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47results about How to "Increase real effectiveness" patented technology
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Method and device for processing false user recognition, equipment and storage medium
InactiveCN109413103AEfficient identificationIncrease real effectivenessTransmissionSecurity arrangementIp addressData traffic
The application provides a method and device for processing false user recognition, equipment and a storage medium. The method for processing the false user recognition comprises the following steps:obtaining equipment fingerprint information and IP address information of a user; and determining the user corresponding to the equipment fingerprint information to be a false user if the equipment fingerprint information corresponds to the IP addresses of at least two regions in a first preset duration. The judgment is carried out according to the equipment fingerprint information and IP addressinformation of the user; and if the equipment fingerprint information corresponds to the IP addresses of at least two regions in the first preset duration, the user corresponding to the equipment fingerprint information is determined to be a false user; therefore, the false user can be effectively recognized, false traffic can be reduced, and the true validity of data traffic can be improved.
Owner:TAIKANG LIFE INSURANCE CO LTD +1
Method, system and device for internet data preservation
InactiveCN107070939AIncrease legitimacyImprove usabilityDigital data protectionTransmissionThe InternetAuthentication server
The invention discloses a method, a system and a device for internet data preservation. The method comprises the steps of obtaining to-be-preserved data submitted by a user and generating preservation verification information of the to-be-preserved data; generating storage electronic certificate information combination based on the to-be-preserved data and user information; sending a filing information combination including the preservation verification information, the storage electronic certificate information combination, user identification information and a preservation receipt code to an authentication server; obtaining a preservation electronic certificate which is generated and returned after the preservation verification information is filed successfully based on the filing information combination by the authentication server; and storing the to-be-preserved data, the storage electronic certification and the preservation electronic certificate. According to the method, the system and the device for internet data preservation, data issued by the user or obtained from the internet can be stored and preserved, the reliability of electronic evidences can be improved, and the electronic evidences can be stored and used conveniently.
Owner:国信嘉宁数据技术有限公司
Firewall system stability test method based on tester
The invention provides a firewall system stability test method based on a tester, and the method comprises the steps that a test control system issues a test instruction according to the model of a tested firewall system; the deployment of the firewall system on the firewall system is finished; the tester issues a test data message; the stability of the firewall system is tested; the firewall system sends result data of the stability test to the real-time monitoring system; the real-time monitoring system summarizes feedback data of the tester and result data of the firewall system; the test control system compares the summarized data with the matched test cases; and if the comparison result meets the expectation, a test report is output for performing manual verification. According to thescheme provided by the invention, the flexible and complex test of a real network environment is approached, the use efficiency of the tester is improved, the real effectiveness of data is improved,and the possibility that a firewall system goes wrong is greatly reduced.
Owner:NAT UNIV OF DEFENSE TECH
Method for checking correlation degree of carbon emission data of gas unit based on product difference analysis
ActiveCN109443423AIncrease real effectivenessReliable data sourceMeasurement devicesCorrelation coefficientAir volume
The invention discloses a method for checking the correlation degree of carbon emission data of a gas unit based on product difference analysis. The method comprises steps that firstly, real-time monitoring data of the carbon emission concentration of the gas unit is converted into instantaneous carbon emission data; secondly, a correlation coefficient between the intake air volume of the gas unitand the carbon dioxide emission volume is calculated through the product difference analysis method; and lastly, according to the correlation coefficient, rationality of correlation between the carbon emission monitoring data is determined, and abnormality of the carbon emission data is investigated. The method is advantaged in that calculation logic is simple, the method can be applied to onlinefield monitoring, abnormal monitoring data is timely discovered, field operating personnel is prompted to investigate a data fault, reliability of the carbon emission monitoring data of the gas unitis guaranteed from the source, moreover, the length of the correlation coefficient time period can be reasonably selected according to the update frequency of the field monitoring data, sample capacity requirements of product difference analysis are not only satisfied, but also the method can be applied to different business scenes such as abnormal data online detection early warning, data validity judgment and parameter correlation analysis.
Owner:JIANGSU FRONTIER ELECTRIC TECH +3
Locomotive wheel diameter detection method
ActiveCN104482870AAccurately reflectImprove reliabilityUsing optical meansEngineeringImage segmentation
The embodiment of the invention provides a locomotive wheel diameter detection method. The locomotive wheel diameter detection method comprises the following steps: projecting a first ray of light to a locomotive wheel tread to form a light-sectioning curve; acquiring a light-sectioning image comprising the light-sectioning curve; utilizing an image segmentation method to analyze the obtained light-sectioning curve image, so as to obtain the locomotive wheel diameter.
