378results about How to "Easy to compare and analyze" patented technology

The invention provides a depression risk screening system and method based on a virtual reality scene electroencephalogram signal. Under the stimulation of a virtual reality scene, real-time acquisition, processing and analysis of data are carried out on the electroencephalogram signal by an electroencephalogram acquisition system, and finally, a depression risk is screened by a data mining method. The system provided by the invention comprises a virtual reality induction system, a electroencephalogram signal acquisition system and a data analysis system; the virtual reality induction system is used for establishing different virtual reality scenes; the electroencephalogram signal acquisition system is used for acquiring the electroencephalogram signal of a human brain, which is generated under the stimulation of the virtual reality scene and is continuously changed, and outputting the processed electroencephalogram signal and extracted real-time feature information; the data analysis system has a classification discrimination model trained by labeled healthy populations and depression risk populations, compares feature information required in a depression screening process with feature parameters of the classification discrimination model, and distinguishes and discriminates the healthy populations and the depression risk populations.

The invention discloses an X-ray pulsar navigation embedded simulation system based on a semiconductor laser, which comprises a data simulation unit, a photon emission unit, a photon detection unit and a navigation test unit. The data simulation unit simulates X-ray pulsar radiation signal data, and sends the X-ray pulsar radiation signal data to the photon emission unit; the photon emission unit uses simulation data to modulate light intensity of a laser modulation laser, and radiate lasers to the atmosphere; the photon detection unit receives the lasers of the photon emission unit from the atmosphere, filters non-laser spectra components in background sunlight, and sends the received lasers to the navigation test unit after carrying out counting on the received lasers; and the navigation test unit carries out noise elimination, pulse profile accumulation, pulse arrival time measurement treatment on the data of the photon detection unit, and utilizes time measurement data to carry out a navigation test. The invention can provide a complete simulation experiment platform for obtaining navigation signals, signal processing, time synchronization and navigation design verification of navigation signals.

The invention discloses an electric polling drone system. The electric polling drone system comprises a drone, a ground measurement and control station, a data communication link system and a ground data processing system, wherein the drone is used for collecting and obtaining electric line polling data, the ground measurement and control station is used for monitoring and controlling the flight state in the flight process of the drone, piloting the drone, controlling the data obtaining mode of a sensor, and preliminarily processing the data obtained in flight, the data communication link system is used for guaranteeing data communication between the ground measurement and control station and the drone, and the ground data processing system is used for processing later data and is a storage and application system. By means of the electric polling drone system, the drone is adopted to poll an electric line, the electric line can be polled without the limit of geological conditions, thesafety is high, the speed is high, the efficiency is high, the defect of artificial polling is overcome, and the application prospect is good.

The invention discloses a device for integrated collection of stress and displacement of surrounding rocks, which comprises a spherical body, a casing pipe, a steel wire and an optical cable, wherein a threaded hole is formed by drilling along one diameter of the spherical body; a fiber bragg grating is adhered along six different directions in the spherical body respectively; one end of the steel wire is fixed on the spherical body; and one end of the optical cable is connected with the fiber bragg gratings in the spherical body. According to the device and the method for integrated collection of stress and displacement of surrounding rocks disclosed by the invention, three-dimensional stress of a point can be calculated by measuring stresses in six directions of the point, and stress and displacement can be simultaneously measured in one drill hole, therefore, not only comparison and analysis are convenient, but also accuracy of a test result is ensured as mutual interference among a plurality of near-distance drill holes is avoided, and meanwhile, workloads of the drill holes are decreased; the fiber gratings are not influenced by electromagnetic, humid and corrosive environments, and the spherical body is sufficiently contacted with the surrounding rocks as well as with slurry poured in the holes, so that accuracy and reliability of stress measurement result are guaranteed; furthermore, the spherical body is fixed in surrounding rock holes in a way that slurry is poured into the surrounding rock holes, looseness of the spherical body is avoided, as a result, a wrong displacement test result is prevented.

