.
海底大地电磁探测要解决的首要问题是海底信号采集。
The main problem of Marine magnetotelluric prospecting is the acquisition of Marine sea bottom signal.
近期的海洋试验表明,中国的海底大地电磁探测技术已实现了实用化,可为海洋勘查提供高技术支撑。
Recent marine experiments indicate that the seafloor magnetotelluric prospecting in China have achieved utility and can offer high technology support in marine prospecting.
这一结果与由大地电磁资料计算得到的二维模型剖面是一致的。
Two-dimensional model by magnetotelluric data has been obtained and compared with the results by magnetic variation analysis.
大地电磁测深结果受表层构造横向不均匀性的影响,其视电阻率曲线会发生畸变。
The curves of apparent resistivity obtained from Magnetotelluric Sounding are greatly distorted by the lateral inhomogeneity of surficial structures.
结果表明,通过瞬变电磁方法和可控源音频大地电磁法的使用,再加以适量的钻探施工,可以实现对滑坡体快速勘探的目的。
Analytical results show that the TEM and CSAMT can be applied to prospecting landslide rapidly by a small quantity of drilling for design of engineering.
本文介绍了基于VC平台的大地电磁测深交互式解释系统的结构、特点、实现方法以及所采用的关键技术等。
This paper mainly introduced the structure, feature, adopted key technique and realized method of VC platform based MT interactive interpretation system.
相对于陆上同类测量而言,海底大地电磁探测成本高,作业难度大,且不易实施数据采集的重复观测。
Compared with continental operation, there are higher risk and expenses in detecting and more difficult in acquisition repeatedly on the marine magnetotellurics.
成功的开发了一套通用性、可使用性、健壮性、可维护性、可扩展性等都较好的大地电磁测深处理与解释软件系统。
Successfully developed a set of Two Dimensional Data Processing and Interpretion Softwere system of Magnetotelluric Sounding with features include Usability, robustness, maintainability etc.
由于海洋环境的严酷、海上作业的风险和海底信号微弱,要实现海底大地电磁信号采集面临着重重困难。
There are many difficulties in the marine magnetotelluric prospecting due to the cruel environment in the sea, the danger of working on the sea and the faint signal from the seabed.
本论文是以大地电磁测深为理论基础,深入分析国外同类仪器的数据处理过程,研究并开发了以人工场和天然场为场源的混场源数据处理软件。
The thesis based on magnetotelluric theory and analyzing the data processing of foreign same type instrument, study and design the data processing software of hybrid-source electromagnetic receiver.
在正演方面,着重分析了有限元正演方法的基本方程序,边界条件以及二维大地电磁场的有限元解法。
As to forward, emphasis is on analyzing basic equations, boundary conditions and finite-element solutions for magnetotelluric field in two dimension of finite-element forward method.
在大地电磁测深法(MT)中,天然交变电磁场是其研究的主要对象。
For magnetotelluric (MT), its main research object is natural electromagnetic fields.
其一是解释在不同飞行高度测得的时间域航空电磁法资料,从而提供大地电阻率;
The first is to interpret the time-domain airborne electromagnetic data measured at different flying altitude so that the earth resistivity will be provided.
其一是解释在不同飞行高度测得的时间域航空电磁法资料,从而提供大地电阻率;
The first is to interpret the time-domain airborne electromagnetic data measured at different flying altitude so that the earth resistivity will be provided.
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