Owner:CHENGDU TIEAN SCI & TECH
Dynamic planning method for unmanned aerial vehicle path based on two-dimensional and three-dimensional integration
ActiveCN110488871AIncrease safety constraintsImprove dynamic programming efficiencyPosition/course control in three dimensionsPlanning approachThree dimensional integration
The invention provides a dynamic planning method for an unmanned aerial vehicle path based on two-dimensional and three-dimensional integration. The method comprises the steps of 1, carrying out oblique photography modeling on an unmanned aerial vehicle path planning area; 2, planning an initial unmanned aerial vehicle path and a height attribute value in a two-dimensional map window; 3, judging whether a waypoint in a three-dimensional map window is outside the ground object or not based on a GIS limiting surface analysis algorithm; 4, judging the intervisibility among the waypoints in the three-dimensional map window based on a GIS intervisibility algorithm; 5, judging whether the new waypoint is outside the ground object or not in the three-dimensional map window; and step 6, obtainingthe waypoint position and height attribute value of the unmanned aerial vehicle path in the two-dimensional map window. Compared with the traditional unmanned aerial vehicle path planning method, themethod provided by the invention can meet the safety requirement of the unmanned aerial vehicle path in a complex real environment on the one hand, and can greatly improve the unmanned aerial vehiclepath planning efficiency on the other hand.
Owner:CHUZHOU UNIV +1
High-voltage manifold element management system and method based on RFID
InactiveCN108681885AExtended service lifeAvoid overdue serviceCo-operative working arrangementsOffice automationElement management systemComputer terminal
A high-voltage manifold element management system based on RFID is disclosed. Data transmission is carried out between an RFID electronic tag and a reader-writer. The reader-writer and a computer terminal perform data interaction with a cloud server through an external network. The cloud server is connected with a VPN server through a VPN tunnel and a hardware firewall. The VPN server is connectedwith a background server. A host computer and the computer terminal access the background server through an internal network. Software comprises reader-writer operating software and computer terminaloperating software, wherein the reader-writer operating software inputs, stores and analyzes the state of the high-voltage manifold element, and the computer terminal operating software writes, modifies and sets the background of the management system. The invention demonstrates the specific application of the RFID technology in the management of the high-voltage manifold element to each high-voltage manifold element management department, so as to solve the problem of poor effect of manual recording and paper file establishment.
Owner:荆州市世纪派创石油机械检测有限公司 +2
Preserved data authentication method, system and device
InactiveCN106953877AImprove reliabilityIncrease real effectivenessTransmissionMaterial dataData Authentication Algorithm
The invention discloses a preserved data authentication method, system and device. The method comprises the following steps: receiving a user's authentication request aiming at preserved data, generating inspection material data according to the authentication request and the preserved data aimed by the authentication request, sending the inspection material data and an evidence-saving data package corresponding to the preserved data to an authentication server, receiving an authentication report successfully generated and returned by the authentication server according to the inspection material data and the evidence-saving data package, and providing the authentication report to a user. An electronic evidence capable of being preserved by the user can be authenticated, reliability and availability of the electronic evidence are improved, and convenience is provided for preservation and usage of the electronic evidence.
Owner:国信嘉宁数据技术有限公司
Access control system and method
InactiveCN107481362AImprove management efficiencyIncrease real effectivenessIndividual entry/exit registersElectricityPassword
The invention discloses an access control system and method. The system comprises an electric door lock, an access controller, a computer, a mobile phone and a control keyboard, wherein an output end of the access controller is electrically connected with the electric door lock and the computer, an input end of the access controller is electrically connected with an exit button, a swiping card identifier and a fingerprint identifier, the computer is in communication connection with the mobile phone through the network and connected with a cloud database through the internet, and an output end of the control keyboard is electrically connected with the input end of the access controller. Access information of authorized people can be recorded, stored and saved through the computer for inquiry; visitors can acquire the door opening passwords by inputting own mobile phone numbers, the mobile phone numbers of the visitors are saved by the computer, the authenticity and effectiveness of information registration of the visitors are greatly, the workload of registry is reduced, and the management efficiency of the visitors is improved.
