478 results about "Geologic hazards" patented technology

The invention relates to the field of geological disaster monitoring and early warning, in particular to a slope catastrophe early warning method and system. The method comprises the following steps: establishing a space-time database, storing and managing preprocessed slope data from multiple monitoring sources, and sorting to obtain a slope catastrophe data set; performing feature extraction on the slope catastrophe data set to obtain a key information set reflecting slope catastrophe features; analyzing the key information set to obtain a slope catastrophe value; calculating an early warning threshold value and a real-time displacement prediction value of the side slope based on the side slope data in the space-time database, and fusing the real-time displacement prediction value and the side slope catastrophe value to obtain a fusion value; and evaluating the real-time stable state of each monitored section of the slope according to the obtained fusion value and an early warning threshold value, and judging whether to send out an early warning signal and an alarm signal or not according to an evaluation result. According to the invention, accurate identification of the slope catastrophe value and the potential risk area is realized, and the accuracy and reliability of the early warning system are improved.

The invention discloses an automatic geological disaster recognition system and method based on multi-source remote sensing data, and particularly relates to the field of geological disaster recognition, and the system comprises a multi-modal remote sensing data acquisition module, a cross-domain physical fusion module, a spatio-temporal evolution decision module, a multi-cascade early warning decision module, an optimization control module and a visualization module. According to the geological disaster automatic identification system and method based on the multi-source remote sensing data, virtual features are generated through a cross-domain physical fusion module by using a domain adversarial network, the model generalization ability during cross-domain application is improved, physical association among the multi-source remote sensing data is deeply mined, and dependence on manual design rules is eliminated; through a three-layer processing chain technology composed of a spatial-temporal feature extraction layer, a dynamic graph evolution layer and a critical recognition layer, the capability of capturing disaster features in a complex geological environment is effectively improved, especially the recognition precision of precursor tiny deformation is improved, and the risk of missing report is reduced.

The invention discloses a landslide susceptibility assessment method and system fusing feature interaction and dynamic weighting, and belongs to the field of geological disaster assessment, and the method comprises the steps: building an evaluation index system, and carrying out the factor classification; acquiring landslide and non-landslide point sample data, evaluating factor importance by adopting a random forest to obtain a preliminary weight, and preliminarily evaluating the susceptibility based on an I-RF model; detecting double-factor interaction by using a geographic detector, screening interaction factors for collaborative enhancement, and optimizing an expansion index system; retraining the random forest model, obtaining a new weight containing a single factor and an interaction factor, and constructing an I-RF optimization model; for spatial heterogeneity, sub-regions are divided by using spatial clustering, and the weight of each sub-region is dynamically corrected according to the sensitivity of a main control factor, so that self-adaptive adjustment is realized; and calculating susceptibility indexes of the sub-regions and the whole region, and grading to form spatialized and multi-level risk partitions. According to the method, the scientificity and accuracy of evaluation are effectively improved through feature interaction optimization and partition dynamic weighting.

The invention relates to the technical field of geological disaster evaluation, in particular to a mine geological disaster risk comprehensive evaluation method considering spatial distribution characteristics. The method comprises the following steps: acquiring mine multi-source spatial data; performing mine geological disaster risk distribution analysis on the mine multi-source spatial data to generate a mine geological risk distribution map; performing spatial region potential disaster probability analysis on the mine geological risk distribution map to generate mine geological distribution disaster probability data; and performing high-complexity spatial region screening on the mine geological risk distribution map through the mine geological distribution disaster probability data to obtain high-complexity spatial region data. According to the method, multi-source data are integrated, spatial distribution characteristics are emphasized, active and inactive areas are distinguished, ecological and water body changes are analyzed, and the accuracy and comprehensiveness of mine geological disaster risk comprehensive evaluation are improved.

