Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

102 results about "Earth crust" patented technology

Earth crust deformation monitoring method and system based on satellite radar interferometry, electronic equipment and storage medium

The invention belongs to the field of geophysical monitoring, and discloses an earth crust deformation monitoring method and system based on satellite radar interference measurement, electronic equipment and a storage medium, and the method comprises the steps: obtaining a measurement image of a satellite radar for the earth surface, and carrying out the image registration of the measurement image, and obtaining a registered image; pre-processing the registered image to obtain a pre-processed image; performing interference processing on the preprocessed image to generate a differential interferogram containing a terrain phase and a deformation phase; phase unwrapping and terrain phase correction are carried out on the differential interferogram, a deformation phase is separated out, and earth surface deformation information is obtained; and performing time sequence analysis on the earth surface deformation information of the continuous time to obtain a change trend of earth crust deformation. According to the invention, based on satellite radar interference measurement, a large area can be covered in a short time, and effective monitoring can be carried out on wide plains, complex mountainous regions and remote regions.
Owner:HENAN POLYTECHNIC UNIV

Geological monitoring data processing method and system based on multiple neural networks

The invention discloses a geological monitoring data processing method and system based on multiple neural networks, and relates to the technical field of geological monitoring data processing, and the method comprises the steps: employing a dynamic heterogeneous neural network fusion architecture, and carrying out the classification routing processing of various types of geological monitoring input data, obtaining a corresponding first local space feature, a second fault topological structure feature and a third time sequence feature vector; performing optimization training on the multi-task prediction network by using a joint loss function with geological physical constraints, the main task network being used for predicting an earth crust displacement field, and the auxiliary task network being used for predicting an earth crust stress field to obtain an optimized fusion model; based on the optimized fusion model, performing reasoning prediction on the new geological monitoring input data, and outputting a comprehensive geological risk assessment result; through the dynamic heterogeneous neural network fusion architecture, various geological monitoring input data are classified and routed, and the problem that multi-source heterogeneous geological data cannot be effectively processed through a traditional method is solved.
Owner:NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER

Method for simulating and analyzing water inrush catastrophe in tunnel construction based on peridynamics and techniques for optimizing tunnel construction

A design method for preventing and controlling water inrush catastrophe in tunnels and techniques for optimizing actual tunnel construction, specifically: discretizing calculation model into material points, setting virtual boundary layers outside boundary of calculation model; selecting size of horizon of material points to form neighborhood matrix of material points; making crustal stress equivalent to stress boundary condition, making karst cave water pressure equivalent to normal pressure, and converting displacement constraint and tunnel support into displacement boundary conditions; solving speed and displacement of material point, determining whether bonds of all material points meet failure condition, recording local damage situations; after initial balance calculation is stable, simulating tunnel construction process by using material point dormancy method; and according to physical values of optimization parameters of actual tunnel construction obtained by simulation results that meet the requirements of water inrush catastrophe prevention and control, implementing the optimized actual tunnel construction.
Owner:SHANDONG UNIV

Method for geological modeling

The invention provides a method for geological modeling, and the method comprises the steps: S11, determining the range, size and resolution hierarchy of grid subdivision of a research region according to a modeling task demand, and obtaining geologic body data points; s12, after the geologic body data points are processed, the geologic body of each grid is recovered to an undeformed initial state by adopting an earth crust kinematics theory, and an initial three-dimensional geologic model is generated; s13, performing positive sequence evolution on the geologic body of each grid recovered to the initial state through the earth crust kinematics theory, determining control data points influencing earth crust motion in the geologic body data points, and generating a three-dimensional geologic model; and S14, extracting the surface of each layer of the three-dimensional geologic model from the grid, guiding the newly obtained geologic body data points based on the control data points, and automatically updating the three-dimensional geologic model. The efficient, accurate and scientific geological modeling method is constructed by combining the earth crust kinematics theory and the dynamic modeling technology, and therefore powerful technical support is provided for geological research.
Owner:CHINA GEOLOGICAL SURVEY NATURAL RESOURCES COMPREHENSIVE SURVEY COMMAND CENT

