664 results about "Satellite positioning" patented technology

The invention provides a driving fatigue monitoring auxiliary system based on Beidou satellite positioning and a multi-modal data fusion technology, which relates to the field of electric digital data processing and comprises a multi-modal information sensing and acquisition module, a data preprocessing and quality assurance module, a fatigue state recognition and evaluation module and an intelligent early warning and adaptive optimization module. The multi-modal information perception and acquisition module is responsible for acquiring driver states, driving behaviors and environment information in real time, and the data preprocessing and quality assurance module is responsible for performing space-time alignment, quality evaluation and feature standardization on multi-source data. The fatigue state recognition and evaluation module is responsible for fusing multi-dimensional features and judging fatigue levels and risk trends, and the intelligent early warning and self-adaptive optimization module is responsible for implementing hierarchical intervention and continuously optimizing system performance; according to the system, the accurate space-time reference provided by Beidou satellite positioning is utilized, effective fusion of multi-source heterogeneous data is realized, and the accuracy, the real-time performance and the individuation level of fatigue monitoring are remarkably improved.

The invention relates to the technical field of positioning, in particular to a rail-mounted robot high-precision fusion positioning method and system. According to the method, the error compensation model of each track segment is constructed, dynamic correction is carried out in combination with real-time environment interference data, dynamic compensation can be carried out on pulse data generated by an incremental encoder in real time, accumulation of position errors is remarkably reduced, it is ensured that the position of the robot is more accurate, and the accuracy of the robot is improved. By fusing satellite positioning data, motion state data and pulse data after error compensation, the positioning precision of the orbital robot in each orbital segment is remarkably improved, and by monitoring the position deviation in real time and comparing the position deviation with a preset threshold value, the unqualified orbital segments can be repeatedly corrected according to needs, so that the accuracy of the orbital robot is improved. And the accuracy of the positioning result is ensured, so that the robot can adaptively optimize the positioning precision under different working scenes and environment changes, and the continuity of high-precision positioning is ensured.

The invention provides a real-time data processing method and system for Beidou satellite positioning error correction, and relates to the technical field of data processing, and the method comprises the steps: 1, collecting Beidou satellite original observation data of the current position of a mine car in real time, and synchronously obtaining the dynamic environment information of an operation region; 2, according to the signal receiving quality and the dynamic environment information of the original observation data of the Beidou satellite, the Beidou signal dynamic shielding state of the current position is sensed and quantified in real time, and a signal shielding grade evaluation result is obtained; and step 3, according to a signal shielding grade evaluation result, adaptively adjusting an error correction strategy to obtain an adjusted error correction strategy. According to the invention, targeted accurate error compensation is realized, and the precision and stability of positioning data are improved.

The invention provides a road inspection target positioning method based on multi-source data fusion, and relates to the field of road daily inspection and infrastructure performance monitoring, and the method comprises the following steps: obtaining multi-source data based on a preset multi-source sensor; through deep coupling of satellite positioning carrier double-difference observation and inertial navigation solution of an inertial sensor, error correction is carried out in combination with Kalman filtering recursion, and fusion navigation data is determined; according to the fused navigation data, carrying out fusion processing on the two-dimensional visual observation data and the three-dimensional space point cloud data to obtain a forward view depth map; determining the national geodetic coordinates of the disease by combining a depth value back calculation method and utilizing a forward view depth map; and obtaining a starting kilometer pile number in a road inspection process, and determining a mileage pile number of the disease by combining the national geodetic coordinate of the disease and utilizing a Gaussian positive algorithm. According to the invention, centimeter-level geographic coordinate positions of diseases and corresponding mileage stake numbers can be output.

The embodiment of the present application discloses a kind of control method of mobile device and related equipment, the method comprises: control the mobile device moves along preset path;When the mobile device moves to the position where satellite positioning signal does not satisfy preset condition, control the mobile device continues to move along the preset path, and in the process of continuing to move along the preset path, the distance between the position of the mobile device and the nearest one first position is determined;When the distance is equal to remaining mileage, if it is detected that the satellite positioning signal does not satisfy the preset condition, control the mobile device moves to the nearest one first position, so that the position of the mobile device after moving detects that satellite positioning signal satisfies the preset condition, and the remaining mileage is obtained based on preset mileage and the mileage of the mobile device continuing to move along the preset path.

