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Method for generating user portraits and knowledge maps based on electronic medical records
InactiveCN110033837AImprove accuracyRigorousMedical data miningSpecial data processing applicationsMedical recordLaboratory test
The invention relates to a method for generating user portraits and knowledge maps based on electronic medical records in the technical field of generation of user portraits. The method includes the steps: A, reading the content of an xml file; B, reading a field name in a medical record and an ID corresponding to the field name; C, reorganizing the field name and structure according to the ID nested structure; D, merging the field name and the content according to the ID; E, identifying preliminary structure diagnosis, laboratory test, special check and special structure in the field; F, processing other fields with the same meaning but different id and field names; G, analyzing the short text in the medical record; H, classifying the extracted labels as a label of the user portrait; andI: generating a knowledge map by means of the analysis result. The label of the user portrait generated by the method for generating user portraits and knowledge maps based on electronic medical records can be used as a knowledge map entity category, and has the characteristics of high accuracy and strict content.
Owner:中电科数字科技(集团)有限公司 +1
Bactericidal and preservative agent combination for repair-regeneration of microbial pollution products
The invention relates to a bactericidal and preservative agent combination for the repair-regeneration of microbial pollution products, which comprises the following active ingredients: a preservative agent A, a preservative agent B, a bactericide, solvents, additives and water, wherein the preservative agent A is formed by bronopol, the preservative agent B is formed by parachlorometaxylenol PCMX and a phenoxyethanol mixture, and the bactericide is formed by 2,2-dibromo-3-nitrilo-propionamide DBNPA or polyhexamethylene biguanidine hydrochloride PHMB. Through one-time addition, the bactericidal and preservative agent combination disclosed by the invention has strong synergistic, preservative and bactericidal effects, and can concurrently have the functions of bactericidal repair and corrosion and mildew prevention in the period of re-storage, thus most of industrial water-based products metamorphosed by microbial pollution are reused. The bactericidal and preservative agent combination disclosed by the invention has the advantages of reasonable formula, advanced process, high cost performance, low toxicity, good operational feasibility, bactericidal and preservative effect, and the like, and is verified through a lot of industrial practices.
Owner:SHAANXI RES DESIGN INST OF PETROLEUM CHEM IND
Wheat yield per unit remote sensing estimation method based on GF-1 data reconstruction
ActiveCN110245327APrecision Agricultural Meteorological DataSolve the problem of low spatial resolutionMaterial analysis by optical meansForecastingEstimation methodsData reconstruction
The invention relates to the technical field of crop yield prediction, in particular to a wheat yield per unit remote sensing estimation method based on GF-1 data reconstruction, and the method comprises the following steps: 1) collecting and downloading time sequence original MODIS data and GF-1 data in a research area; 2), extracting QA quality parameters of the MODIS; 3) carrying out projection conversion, purification, filtering and cutting on the MODIS data; 4), treating GF-1 data; step 5), substituting the data in the step 3) and the step 4) into the reconstruction model to reconstruct new data; 6) obtaining a wheat planting distribution map and an NDVI map; 7)collecting and treating data in meterological stations, 8) estimating the yield by a yield estimation model, and 9) verifying and analyzing the precision of the yield estimation model. The wheat yield per unit remote sensing estimation method based on GF-1 data reconstruction has the advantages of being accurate in yield estimation, complete in data, high in yield estimation model leakproofness and good in integrity.