The invention discloses a real-time monitoring method for growth characters of tea trees in intensive cultivation. The method comprises the following steps: performing real-time data acquisition by a tea tree living body growth character data acquisition device based on online location, transmitting the acquired data to an artificial comprehensive management center through a wireless communication way to process, wherein the acquired data comprises current location data acquired by a locating mechanism, fresh tea leaves spectrum data acquired by a high spectrum imaging sensor, and average growth height of fresh tea leaves measured by an ultrasonic wave sensor, and judging the best fresh tea leaf picking time based on that the data and a picking judgment model established off line are combined by the artificial comprehensive management center. The picking judgment model comprises a bud size growth measurement model based on average growth height, a yield correlation model and a quality correlation model based on the high spectrum image data. The real-time monitoring method for the growth characters of the tea trees in intensive cultivation is beneficial to realizing of intensive cultivation and automation in planting of the tea trees.

The invention relates to the technical field of biology, in particular to an antigen chip used for detecting human parasites antigens in serum and a preparation method thereof. The invention spots antigen array of parasites which are seriously harmful to human body, Schistosoma, Lung fluke, Clonorchis sinensis, Cysticercosis, Sparganum mansoni, Trichina, Angiostrongylus cantonensis, Toxoplasma gondii, and the like, on a solid phase membrane carrier, and specific gamma immunoglobulin (IgG) of human parasites in serum is detected by a specially made vertical flow chip detect device, and the detecting marker is colloid gold second antibody conjugate or colloid gold protein A conjugate of fresh color. IgG antibodies in serum specially bind with the antigens on the membrane in percolation process layer upon layer, and human IgG which specially binds with the antigens is detected by the colloid gold marker. Detecting of a plurality of parasites antigen indexes in serum sample can be finished within several minutes. The device and the method have the advantages of high throughput, simple operation, convenient use and being suitable for parasitic diseases clinical test and serum-epidemiological investigation.

The invention relates to an in-situ testing method for deep underground engineering during a rockburst preparation and evolution process. The method comprises the following steps of excavating test branch tunnels, designing and laying testing bore holes, and selecting and testing test items. In the method, before excavating the test tunnels, monitoring bore holes and a testing sensor are preset and pre-embedded respectively along the direction of the test tunnels through the test branch tunnels; by adopting the combined in-situ testing method, variation characteristics of elastic waves, cracks, deformation and energy release rate of surrounding rock at monitored section areas of the test tunnels can be directly and continuously obtained in real time and in situ; and in-situ information of the test tunnels during the whole process of rockburst preparation and evolution in the case of excavation is obtained by testing, and comprehensive precursory rockburst basic data is acquired. The in-situ testing method of the invention is concise in technical scheme and reliable in testing instrument and can ensure comprehensive acquisition and comparative analysis of rock mass information during the rockburst preparation and evolution process; and the method can be widely applied to deep underground rock excavation engineering such as an underground testing ground, water conservancy and hydropower, traffic, mine and the like.

The invention discloses a construction method for a next-generation sequencing library based on a single-stranded connector and application thereof. The method comprises the following steps: (1) carrying out denaturation on a double-stranded DNA (Deoxyribonucleic Acid) or RNA (Ribonucleic Acid) / DNA heterozygote segment to generate single-stranded DNA; (2) connecting one single-stranded connector with a 3' end of the single-stranded DNA; (3) extending the single-stranded DNA connected with the single-stranded connector by utilizing DNA polymerase to generate double-stranded DNA; (4) connectingthe other end of the double-stranded DNA with a T connector or a Tn5 label connector; (5) carrying out PCR (Polymerase Chain Reaction) amplification on the double-stranded DNA with two ends connectedwith the connectors to form a DNA library capable of sequencing of a next-generation sequencing technology. The method disclosed by the invention can be used for constructing the next-generation sequencing library and determining a DNA sequence and also can be used for identifying a chromatin open region, carrying out gene expression detection, carrying out trace nucleic acid amplification and thelike; the method is a novel method which belongs to the field of nucleic acid detection and analysis and has various functions and wide application value.