Owner:ANHUI TAIRAN INFORMATION TECH PROJECT CO LTD
Identity authentication method, identity authentication device and identity authentication system
InactiveCN107241309AImprove accuracyIncrease the difficulty of authentication crackingTransmissionAuthentication systemCurrent user
The invention discloses an identity authentication method. The method comprises the following steps: S10, obtaining multi-angle facial feature information in multiple identity feature information of a current user; S20, verifying whether the multi-angle facial feature information is consistent with preset multi-angle facial feature information corresponding to a preset user; and S30, when the multi-angle facial feature information is consistent with the preset multi-angle facial feature information, passing the authentication of the multi-angle facial feature information in the multiple identity feature information. According to the identity authentication method, by means of the multiple authentication of the multi-angle facial feature information of the current user, on one hand, whether the current user face is the preset user is identified from multiple angles, thereby improving the identification accuracy and improving the authentication cracking difficulty; and on the other hand, whether the current user face is real and valid is identified.
Owner:PHICOMM (SHANGHAI) CO LTD
Block synchronization method and device, computer and storage medium
ActiveCN111209339AIncrease real effectivenessFinanceDatabase distribution/replicationComputer networkFinancial transaction
The embodiment of the invention discloses a block synchronization method. The method comprises the steps that first node equipment obtains a transaction block transmitted by second node equipment, andthe block head of the transaction block comprises the voting information of a plurality of core nodes and the attribute parameters of the block head; detecting the legality of the block head attribute parameter; determining a consensus result of the transaction block according to the voting information in the block head of the transaction block; If the block head attribute parameter is a legal parameter and the consensus result is a consensus success result, adding the transaction block into a transaction account book corresponding to the first node device. By adopting the method and the device, the real effectiveness of the synchronized blocks can be guaranteed, so that the accuracy of the service data is improved.
Owner:TENCENT TECH (SHENZHEN) CO LTD
Defrosting control method and device of evaporator and refrigeration equipment
PendingCN112179040AIncrease real effectivenessReduce the impactLighting and heating apparatusDefrostingRefrigeration plantEvaporator
The invention discloses a defrosting control method and device of an evaporator and refrigeration equipment. The method includes the steps that the temperature of the air inlet side of the evaporatoris monitored; after the temperature of the air inlet side reaches the preset frosting temperature, the air pressure of each area of the evaporator is monitored; the back side of the evaporator is divided into multiple areas; and according to the air pressure of each area, whether defrosting operation is executed for the area is determined. According to the defrosting control method and device of the evaporator and the refrigeration equipment, the air pressure change monitored by an air pressure sensor is used as a parameter for detecting the frosting degree, so that a unit is controlled to execute defrosting modes with different defrosting degrees. In addition, whether a heat exchanger is mixed with other sundries to influence heat exchange can be synchronously judged according to detection information such as a temperature sensing bulb and the like when the frosting temperature is not reached, and the true effectiveness of air pressure sensor detection is improved. The different areasof the evaporator can be defrosted accurately, and the influence of defrosting on the temperature of a storeroom is reduced.
Owner:GREE ELECTRIC APPLIANCES INC
Locomotive wheel diameter detection system
InactiveCN104406534AImprove reliabilityIncrease real effectivenessUsing optical meansImage segmentationOptoelectronics
An embodiment of the invention provides a locomotive wheel diameter detection system. The locomotive wheel diameter detection system comprises a controller, a first light ray projector, an image collection device and a processor, wherein first light rays are projected to a locomotive wheel tread by the first light ray projector to form light sectioning curves under the control of the controller; the image collection device collects light sectioning curve images comprising the light sectioning curves; and the processor analyzes the acquired light sectioning curve images with an image segmentation method, and the locomotive wheel diameter is obtained.
Owner:SOUTHWEST JIAOTONG UNIV +1
Log processing method and device
ActiveCN105786927AReduce redundancyIncrease real effectivenessSpecial data processing applicationsData mining
The invention discloses a log processing method. The method comprises the following steps: obtaining a first log packet; analyzing each log in the first log packet to obtain field information satisfying a preset condition; when N is an integer larger than or equal to 2, obtaining a first log from the first log packet, wherein the first log is a log in the first log packet; judging whether the field information of the first log is the same as the field information of a first sub-log to obtain a first judgment result; when the first judgment result indicates that the field information of the first log is the same as the field information of the first sub-log, obtaining a first log source and a first sub-log source, wherein the first log source is a log source of the first log, and the first sub-log source is the log source of the first sub-log; and determining whether to discard the first log or not according to the priority of the first log source and the priority of the first sub-log source. The invention further discloses a log processing device.
