Výsledky vyhledávání - Induced polarization inversion algorithm

Multi-borehole three-dimensional induced polarization tomography method for tunnel water hazards ahead prospecting Autor Zhang, Yongheng, Liu, Zhengyu, Bai, Peng, Liu, Bin, Liu, Benchao, Cai, Yumei, Pang, Yonghao

“… As a result, more precise detection of water hazards in front of the tunnel is required. Accordingly, a multi-borehole three-dimensional induced polarization (IP…”
Získat plný text

3-D time-domain spectral inversion of resistivity and full-decay induced polarization data—full solution of Poisson's equation and modelling of the current waveform Autor Madsen, Line Meldgaard, Fiandaca, Gianluca, Auken, Esben

“…SUMMARY We present a new algorithm for 3-D forward modelling and spectral inversion of resistivity and time-domain full-decay induced polarization (IP) data…”
Získat plný text

Enhanced Whale Optimization Algorithm for Improved Transient Electromagnetic Inversion in the Presence of Induced Polarization Effects Autor Li, Ruiheng, Di, Yi, Zuo, Qiankun, Tian, Hao, Gan, Lu

“… However, the induced polarization (IP) will increase the nonlinearity of TEM inversion, and it is difficult to predict the geoelectric structure from TEM response signals in conventional gradient inversion…”
Získat plný text

Two-dimensional inversion of spectral induced polarization data using MPI parallel algorithm in data space Autor Zhang, Zhi-Yong, Tan, Han-Dong, Wang, Kun-Peng, Lin, Chang-Hong, Zhang, Bin, Xie, Mao-Bi

“…Traditional two-dimensional (2D) complex resistivity forward modeling is based on Poisson’s equation but spectral induced polarization (SIP…”
Získat plný text

An improved TSVD-GCV inversion algorithm of pore size distribution in time-domain induced polarization using migration Hankel matrix Autor Zhou, Kaibo, Zhang, Shuo, Huang, Zhen, Zhang, Jianyu

“…Reservoir porosity obtained from time-domain induced polarization (TDIP) well logging plays a vital role in estimating the hydraulic properties and obtain the reservoir parameters in a water-flood oil-field…”
Získat plný text

Nonlinear inversion algorithm of geological forecast in induced polarization method Autor Yao, Li, Chen, Feng-chao

“…The linear inversion of hydro-geological prospecting relies on the initial model deeply and its accuracy is poor, so the paper applies the hybrid algorithm of ant colony algorithm (ACO…”
Získat plný text

Sequential and Simultaneous Joint Inversion of Resistivity and IP Sounding Data Using Particle Swarm Optimization Autor Cui, Yi’an, Chen, Zhixue, Zhu, Xiaoxiong, Liu, Haifei, Liu, Jianxin

“…- sistivity and induced polarization data by using particle swarm optimization technique. Based on the computational formula of induced polarization, the inversion…”
Získat plný text

Methods and algorithms for reconstructing three-dimensional distributions of electric conductivity and polarization in the medium by finite-element 3D modeling using the data of electromagnetic sounding Autor Persova, M. G., Soloveichik, Yu. G., Trigubovich, G. M., Tokareva, M. G.

“…The methods and algorithms for automated three-dimensional (3D) inversion of the induced polarization and time-domain electromagnetic data by 3D finite-element modeling are considered…”
Získat plný text

1D Cole-Cole inversion of TEM transients influenced by induced polarization Autor Seidel, Marc, Tezkan, Bülent

“…Effects of induced polarization (IP) can have an impact on time-domain electromagnetic measurements (TEM…”
Získat plný text

Adaptive Differential Evolution Algorithm for Induced Polarization Parameters in Frequency-Domain Controlled-Source Electromagnetic Data Autor Zhou, Lei, Cheng, Tianjun, Yao, Min, Cheng, Jianzhong, Xie, Xingbing, Mao, Yurong, Yan, Liangjun