Excavation compensation method for tunnelling in deep rock engineering

The present disclosure relates to the technical field of stability control of surrounding rock of tunnelling, and provides an excavation compensation method for tunnelling in deep rock engineering, including: acquiring an engineering geological information of the tunnelling in deep rock engineering; determining an engineering hazard type based on the engineering geological information; determining an excavation compensation support strategy for the surrounding rock of the tunnelling in deep rock engineering based on the engineering hazard type; and performing a supplementary support control on the surrounding rock of the tunnelling in deep rock engineering based on the excavation compensation support strategy. Through the supplementary support strategy, the difference value between a radial stress of the surrounding rock of the tunnelling in deep rock engineering and an initial crustal stress can be reduced to within a preset approximate value range, further effectively preventing a stress concentration phenomenon occurred in a tangential stress.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Seismic wave field simulation spectrum unit modeling method suitable for complex terrain

The invention provides an earth crust spectrum unit optimization modeling method suitable for strong seismic wave field simulation under complex topographic conditions, and relates to the field of seismic engineering, and the method comprises the steps: determining topographic parameters of a research area; according to wave velocity structure parameters of a research area, determining a mesh refinement multiple, and obtaining a minimum distance from a wave velocity contour surface to the bottom; determining the position of a refinement conversion layer of the earth crust spectrum unit; determining the total number of three-way units before mesh refinement according to the position of the earth crust spectrum unit refinement conversion layer; carrying out mesh generation in the whole domain by adopting hexahedron units; according to the layer number of the earth crust spectrum units at the upper part of the conversion layer, carrying out superficial earth crust model refinement processing; and calculating grid quality, counting the number of the earth crust spectrum units to obtain an expected value of the earth crust spectrum units, and comparing the expected value with the estimated value. According to the method, the quality problem of the spectrum unit during modeling of the earth crust structure in regions with complex topographic conditions such as alpine and canyon can be solved, meanwhile, the calculation freedom degree is reduced to the minimum, and stable and low-cost seismic oscillation simulation based on the spectrum element method is achieved.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES +3

Methods for creating a critical crust reservoir model

Provided herein are systems and methods for generating reservoir models including the SOC nature of the Earth's crust. The methods employ seismic emission tomography (SET) to generate three dimensional models of a formation providing permeability without the need for traditional reservoir modeling techniques and allowing for the identification of naturally-occurring permeability pathways that provide accurate and precise locations for the efficient recovery of hydrocarbons or other fluids.
Owner:ENEGIS LLC

Ultra-deep reflection imaging method based on passive source seismic data and related device

The invention discloses an ultra-deep reflection imaging method based on passive source seismic data and a related device, and relates to the technical field of earth depth structure imaging, and the method comprises the following steps: firstly, for original continuous seismic waveform data, intercepting seismic waveform data with a first arrival of a P wave and a non-arrival of an S wave, and carrying out the preprocessing of the data, so as to obtain a far earthquake event data segment; the method comprises the following steps: firstly, analyzing and identifying a far earthquake event with a high signal-to-noise ratio by using a time-frequency-wavenumber domain, removing data which are greatly influenced by noise, and then, reconstructing a reflection wave field of a high-quality far earthquake data fragment by using a multi-dimensional deconvolution technology, and carrying out convolution on a seismic source wavelet to obtain ultra-deep reflection wave field data. And finally, performing reflection imaging processing in combination with velocity analysis and superposition imaging technologies, optimizing the analysis capability of a deep reflection interface, and finally obtaining an earth deep reflection imaging profile, so that a continuous structure interface extending from the shallow earth crust to the deep mantle can be clearly revealed, and coupling characteristics between shallow and deep earth structures can be effectively captured.
Owner:CHINESE ACAD OF GEOLOGICAL SCI

Three-dimensional elastic block-fault motion deformation coupling model construction method and system

The invention discloses a three-dimensional elastic block-fault motion deformation coupling model construction method and system. Comprising the following steps: acquiring geodetic survey data of earth crust movement between earthquakes and an active fault distribution map, and dividing different active blocks; the movable blocks are associated with geodetic measurement data through spatial position attributes, and motion features of different blocks are distinguished; adjacent boundaries are extracted to serve as modeling boundary faults, and discretization processing is carried out; constructing a three-dimensional elastic block-fault motion deformation coupling model including block rotation, internal strain, fault normal velocity discontinuity counteracting, inclined fault positive slippage and negative dislocation response; inverting parameters of the three-dimensional elastic block-fault motion deformation coupling model by adopting a constrained least square method; and according to the coupling coefficient, identifying the potential pregnancy and earthquake concave-convex body on the fault. According to the method, a more complete inter-earthquake three-dimensional elastic model is established, and support is provided for accurate research of active fault coupling characteristics, recognition of gestational earthquake concave-convex bodies and judgment of major earthquake dangerous areas.
Owner:WUHAN UNIV

