Zhaofa Zeng
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View article: Temperature Field Construction in Qinghai-Gonghe Basin Based on Integrated Geophysical Inversion Results
Temperature Field Construction in Qinghai-Gonghe Basin Based on Integrated Geophysical Inversion Results Open
As a clean and renewable energy source with huge reserves, hot dry rock geothermal resources have received wide attention. The geothermal field plays a crucial role in studying the heat source mechanism of hot dry rock, defining target are…
View article: Muon Detection Technology and Its Application in the Archeology of XiXia Imperial Tombs
Muon Detection Technology and Its Application in the Archeology of XiXia Imperial Tombs Open
Muon detection technology is an innovative type of geophysical exploration method that uses the penetrating ability of cosmic ray muons to detect and image the internal density structure of targets, offering the advantage of non-destructiv…
View article: A Novel Method for Estimating Parameters of Magnetic Dipole Sources Under Low Signal-to-Noise Ratio Conditions Based on LM-OBF Algorithm
A Novel Method for Estimating Parameters of Magnetic Dipole Sources Under Low Signal-to-Noise Ratio Conditions Based on LM-OBF Algorithm Open
Magnetic anomaly data rapidly decay with distance and are susceptible to environmental magnetic noise, which leads to reduced accuracy and robustness in estimating magnetic source parameters. This shows significant differences between esti…
View article: A Novel High-Precision Imaging Radar for Quality Inspection of Building Insulation Layers
A Novel High-Precision Imaging Radar for Quality Inspection of Building Insulation Layers Open
In recent years, the building insulation layer peeling caused by quality problems has brought about safety hazards to human life. Existing means of non-destructive testing of building insulation layers, including laser scanning, infrared t…
View article: Geothermal Genesis Mechanism of the Yinchuan Basin Based on Thermal Parameter Inversion
Geothermal Genesis Mechanism of the Yinchuan Basin Based on Thermal Parameter Inversion Open
The Yinchuan Basin harbors significant geothermal resource potential and could be a clean energy source critical for transitioning to a low-carbon economy. However, the current research primarily focuses on the exploration and development …
View article: Estuarine Plumes: Modulators of Dissolved Organic Matter Molecular Signatures and Biogeochemical Fate in Coastal Ecosystems
Estuarine Plumes: Modulators of Dissolved Organic Matter Molecular Signatures and Biogeochemical Fate in Coastal Ecosystems Open
View article: A new inversion scheme for time-lapse electrical resistivity tomography based on a full-gradient Jacobian matrix
A new inversion scheme for time-lapse electrical resistivity tomography based on a full-gradient Jacobian matrix Open
Time-lapse electrical resistivity tomography (ERT) has been proved to be a useful method for monitoring subsurface changes. Four-dimensional (4D) inversion scheme is one of the most common inversion schemes used to obtain subsurface resist…
View article: Antenna Comparison of Different Antennas in Through-Wall Radar Human Vital Signs Recognition
Antenna Comparison of Different Antennas in Through-Wall Radar Human Vital Signs Recognition Open
Through wall radar (TWR) is an essential technology in the post-disaster rescue of buried individuals. The human vital signs analysis of breathing, heartbeat, and other periodic motions is the information used to identify and classify the …
View article: The GPR and ERT detection for road hazard in loess region
The GPR and ERT detection for road hazard in loess region Open
The road hazards have frequently happened in the loess region in Ningxia autonomous region. The reason for this phenomenon is that the loess under the roads has always changed because of its properties, such as collapsibility, and leads to…
View article: Multi-frequency electromagnetic sensor for detecting NaCl concentration in water - experimental study
Multi-frequency electromagnetic sensor for detecting NaCl concentration in water - experimental study Open
Clean water resources have become the focus of global attention. The rapid detection of water pollution and the rapid evaluation of NaCl content in water is an important evolution the quality of water or soil in environment and agriculture…