“… In this study, we replaced real resistivity with the Cole–Cole complex resistivity model in a forward simulation of the CSEM to obtain electric field responses that included both induced polarization and electromagnetic effects…”
Získat plný text

Extraction of High Chargeability Distribution using Joint Inversion of Direct Current Resistivity and Time Domain Induced Polarization Data: A Development and Test Results on Uranium Bearing Target Rock Autor Verma, Vishnu Kant, Singh, Shalini, Singh, Anand

“… We present the result of joint inversion of direct current resistivity and induced polarization data…”
Získat plný text

An improved grey wolf optimizer algorithm for the inversion of geoelectrical data Autor Li, Si-Yu, Wang, Shu-Ming, Wang, Peng-Fei, Su, Xiao-Lu, Zhang, Xin-Song, Dong, Zhi-Hui

“…), DC resistivity and induced polarization (IP) methods. Numerical tests in MATLAB 2010b for the forward modeling data and the observed data show that the IGWO algorithm can find the global minimum and rarely sinks to the local minima…”
Získat plný text

Time-Domain Induced Polarization—An Analysis of Cole–Cole Parameter Resolution and Correlation Using Markov Chain Monte Carlo Inversion Autor Madsen, Line Meldgaard, Fiandaca, Gianluca, Auken, Esben, Christiansen, Anders Vest

Získat plný text

A novel method based on improved SFLA for IP information extraction from TEM signals Autor Li, Ruiyou, Li, Ruiheng, Li, Guang, Zhang, Yong, Ding, Xiaohui, Zhang, Long

“…Extracting induced polarization (IP) information from transient electromagnetic (TEM) signals is crucial for the exploration of deep mineral, oil, and gas resources…”
Získat plný text

2-D Magnetotelluric Multiparameter Joint Inversion Considering the Induced Polarization Effect Autor Li, Gen, Li, Tonglin, Zhang, Rongzhe

“… However, traditional MT modeling approaches can only invert the resistivity parameters of geological bodies, while natural geological bodies also exhibit the induced polarization (IP) effect…”
Získat plný text

Full‐waveform inversion of complex resistivity IP spectra: Sensitivity analysis and inversion tests using local and global optimization strategies on synthetic datasets Autor Vinciguerra, Alessandro, Aleardi, Mattia, Costantini, Paolo

“…ABSTRACT We implement two different inversion strategies for solving the full‐waveform inversion of spectral induced polarization data…”
Získat plný text

Recovering induced polarization effects from 1-D coupled inversion of transient electromagnetic data Autor Sharifi, Fereydoun, Tezkan, Bülent, Ibraheem, Ismael M, Bergers, Rainer, Yogeshwar, Pritam

“…SUMMARY Induced polarization (IP) effects can significantly affect and superimpose the inductive earth response, leading to heavily distorted data and, if overlooked, false geological interpretation…”
Získat plný text

Research on 1-D forward modeling and inversion of TEM Considering induced polarization effects Autor Yuan, Zhanbo, Wu, Muyang, Fu, Nengyi, Xu, Zhengyu, Fu, Zhihong

“… TEM forward modeling and inversion sometimes neglect the subsurface medium's induced polarization (IP) effects…”
Získat plný text

Resolving spectral information from time domain induced polarization data through 2-D inversion Autor Fiandaca, Gianluca, Ramm, James, Binley, Andrew, Gazoty, Aurélie, Christiansen, Anders Vest, Auken, Esben

“…Field-based time domain (TD) induced polarization (IP) surveys are usually modelled by taking into account only the integral chargeability, thus disregarding spectral content…”
Získat plný text

3-D Joint Inversion of DC Resistivity and Time-Domain Induced Polarization With Structural Constraints in Undulating Topography Autor Yang, Hetian, Li, Tonglin, Zhang, Rongzhe, Dong, Xintong, Zhuang, Yan

“… inversion for highly polarizable anomalies, and the nonuniqueness of separate resistivity and time-domain-induced polarization (TDIP…”
Získat plný text