Seabed free site accurate calibration method combining HVSR and 2D-GIT

The invention provides a seabed free site accurate calibration method combining HVSR and 2D-GIT. According to the method, on the basis of submarine seismological observation data, HVSR and 2D-GIT are adopted to obtain submarine site transfer functions respectively, and a submarine free site is accurately calibrated through difference analysis of the site transfer functions; comprising the steps of seabed seismic data acquisition and preprocessing, HVSR spectrum ratio extraction, two-dimensional earth crust attenuation model modeling, 2D-GIT inversion and data fusion, conjoint analysis and environmental parameter correction, site type evaluation and dynamic parameter calibration. The characteristic that the HVSR technology is obviously influenced by local landforms when the horizontal transfer function of the seabed site is evaluated and the characteristic that the 2D-GIT technology can accurately evaluate the horizontal transfer function of each type of seabed site are jointly utilized, and analysis results of the two methods are compared. The method achieves the evaluation of the type of the seabed site and the more accurate and reliable positioning and characteristic evaluation of the free seabed site, effectively makes up for the limitation of a single technology, and provides a comprehensive and accurate type of the seabed site.
Owner:INST OF GEOPHYSICS CHINA EARTHQUAKE ADMINISTRATION

Method and device for cooperatively monitoring sea level based on GNSS and InSAR, and storage medium

The invention provides a method and device for cooperatively monitoring the sea level based on GNSS and InSAR, and a storage medium, and relates to the technical field of sea level monitoring. The method comprises the following steps: acquiring point data representing land vertical motion from a GNSS base station which is co-located with a tide station along a coastline, acquiring InSAR surface data representing earth surface deformation from a satellite, acquiring relative sea level change parameters, converting GNSS and InSAR into a same coordinate system, fusing the GNSS and InSAR to obtain land vertical motion parameters, and separating absolute sea level change parameters; and constructing and optimizing an earth crust motion-sea level coupling numerical model based on prior knowledge and the like, and predicting multi-source observation data to obtain a sea level change result. Multi-source data are fused, the influence of land motion is separated, the monitoring precision and coverage are improved, and the influence of natural and human activities on the sea level can be quantified.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY +1

Multi-level regional crustal stability evaluation method and system driven by multiple geoscience indexes

The invention provides a multi-level regional crustal stability evaluation method and system driven by multiple geoscience indexes, and belongs to the field of crustal stability evaluation. The method comprises the steps that firstly, a basic evaluation unit is determined as an evaluation grid based on an evaluation platform, a three-layer regional crustal stability evaluation system composed of surface crustal stability, shallow crustal stability and deep crustal stability is constructed, and corresponding kernel characteristics are geological disaster susceptibility, engineering rock and soil characteristics and structural stability; evaluating the surface crustal stability, the shallow crustal stability and the deep crustal stability of each evaluation grid, processing the stability of each level to obtain a standardized score, and constructing surface, shallow and deep crustal stability row vectors; splicing the stability vectors of the three levels into a matrix, solving the trace of each matrix as a comprehensive regional crustal stability R score, and grading the crustal stability based on the R score. The accuracy and the application range of the evaluation result are improved.
Owner:SHENYANG INST OF GEOLOGY & MINERAL RESOURCES

Physical simulation method and equipment for seismic response certainty of urban underground rail transit network

The invention discloses a physical simulation method and device for seismic response certainty of an urban underground rail transit network, and the method comprises the steps: constructing a mixed seismic source model based on the active fault parameters and kinematic parameters of a target region, the seismic source model integrates a low-wavenumber deterministic slip component and a high-wavenumber random slip component on a fault fracture surface to generate a broadband seismic wave field source reflecting the physical process of a seismic source; the constructed seismic source model is used as input, a regional crustal velocity structure model is combined, propagation of seismic waves in a layered geological medium is simulated through a frequency-wavenumber domain method, and a seismic oscillation space-time field is obtained through calculation; and establishing a finite element model of the urban underground rail transit network, applying the seismic oscillation time-space field as non-consistent seismic oscillation input to the finite element model, and solving through dynamic time-history analysis to obtain the dynamic response of the whole underground rail transit network in the earthquake process. According to the invention, a complete physical chain from seismic source fracture to structural response can be reproduced.
Owner:TIANJIN UNIV