The invention discloses a multi-source sensing fusion highway slope geological disaster real-time early warning method, particularly relates to the technical field of safety early warning and monitoring, and is used for solving the problem that an existing fusion system fails to report due to multi-source data false consistency in the early stage of deep hidden catastrophe. By collecting slope multi-source geological parameter time series data, energy conversion efficiency differential entropy mutation is analyzed to generate an abnormal association mark; constructing a co-evolution matrix in a marking state; searching a space-time overlapping region of a main deformation parameter second derivative zero point and an auxiliary parameter frequency domain extreme point in the matrix, and marking a phase change critical state by comparing geological history envelope lines; performing hidden variable decoupling on the critical state matrix, and generating a hidden catastrophe risk index based on the spatial similarity of the main feature vector and the catastrophe mode vector; and when the risk index continuously exceeds the dynamic critical value and the frequency domain characteristic is in an unstable evolution state, an early warning signal is generated, the deep catastrophe critical state is effectively identified, and missing report caused by safety illusion is avoided.

The present disclosure provides a landslide identification method, a device and a storage medium based on multi-path feature fusion, and relates to the field of geological hazard monitoring and early warning. The device and storage medium are used to implement the method. The beneficial effects of the present disclosure are as follows: a landslide identification method based on multi-path is provided, deep feature-level interaction among different types of landslide image data is achieved, high-resolution feature information is preserved, landslide identification accuracy is significantly improved, the computational costs are reduced, the real-time performance of landslide identification is significantly enhanced and the real-time monitoring and early warning are achieved.

The invention discloses a slope settlement data processing method under an infiltration surface effect based on a water-soil coupling model, and relates to the technical field of civil engineering geomechanical analysis. And establishing a water-soil coupling numerical model containing a mutual coupling relationship between water flow permeation and soil deformation. According to the method, the multi-source monitoring data and the sudden change recognition algorithm are fused, so that the recognition precision and real-time performance of the sudden change point of the slope infiltration surface are improved. And a parameter adaptive correction mechanism is introduced, so that the model can dynamically adjust key parameters, and the adaptability to a complex geological environment and the prediction stability are enhanced. Meanwhile, a dynamic processing flow integrating data driving, model calculation and risk identification is constructed, intelligent linkage early warning of the side slope settlement risk is achieved, the landslide accident risk is effectively reduced, and the scientificity and safety of geological disaster monitoring are improved.

The invention relates to the technical field of coal mine geological safety monitoring and disaster early warning, in particular to a coal mine disaster early warning method and system based on a geological model and a storage medium, and the method comprises the steps: firstly obtaining high fractal fracture information and monitoring data such as gas, hydrology and stress through chaotic wave excitation and fractal analysis; and a three-dimensional fractal grid with multi-level fracture representation is constructed. And discretizing a mechanical field and a fluid field by using a fractal partial differential equation operator, and globally solving a large-scale nonlinear equation through a quantum annealing mode or a quantum and classical combined annealing mode to form a quantum fractal coupling simulation result. And finally, integrating the grid units and monitoring data in the fuzzy hypergraph structure, carrying out fuzzy membership analysis on a multi-disaster element coupling sign, and outputting early warning information once the risk is judged to reach a threshold value. According to the invention, the precision and timeliness of coal mine geological disaster monitoring can be obviously improved.

The invention relates to the field of geological disaster prediction, in particular to a landslide dynamic evolution prediction method and system based on a biological neural network. The method comprises the following steps: acquiring comprehensive monitoring data of a landslide area; establishing a biological neural network architecture for simulating and learning a landslide dynamic evolution rule; obtaining a dynamic prediction result of the chaotic edge state of the landslide system; generating a landslide spatio-temporal evolution path in combination with a topological manifold generation algorithm; and through the landslide spatio-temporal evolution path, realizing visual prediction of landslide dynamic evolution. According to the method, the biological neural network architecture and the critical state neurodynamics model are established, so that deep fusion and high-precision dynamic prediction of multi-source data in the landslide evolution process are realized; a dynamic prediction result is converted into a four-dimensional space-time voxel density field by utilizing a quantum dot neural fluorescence labeling system and a topological manifold generation algorithm, and a high-resolution landslide space-time evolution path is generated, so that multi-dimensional visual expression of a landslide evolution process is realized.