The invention discloses a positioning method, device and equipment based on ionosphere error correction and a medium, and the method comprises the steps: obtaining a real-time observation data set of a target CORS system, calculating the real-time ionosphere delay of each observation satellite in each reference station, and obtaining a real-time ionosphere delay set; calculating longitude and latitude correction parameters of each reference station through the real-time ionosphere delay set and longitude and latitude change rate reference coefficients pre-acquired by each reference station, and updating a pre-acquired original ionosphere correction model through the longitude and latitude correction parameters to obtain a new ionosphere correction model; and generating a corrected ionosphere error through the new ionosphere correction model, and correcting positioning data acquired by the target CORS system through the corrected ionosphere error. According to the method, the problem that the change rule of the ionosphere on the longitude and latitude is ignored in the traditional positioning technology can be solved, so that the accuracy of the CORS system satellite positioning is improved.

The invention belongs to the technical field of traction robot control, and relates to an intelligent sensing control method and system for a traction robot. Checking the consistency of satellite positioning, ultra-wideband positioning and odometer information, calculating the credibility, fusing to obtain a fused pose and pose confidence, and when the confidence is lower than a threshold, rejecting low-credibility information to degrade and re-fuse; environment representation is constructed based on laser point cloud and image semantics, and dynamic obstacles are updated; generating and updating a target track according to environment change or confidence change under environment representation and motion constraint; and generating a control instruction according to the target track, the fused pose and the traction connection angle, and parking when a safety condition is triggered. According to the technical scheme, through trailer motion constraint, multi-source positioning consistency check, dynamic obstacle environment representation and track self-adaptive updating cooperation, pose reliability maintenance and track-control closed loop stability are achieved, and the trailer / motor home shifting and parking requirements of a camping site and a parking lot are met.

The invention discloses a Galileo HAS service receiving and positioning performance evaluation method and device, and belongs to the technical field of satellite positioning and navigation. The method comprises the steps that Galileo E6B frequency band signals are captured through USRP equipment, after radio frequency and direct current signals are separated through a bias device, self-adaptive layering processing is carried out through GNSS-SDR software, and the self-adaptive layering processing comprises dynamic sampling and interference suppression of a radio frequency adaptation layer, double-domain cooperative synchronization and self-adaptive decoding of a baseband intelligent processing layer and self-adaptive decoding of a baseband intelligent processing layer. And carrying out multi-dimensional feature mapping and robust verification on the HAS correction number extraction layer, and finally outputting a standardized HAS correction number. And in combination with a real-time precise single-point positioning technology, centimeter-level dynamic positioning is realized, and the positioning performance is evaluated through comparison with reference station data. According to the method, the robustness and precision of signal receiving and processing are improved, and the method is suitable for high-precision positioning requirements in a complex environment.

The present invention belongs to the field of marine underwater positioning, navigation and timing. Disclosed are an underwater navigation and communication integrated position service system and method. The system comprises a buoy base station, a submerged buoy base station, a seabed base station and a shore-based operation and control unit, and the system utilizes a three-dimensional base station network observation mode combining the buoy base station, the submerged buoy base station and the seabed base station. The position service system and method in the present invention have the capabilities of underwater acoustic navigation and communication, satellite positioning and communication, atomic clock timekeeping, hydrological measurement and responding to instructions of a shore-based operation and control unit, have the functions of autonomous, real-time and online base station position and clock calibration and sound velocity field correction, have the functions of base station position and clock calibration, and sound velocity field correction and control based on the shore-based operation and control unit, and can expand the range and functions of underwater position services, and provide accurate positioning, navigation and timing services for water-surface / underwater users.

The invention provides a riding navigation blind area track correction method and system based on stopwatch inertial navigation, electronic equipment and a storage medium, and the method comprises the steps: obtaining the angular velocity and acceleration information of a stopwatch and the direction information of an earth magnetic field, and carrying out the calculation to obtain a riding course angle and a real-time riding speed; when it is detected that a satellite positioning signal is interrupted, the last credible satellite positioning coordinate before interruption serves as an estimated coordinate point of a first operation period, and in each operation period, a relative displacement vector is calculated by combining the course angle of the current period, the real-time riding speed and the time interval of the operation period; iteratively determining the estimated coordinate point of the current period by taking the estimated coordinate point of the previous period as a reference, and forming a continuous extension track; and finally, matching the extended continuous coordinate points with a road network of a preset digital map, calculating and accumulating the distance between adjacent coordinate points based on the matched real road coordinates, and completing accurate correction of the track and the distance.