View article: Research on the application of 3D GPR in the detection of road collapse diseases in loess region of Ningxia
Research on the application of 3D GPR in the detection of road collapse diseases in loess region of Ningxia Open
In recent years, the loess region of Ningxia is faced with severe challenges of road collapse diseases. Such diseases have the characteristics of strong suddenness, high frequency and difficult prediction. Coupled with complex causes, trad…
View article: Factors Affecting the Stability of Loess Landslides: A Review
Factors Affecting the Stability of Loess Landslides: A Review Open
The stability of loess landslides affects the production and livelihood of the people in its vicinity. The stability of loess landslides is influenced by various factors, including internal structure, collapsibility, water content, and she…
View article: Prediction of Terrestrial Heat Flow in Songliao Basin Based on Deep Neural Network
Prediction of Terrestrial Heat Flow in Songliao Basin Based on Deep Neural Network Open
Heat flow is a geothermal parameter for indicating the heat sources distribution and evaluating geothermal reservoirs. Only 1230 heat flow points are distributed unevenly in China, mainly concentrated in the high-temperature geothermal are…
View article: Study on Geoelectrical Structure Based on Audio Magnetotelluric Inversion in Gudui, Tibet
Study on Geoelectrical Structure Based on Audio Magnetotelluric Inversion in Gudui, Tibet Open
Gudui geothermal field in Shannan, Tibet has great potential for geothermal energy development. The main purpose of our geophysical investigation is to study the geothermal structure in this region. Therefore, 363 stations were deployed ar…
View article: Heat Flow Prediction in Songliao Basin Based on Deep Neural Network
Heat Flow Prediction in Songliao Basin Based on Deep Neural Network Open
The heat flow is the key data for accurately predicting the contribution of underground heat, but due to the high cost of measurement, the spatial difference is huge, and the heat flow information in some areas is little known. This paper …
View article: Estimation of Soil Moisture Content of Farmlands Based on AEA Method of GPR
Estimation of Soil Moisture Content of Farmlands Based on AEA Method of GPR Open
We used ground penetrating radar (GPR) to estimate the soil moisture content and its spatial distribution of farmland under different tillage modes in this paper. GPR data are collected on the farmlands with no-tillage (NT) and deep plough…
View article: Design and Development of A New GPR System for Soil Detection
Design and Development of A New GPR System for Soil Detection Open
Soil is a key factor in many fields such as national food security and ecological environment construction. In recent years, as an important geophysical method, ground penetrating radar (GPR) is widely used in soil detection. However, the …
View article: Prediction of Terrestrial Heat Flow in Songliao Basin Based on Deep Neural Network
Prediction of Terrestrial Heat Flow in Songliao Basin Based on Deep Neural Network Open
Heat flow is a geothermal parameter for indicating the heat source distribution and evaluating geothermal reservoirs. Only 1,230 heat flow points are distributed unevenly in China, mainly concentrated in high‐temperature geothermal and sou…
View article: Application of Regional Gravity and Magnetic Data in Yambajan and Gudui Geothermal Fields, Tibet
Application of Regional Gravity and Magnetic Data in Yambajan and Gudui Geothermal Fields, Tibet Open
Yambajan geothermal field is the first wet steam field developed in the Chinese mainland. It is also the geothermal power station with the highest elevation in the world. It is rich in geothermal resources and its exploration and developme…
View article: Application of Variational Mode decomposition in GPR Detection of Oil Contaminated Soil
Application of Variational Mode decomposition in GPR Detection of Oil Contaminated Soil Open
In this article, Ground penetrating radar (GPR) is used to investigate the contaminated soil by oil pollutants in oilfield operation area. Time frequency analysis method is applied to GPR data to reveal the changes of GPR signal frequency …
View article: An Accelerated Algorithm for 3D Inversion of Gravity Data Based on Improved Conjugate Gradient Method
An Accelerated Algorithm for 3D Inversion of Gravity Data Based on Improved Conjugate Gradient Method Open