Owner:CHINA MOBILE COMM GRP CO LTD
A calculation method for customer viscosity evaluation of power sales company
InactiveCN109242281AImprove service qualityIncrease real effectivenessResourcesData miningEvaluation finding
The invention discloses a calculation method of customer viscosity evaluation of a power sales company. The method comprises the following steps: a plurality of indexes for an evaluation object are obtained, wherein the plurality of indexes include at least a plurality of first-level indexes and a plurality of second-level indexes located at a lower layer of the first-level indexes; according to the evaluation results of the second-level indicators, the membership degree of the second-level indicators to each evaluation result is determined; according to the subordinate degree of the second-level index which is located in the lower level of the first-level index, the single-factor evaluation matrix of the first-level index is constructed; the single factor evaluation matrix of the first level index and the weights of multiple second level indexes located at the lower level of the first level index are fuzzily calculated, and the evaluation vector of the first level index is obtained. the comprehensive evaluation matrix is constructed according to the evaluation vector of the first-level index; fuzzy operation is carried out on the comprehensive evaluation matrix and the weights ofmultiple first-order indexes, and the evaluation results of the objects are obtained. The invention also discloses a corresponding computing device and a readable storage medium.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING) +1
Information acquisition method and device
ActiveCN107025294AEnsure high consistencyIncrease real effectivenessWeb data indexingSpecial data processing applicationsUser groupInformation acquisition
The invention discloses an information acquisition method and device. In a specific implementation manner, the method comprises the steps as follows: operation information sent by terminals of multiple users are received; operation information, sent by the terminals of users in the same user group, in the operation information is determined; use condition information is generated on the basis of the determined operation information. Applications with different types of pages are sent to multiple user groups simultaneously, the high consistency of test conditions corresponding to users in the multiple user groups is guaranteed, the effects of external conditions such as winter and summer vacations, holidays and festivals and the like on analysis of use conditions of the applications with different types of pages are effectively avoided, and authenticity and validity of analysis results obtained through analysis of the use conditions of the applications with different types of pages are improved effectively. The applications are only required to be issued once, new types of pages are automatically generated by sending adjustment information to the terminals, and the use conditions of the applications with the new types of pages are analyzed.
Owner:BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
Medical qualification information management system and method based on block chain technology
InactiveCN112560056AEnsure safetyGuarantee authenticityMedical automated diagnosisDigital data protectionMedical institutionInformation acquisition
The invention discloses a medical qualification information management system based on a block chain technology, and the system comprises: an initial module which is used for obtaining the initial login information of a user, and building a secret key pair and an address for the user through employing a mnemonic word; an information acquisition module which is used for acquiring and sending user information; a signature verification module which is used for carrying out signature verification on the user qualification and generating and sending signature information; a block hash value modulewhich is used for giving a block hash value to the user according to the signature information, signing the block hash value, generating signature information and storing the signature information into a block chain; and an information viewing module which is used for obtaining a user viewing request and extracting and sending user information in the block chain to the user according to the user viewing request. The invention further discloses a medical qualification information management method based on the block chain technology. According to the invention, the blockchain technology is adopted to link all medical qualification information, signature authentication is carried out, and the authenticity of medical institutions and medical personnel qualification is ensured.
Owner:深圳市大中华区块链科技有限公司
Field test method and device for self-driving vehicles
ActiveCN111179585BImprove effectivenessImprove accuracyParticular environment based servicesDetection of traffic movementAutomatic controlSimulation
The field test method and device of the self-driving vehicle provided by the present invention collect and obtain the real traffic scene data in advance, and obtain the current field environment data when the self-driving vehicle to be tested is tested on the field, and obtain the corresponding traffic scene data from the real traffic scene data set. The traffic scene data, using the traffic scene data obtained by the matching as the test scene data, automatically controls the movement trajectory of the traffic participants, sends the target task to the self-driving vehicle to be tested, and then realizes the test of the self-driving vehicle to be tested. Using real traffic scene data as test data for real vehicle testing is more in line with the real traffic environment and can improve the authenticity and validity of the test results. Moreover, the entire field test process does not require manual control of each traffic participant, which improves the accuracy of the test process. safety. Based on the analysis of a large amount of road data, the probability of occurrence of different types of scenarios can be quantified, thereby improving the accuracy of test results.