The invention relates to a method for monitoring and analyzing the own health status of a wireless sensor network. The method comprises the steps: A, allocating 50 sensor nodes and 1 convergence node in a monitoring region; B, storing, and then transmitting to clients through the internet in a multicast mode; and C, analyzing the own health status of the wireless sensor network. In addition, commands can also be sent to each node through a server by using the clients and mobile telephones to adjust the status of the network. The invention has the advantage that the server can obtain various status information of the remotely-monitored region through a mobile communication network or trunk nodes, and simultaneously transmit the status information to multiple clients through the internet in the multicast mode after the analysis and storage processing, and therefore, users can observe the own health status information of the current wireless sensor network after the status information is visualized through the clients.

The invention discloses a fabric surface defect detection machine set, and a detection method based on the fabric surface defect detection machine set. The fabric surface defect detection machine set comprises a machine frame, a feeding roller assembly, a foreign matter removing device, a flattening device, a deviation correcting device, a drawing roller assembly, a wrinkle removing device, an industrial camera, a marking machine, and a coiling machine. According to the detection method based on the fabric surface defect detection machine set, before detection, impurity removing, flattening, deviation correcting, and wrinkle removing are adopted so as to conveying flat fabric into a detection zone steadily; the fabric surface defect detection machine set can be used for on-line detection of fabric surface, increasing fabric surface detection efficiency and fabric detection result accuracy.

The invention belongs to the technical field of project cost management. A field cost monitoring system based on a three-dimensional model comprises a BIM model device, a BIM system information database, a monitoring management platform and a cost real-time monitoring module. The BIM model device is used for generating a BIM model through modeling software; the BIM system information database is used for collecting project data information in the project initiation stage, the project preliminary design stage, the construction stage and the settlement stage; the monitoring management platform is used for BIM calculation, list management and list lifting management of the project site cost. The cost real-time monitoring module is used for connecting with the monitoring management platform and tracking the construction situation of the project in real time. The invention can effectively integrate the cost information of the engineering project together to realize the intercommunication and sharing of the information, is able to update cost plan and adjust cost control method in time; at the same time, the efficiency and precision of engineering calculation can be improved.

The invention discloses a method for a geosynchronous orbit synthetic aperture radar to continuously observe a coverage area. The method comprises the steps of firstly, determining an orbit segment, meeting observation application requirements, of a satellite according to the longitude and latitude of an area to be observed, calculating the distance between the satellite to a target area in the selected orbit segment, when the beam of an antenna points to the target area, taking the coordinates of the target under an antenna coordinate system as coordinates A and the coordinates of the target under a geocentric fixed coordinate system as coordinates B, transferring the coordinates A and the coordinates B into the same coordinate system so that the expressions of the coordinates A and the coordinates B contain a control variable for realizing beam pointing, and then obtaining the desired controlled quantity by equating the coordinates A with the coordinates B under the same coordinate system. The satellite pitching-rolling combined implementation model of the method is not limited by the scanning capacity of the antenna and sall in attitude control angle, and therefore, continuous observation, by the geosynchronous orbit synthetic aperture radar, to a ground fixed target area, can be realized.

The invention relates to a multi-user multi-parameter wireless detection, diagnosis, service and monitoring system which comprises a detection terminal and a medical establishment central processing terminal connected to the detection terminal through a network, wherein the detection terminal comprises a patient information reading module, a measuring module and a first transmission module. The first transmission module transmits patient physiological data measured by the measurement module to the medical establishment central processing terminal through the network. The medical establishment central processing terminal comprises a central analysis and diagnosis database and a second transmission module, and the second transmission module transmits data between the first transmission module and the central analysis and diagnosis database. The detection terminal further comprises an output module which is at least used for outputting inspection reports. According to the multi-user multi-parameter wireless detection, diagnosis, service and monitoring system, data transmission between the detection terminal and the medical establishment central processing terminal is utilized to achieve remote medical service, so people can more conveniently enjoy the medical service, and time and places for the medical service are more flexible.