Owner:徐博
Communication processing method of speed signals in vehicle-mounted network system
InactiveCN102514535ARigorousImprove versatilityElectric/fluid circuitBus networksIn vehicleEngineering
The invention discloses a communication processing method of speed signals in a vehicle-mounted network system, which comprises the following steps that: (1) all the speed signals are received, and whether the speed signals of a hybrid control unit (HCU) are received and effective is judged; (2) whether the speed signals of an interface control unit (ICU) are received and are effective is judged; (3) Whether the speed signals of an interface control unit (ICU) are received and are effective is judged; (4) whether the speed signals of an anti-lock braking system (ABS) are received and are effective is judged; (5) the speed signals of gateways are sent to all sub-systems; (6) the speed signals of hard wires are provided; and (7) electronic control units (ECUs) receive the speed signals of the gateways or the hard wires. The communication processing method of the speed signals in the vehicle-mounted network system forwards the speed signals to the ECUs for use based on the priority according to the accuracy and the reliability of the speed signals, and processes the speed signals more carefully; and when the speed signals of the gateways are ineffective, some ECUs can alternatively select the speed signals of the hard wires, so that the reliability of the vehicle-mounted network system is ensured, the gateways are applicable to vehicles with traditional energy and novel energy hybrid power, and the universality and the platform performance of the gateways are improved.
Owner:ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD +1
Remote online monitoring and management cloud platform for cargo transportation vehicle based on logistics industry
ActiveCN114881561AReduce security risksRigorousResourcesLogisticsDriver/operatorLogistics management
The invention discloses a cargo transport vehicle remote online monitoring management cloud platform based on the logistics industry. Comprising a cargo transportation company basic information acquisition module, a vehicle and personnel information acquisition module, a cargo transportation order information acquisition module, a cargo transportation order distribution module, a truck entrance and exit monitoring module, a maintenance vehicle display and a storage database. A preferred influence coefficient is obtained through comprehensive analysis on two aspects of driver driving experience and a driver fatigue index, and meanwhile, a vehicle maintenance coefficient is obtained through comprehensive analysis on two aspects of vehicle body wear degree and a vehicle body sag index, so that irrationality caused by the problem of incomplete consideration during truck driver allocation is avoided; a powerful data basis is provided for vehicle maintenance, timely maintenance and adjustment of the truck are achieved, and potential safety hazards of a truck driver in the driving process are effectively reduced.
Owner:浙江公链信息科技有限公司
Official document standardized calibration system
InactiveCN103020037ARigorousCareful handlingSpecial data processing applicationsWord processingDocument quality
The invention provides an official document standardized calibration system, which comprises a word bank management module, an official document content proofreading module, an official document template and official document key element proofreading module, an official document quality examination module and an official document statistics module; the word bank management module provides a calibration base and standard; the official document content proofreading module and the official document template and official document key element proofreading module proofread the content, the template and key elements of an official document according to a proofreading rule provided by the word bank management module; and the official document quality examination module and the official document statistics module respectively analyze and examine the proofreading situation and the proofreading result of the official document content proofreading module and the official document template and official document key element proofreading module and count a result. Through the official document standardized calibration system, the management standardization of the official documents in enterprises or institute systems can be greatly improved, and more rigorousness and carefulness for processing the official document can be realized. The word calibration technology is effectively combined with the official document calibration rule, and the calibration work of the official document can be rapidly and high efficiently completed on a client through an office kit word processing system (WPS).
Owner:FUJIAN YIRONG INFORMATION TECH +1
Tracking management system and method for access user visit information
InactiveCN101242451AImprove rigorImprove scienceSpecial service for subscribersProgram planningTelephone network
The invention discloses a tracking management system of users visiting information, comprising: a plan storing server, a SPC telephone exchange, a main data processing server and a query terminal, wherein the main data processing server is connected with the query terminal computer, the plan storing server and the SPC telephone exchange, the SPC telephone exchange is also connected with a public telephone network. The system can check the visit of custom managers (storekeepers) to retail users at any time, the case that once a product is sold, no body is responsible for it is avoided, timing and effective management of custom managers is strengthened, wholesale and retail relationship is promoted, and benefit of legal retail users are guaranteed.