Stress gradient analysis method based on directional change of saline inclusion in FIP

The invention belongs to the field of geochemistry and tectonic geology research, and discloses a stress gradient analysis method based on directional change of saline inclusion in FIP. According to the method, the size, shape and distribution characteristics of the saline inclusion in the FIP in different directions are acquired and quantitatively analyzed through the system, and a stress gradient evolution model is constructed, so that the spatial change of a local tectonic stress field is revealed. Compared with a traditional stress analysis method mainly based on a macrostructure, the stress analysis method focuses on stress response behaviors under a microscopic scale, combines various precise test means such as microscopic observation, pressure measurement and cathode luminescence, and realizes a technical path of directly inverting the tectonic stress gradient from the microstructure. The method can be widely applied to geological research of structural environments such as fault zones and shear zones, provides a new technical means for crust stress field analysis, and has important research value and wide application prospects.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

New-type barite deposit metallogenic mode construction method based on co-sedimentary fault

The invention discloses a new-type barite deposit mineralization mode construction method based on a same sedimentary fault. The method belongs to the field of geological exploration and mineral resource prediction, and comprises the following steps: analyzing the earth crust cracking activity history of an earthquake-Hangjian broken basin, and recovering a basin'checkerboard 'structure prototype; by means of field geological survey and research, drilling engineering, geophysics, remote sensing geological big data and the like, north-east-east-direction and north-west-direction co-sedimentary fault networks are identified and modeled, and a deep metallogenic fluid rising and jet flow channel is determined; the metallogenic process is concluded into a hydrothermal jet flow stage and an underwater gravity flow deposition stage, deep fluid is revealed to rise, jet flow and precipitate along a fault, and an ore-rich zone of a composite seabed fan body group is formed; and a geochemical prospecting prediction model combining trace element and sulfur isotope characteristics is established. The method systematically clarifies a coupling mechanism of ore control of the same sedimentary fault, ore-forming fluid migration and gravity flow deposition, and provides a theoretical basis and a technical means for prospecting prediction of the barite deposit in the Hendan-Hangjian fault basin.
Owner:GUIZHOU UNIV +3

A spectral unit modeling method for seismic wave field simulation suitable for complex terrain

The present invention provides a crustal spectral unit optimization modeling method suitable for simulating strong earthquake wave fields in complex terrain conditions, which relates to the field of earthquake engineering. The method comprises determining the terrain parameters of the study area; determining the grid refinement factor based on the wave velocity structure parameters of the study area, and obtaining the minimum distance of the wave velocity isosurface from the bottom; determining the location of the crustal spectral unit refinement transition layer; determining the total number of three-dimensional units before grid refinement based on the location of the crustal spectral unit refinement transition layer; using hexahedral units to mesh the entire area; refining the shallow crust model based on the number of crustal spectral unit layers above the transition layer; calculating the grid quality, counting the number of crustal spectral units to obtain the expected value of the crustal spectral units, and comparing it with the estimated value. The present invention can solve the quality problem of spectral units when modeling crustal structure in areas with complex terrain conditions such as high mountains and canyons, while minimizing the computational degrees of freedom, and achieving stable and low-cost simulation of earthquake motion based on the spectral element method.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES +3

Efficient seepage heat transfer simulation device in high-temperature and high-pressure environment

The utility model relates to the technical field of seepage heat transfer simulation, and discloses a high-efficiency seepage heat transfer simulation device in a high-temperature and high-pressure environment, which comprises a supporting mechanism for stable supporting, and a seepage sealing assembly for simulating a rock-soil layer in an earth crust is arranged at the upper end of the supporting mechanism. The upper end of the seepage sealing assembly is provided with a sealing heating monitoring assembly used for heating and monitoring fluid to be percolated, and the upper end of the sealing heating monitoring assembly is provided with a pressurizing mechanism used for pressurizing the fluid to be percolated in the sealing heating monitoring assembly. Simulation operation of seepage fluid is achieved, damage to equipment under the high-pressure condition is avoided, the driving mechanism accurately adjusts pressure through gear transmission, stable operation of a pressurization system and coordinated operation of the whole system are ensured, the precision of seepage and heat transfer simulation is improved, and the operability and safety of experiments are effectively improved.
Owner:JIANGSU KEDI PETROLEUM INSTR