An optimized scheduling method based on a particle swarm optimization algorithm and used for a multi-lift-car elevator cluster includes the following steps that passenger flow information is generated through a passenger flow generator, wherein the passenger flow information is a hall layer elevator calling signal; parameter initialization is conducted, wherein parameters include the parameters including cluster size, the iteration number and the like of the adopted particle swarm optimization algorithm and the comprehensive evaluation function determined according to elevator running information; optimized calculation is conducted through the particle swarm optimization algorithm, the optimal solution is obtained through the limited times of iteration, and the optimal elevator dispatching scheme is determined; and the elevator dispatching scheme is converted into a control signal, elevator calling signals are reasonably distributed for all elevators, operation of all the elevators is coordinated, and therefore optimized scheduling of the elevator cluster is achieved. Because the update strategy of the global extremum is improved in the scheduling algorithm, optimal particles which are evenly distributed are obtained, the algorithm convergence and the scheduling performance are improved, meanwhile, it is avoided that the danger of collision may happen when lift cars run in the same shaft, and running safety of a whole elevator system and validity of the scheduling algorithm are ensured.

The invention discloses an equivalence coefficient method of vehicle structure fatigue damage calculation under combined road conditions. The method includes the steps of firstly, testing the stress load of a vehicle structure under selected combined road conditions and compiling a load spectrum; secondly, calculating vehicle damage value under each road condition; thirdly, according to the damage equivalence principle, using one road condition as reference to calculate the equivalence coefficients of vehicle structure damage under other road conditions; fourthly, using the equivalence coefficients to adjust the combined road conditions according to users' needs, and analyzing corresponding vehicle structure damage. The method has the advantages that the method is based on established fatigue load test data, and the equivalence relation of fatigue damage of each road surface can be conveniently and accurately determined during automobile fatigue durability research; mileage recombination can be performed in road tests according to users' application requirements and targets; fatigue damage value of vehicles can be estimated, and comparative analysis of fatigue damage can be performed conveniently.

The invention discloses a variable position simulation experiment platform system for a cross fire on a multi-lane highway tunnel, comprising a highway tunnel simulation platform to simulate a fire inany cross position on a multi-lane highway tunnel, and a test system; a simulated fire may move across a rail and may be fixed; the test system includes fuel mass loss, tunnel interior temperature field and wind speed test systems and experimental process images. The system of the invention can simulate a fire occurred in any cross position of a multi-lane highway tunnel; platform section shape,fuel type, fire scale, coating layer heat-insulating layer, height between a fire and the floor of the tunnel and other data are set according to related theories based on actual tunnel conditions, confidence level and accuracy are ensured, and the defects of all-size fire experiments are avoided. The system can also provide real-time fire process all-data recording and is significant to the development and improvement of highway tunnel and even railway tunnel operations and fire rescue evacuations.

The invention discloses a vector signal analyzer, relating to the communication technology. The vector signal analyzer comprises that: a radio frequency front splitting module used for dividing received signals into at least two paths of same signals; an analog signal processing module used for carrying out radio frequency / microwave processing and analog-to-digital conversion on each path of the signals; a digital signal processing module used for respectively carrying out spectrum analysis and signal demodulation analysis on each path of digital signals output by the analog signal processing unit. According to an embodiment of the invention, the radio frequency front splitting module divides the received signals into at least two paths, and carries out radio frequency / microwave processing and analog-to-digital conversion on each path of the signals, the digital signal processing module respectively carries out spectrum analysis and signal demodulation analysis on each path of the digital signals, thus a frequency spectrum measuring function and a signal demodulation analysis function are carried out simultaneously, synchronism of each analysis result is good, and comparison and analysis by operation personnel are facilitated.