Owner:SAIC MOTOR
Digital asset registration method and devices, digital asset verification methods and devices, equipment and memory medium
InactiveCN109660357AHave real validityWith decentralizationUser identity/authority verificationValidation methodsDigital signature
The embodiments of the invention provide a digital asset registration method and devices, digital asset verification methods and devices, equipment and a memory medium. The digital asset registrationmethod comprises the steps of carrying out abstraction processing on digital asset information, thereby obtaining virtual asset information; carrying out digital signing on the virtual asset information through adoption of a private key of a property owner of the digital asset information, wherein a digital signature is used for verifying property of the digital asset information; and sending thedigitally signed virtual asset information to a node of a block chain for storage. According to the scheme, decoding does not need to be carried out in digital signing and verification processes, so efficiency is improved; the stored virtual asset information of the digital asset information is guaranteed to have true effectiveness, and further, the true effectiveness of verification is improved;and a block chain is decentralized and distributed, so property verification of the digital asset information can be carried out based on the virtual asset information stored by any node, and further,the verification efficiency is improved.
Owner:DONGGUAN JIANDA INFORMATION TECH CO LTD
UPS AC parallel control circuit
PendingCN106961153AImprove stabilityIncrease anti-jamming designEmergency power supply arrangementsAnti jammingSystem stability
The invention discloses a control circuit capable of realizing a UPS AC parallel function. The circuit is formed through combination of seven static switch bus circuits and two CAN bus circuits; UPS AC parallel control is achieved through function implementation of host state signals, inverting voltage phase synchronization, carrier wave synchronization, trigger synchronization, system failure synchronization, AC-to-battery synchronization, battery-to-AC synchronization, data CAN communication and parallel operation CAN communication by all the circuits. The invention has beneficial effects that functions of output synchronization and state synchronization among different modules of a modularized UPS can be realized; at the same time, a two CAN circuit design is provided for data communication among the inner modules of the UPS and external data communication, so that system stability is enhanced; an anti-interference design for the circuit is added, so that the anti-interference capability is improved and the data fidelity and validity are high.
Owner:安徽博微智能电气有限公司
A method, system and device for securing Internet data
InactiveCN107070939BIncrease legitimacyImprove usabilityDigital data protectionTransmissionThe InternetEngineering
The invention discloses a method, a system and a device for internet data preservation. The method comprises the steps of obtaining to-be-preserved data submitted by a user and generating preservation verification information of the to-be-preserved data; generating storage electronic certificate information combination based on the to-be-preserved data and user information; sending a filing information combination including the preservation verification information, the storage electronic certificate information combination, user identification information and a preservation receipt code to an authentication server; obtaining a preservation electronic certificate which is generated and returned after the preservation verification information is filed successfully based on the filing information combination by the authentication server; and storing the to-be-preserved data, the storage electronic certification and the preservation electronic certificate. According to the method, the system and the device for internet data preservation, data issued by the user or obtained from the internet can be stored and preserved, the reliability of electronic evidences can be improved, and the electronic evidences can be stored and used conveniently.
Owner:国信嘉宁数据技术有限公司
Nitrogen oxide oxidation apparatus used for environment quality analysis
InactiveCN106669408AExtended stayIncrease real effectivenessGas treatmentDispersed particle separationNitrogen dioxideProduct gas
The invention discloses a nitrogen oxide oxidation apparatus used for environment quality analysis. The nitrogen oxide oxidation apparatus comprises an apparatus body; the apparatus body is mainly composed of an air inlet, an air outlet, an air inlet pipe and a filling layer, the air inlet pipe is arranged in the apparatus body, the air inlet pipe is communicated with the air inlet, and the air inlet pipe is extended to the bottom in the apparatus body, a slide plate is arranged on the surface of the filling layer, a sealing ring is fixedly connected with the side edge of the slide plate, the sealing ring abuts the inner wall of the apparatus body, a bearing pedestal is arranged at the intermediate part of the slide plate, the air inlet pipe passes through the bearing pedestal and is connected with the bearing pedestal through a silicon seal in a sealing mode; a spring is arranged at top of the bearing pedestal, a communicating pipe is arranged on the side wall at the left side of the apparatus body, and two ends of the communicating pipe are communicated with the apparatus body. The oxidation apparatus greatly prolongs the stay time of air in the apparatus, nitric oxide gas in nitrogen oxide can fully oxidized to nitrogen dioxide, oxidation efficiency is high, and real effectiveness of environment quality detection data is greatly increased.