Earth structure demonstration model device

The utility model provides an earth structure demonstration model device, which relates to the technical field of earth structure demonstration and comprises a sphere, and the sphere is divided into an outer layer used for representing the earth crust, an interlayer used for representing the earth curtain and a central layer used for representing the earth core from outside to inside. The sphere is divided into the outer layer used for representing the earth crust, the interlayer used for representing the earth curtain and the center layer used for representing the earth core, and the outer layer, the interlayer and the center layer are equally divided into two halves, so that during display, the outer layer, the interlayer and the center layer on the two sides can be selected to be separated so as to be convenient for personnel to explain the earth structure; the outer layer, the interlayer and the center layer on the same side can be completely separated, further explanation by personnel is facilitated, students can more intuitively understand the explanation in a splitting mode after combination, and understanding of the students is facilitated.
Owner:菏泽地震监测中心站

Mine digital model construction method based on three-dimensional point cloud database

A mine digital model construction method based on a three-dimensional point cloud database is disclosed. Mine data resources are collected, valid coordinate point position information is extracted according to point cloud data extraction standards, and a mine three-dimensional point cloud database is established; a model of rock strata boundary surfaces, mining areas, and tunnels is constructed, a surface three-dimensional geological model is constructed, and a mine three-dimensional geological model is further constructed; and division into grids is performed to obtain a mine extraction inversion digital model. According to the method, a mine three-dimensional point cloud database can be obtained, and various identified rock strata topographies, positions of mining areas and tunnels, fault morphologies, and surface morphologies can be restored; mine extraction inversion digital models having different precisions can be constructed, a foundation is laid for crustal stress field inversion, and a reliable basis is provided for mine disaster prevention and control.
Owner:CHINA UNIV OF MINING & TECH

A simulation device for a multiple stepped terrace broken by a strike-slip fault

The application discloses a kind of simulation devices of multiple terraces of strike-slip fault dislocation, including experiment table, combination experiment box being set on experiment table, sliding assembly being set at the bottom of combination experiment box for adjusting position, lifting assembly being connected on combination experiment box for adjusting space parameter and rainfall assembly being set above combination experiment box for simulating rainfall, by the present application, combination experiment box is adjusted in multiple times lifting during strike-slip fault simulation process, to simulate the complex lifting history of crust in nature, and the formation of river terrace controlled by it, the structure of the present application is simple, easy to operate, easy to implement.
Owner:XI'AN PETROLEUM UNIVERSITY

Earth crust deformation detection device convenient to install

The utility model discloses an earth crust deformation detection device convenient to install, which comprises a top frame, two sliding blocks are connected in the top frame in a sliding manner, two convex buttons are connected in the two sliding blocks in a sliding manner, and clamping holes are uniformly formed in the outer part of the top frame. The two supporting rods are separated, meanwhile, the two clamping blocks are clamped in the two bases respectively, then the inserting rods jointly penetrate through the bases and the circular holes in the clamping blocks, the clamping blocks are clamped and limited in the bases, the top frame can be erected and assembled conveniently and rapidly, meanwhile, the clamping plates are shifted left and right, and the top frame can be conveniently and rapidly erected and assembled. The two clamping plates can jointly clamp and limit the detection device body, the sliding blocks are synchronously controlled to slide and move in the top frame when the clamping plates are shifted, the sliding blocks are clamped in the clamping holes through the convex buttons in the process, the sliding blocks are limited after sliding in the top frame, the convenience of the whole device is improved, and the detection efficiency is improved. In the process, the whole device can be quickly assembled without using a wrench tool.
Owner:CHINA THREE GORGES PROJECTS DEV CO LTD +1

A three-dimensional finite element simulation method for constructing the rheological characteristics of the lithosphere