The invention discloses a device for data acquisition of fertility characteristics of a tea tree living body based on online positioning. Four vertical supporting rods (2) are arranged on four corners of a rectangle covering the tea tree plantation zone; a colored mark (3) is arranged at the top end of each supporting rod; a guide rail (1) is arranged on each of the two long sides of the rectangle; four pulleys and a motor (20) used for driving the supporting rods are arranged at the bottom of a frame (5); an omnibearing visual sensor (9) is fixed onto a tripod (12) arranged at the top end of the frame; a computer (7), a storage battery (8), an ultrasonic sensor (16) and a wireless transmitter (14) are further arranged on the frame; a hyperspectrum sensor is also arranged at the top of the frame; the device for data acquisition of fertility characteristics of the tea tree living body based on online positioning has the characteristic of high automation degree, so as to provide infrastructure for fine plantation of tee trees.

Disclosed is a method for preparing an aromatic hydrocarbon by direct conversion of methane, comprising the following steps: a catalyst is placed in one reactor, at the same time, a mixed gas of CH4 and an alkylating agent is introduced for reaction, thus implementing coupling of two reactions to acquire the aromatic hydrocarbon. The beneficial effect of the present invention is such that: the present invention is capable of increasing significantly the conversion rate of methane and the yield of the aromatic hydrocarbon, inhibiting the generation of an oligomeric polycyclic aromatic hydrocarbon, and extending the service life of the catalyst. The method of the present invention allows for reaction within 30 minutes and keeps the conversion rate steady between 25% and 45%. When the reaction time reaches 1200 hours, the conversion rate is kept steady, while the catalyst still remains active. An anaerobic aromatization reaction of methane and an alkylation reaction of the aromatic hydrocarbon are conducted simultaneously, thus implanting heat coupling. The temperatures, space velocities, and raw materials of the two reactions are coordinated within a certain scope. The types of post-reaction products remain unchanged, thus facilitating analysis and comparison. Benzene and toluene are consumed in the reactions, while xylene and mesitylene are generated, which are of higher values.

The invention discloses a gas station safety identification system based on video analysis. The system comprises a video monitoring system, an alarm system, a safety management system, an environmentsensing system and a communication module. The video monitoring system, the alarm system, the environment sensing system and the communication module are all in wireless connection with the safety management system. The beneficial effects of the gas station safety identification system are that: the environment sensing system and the video monitoring system are arranged, each region picture and the ammonia gas content, temperature, humidity, smoke and smoke and fire conditions of the surrounding environment can be conveniently monitored in real time; a comparative analysis module and a video analysis module are used; comparison and analysis of surrounding environment parameters are facilitated; meanwhile, whether an abnormal event occurs or not is judged through the video analysis module,an analysis result is transmitted to the central data processing module, and when data is abnormal, the central data processing module controls the corresponding alarm module technology to give an alarm, so that multidirectional safety detection of the gas station is facilitated, and the accident probability is reduced.

A comparative analysis system allows independent management of definition of dimensional members of a multi-dimensional model. A user can select dimensional members of interest and at least one operator to manipulate the selected members based on the selected operator. The system manages placement of the selected members in a report so that the selected members are displayed adjacently based on the operator to facilitate comparative analysis.

The invention provides a comprehensive evaluation system of an industrial boiler energy saving scheme and a construction method thereof. The comprehensive evaluation system comprises three phases which are an early stage, a medium stage and a later stage, wherein in the early stage, indexes are established and weight distribution is performed; in the medium stage, fuzzy comprehensive evaluation of the step-by-step indexes is performed and a high-grade comprehensive evaluation result is output; and in the later stage, comprehensive evaluation system software is used to output an assessment result. By using the set of comprehensive and integrated evaluation system, an industrial boiler energy saving scheme is comprehensively evaluated from aspects of safety, energy saving, economy, generalizability and the like. An existing limitation of qualitative evaluation from a single aspect of energy saving is broken through, and a multi-element evaluation index model in which qualitative and quantitative evaluations are combined, a technology and a market are combined, and safety and energy saving are combined is formed. Through research, an evaluation standard of each index required by the evaluation system is determined; for different types of technologies or products, quantification is performed; human factors which influence the evaluation are reduced to a minimum so that an energy saving technology evaluation system becomes objective, scientific and reasonable; and sound development of industrial boiler energy saving technology industrialization is promoted.