The invention relates to the technical field of ship safety, and discloses a ship safety management monitoring system based on the Internet and a Beidou satellite, the system comprises a coordinate analysis module, a ship state module, a data fusion module, an abnormity identification module and an early warning message sending module, a satellite positioning signal is analyzed, and real-time latitude and longitude coordinates of a ship are obtained; generating comprehensive operation parameters of the ship according to the attitude, the navigational speed, the load and the main engine operation parameters of the ship; performing data fusion on the longitude and latitude coordinates after timestamp alignment and the comprehensive operation parameters to obtain an operation feature vector of the ship; performing abnormal mode identification on the operation feature vector based on historical navigation data and a preset safety threshold to obtain a risk category of the ship; when a risk category occurs, generating a treatment measure message of the risk category, and sending the treatment measure message to a ship-end display terminal and a shore-based management terminal through communication between the Internet and a Beidou short message; the ship safety management efficiency can be improved.

The invention provides a comprehensive industrial equipment point inspection and polling positioning method and system. The method comprises the following steps: S1, performing multi-source fusion positioning based on a multi-redundancy positioning mechanism including satellite positioning, cellular communication base station positioning, two-dimensional code scanning to obtain positioning information, RF card reading the positioning information, and Bluetooth beacon to obtain the positioning information; and S2, performing multi-dimensional verification on the current positioning information based on the dynamic electronic fence according to a preset constraint task, and when the multi-dimensional verification is successful, completing point inspection tour of the current industrial equipment. Wherein the multi-dimensional verification comprises space verification, time verification and behavior verification. According to the invention, full-scene coverage is realized through a dynamic switching algorithm based on multi-redundancy positioning mechanisms such as a satellite, a base station, a two-dimensional code, an RF card and a Bluetooth beacon.

The invention discloses a GPS-free unmanned aerial vehicle autonomous navigation method based on multi-modal perception and reinforcement learning, and aims to solve the problem of obstacle avoidance failure caused by insufficient perceptibility of a transparent or reflective material. The method comprises the following steps: constructing a dual-channel occupancy graph containing an entity occupancy probability and a permeable layer probability, estimating a local plane normal in a suspected area and establishing an anisotropic safety barrier aligned with the normal, setting normal and tangential speed upper limits, combining safety reinforcement learning active verification and sensor parameter self-adaption, and cooperating with Bayesian updating and local path planning to obtain an anisotropic safety barrier. Reliable identification and safe detour of transparent or reflective obstacles are realized, the collision risk is reduced, and the robustness and stability of autonomous navigation in an environment without global satellite positioning signals are improved.

The invention relates to the technical field of ship safety, in particular to a ship navigation monitoring management system and method based on edge computing, and the system comprises seven cooperation modules: a data collection module synchronously obtains ship multi-source data, and a processing storage module achieves the data compression, marking and storage. The encryption security module completes full-process AES-256 encryption through a hardware encryption chip, the dual-power supply module guarantees stable power supply, the satellite positioning module obtains accurate positioning through Beidou / GPS dual modes, the self-inspection maintenance module monitors faults in real time, and the AI edge calculation unit achieves channel object recognition, track analysis and violation warning through a deep neural network model. According to the method, closed-loop processes of data acquisition, encryption, processing, intelligent analysis and fault handling are completed through module cooperation; the invention aims to solve the problems of high monitoring delay, insufficient data security, unreliable power supply and the like of the existing system.

The invention discloses a Beidou multi-base-station cooperative positioning and error compensation method in a complex construction environment, and relates to the technical field of satellite positioning, and the specific method comprises the steps: 1, determining a construction region, collecting three types of core parameters, i.e., an observation signal-to-noise ratio, a signal shielding rate and clock synchronization deviation, and constructing a three-dimensional cooperative reliability parameter; 2, scene static and dynamic characteristic parameters are collected, an interference and signal-to-noise ratio attenuation correlation model is constructed based on historical data, a coupling strength coefficient and an influence index are calibrated, a coupling correction term is calculated, a superposition deterioration effect between the parameters is quantized, and a health degree index is set by integrating three-dimensional cooperative reliability parameters; and step 3, dividing the base station data into a core resolving pool and an auxiliary resolving pool by taking a health degree threshold as a standard, judging dominant factors of health degree index decline through partial derivative analysis, and setting a targeted compensation method according to different dominant factors. According to the method, the resource utilization rate of the base station is improved based on dynamic weight distribution of the health degree and the environment adaptation factor.