The invention relates to the technical field of power grid regional disaster assessment, in particular to a power grid regional geological disaster risk assessment method and device based on multi-source data and a storage medium. The method comprises the following steps: acquiring a multi-source data set of a to-be-detected power grid region, constructing a geological disaster grid network of the to-be-detected power grid region, and extracting an evaluation factor corresponding to each geological disaster in the geological disaster grid network; screening key evaluation factors by using Pearson's correlation coefficients, and establishing an evaluation factor library; determining the weight of each evaluation factor through a CRITIC weight method and an independence weight coefficient method, and constructing a geological disaster susceptibility model; according to the geological disaster susceptibility model, evaluating the geological disaster susceptibility risk of the to-be-detected power grid region based on the characteristics of the power transmission line corridor region of the to-be-detected power grid region; the geological disaster risk distribution diagram of the power grid area to be measured is drawn, scientific basis is provided for planning, construction and maintenance of the power grid, and scientificity and application value of disaster risk assessment are improved.

The present invention relates to the technical field of prevention and control of geological disasters in mountainous coal mining areas. Disclosed are an InSAR-based measurement method for the angle of critical deformation of a coal mining area, and a system. The method comprises: acquiring a mining-induced surface deformation field image by means of small baseline subset-interferometric synthetic aperture radar; in the mining-induced surface deformation field image, separately drawing profile lines along a coal seam strike and a coal seam dip, and selecting target deformation points on the profile lines as points to be monitored; according to the incident angle, the flight direction and the azimuth angle of a satellite, obtaining vertical and horizontal deformation values; using a probability integral method to calculate parameters such as inclination, curvature and horizontal deformation; and drawing a curve graph on the basis of the vertical deformation of a target region and the above parameters, so as to obtain a corresponding angle of critical deformation. The InSAR-based measurement method for angle of critical deformation of a coal mining area provided by the present invention has the advantages of improved temporal resolution and reduced phase noises and the like, can achieve high precision and high efficiency, and can generate clear and visible Excel tables for surface deformation data of mining areas and corresponding profile data.

The invention relates to the technical field of data processing, and discloses a coal gangue storage yard environment risk real-time monitoring method and system based on edge calculation. The method comprises the following steps: acquiring environmental risk original data collected by a multi-source sensor; performing data preprocessing through the edge computing node; constructing a multi-modal recognition model to obtain pollution and geological disaster risk results; generating graded early warning information and a dynamic risk map; inputting an intelligent decision-making system to generate an emergency response plan; and updating the model parameters based on the execution data, and optimizing the risk monitoring system. According to the application, by introducing an edge computing technology, localization processing of data is realized, the data transmission quantity is reduced, the response time is shortened, meanwhile, unified monitoring, prevention and control of pollution risks and geological disaster risks are realized by integrating a multi-modal recognition model, and timeliness, accuracy and response efficiency of real-time monitoring of the environmental risks of the coal gangue storage yard are improved.

The invention relates to the technical field of landslide geological disaster hidden danger point identification, in particular to a landslide hidden danger point identification method based on an air-space remote sensing fusion neural network, which comprises the following steps: acquiring satellite SAR data, a digital elevation model, a vector boundary map and a precision orbit ephemeris of a research area; carrying out interference processing on the InSAR data, and carrying out deformation rate inversion, terrain residual error correction and atmospheric delay phase modeling and correction; preprocessing an original high-resolution remote sensing image, interpreting a high-resolution image, and outputting spatial distribution of suspected landslide hidden danger points in a research area; planning an aerial survey route of the unmanned aerial vehicle, and performing distortion correction, feature matching, dense point cloud generation and orthoimage generation processing; performing multi-dimensional feature analysis, and performing comprehensive interpretation in combination with an expert knowledge base; according to the method, the key effect of the multi-source remote sensing fusion technology in landslide hidden danger monitoring is displayed from data acquisition to hidden danger recognition.