This application relates to the field of geophysics and discloses a three-dimensional finite element simulation method for constructing the rheological characteristics of the lithosphere, including the following steps: S1, creating a three-dimensional mathematical model, which is based on geophysical data and uses the WGS84 coordinate system as the reference coordinate system; S2, dividing blocks and layers according to the geological data of the study area; S3, performing finite element mesh division on the model; S4, loading the rheological properties of the lithosphere into the model; S5, applying dynamic analysis to simulate the deformation of the lithosphere and the surface deformation field. By using finite element analysis tools and geological data including topography, geological structure, and fault information, the present invention can create a highly accurate three-dimensional geological model. This improvement in accuracy makes the simulation results more reliable, thus enabling more accurate prediction of geological activities such as earthquakes and the behavior of crustal deformation.
Owner:LANZHOU JIAOTONG UNIV

Sedimentary basin well-free area earth heat flow prediction method, device and equipment

The invention discloses a sedimentary basin well-free area earth heat flow prediction method, device and equipment, and the method comprises the steps: determining the thickness of each stratum layer of a sedimentary basin well-free area based on seismic data, a sedimentary cover layer, a base structure and earth crust layering features; determining the rock heat generation rate of the sedimentary cap layer and the wrinkled substrate based on the rock core sample and / or natural gamma logging data of the basin mature exploration area; based on the seismic longitudinal wave velocity, determining rock heat generation rates of the lower earth crust and the middle earth crust; determining the rock heat generation rate of the upper earth crust based on the rock heat generation rate of the wrinkled substrate and the rock heat generation rate of the middle earth crust; based on the valance heat flow values of the upheaval area and the depression area of the basin mature exploration area and the structural evolution characteristics of the basin where the sedimentary basin well-free area is located, determining the valance heat flow of the sedimentary basin well-free area; according to the method, a new thought is provided for finely depicting the current ground temperature field characteristics of the sedimentary basin well drilling deficient region.
Owner:CHINA NAT PETROLEUM CORP

Earth crust deformation monitoring method, electronic equipment and storage medium

The invention provides an earth crust deformation monitoring method, electronic equipment and a storage medium, and relates to the technical field of geological investigation, an earth crust observation data set of a target area is obtained, and the earth crust observation data set comprises at least two different types of earth crust observation data; and inputting the earth crust observation data set into a pre-constructed long-short-term memory neural network model based on wavelet transformation to obtain a data fusion result, carrying out statistical analysis on the data fusion result, and obtaining earth crust abnormal information of the target area so as to monitor earth crust deformation change of the target area. Due to the fact that different types of crustal observation data are effectively fused, crustal deformation is monitored through the fused data fusion result, the crustal deformation monitoring precision is improved, the three-dimensional monitoring capacity of crustal deformation of the target area is expanded, crustal deformation changes of small areas can be detected more accurately, and the crustal deformation monitoring accuracy is improved. And the crustal deformation monitoring precision is improved.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN) +2

Superconducting material of metal intercalation boron carbon

PendingCN121990580ASuperconductors/hyperconductorsSuperconductor devicesNanowireSuperconducting transition temperature
The invention discloses a metal intercalation boron-carbon superconducting material GeB2C2 under normal pressure and a preparation method of the metal intercalation boron-carbon superconducting material GeB2C2. The material has a two-dimensional Kagome lattice structure, the space group is P6 / mmm (No.191), the lattice constants are a = b = 2.732, and c = 16.784. Through calculation and prediction of a first principle, the material has a superconducting transition temperature of about 48 K under a normal pressure (0 GPa) condition, and is dynamically stable. The superconducting mechanism is derived from a strong electroacoustic coupling effect, and the coupling constant lambda is about 1.64. The material is composed of Ge, B and C elements rich in earth crust, the raw materials are easy to obtain, the cost is low, and the large-scale preparation potential is achieved. Compared with a traditional normal-pressure superconducting material, the material disclosed by the invention has a relatively high superconducting transition temperature; compared with a high-voltage superconductor, a high-voltage environment is not needed, and the preparation and application threshold is remarkably reduced. The material can be applied to the fields of high-performance superconducting filters, superconducting nanowire single-photon detectors, small superconducting magnets and the like, and has important scientific research values and good practical application prospects.
Owner:GUANGDONG UNIV OF TECH

Jigsaw puzzle toy (earth crust)

1. The name of this design product: Jigsaw puzzle (earth crust). 2. Purpose of this design product: used as a learning puzzle toy. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Assembly state diagram 1.
Owner:COSBY (SHENZHEN) TECH CO LTD