The invention discloses an anti-interference GNSS / INS (Global Navigation Satellite System / Inertial Navigation System) integrated positioning optimization algorithm for an unmanned aerial vehicle, particularly relates to the technical field of satellite positioning and navigation, and is used for solving the problem that the positioning precision is reduced due to inaccurate interference identification of an existing integrated navigation system in a complex electromagnetic environment. The positioning precision is improved by constructing a multi-dimensional interference characteristic analysis system; the method comprises the following steps: firstly, carrying out subset division on visible satellites, calculating credibility factors, analyzing pseudo-range residual error distribution characteristics to identify interference source types when the credibility is insufficient, and extracting spectrum characteristics of position sequences at the same time; then, based on the matching relationship between the interference mechanism and the spectrum characteristic, allocating an evaluation weight, and generating a reliability index; and finally, adaptively adjusting a measurement noise covariance matrix of the Kalman filter according to the index, and realizing optimal fusion of GNSS observation data and INS sensor data, thereby keeping the positioning precision and stability of the integrated navigation system in a strong interference environment.

The invention relates to the field of radio navigation, and discloses a multi-parameter early warning method and system based on ground disaster monitoring equipment, and the method comprises the steps: obtaining rainfall, soil moisture content and environment temperature and humidity parameters, and gradually displaying the generated carrier fluctuation and environment disturbance through a collection process; performing time period-by-period arrangement on the multi-parameter sampling data, and extracting corresponding satellite positioning residual errors and environment variable amplitudes when instantaneous fading, rainfall pulsation and soil moisture change superposition occur in a satellite link; performing section-by-section deconstruction on the base line of the bottom layer, and combining displacement change, rainfall sudden increase and soil humidity fluctuation of adjacent monitoring points to construct an abnormal identification surface for evaluating the reliability of satellite positioning; re-regularizing the interference degree of the hidden signal gap on the satellite resolving link according to a time sequence; and carrying out delayed abduction on the pushing trend of slight deformation of the slope body. The method has the advantage of improving the reliability of ground disaster monitoring based on satellite positioning.

The invention relates to the technical field of intelligent watch positioning, and provides an intelligent watch high-precision positioning method and system, and the method comprises the steps: obtaining a satellite positioning signal of a global navigation satellite system; continuously monitoring the signal quality of the satellite positioning signal and the motion information of an inertial measurement unit in the smart watch; according to the signal quality, the motion information and preset geographic information, whether the wearer is about to enter a signal limited environment or not is judged, and a signal limited judgment result is obtained; and if the signal limitation judgment result shows that the wearer is about to enter the signal limitation environment, adjusting the working mode of the positioning service. The method has the effect of improving the positioning precision and stability of the smart watch.

The invention discloses a fan blade clearance distance monitoring method, device and equipment and a medium, and belongs to the technical field of fan monitoring, and the method comprises the steps: installing the monitoring equipment at a preset position of a fan tower drum, and obtaining a fan blade motion image; processing the fan blade motion image by adopting a deep learning network, and identifying position coordinates of a blade tip in the fan blade motion image; in combination with the inclinometer angle and Beidou satellite positioning data, converting the blade tip position coordinates into actual space coordinates according to pre-calibrated parameters; calculating the clearance distance from each blade tip to the fan tower; and filtering the clearance distances of the blades, calculating difference values of the clearance distances of the blades, and taking the maximum value in the difference values as the unbalance degree of the impeller. Through the dynamic compensation technology of multi-sensor fusion, the problem that the clearance distance measurement precision is affected by relative shaking of the blades and the tower drum is solved.

The invention discloses a 5G and Beidou fused vehicle positioning navigation system. The system comprises a multi-source heterogeneous positioning module; a high-precision map and a dynamic traffic information base; a self-adaptive multi-layer map matching module; the dynamic path planning module considers steering limitation and real-time position feedback; and a central information fusion and decision unit. According to the invention, multi-source heterogeneous positioning data such as Beidou / GPS, 5G positioning, high-precision IMU, a vehicle-mounted atomic clock and a barometric altimeter are fused, and a tight combination algorithm based on ESKF or a factor graph is adopted, so that the system can realize accurate positioning in an environment with good satellite signals, partial shielding and even serious loss. Continuous, smooth and high-precision vehicle state estimation can be output, particularly when the number of visible satellites is insufficient, double-satellite positioning can be achieved by using the vehicle-mounted atomic clock to predict the clock error and combining the elevation constraint of the barometric altimeter, and the usability and robustness of positioning are improved.