The invention discloses a geological disaster risk assessment model fusing soil humidity, deformation and rainfall information, and relates to the technical field of geological disaster risk assessment. Comprising the steps of 1, establishing a rainfall information-based Logistic geological disaster risk assessment model, 2, introducing soil humidity parameters into the Logistic geological disaster risk assessment model, 3, introducing earth surface deformation parameters into the Logistic geological disaster risk assessment model, and 4, constructing an earth surface deformation, soil humidity and rainfall information-fused geological disaster risk assessment model. The invention aims to establish a soil humidity-deformation-rainfall fusion model by introducing soil humidity and deformation information, thereby effectively improving the accuracy of rainfall-induced geological disaster monitoring and early warning, optimizing the existing geological disaster risk assessment model, and providing technical support for disaster prevention and reduction work.

The invention relates to the technical field of side slope geological disaster monitoring, and discloses a side slope long-term monitoring early warning and threshold value dynamic adjustment method, which comprises the following steps: S1, deploying a plurality of sensors on a side slope; s2, preprocessing the collected original data; s3, setting an early warning threshold value for the key feature index; s4, dynamically evaluating and predicting the stable state of the slope in real time; s5, dynamically correcting and optimizing the initial early warning threshold value set in the step S3; s6, when the key characteristic index value exceeds the newest early warning threshold value, early warning is triggered; and S7, generating early warning information of different levels. The method solves the problems of tedious configuration of slope monitoring early warning threshold values and false alarm and missing alarm, achieves the adjustment and configuration of a unified threshold value through an efficient early warning trigger judgment disposal and threshold value dynamic adjustment mechanism, effectively improves the alarm success rate and early warning disposal efficiency, remarkably reduces the false alarm rate / missing alarm rate of slope early warning, and improves the safety of slope early warning. And the interference of the early warning system on residents is greatly reduced.

The invention provides a laser array type soil surface displacement field identification method, which comprises the following steps of: determining a plurality of observation points according to a laser array and a target on the soil surface, establishing a coordinate system by taking a soil body mark point without load as an original point, and recording the original coordinates of each observation point; after the soil body displaces, the laser array records coordinates of the observation points after displacement according to a scanning period; extracting coordinates of a plurality of observation points after soil displacement according to the target displacement field of the soil surface and the spatial change surface data; and interpolating and outputting the plurality of coordinates into a surface by using an interpolation method. According to the invention, high-precision and non-contact scanning is carried out on the land surface by utilizing laser displacement sensor equipment through a laser array type soil surface displacement field identification technology, and the displacement condition of the land surface can be monitored in real time through processing and analyzing scanned data, so that potential geological disaster risk points can be identified. Therefore, the purpose of continuously monitoring the soil surface displacement in real time is achieved.

The invention provides a dangerous rock risk early warning method and system based on static force-dynamic force-environmental quantity fusion, and relates to the technical field of geological disaster monitoring and early warning, the method comprises the following steps: obtaining rock mass monitoring data and environmental monitoring data of a dangerous rock to be measured, the rock mass monitoring data comprising rock mass vibration time domain signals and rock mass statics parameters; according to the rock mass vibration time domain signal, extracting a dynamic index of the rock mass to be measured; and according to the dynamic indexes or the rock statics parameters, constructing a dangerous rock risk fine evaluation model based on a deep learning algorithm, inputting the environmental monitoring data into the dangerous rock risk fine evaluation model, and performing fine evaluation and early warning on the dangerous rock risk. The method not only considers a single physical index for monitoring and does not depend on an empirical threshold for stability discrimination, but also fully considers the comprehensive action of rock mass dynamic response characteristics and multi-source environment information, and can realize high-precision and early instability early warning.

The invention discloses an underground coal mine geological disaster early warning method and system and a medium, and relates to the technical field of disaster early warning. The method comprises the following steps: constructing a multi-parameter cooperative monitoring field by arranging multi-modal sensing equipment in an underground coal mine; deploying N geological disaster recognition nodes for the N monitoring fields; the collaborative operation node performs risk identification on the returned data and outputs a geological disaster pre-judgment result; and the early warning management and control middle station receives the spatial topology of the monitoring field, executes disaster evolution prediction on a pre-judgment result according to the spatial topology, and outputs real-time early warning. According to the method, the technical problems of difficulty in real-time cooperative processing of multi-source data and insufficient disaster evolution prediction capability in underground coal mine geological disaster early warning are solved, and the underground coal mine disaster risk is dynamically analyzed through cooperative monitoring of a multi-modal sensor and cooperative work of time sequence data analysis and geological disaster recognition nodes, so that the underground coal mine disaster early warning efficiency is improved. And the accuracy and the response speed of geological disaster early warning are improved.