Owner:河北省烟草公司沧州市公司
Automatic generation method and system for electronic point table of substation
InactiveCN109086314ARigorousComplete and correct informationData processing applicationsSpecial data processing applicationsAutomatic Generation ControlPower grid
The invention relates to the technical field of power system automation, which is a method and a system for automatically generating an electronic point table of a substation. The former comprises thefollowing steps: first, retrieving remote signal data, telemetry data and remote control data of a certain substation from a database and storing them separately; 2, traversing the telematics data, extract the interval name, the signal type and the alarm level from the signal description; 3, traversing the telemetry data and extracting the interval name from the signal description; 4, traversingthe remote control data and extracts the interval name from the signal description. The invention realizes the intelligent and automatic generation of the transformer substation point table, the resulting dot table is well-formed, the complete and correct information eliminates the manual input process of operation and maintenance personnel, avoids the input error caused by human error, greatly reduces the operation and maintenance workload of power network model, reduces the labor intensity of operation and maintenance personnel, and the correct rate of generating point table can reach more than 95%, which greatly improves the efficiency of generating point table.
Owner:SOUTHERN XINJIANG ELECTRICITY SUPPLY COMPANY OF STATE GRID XINJIANG ELECTRIC POWER +1
Document online collaborative editing and information management system based on B/S (Browser/Server) architecture
PendingCN114818620AEnsure uniform formatWrite quicklyNatural language data processingSpecial data processing applicationsEngineeringTechnical documentation
The invention discloses a B / S (Browser / Server) architecture-based document online collaborative editing and information management system. Comprising a user management module, a template management module, a sub-document editing module, a unified manuscript module and a data management module, the user management module is used for managing all users involved in the system and accounts of the users; the template management module is used for creating, modifying, deleting and storing templates of various types of documents; the sub-document editing module is used for users of all departments or professions to carry out technical document writing work related to the departments or professions; the manuscript unifying module is used for selecting and changing a technical document template by a manuscript unifying person; and the data management module is used for storing the finalized sub-documents and the combined technical documents in a classified manner, so that authorized personnel can check and call the sub-documents at any time. According to the method, rapid writing and high-quality manuscript unification of the technical text are realized, the workload of writing personnel is greatly reduced, the writing efficiency is effectively improved, and uniform format and strict content of the document are ensured.
Owner:HUATIAN NANJING ENG & TECH CORP MCC +1
High-speed rail bridge support seismic isolation system
InactiveCN108004914ARigorousSmooth and efficient coordinationBridge structural detailsSensing dataPressure sense
The invention discloses a high-speed rail bridge support seismic isolation system. The structure of the system comprises a pressure sensor, a seismic isolating rubber support, inner connecting bolts,a silica gel sealing plate, a rubber protection layer sleeve, outer connecting bolts, a steady steel plate layer, a seismic isolating lead core, a seismic reducing rubber layer, a connecting steel plate, a pre-embedded steel plate, a bridge sleeve, and bridge pre-embedded ribs. The pressure sensor is provided with a pressure sensing cap, a sensing cap nested groove, a sensor threaded stud, a sensing data wire, a tail cap nested groove, and a sensor tail cap. The high-speed rail bridge support seismic isolation system realizes high leakproofness and smooth and efficient cooperation and connection of each component, transmits real-time test data of load of pressure and capacity of a bridge, and stores the data and provides to-be-improved load and load values for personnel who performs maintenance and protection at fixed time, so the personnel can change high-strength load materials to improve seismic isolation effect.