The invention belongs to the technical field of GNSS positioning, and particularly relates to a system and a method for GNSS indoor positioning, the system comprises at least one GNSS positioning gateway, at least one POI, at least one group of indoor wired communication links and an indoor positioning terminal.The GNSS positioning gateway is used for receiving a plurality of satellite positioning signals through an outdoor GNSS antenna and transmitting the satellite positioning signals to the indoor positioning terminal; the satellite positioning signals of different frequency bands are output through different corresponding output interfaces; the different POIs are used for receiving satellite positioning signals of different frequency bands through the input interfaces respectively, coupling the satellite positioning signals of all the frequency bands and then transmitting the coupled satellite positioning signals through respective indoor wired communication links; the indoor wired communication link is composed of a feeder line, an indoor distribution antenna and / or a leaky cable, and is used for realizing differential propagation paths of satellite positioning signals of different frequency bands; and the indoor positioning terminal is used for acquiring the multi-band satellite positioning signals through the differentiated propagation paths and carrying out positioning calculation based on the multi-band signal characteristics. According to the invention, the positioning convergence rate is improved.

The invention relates to the field of satellite signal receiving, in particular to a satellite positioning signal receiver which comprises a receiver body, a tuner arranged on the receiver body, an adjusting mechanism arranged on the receiver body, a receiver support arranged on the adjusting mechanism and a base arranged on the receiver support. According to the invention, through cooperation of a threaded sleeve and a threaded connection hole, a connection groove and a second connection sleeve are tightly attached, a wire core of a signal wire harness is fully connected with a connection sheet, and through cooperation of a supporting spring, the stability of connection between the signal wire harness and the connection sheet is enhanced; the signal interruption caused by poor contact is avoided, the protective sleeve is firmly clamped through the guide block, the waterproof and dustproof performance of the joint area is improved, and under the action of the limiting strip and the first limiting sliding groove, the problem that the connection between the threaded sleeve and the threaded connection hole is loosened due to the fact that the signal wire harness is twisted due to angle adjustment of the receiver body is prevented.

The invention belongs to the technical field of road traffic management, and discloses a highway network vehicle running track operation method and system and a computer storage medium, and the method comprises the steps: collecting the running track data of a target vehicle based on satellite positioning; generating space vector information based on the moving trajectory data; on the basis of traffic characteristics of a road, encoding the moving trajectory data by using the spatial vector information to obtain a trajectory point vector code with a direction and a trajectory basic line segment code; according to the track point vector code and the track basic line segment code, executing preset road space vector operation to obtain an operation result; and constructing a road topological space according to the operation result so as to judge a road space relationship by utilizing the road topological space. According to the method, road space point locations, space relation judgment between road sections, road alignment study and judgment and the like can be realized based on operation, and the geographic position and the space relation of the road can be reflected more accurately.

A method for controlling a movable platform, comprising: in an initial stage of a movable platform, in response to a first type of positioning information of the movable platform at a starting position for movement being available, storing the first type of positioning information of the movable platform at the starting position for movement as positioning information of the starting position for movement of the movable platform, a time for obtaining the first type of positioning information of the movable platform at the starting position for movement being shorter than a time for obtaining satellite positioning information of the movable platform at the starting position for movement (S111); in response to the movable platform having stored the first type of positioning information of the movable platform at the starting position for movement as the positioning information of the starting position for movement of the movable platform, outputting first indication information, the first indication information being used for indicating that the movable platform has stored the positioning information of the starting position for movement of the movable platform (S112). The present method improves the movement efficiency and user experience of the movable platform.