The invention discloses a side slope wave velocity change measurement method based on passive source space superposition. The method comprises the following steps: preprocessing original seismic data of a seismic station; calculating a nine-component cross-correlation function between the station pairs; cross-correlation is taken as reference cross-correlation in five days before superposition; calculating a signal-to-noise ratio between a cross-correlation function tail wave and reference cross-correlation, extracting a tail wave signal with a relatively high signal-to-noise ratio for each component, and measuring wave velocity change through a straining method; dividing different sub-station network areas according to station layout, and superposing wave velocity changes obtained by each tail wave on different components of different rays; carrying out thermoelastic strain correction on the wave velocity change to obtain a wave velocity change diagram; calculating response coefficients of seismic waves with different frequencies at different depths; and obtaining an underground medium four-dimensional wave velocity change graph. According to the invention, new technical means and scientific basis are provided for constructing an underground shallow internal wave velocity change real-time monitoring system and researching and preventing landslide geological disasters.

The invention relates to the technical field of geological disaster recognition, in particular to a power transmission line geological disaster recognition method, system and device and a medium, and the method comprises the steps: regularly obtaining satellite InSAR data and unmanned aerial vehicle LiDAR point cloud data of a target area; performing first preprocessing on the satellite InSAR data, and extracting earth surface deformation information; performing second preprocessing on the unmanned aerial vehicle LiDAR point cloud data to generate a digital elevation model; carrying out geological disaster feature extraction based on a digital elevation model to obtain a disaster type classification result; and analyzing the surface deformation information and the disaster type classification result, and outputting geological disaster state information. The beneficial effects of the invention are that data support and technical guarantee are provided for safe and stable operation of the power transmission line, operation and maintenance cost is reduced, monitoring efficiency is improved, timely prevention measures are ensured, and influence of geological disasters on the power transmission line is reduced.

The invention discloses a landslide geological disaster multi-index fusion forecasting method based on ERT monitoring. The method comprises the following steps: S1, carrying out long-term ERT monitoring on a slope body and acquiring monitoring data; s2, performing statistical analysis on the monitoring data to obtain the average resistivity, the correlation coefficient, the average resistivity change rate and the correlation coefficient change rate at different moments; s3, performing inversion based on the neural network to obtain an inversion resistivity profile map and an inversion resistivity change rate profile map, and performing water flowing fracture identification on the inversion resistivity change rate profile map; s4, carrying out landslide risk grade division according to the fracture development condition parameters of the section, the average resistivity and the correlation coefficient, and carrying out landslide risk early warning by taking the weighted sum of the obtained three risk grades as a comprehensive prediction index; and carrying out critical sliding prediction according to the absolute value product of the average resistivity change rate and the correlation coefficient change rate. According to the method, more accurate early warning and forecasting of medium-and-long-term, short-term and temporary landslide of the landslide can be realized.

The invention discloses a geological landslide identification method and system, and relates to the technical field of geological disaster monitoring. The method comprises the following steps: after acquiring a remote sensing image and laser radar scanning data of an area to which a target slope belongs, preprocessing based on the remote sensing image to obtain a stratum lithology label value, a vegetation coverage label value and a nearest water body distance value of each target pixel point; the method comprises the following steps: scanning data of a target slope, obtaining an elevation value, a slope value and a slope direction value of each target pixel point based on preprocessing of the scanning data, then importing the values into a landslide mass recognition model which completes pre-training based on an artificial intelligence algorithm to obtain landslide mass recognition results of each target pixel point, and summarizing to generate a landslide mass distribution binary image of the target slope; and finally, edge contour extraction processing, connected domain area calculation and area comparison are performed on a landslide mass connected domain in the binary image, and a landslide area surrounded by an edge contour is used as a geological landslide identification result when a comparison condition is satisfied, so that environmental protection and disaster reduction and prevention are facilitated.