The present invention provides a three dimensional modeling and optimizing reappearance method of the bicycle collision accident in the traffic field, and the steps include: (1) establishing a three dimensional model of a bicycle and a rider; (2) confirming the touching relationship between the bicycle and the rider; (3) establishing a collision simulating model of the accident condition, the accident car, the bicycle and the rider; (4) confirming the coordinate of centroid position where a car stops, the coordinate of the centroid position where the bicycle stops, the coordinate of the fall point of the buttocks of the rider; (5) confirming an optimizing design variable, a restriction condition and an optimizing object function; (6) conduct optimizing evaluating on the presented objective function by transferring the optimization algorithm; (7) after the repetitious optimization circular calculations, judging the astringency of the objective function and whether the optimum solution is gotten. The present invention improves the calculation exactness, reduces the error and the uncertainty caused by artificial intervention, can conduct reappearance analyzing on the collision accident of the car and the bicycle correctly.

The invention discloses a method for manufacturing a transparent rock model structure face test piece. The method comprises the following steps that 1, a protolith structural face is manufactured; 2, the structural face is placed in a stainless steel mold; 3, a silica gel opposite model of the protolith structural face is manufactured; 4, transparent epoxy resin is weighed and placed in a container; 5, a curing agent is added into the container in the step 4, and bubbles in the stirred mixed solution are removed through light vibration in the vacuum negative pressure environment; 6, the silica gel opposite model manufactured in the step 3 is placed in the mold in the step 2; 7, the mixed solution prepared in the step 5 is slowly poured into the mold in the vacuum negative pressure environment, and pouring is stopped after the solution reaches a certain position; 8, a transparent epoxy resin cube body custom-made in a factory is placed in the mixed solution which is not cured, the two parts are horizontally bound, and a simulation structural face capable of being used for a rock visualization experiment is obtained. The fine surface form of the structural face is effectively and truly reflected, and good transparency and repeatability are achieved.

The invention discloses a comprehensive management platform for hospital nursing, which relates to the technical field of medical information research. The comprehensive management platform for hospital nursing comprises a nursing document management subsystem, a nursing scheduling management subsystem, a nursing shift turnover management subsystem, a nursing mobile management subsystem, a nursingquality management subsystem, a nursing whiteboard management subsystem, an adverse event whole process management subsystem, a nursing pressure sore management subsystem, a nursing management cockpit subsystem and a nursing performance management subsystem. According to the comprehensive management platform for hospital nursing, electronic informationization of all routine nursing work can be realized, and management is more convenient, accurate and effective. The existing process of the hospital is improved and sorted, a patient-centered modern hospital management mechanism is built, the nursing efficiency and the work quality are improved, the medical quality is improved, and the credibility and the authenticity of hospital information are enhanced.

The invention relates to a tumor pathological image display station. Through a rectangular track formed by a set of elliptical tracks and longitudinal tracks connected therebetween, display boards canbe freely switched between the elliptical tracks and the longitudinal tracks, and the lower ends of the display boards are provided with pushing plates; the positions of driving rods on a driving belt and the positions of pushing rods on a guide belt in the vertical direction are changed, so as to drive the pushing plates to drive the display boards to be switched between the elliptical tracks and rectangular track respectively; a large fluted disc is meshed with two sets of first incomplete gears, a second incomplete gear is meshed with a rack through a second gear, and the elliptical tracksand the rectangular track are separated by the rack; a driving device provides power input and reversing action, the structure is clever, the operation is simple, the elliptical track show images tomore people, facilitating observation and analyzing of the details of the images, the rectangular track allows repeated flip of the display boards, facilitating comparative analysis; the display effect is good, and the accuracy of medical staff for tumor pathological diagnosis is improved.