The invention discloses a Beidou / GNSS differential service fault analysis method and system, and relates to satellite positioning. The method comprises the following steps: carrying out pseudo-range single-point positioning on Beidou / GNSS observation data to obtain a general position; reporting the approximate position to a Beidou / GNSS differential service platform to request Beidou / GNSS differential data of the current position; carrying out observation data quality analysis on the Beidou / GNSS observation data, wherein observation data quality analysis indexes comprise an integrity rate, a satellite number, a carrier-to-noise ratio, multiple paths, pseudo-range noise, carrier noise, a cycle slip ratio and a PDOP value; differential data quality analysis is carried out on the Beidou / GNSS differential data; rTK calculation is carried out on the Beidou / GNSS observation data and the Beidou / GNSS differential data; calculating a troposphere residual error and an ionosphere residual error; and performing fault detection according to the data. Aiming at the problem that Beidou / GNSS differential service fault positioning precision is low in the prior art, accurate identification and positioning of differential service faults are realized.

The invention discloses a railway ballast unmanned inspection robot for train coupler state recognition, and can be applied to the technical field of railway automatic detection. According to the invention, the satellite navigation receiving antenna in the railway ballast unmanned inspection robot receives the satellite positioning data of the railway ballast unmanned inspection robot, and the inertial measurement unit detects the position attitude data of the railway ballast unmanned inspection robot in real time; after a first camera collects a real-time sky image of the position where the ballast unmanned inspection robot is located in real time, a processing unit carries out position analysis according to the satellite positioning data, the position posture data and the real-time sky image to obtain the target position of the ballast unmanned inspection robot, and the inspection positioning precision of the inspection robot can be effectively improved; and after the real-time coupler image of the front train is collected in real time through the second camera, the coupler connection state information of the front train is obtained through analysis of the processing unit, and the train coupler state recognition accuracy and recognition efficiency of the inspection robot can be improved.

The invention relates to the field of gene detection, and particularly discloses a gene detection device and method applying Beidou satellite positioning, and the device comprises a sample collection and preprocessing module which is used for obtaining a body fluid or tissue biological sample of a user, and carrying out cell lysis, DNA / RNA extraction and purification operation on the sample; the gene sequencing analysis module is connected with the sample collecting and preprocessing module and is used for performing gene sequencing on the purified nucleic acid sample and identifying gene variation information related to tumors; the high-precision positioning capability of the Beidou system is utilized to obtain the environmental parameters of the geographic position of the user in real time, then the genetic variation data and the regional environmental carcinogenic factors are subjected to weighted fusion analysis through the risk assessment algorithm, and finally a highly personalized detection report is generated. In this way, the detection result can truly reflect the specific influence of the external environment on the individual health, and the accuracy and practicability of the report are remarkably improved.

The invention relates to the technical field of satellite positioning, and discloses a positioning detection method and system, electronic equipment, a storage medium and a program product. The method comprises the following steps: acquiring carrier-to-noise ratio data corresponding to each satellite in a plurality of satellites on which a positioning system performs positioning; acquiring ground noise signal data of the positioning system under the condition that the positioning effect of the positioning system is determined to meet a preset condition based on the carrier-to-noise ratio data; performing data processing on the ground noise signal data to obtain fluctuation characteristic data of the ground noise signal data; and obtaining a positioning detection result of the positioning system based on the fluctuation characteristic data. Through the method, the accuracy and effect of positioning interference detection can be improved.

The invention relates to a method for generating navigation streams carried in a vehicle communication network, comprising generating (201) N navigation streams from data from at least one satellite positioning system, N being an integer greater than or equal to 2, and generating (202) a synthesis stream from the N navigation streams, wherein, if at least one of the N navigation streams is invalid, the generated synthesis stream includes a predefined value. The N navigation streams and the synthesis stream are then transmitted (203) in the vehicle communication network. FIG. 2

The present application belongs to the technical field of digital twinning, and particularly relates to a three-dimensional digital twinning construction and virtual inspection method for conic landforms. The method comprises: synchronously collecting multi-station site cloud data and multi-station hyperspectral image data when a Beidou satellite positioning system second pulse signal is received by a hardware synchronous trigger through joint calibration of a support; registering the multi-station site cloud data based on a high reflectivity spherical target to obtain a conic landform global point cloud, and mapping the multi-station hyperspectral image data to the conic landform global point cloud based on an external parameter matrix to obtain a conic landform spectral point cloud; initializing and iteratively optimizing a three-dimensional Gaussian ellipsoid set from the conic landform spectral point cloud to obtain a conic landform three-dimensional Gaussian ellipsoid digital twinning model. The present application realizes hardware-level synchronous collection and high-precision fusion of multi-source sensor data, and through a three-dimensional Gaussian ellipsoid expression form, the geometric precision and spectral attribute integrity of the model are taken into account.