The invention relates to the field of coal mine geological disaster monitoring, in particular to a coal mine surface slope remote sensing data fusion monitoring method and system, and the method comprises the steps: collecting multi-source data through a satellite-unmanned aerial vehicle-ground three-stage network, and carrying out the cleaning, correction and standardization preprocessing; utilizing an improved LSTM model which introduces an attention mechanism and a geological parameter correction item to predict slope displacement and risk levels; distributing monitoring resources through a PSO (Particle Swarm Optimization) algorithm, dynamically adjusting an equipment state through a fuzzy PID (Proportion Integration Differentiation) algorithm, and fusing multi-source data through a Bayesian algorithm to generate a high-dimensional matrix; and finally, storing data based on the alliance chain and performing early warning based on a dynamic threshold value. The system correspondingly comprises six core modules. The problems of narrow coverage, poor timeliness and low data utilization rate of traditional monitoring are solved, millimeter-level precision monitoring is realized, the early warning response is less than or equal to 5 minutes, the cost is reduced by more than 40%, and the method is suitable for safety and ecological monitoring of various coal mine slopes.

The invention provides a slope dangerous rock protection measure construction device and method, and belongs to the technical field of slope dangerous rock geological disaster control. The slope dangerous rock protection measure construction device comprises a climbing device, a dangerous rock cleaning device and a control table; the climbing device comprises a working platform and telescopic walking supporting legs, the working platform comprises a first side part and a second side part which are arranged oppositely, and the multiple telescopic walking supporting legs are arranged on the first side part and the second side part side by side; the working platform is used for installing the dangerous rock cleaning device and objects for protecting the slope dangerous rock; and the console is used for controlling the movement of the climbing device and the dangerous rock cleaning position of the dangerous rock cleaning device on the slope. The dangerous rock cleaning device and objects used for slope dangerous rock protection are controlled by the control console to be conveyed to the position where slope protection needs to be conducted, meanwhile, the dangerous rock cleaning device is controlled by the control console to be located at the dangerous rock cleaning position on the slope, the construction risk and the construction cost are reduced, and the construction period is shortened.

The invention discloses rock core drilling sampling equipment for geological disaster investigation, and relates to the technical field of sampling, and the rock core drilling sampling equipment comprises a composite mechanism. According to the rock core drilling and sampling equipment for geological disaster investigation, through the design of a composite mechanism, the motor is connected with the butt joint block, and the drill rod is inserted into the inner side of the butt joint block, so that drilling and sampling are conducted on rocks, in the drilling process, the movable frame slides on the outer side of the sliding column so as to ascend and descend, and therefore the work requirement is met; a drill bit mechanism is arranged on the outer side of the drill rod, large rocks are crushed through the drill bit mechanism in the drilling process, meanwhile, rock blocks are guided to enter the inner side of the drill rod, so that a sample is taken out when the movable frame body is lifted subsequently, subsequent treatment is facilitated, and after sampling is finished, the drill bit mechanism is used for crushing the large rocks and guiding the rock blocks to enter the drill rod. When the sample is taken out from the inner side of the drill rod, the sample is taken out more cumbersomely and difficultly, the pushing and pressing mechanism is pressed by the electric push rod, so that the effect of discharging the sample is achieved, and normal operation of equipment is kept.

The invention discloses a geological disaster risk evaluation method and system based on big data, and the method comprises the following steps: S1, obtaining multi-source geological disaster data, including geological structure data, landform data, meteorological and hydrological data, human activity data and historical disaster data; s2, performing space-time alignment and standardization processing on the multi-source geological disaster data, and constructing a geological disaster space-time data set; s3, constructing a geological disaster risk evaluation model based on the deep learning network, wherein the geological disaster risk evaluation model comprises a feature extraction module, a space-time correlation module and a risk prediction module; s4, calculating a weight coefficient of each evaluation index by adopting a dynamic weight distribution method; s5, calculating a geological disaster risk index through the geological disaster risk evaluation model, and generating a risk grade zoning map; according to the invention, more intelligent geological disaster risk evaluation of the urban area is realized.