The invention discloses a closed underground water solute migration simulation experimental device which comprises a liquid supply unit, a parallel experimental unit, a liquid waste recovery unit, a closed combined cabinet and a waste gas recovery unit, wherein the liquid supply unit provides a solution for the parallel experimental unit, and the flow of effluent or a water head can be controlled; the parallel experimental unit is used for an underground water solute migration simulation parallel experiment, and the experimental solute migration process is monitored through sampling; and the liquid waste recovery unit is used for recovering wastewater generated by the experiment. A closed space is formed by the closed combined cabinet, toxic volatile polluted solute gas is prevented from diffusing, the waste gas recovery unit is used for collecting volatile solutes in the experimental process, and atmospheric pollution is avoided. The experimental device disclosed by the invention is suitable for a simulation experiment of volatile or semi-volatile polluted solutes and has the characteristics of sustainability and high stability. Meanwhile, the experimental equipment is simplified, the experimental cost is saved, and the uniformity of the water head or flow conditions during the parallel experiment is guaranteed, so that comparative analysis of the parallel experiment results is facilitated.

An optimizing method for the colliding accident of car-human based on the three-dimensional multi-steel model. The process: (1) make the three-dimensional multi-steel mathematical model of the car, the human and the environment; (2) determine the centroid position coordinate of the car stopping and the coordinate of the human buttocks; (3) determine the optimizing design variable, the limiting condition and the optimizing object function; (4) resolve the giving object function by the optimizing arithmetic; (5) determine the astringency of the function after computing. The invention has decreases the reappearance time, the error and the indeterminacy by man-made interference.

The invention discloses a power safety monitoring system based on data acquisition. The power safety monitoring system comprises a monitoring unit, a processor, a data analysis module, a security evaluation module, a database, an alarm unit and a smart device, wherein the monitoring unit is configured to monitor real-time data information that includes real-time power data information and real-time device data information, the real-time power data information includes real-time current data and real-time voltage data, and the real-time device data information includes real-time device locationdata and a real-time device connection line. By means of the data analysis module, the power safety monitoring system analyzes the interior and the exterior of the device connection line so as to analyze the influence of a change in the device connection line, analyzes the potential safety hazards of the device and the human body from the interior and the exterior of the device, enhances the safety of workers and the device, and timely detects of the existence of potential safety hazards, and improves work efficiency.

The invention discloses an archaeological excavation data based relic site early terrain three-dimensional reconstruction method. The method includes steps: (1) partitioning a relic site, determiningminimum region units, numbering regions, and taking each minimum region unit as a basic recording unit; (2) subjecting the relic site to classifying space calibration, correcting relic space information sorted on the basis of excavation data into region cells, linking with the region units according to space positions, and performing statistics of depth of relics in the cells away from the groundsurface; (3) taking the ground surface close to excavation time as a starting surface to calculate depth of underground relic units by subtracting height, recorded in excavation data, of relics in certain time away from the ground surface from elevation of the starting surface; (4) taking center points of the minimum region units as elevation recording points and taking elevation values of relic units as elevation values of the minimum region units, using dispersed minimum region unit elevations to deduce ancient surface configuration in relic time, establishing a relic site early terrain three-dimensional model, and visualizing. The archaeological excavation data based relic site early terrain three-dimensional reconstruction method is scientific, effective, direct and accurate, is not only helpful to archaeological excavation data mining and using but also has a great promoting and assisting effect on archaeological site environment and layout research, thereby being significant to archaeological excavation data standardization, digitization, visualization and deep mining.