Earthquake early warning method and device based on satellite, electronic equipment and storage medium

The invention provides a satellite-based earthquake early warning method and device, electronic equipment and a storage medium, and relates to the field of satellite monitoring. The satellite-based earthquake early warning method provided by the invention comprises the following steps: determining initial crustal deformation data of a target monitoring area corresponding to an initial satellite; under the condition that the initial crustal deformation data is greater than preset crustal deformation data, determining a plurality of target satellites corresponding to the initial crustal deformation data and acquiring first radar image information corresponding to the plurality of target satellites; determining a plurality of earth crust deformation differences based on the plurality of pieces of first radar image information and second radar image information corresponding to the initial satellite; and based on the plurality of earth crust deformation differences, determining a target terminal and generating earthquake early warning information, and sending the earthquake early warning information to the target terminal. According to the invention, the earthquake prediction efficiency and accuracy can be improved.
Owner:YINHE HANGTIAN (XIAN) TECHNOLOGY CO LTD

A crustal deformation research and analysis system and method based on GNSS data

PendingCN122634501AEarth crustOriginal data
The application provides a crust deformation research and analysis system and method based on GNSS data, relates to the technical field of crust deformation monitoring and research, and comprises a hardware subsystem and a software subsystem; the hardware subsystem comprises a GNSS receiving module, a data storage module, a communication transmission module and a power supply module which cooperate with each other, and is used for realizing the collection, local storage and remote stable transmission of GNSS data; the software subsystem runs on a terminal device and comprises a data preprocessing module, a data solving module, an analysis module and a visual display module which are sequentially associated and cooperate with each other, and is used for realizing an integrated analysis process of GNSS original data preprocessing, data solving, crust deformation characteristic analysis and result visual display. The application can realize the integration of GNSS data collection, processing, analysis and display, improve the data processing efficiency, simplify the operation process, and provide convenient technical support for crust deformation research.
Owner:CHINA EARTHQUAKE ADMINISTRATION CHENGDU QINGHAI-TIBET PLATEAU SEISMOLOGICAL RES INST (CHINA EARTHQUAKE SCI EXPERIMENTAL SITE CHENGDU BASE)

GNSS imaging method and device for detecting short wavelength deformation

The invention provides a GNSS imaging method and device for detecting short-wavelength deformation, and the method comprises the steps: firstly determining the weight of each to-be-estimated point based on a space structure, then extracting an estimated value of a vertical speed, and generating a GNSS image; the step of determining the weight based on the space structure comprises the steps of firstly obtaining a known observation station connected with a to-be-estimated point based on a Delaunay triangle, then obtaining a preliminary weight by using Gaussian process regression, and obtaining a final weight of the connected known observation station after re-weighting based on velocity uncertainty; the step of extracting the estimated value of the vertical velocity comprises the step of extracting the estimated value of the vertical velocity of the to-be-estimated point by adopting generalized weighted median filtering processing based on the final weight of a known observation station connected with the to-be-estimated point. The invention provides a Gaussian process regression GPR-VU scheme considering speed uncertainty, a space structure between a known point and an unknown point is constructed by using a covariance matrix, an earth crust deformation GNSS image in a research area is generated, and detection of short wavelength deformation in an area with complex geology and strong structural activity is realized.
Owner:WUHAN UNIV

A three-dimensional multi-fault geological modeling method suitable for finite element numerical simulation

The present invention provides a three-dimensional multiple complex fault geological modeling method suitable for finite element numerical simulation. The three-dimensional multiple complex fault geological modeling method suitable for finite element numerical simulation includes the following steps: faults are modeled separately, and their corresponding geometric models are constructed using the point cloud data of each fault, including processing multiple triangular facets into whole facets, and optimizing the geometric topological structure of the whole facets; using the crust1.0 crustal model to establish a lithospheric structure layering model, and fusing the fault model with the crust1.0 stratum model to construct a geological model of multiple complex faults. The three-dimensional multiple complex fault geological modeling method suitable for finite element numerical simulation provided by the present invention has the advantages of fully considering the geometric information of a single fault and the relationship between multiple faults during the modeling process, reducing the errors in model size and position brought about during the modeling process, and fully considering the spatial differences of model materials.
Owner:WUHAN UNIV