The 3D inversion algorithm for gravity data based on a smooth model constraint has been proven to yield a reasonable density distribution. However, as the amount of observed data and model parameters increases, the algorithm experiences is…
View article: Estimation of the Soil Water Content Using the Early Time Signal of Ground-Penetrating Radar in Heterogeneous Soil
Estimation of the Soil Water Content Using the Early Time Signal of Ground-Penetrating Radar in Heterogeneous Soil Open
Ground-penetrating radar (GPR) is an important tool for measuring soil water content (SWC) at the field scale. The amplitude analysis of the early time signal (ETS) of GPR may provide a rapid way to estimate SWC. By assuming a homogeneous …
View article: An Attention-Based Residual Neural Network for Efficient Noise Suppression in Signal Processing
An Attention-Based Residual Neural Network for Efficient Noise Suppression in Signal Processing Open
The incorporation of effective denoising techniques is a crucial requirement for seismic data processing during the acquisition phase due to the inherent susceptibility of the seismic data acquisition process to various forms of interferen…
View article: Study on Rapid Inversion of Soil Water Content from Ground-Penetrating Radar Data Based on Deep Learning
Study on Rapid Inversion of Soil Water Content from Ground-Penetrating Radar Data Based on Deep Learning Open
Ground-penetrating radar (GPR) is an efficient and nondestructive geophysical method with great potential for detecting soil water content at the farmland scale. However, a key challenge in soil detection is obtaining soil water content ra…
View article: 3-D Inversion of Gravity Data of the Central and Eastern Gonghe Basin for Geothermal Exploration
3-D Inversion of Gravity Data of the Central and Eastern Gonghe Basin for Geothermal Exploration Open
The Gonghe Basin is one of the most important regions for the exploration and development of hot dry rock geothermal resources in China. However, there is still some controversy about the main heat source of hot dry rock geothermal resourc…
View article: Study on Geothermal Genesis Mechanism and Model in the Western Margin of Ordos Basin
Study on Geothermal Genesis Mechanism and Model in the Western Margin of Ordos Basin Open
Among so many fault basins around Ordos presenting good geothermal background, Yinchuan Plain is the key development and protection area of the Ecological and Economic Belt along the Yellow River in Ningxia and Yinchuan Metropolitan Area. …
View article: A New Electrical Resistivity Tomography Scheme of Borehole-to-Surface-to-Cliff Detection and Imaging for Grotto Rock Structure
A New Electrical Resistivity Tomography Scheme of Borehole-to-Surface-to-Cliff Detection and Imaging for Grotto Rock Structure Open
Grotto rock structure detection is precondition of the grotto protection and restoration. As a stable and non-destructive geophysical method, electrical resistivity tomography (ERT) is extensively used to detect the geological structure of…
View article: Seismic Data Denoising Based on Wavelet Transform and the Residual Neural Network
Seismic Data Denoising Based on Wavelet Transform and the Residual Neural Network Open
The neural network denoising technique has achieved impressive results by being able to automatically learn the effective signal from the data without any assumptions. However, it has been found experimentally that the performance of the m…
View article: Research on the Detection Method of MRS Signal Initial Amplitude Based on Chaotic Detection System
Research on the Detection Method of MRS Signal Initial Amplitude Based on Chaotic Detection System Open
When using magnetic resonance sounding (MRS) method for groundwater, the detection accuracy is often affected by electromagnetic noise. The chaos method can achieve signal extraction at a lower signal-to-noise ratio. However, this method h…
View article: Numerical Simulation of Hot Dry Rock Fracture Monitoring by Time-Lapse Magnetotelluric Method
Numerical Simulation of Hot Dry Rock Fracture Monitoring by Time-Lapse Magnetotelluric Method Open
The spatial distribution of rock fractures during water injection in hot dry rock (HDR) geothermal is essential information for evaluating geothermal well fracturing. The rock fractures produce anisotropic electrical characteristics, which…