Suchergebnisse - Induced polarization inversion algorithm

Multi-borehole three-dimensional induced polarization tomography method for tunnel water hazards ahead prospecting von 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 …”
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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 von 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 …”
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Enhanced Whale Optimization Algorithm for Improved Transient Electromagnetic Inversion in the Presence of Induced Polarization Effects von 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 …”
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Two-dimensional inversion of spectral induced polarization data using MPI parallel algorithm in data space von 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 …”
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An improved TSVD-GCV inversion algorithm of pore size distribution in time-domain induced polarization using migration Hankel matrix von 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 …”
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Nonlinear inversion algorithm of geological forecast in induced polarization method von 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 …”
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Sequential and Simultaneous Joint Inversion of Resistivity and IP Sounding Data Using Particle Swarm Optimization von 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 …”
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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 von 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 …”
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1D Cole-Cole inversion of TEM transients influenced by induced polarization von Seidel, Marc, Tezkan, Bülent

“… Effects of induced polarization (IP) can have an impact on time-domain electromagnetic measurements (TEM …”
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Adaptive Differential Evolution Algorithm for Induced Polarization Parameters in Frequency-Domain Controlled-Source Electromagnetic Data von 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 …”
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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 von Verma, Vishnu Kant, Singh, Shalini, Singh, Anand

“… We present the result of joint inversion of direct current resistivity and induced polarization data …”
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An improved grey wolf optimizer algorithm for the inversion of geoelectrical data von 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 …”
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Time-Domain Induced Polarization—An Analysis of Cole–Cole Parameter Resolution and Correlation Using Markov Chain Monte Carlo Inversion von Madsen, Line Meldgaard, Fiandaca, Gianluca, Auken, Esben, Christiansen, Anders Vest

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A novel method based on improved SFLA for IP information extraction from TEM signals von 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 …”
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2-D Magnetotelluric Multiparameter Joint Inversion Considering the Induced Polarization Effect von 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 …”
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Full‐waveform inversion of complex resistivity IP spectra: Sensitivity analysis and inversion tests using local and global optimization strategies on synthetic datasets von Vinciguerra, Alessandro, Aleardi, Mattia, Costantini, Paolo

“… ABSTRACT We implement two different inversion strategies for solving the full‐waveform inversion of spectral induced polarization data …”
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Recovering induced polarization effects from 1-D coupled inversion of transient electromagnetic data von 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 …”
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Research on 1-D forward modeling and inversion of TEM Considering induced polarization effects von 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 …”
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Resolving spectral information from time domain induced polarization data through 2-D inversion von 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 …”
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3-D Joint Inversion of DC Resistivity and Time-Domain Induced Polarization With Structural Constraints in Undulating Topography von 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 …”
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