The invention relates to the technical field of geological disaster monitoring and early warning, in particular to a strip mine slope instability monitoring and early warning method and system.The method mainly comprises the steps that firstly, according to displacement changes of monitoring points on the earth surface and below the earth surface, abnormal displacement points on the earth surface and below the earth surface in a slope area are determined; calculating a comprehensive safety coefficient by combining the weight, the safety coefficient of the surface displacement abnormal area in the slope area and the safety coefficient of the displacement abnormal area below the surface, and finally comparing the comprehensive safety coefficient with a safety threshold to judge whether the displacement abnormal area needs to be pre-warned or not. The monitoring and early warning system comprises a multi-source comprehensive monitoring system, a central processing server and a central monitoring and early warning platform, and is used for monitoring and early warning the strip mine slope by using the method. According to the method, the accuracy of slope instability monitoring and early warning can be improved through the influence of the displacement abnormal areas of the earth surface and below the earth surface of the slope and the rainfall and underground water level of a mining area on slope instability.

A plateau mountain area road slope geological disaster automatic identification method fusing multiple data comprises the following steps: S1, acquiring multi-source heterogeneous data of a target slope area, including a time sequence satellite optical image, synthetic aperture radar interferometry (InSAR) deformation data, laser radar (LiDAR) point cloud data, meteorological and hydrological data and basic geological data, and generating fusion data; s2, constructing a space-time registration module, unifying the multi-source data obtained in the S1, establishing a unified space-time coordinate system for the multi-source data, and generating fusion data; and S3, processing synthetic aperture radar interferometry (InSAR) deformation data through a freeze-thaw cycle noise compensation model, and eliminating deformation noise caused by seasonal frost heaving and thaw collapse. According to the plateau slope disaster identification method, the plateau freeze-thaw compensation model is combined with a multi-modal dynamic decision-making mechanism, and physical mechanism complementation of InSAR and LiDAR is adopted, so that'earth surface deformation-rock mass structure 'two-dimensional verification is realized, and multi-data fusion is realized, and therefore, the automatic identification precision of plateau slope disasters is improved.

The invention provides a method and system for analyzing a highway risk range based on geological disaster point data, and the method comprises the steps: obtaining geological disaster point data and highway network data, and storing the geological disaster point data and the highway network data; searching and determining a road section closest to each geological disaster point, determining a vertical point of each geological disaster point on the corresponding closest road section, and calculating a relative position of the vertical point on the road section; automatically determining a stake number corresponding to a vertical point according to a starting point stake number, a stopping point stake number and a relative position of a road section stored in the road network data; and generating a road risk range analysis result at least based on the stake number corresponding to the vertical point. According to the method, through rapid intelligent interpretation of geological disaster point space data, related units can be assisted to rapidly position a disaster risk range, then the potential threat range of the related units to a highway network is accurately defined, and the scientific and refined level of highway geological disaster prevention and engineering management is improved.

The invention relates to the technical field of geotechnical engineering and geological disaster monitoring, in particular to a rockburst tendency dynamic discrimination method, and aims to solve the limitation caused by the fact that a dynamic evolution process is simplified into a quasi-static attribute in traditional rockburst tendency evaluation. According to the method, rockburst tendency is defined as a hidden state variable evolved along with time, a physical constraint state space model containing a hidden state kinetic equation and a multi-modal observation equation is constructed, continuous stress-strain and discrete acoustic emission data are fused, hidden state probability distribution is estimated in real time through online Bayesian inference, and the probability distribution of the hidden state is estimated in real time. And in combination with adaptive information weight updating and physical consistency constraint, predicting a future state trajectory, calculating a risk probability exceeding a critical threshold, and outputting a dynamic rockburst tendency level. According to the scheme, continuous, dynamic and prospective judgment of the rockburst tendency is realized, and the accuracy and reliability of early warning are improved.