Owner:徐州安普瑞特能源科技有限公司
An intelligent counting method and system for multi-person skipping rope test
ActiveCN113440789BRapid deploymentQuickly put into useDigital data authenticationSkipping-ropesJumping ropeSimulation
The invention discloses an intelligent counting method and system for a multi-person rope skipping test. The method includes: before starting the rope skipping test, verifying the identity of each person to be tested by means of face recognition, and taking the person who passes the identity verification as the Subjects participating in the rope skipping test; after the rope skipping test starts, obtain the test images of the subjects in real time, and bind the subjects to the test position based on the first frame of the test images; obtain each test subject based on the test images The key point information of the skeleton of each subject is saved, and the real-time jump track of each subject is saved as a track waveform, and the real-time score of each subject is recorded by analyzing and counting the track waveform of each subject; The identity information and grades of personnel are stored and processed. The invention is convenient to use and low in cost, and makes the rope skipping counting process more rapid, convenient and effective while retaining considerable accuracy.
Owner:UNIV OF SCI & TECH BEIJING
Information acquisition method and device
ActiveCN107025294BImprove consistencyIncrease real effectivenessWeb data indexingSpecial data processing applicationsDatabaseInformation acquisition
This application discloses an information acquisition method and device. A specific implementation of the method includes: receiving operation information sent by terminals of multiple users; determining operation information sent by terminals of users belonging to the same user group in the operation information; and generating usage information based on the determined operation information. Realized sending different styles of applications to multiple user groups at the same time, ensuring high consistency of test conditions corresponding to users of multiple user groups, and effectively avoiding differences in page adoption by external conditions such as winter and summer vacations, holidays, etc. The impact of the analysis of the usage of the application of the style, and then effectively improve the authenticity and effectiveness of the analysis results obtained by analyzing the usage of the application of different styles adopted by the page. It only needs to release the version of the application once, and by sending the adjustment information to the terminal, a page with a new style is automatically generated, and the usage of the application with the new style is analyzed.
Owner:BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
Block synchronization method, device, computer and storage medium
ActiveCN111209339BIncrease real effectivenessFinanceDatabase distribution/replicationComputer networkBusiness data
Owner:TENCENT TECH (SHENZHEN) CO LTD
Order input method and device based on AI, computer equipment and storage medium
PendingCN110348804AIncrease real effectivenessReduce stepsFinanceNatural language data processingRisk ControlData entry
The invention discloses an AI-based order input method and device, computer equipment and a storage medium. By adption of online auditing mode, scanning and model building technology, keywords are preset to automatically identify keyword data in an uploaded order (bill). Meanwhile, based on extracted keyword data, a mechanism is set up for judging whether orders are financed or not is established.Whether corresponding orders are financed or not is judged, repeated financing orders are screened out, the true effectiveness of the orders is improved. Manual data entry operation is omitted, efficiency can be improved, the error rate is reduced, on the other hand, malicious order data amount tampering can be prevented, and the risk control capacity is improved.
Owner:ONE CONNECT SMART TECH CO LTD SHENZHEN
A mobile terminal screenshot authentication method and system
ActiveCN109450902BIncrease real effectivenessEffective monitoringDigital data authenticationSubstation equipmentInternet privacyThe Internet
Owner:EASTCOMPEACE TECH
A method for checking the correlation degree of carbon emission data of gas-fired units based on cumulative difference analysis
ActiveCN109443423BIncrease real effectivenessReliable data sourceMeasurement devicesCorrelation coefficientAtmospheric sciences
Owner:JIANGSU FRONTIER ELECTRIC TECH +3
A method for detecting the diameter of a locomotive wheel
ActiveCN104482870BAccurately reflectImprove reliabilityUsing optical meansImage segmentationEngineering
An embodiment of the present invention provides a method for detecting the diameter of a locomotive wheel, comprising: projecting a first ray of light onto the tread surface of a locomotive wheel to form a light section curve; collecting a light section curve image including the light section curve; Analyze the cut curve image to obtain the diameter of the locomotive wheel.
Owner:CHENGDU TIEAN SCI & TECH
A security data authentication method, system and device
The invention discloses a preserved data authentication method, system and device. The method comprises the following steps: receiving a user's authentication request aiming at preserved data, generating inspection material data according to the authentication request and the preserved data aimed by the authentication request, sending the inspection material data and an evidence-saving data package corresponding to the preserved data to an authentication server, receiving an authentication report successfully generated and returned by the authentication server according to the inspection material data and the evidence-saving data package, and providing the authentication report to a user. An electronic evidence capable of being preserved by the user can be authenticated, reliability and availability of the electronic evidence are improved, and convenience is provided for preservation and usage of the electronic evidence.
Owner:国信嘉宁数据技术有限公司
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