Geostatistical joint inversion of frequency-domain electromagnetic data and direct current resistivity data for near-surface modelling
Sign Up to like & getrecommendations! Published in 2025 at "Scientific Reports"
DOI: 10.1038/s41598-025-19962-z
Abstract: Geophysical methods, such as electrical resistivity tomography (ERT) and frequency-domain electromagnetic (FDEM) induction, have been widely used for imaging and modelling the first meters of the Earth, in fields like agriculture, urban development, resources exploration.… read more here.
Keywords: domain electromagnetic; frequency domain; inversion; near surface ... See more keywords
Time–Domain Electromagnetic Identification Based on Rectangular Grooves
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3208172
Abstract: Unique identification of goods and products is an integral part of today’s automated world. Conventional optical systems cannot be operated in environments of poor visibility. The radio–frequency identification systems require expensive development, production, and installation… read more here.
Keywords: system; identification; electromagnetic identification; domain electromagnetic ... See more keywords
QS-FDTD Modeling of Dispersive Superparamagnetic Soils for Time-Domain Electromagnetic Method
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2025.3561498
Abstract: Time-domain electromagnetic (TDEM) method is extensively utilized in geophysical surveys for detection of groundwater and mineral deposits. However, the dispersive effect of superparamagnetic (SPM) soils significantly impacts performance of these systems. In modeling of the… read more here.
Keywords: method; time; domain electromagnetic; spm soils ... See more keywords
Physics-Informed Deep Model for Fast Time-Domain Electromagnetic Simulation and Inversion
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2024.3433389
Abstract: Deep neural networks based on physical information are expected to be effective alternatives to numerical electromagnetic solvers because they can efficiently solve Maxwell’s equations and obtain the nonlinear physical relationship between the device geometry and… read more here.
Keywords: time; domain electromagnetic; time domain; model ... See more keywords
Performance Bounds for Target Parameter Estimation From Frequency-Domain Electromagnetic Induction Data
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2020.3042334
Abstract: We derive the Cramer-Rao lower bounds (CRBs) for all target parameters associated with noisy measurements of a specific class of targets using a frequency-domain electromagnetic induction (EMI) system. The target parameters include the target tensors,… read more here.
Keywords: bounds target; frequency domain; electromagnetic induction; domain electromagnetic ... See more keywords
High-order pseudo random binary signals for frequency domain electromagnetic explorations
Sign Up to like & getrecommendations! Published in 2025 at "GEOPHYSICS"
DOI: 10.1190/geo-2025-0239
Abstract: In the field of frequency-domain electromagnetic (EM) exploration with artificial sources, various signals have been employed. However, these signals often fail to encompass all relevant frequencies of interest (or effective frequencies), necessitating signal replacements during… read more here.
Keywords: random binary; binary signals; domain electromagnetic; frequency domain ... See more keywords
Modeling induced polarization effects in helicopter time-domain electromagnetic data: Field case studies
Sign Up to like & getrecommendations! Published in 2017 at "Geophysics"
DOI: 10.1190/geo2016-0103.1
Abstract: ABSTRACTWe have developed a synthetic multiparametric modeling and inversion exercise undertaken to study the robustness of inverting airborne time-domain electromagnetic (TDEM) data to extract Cole-Cole parameters. The following issues were addressed: nonuniqueness, ill posedness, dependency… read more here.
Keywords: polarization effects; induced polarization; time domain; domain electromagnetic ... See more keywords
Inductive induced polarization effect in heliborne time-domain electromagnetic data for uranium exploration, northern part of Cuddapah Basin, India
Sign Up to like & getrecommendations! Published in 2017 at "Geophysics"
DOI: 10.1190/geo2016-0291.1
Abstract: ABSTRACTThe Peddagattu, Lambapur, Chitrial and Koppunuru uranium deposits along the northern margins of the Cuddapah Basin are confined to the middle Proterozoic unconformity interface between Archean basement granites and the overlying resistive quartzites. Negative transients… read more here.
Keywords: uranium; cuddapah basin; time domain; heliborne time ... See more keywords
Deep Neural Network-Based Interpretation of Frequency-Domain Electromagnetic Data: Dual Output of 2D Resistivity Models and Electromagnetic Data
Sign Up to like & getrecommendations! Published in 2025 at "GEOPHYSICS"
DOI: 10.1190/geo2024-0446.1
Abstract: The assessment of man-made structures such as dams and embankments is vital for protecting both property and human life. Consequently, regular and accurate geophysical monitoring of these infrastructures is widely practiced. However, the iterative numerical… read more here.
Keywords: electromagnetic data; based interpretation; domain electromagnetic; frequency domain ... See more keywords