The apparent resistivity parameters in direct current IP method and the secondary electric field sampling 直流激发极化法中的视电阻率参数及二次场采样
The apparent resistivity mapping of the helicopter frequency domain EM system in magnetic area has been a problem of long controversy. 直升机频率域电磁系统在磁性地区的视电阻率填图,长期存在争议。
When the Cole-Cole model is used to express IP effect, the apparent resistivity of the horizontal electrical dipole under the three-layer where the middle layer is polarized is calculated. 利用柯尔-柯尔模型表示了激电效应,对三层介质上中间层为极化层的水平电偶源阻抗视电阻率进行了理论计算。
Using the boundary element method ( BEM) to solve the BIE, one can get the voltage distribution on and under the ground and calculate the apparent resistivity. 用边界单元法求解该方程可以得出空间电位分布,从而进行视电阻率模拟。
Response characteristics of apparent resistivity of anisotropic laminar formation in direct current electric sounding 直流电测深中各向异性层状地层的视电阻率响应特征
The all-time apparent resistivity bisearch numerical algorithm based on long offset transient electromagnetic method 长偏移距瞬变电磁法全区视电阻率的二分搜索数值算法
Apparent resistivity, induced polarization, high-precision magnetometry and γ-energy spectrometry are all effective geophysical methods for gold exploration in the Xiaoshiren gold deposit. 在小石人金矿勘查中,视电阻率法、激发极化法、高精度磁测法和伽马能谱法均为有效的地球物理探测方法。
The location of the crack can be found by the change of the apparent resistivity, based on four-probe electrical resistivity measuring technique. 基于四探针电阻率测量技术,依据试验测得的混凝土表观电阻率变化确定裂缝位置。
This method includes, first, obtaining the soil model via analyzing the on-site apparent resistivity; 主要内容包括:现场视在接地电阻率测量,得到土壤结构模型;
The equation of the large rectangular loop source cloud expresses induced electromotive force at any field points accurately, the apparent resistivity derived from that is not subject to edge effects; 大定源回线公式可以准确地表示任意场点的感应电动势,由此导出视电阻率无边缘效应影响;
Practice proved the combined apparent resistivity and induced polarization method to find underground water was very successful. 实践证明,利用视电阻率法和激发极化法相结合的方法找寻地下水是非常成功的。
In this paper, the numerical methods for improving the simulation accuracy of very late time response in Long Offset TEM ( LOTEM) sounding and its all time apparent resistivity have been introduced. 文中讨论了提高长偏移距瞬变电磁测深甚晚期响应计算精度及相应的全区视电阻率的计算方法。
Computation of whole-time zone apparent resistivity from linear source time domain soundings 线源时间域电测深全期全区视电阻率求解
Algorithm for the All-Time Apparent Resistivity of LOTEM Method Stagnation Point Offset of Two Asymmetric Nozzle Opposed Jets with Large Nozzle Separation Distance 均匀半空间长偏移距TEM法全区视电阻率的数值计算方法大间距两不对称喷嘴对置撞击流驻点偏移规律
Correlation character between apparent resistivity and physical mechanic index of ground soil in Tianjing area 天津地区视电阻率与地基土物理力学指标之间的相关特征
The calculation of the all time apparent resistivity with horizontal electric field component in the bipolar source 双极源水平电场分量全区视电阻率的计算
Frequency-dc voltage converter apparent resistivity conversion and application of the impulse helicopter electromagnetic system 频率-直流电压变换器频率域直升机航空电磁法视电阻率转换及应用
So rock resistivity dispersion has a bearing on the variation of the parameters of Archie equation. Algorithm for the All-Time Apparent Resistivity of LOTEM Method 因此,岩石电阻率频散性影响着阿尔奇参数的变化。均匀半空间长偏移距TEM法全区视电阻率的数值计算方法
Parameters of apparent resistivity, impedance phase, and anomaly phase can be acquired. 可提供视电阻率、阻抗相位、异常相位等地电学参数。
Amplitude and anisotropy of apparent resistivity change in big models during shear and frictional slipping 剪切和摩擦滑动大模型的视电阻率变化幅度和各向异性
The method is used for processing the apparent resistivity of magnetotelluric measured depth, and better result is achieved. 使用该方法对大地电磁测深视电阻率进行了处理,应用效果良好。
Then the whole time apparent resistivity is defined based on normalized vertical magnetic field. 给出了基于垂直磁场的全区视电阻率定义;
However, the apparent resistivity curve shows obvious oscillation and can hardly reflect thin interbed in geoelectric section. 此种定义的视电阻率曲线不仅有明显的振荡性,而且对地电剖面的中间薄层反映很不明显。
Based on the computed factors and exponents, the algorithm of the full time domain apparent resistivity is established. 根据求出的多项式指数和系数,建立全时域时间谱视电阻率的算法。
Two fundamental concepts& detective depth and detective range mostly used in apparent resistivity method have been studied theoretically. 本文对地电阻率法中两个常用的基本概念&勘探深度和探测范围进行了理论探讨和计算,分析了电法勘探中关于这两个概念的若干问题和不足。
The influence of unplace wave effects has been corrected by Whole Region Apparent Resistivity; 用全区视电阻率定义的方法校正了非平面波效应影响;
Apparent resistivity defined by Cagniard is widely used in MT method. 在MT方法中,广泛使用Cagniard定义的视电阻率。
According to various definitions of apparent resistivity sensitivity to noise and underground media, it was suggested that the apparent resistivity integrated interpretation method, the inversion results, it increases the constraint only limited understanding. 根据在各种定义中,视电阻率对噪声和地下介质的敏感性不同,有人提出了视电阻率综合解释方法,它增加的条件约束了反演结果,限定了解的唯一性。
Valve value to the spacing of non-equidistant difference has impact to the apparent resistivity. 不等距差分格式中网格间距阀门值对地表电位和视电阻率的影响。
The simulation results prove that the non-uniform bodies underground can bring on anisotropy changes in the apparent resistivity. 模拟结果验证了地下不均匀体确实可导致视电阻率各向异性变化。