Owner:SOUTHWEST JIAOTONG UNIV
Anti-acne drug and preparation method thereof
InactiveCN104547748ARecovery functionRemove inflammatory mediatorsDermatological disorderPlant ingredientsSalvia miltiorrhizaRheum officinale
The invention provides an anti-acne drug and a preparation method thereof. The anti-acne drug is characterized by being prepared from the following medicines: 160g of dandelion, 240g of salvia miltiorrhiza, 240g of scutellaria baicalensis, 48g of coptis chinensis, 150g of eclipta alba, 48g of rheum officinale, 160g of glossy privet fruit, 160g of radix angelicae, 240g of coix lachrymal, 160g of radices trichosanthis, 48g of liquorice, 320g of oldenlandia diffusa, 240g of spina gleditsiae, 48g of radix bupleuri, 120g of cotex dictamni, and 120g of the root bark of white mulberry. The drug is mainly used for clearing heat-toxin and eliminating dampness, activating blood circulation, eliminating carbuncle and expelling pus, can comprehensively condition each viscera and clearly distinguish deficiency and excess, and has the effects of clearing heat to eliminate acne, removing dampness to eliminate acne, expelling carbuncle to eliminate acne, and activating blood circulation to eliminate acne.
Owner:LICHUAN ETHNIC HOSPITAL OF TRADITIONAL CHINESE MEDICINE
Processor of energy sensing network and processing method thereof
ActiveCN101916210AImprove performanceReduce power consumptionEnergy efficient ICTResource allocationVoltage regulator moduleTransport system
The invention discloses a processor of an energy sensing network and a processing method thereof in the technical filed of network application, the processor comprises a co-processor module, a plurality of micro-engine modules, a thread monitoring module, a performance monitoring module, a voltage regulator module and a voltage decision-making module, wherein the micro-engine modules are connected with the thread monitoring module to transmit thread state information; the thread monitoring module is connected with the voltage decision-making module to transmit the thread state information; the voltage decision-making module is connected with the co-processor module to transmit voltage decision-making information; the co-processor module is connected with the voltage regulator module to transmit voltage regulator commands; the voltage regulator module is connected with the micro-engine modules to transmit physical signals for regulating voltage; the micro-engine modules are connected with the performance monitoring module to transmit system performance information; and the performance monitoring module is connected with the co-processor module to transmit the signal regulating the voltage to be maximum. In the invention, periodic statistics is performed on the task running condition of each core, and the purposes of low power consumption and high performance are achieved through dynamically changing the voltage of each core.
Owner:重庆交慧发掘科技有限公司
Research report question and answer generation method and system and computer readable storage medium
ActiveCN114492362ARigorousBalance flexibilityCharacter and pattern recognitionNatural language data processingQuestions and answersProblem set
The invention relates to the technical field of natural language processing, in particular to a research report question and answer generation method and system and a computer readable storage medium, the research report question and answer generation method comprises the following steps: providing a research report text, and generating a question set based on a preset knowledge base and the research report text; a plurality of questions in the question set are recalled corresponding to each paragraph of the research report text, the matching degree of the questions and each paragraph is judged, and the question with the highest matching degree is selected corresponding to each paragraph to generate a question-paragraph pair; and based on the question-paragraph pair, extracting a corresponding fragment from the paragraph to generate an answer or generating an answer corresponding to each question according to the paragraph. According to the research report question and answer generation method provided by the invention, the corresponding question is automatically generated for each research report, then the corresponding answer is found from the research report, and the intelligently extracted information is provided for the reader, so that the information acquisition efficiency is improved.
Owner:北京澜舟科技有限公司
Method and device for testing creditability of chronic disease multi-gene risk evaluating product
The invention provides a method for testing creditability of a chronic disease multi-gene risk evaluating product. The method comprises the following steps of S1, determining whether the chronic disease multi-gene risk evaluating product satisfies the following conditions, 1), whether a multi-gene risk evaluating predicated value is consistent with an actual predicting risk value; and S2, obtaining a testing result, if the chronic disease multi-gene risk evaluating product satisfies all conditions in the step S1, determining high credibility of the chronic disease multi-gene risk evaluating product. The method according to the invention has advantages of quantification, high objectiveness, and high strictness.
Owner:上海诺效基因科技有限公司
Olfaction electroencephalogram and random forest-based method for classifying sensory substances
InactiveCN108836325ASimple sensory evaluation processNormativeDiagnostic recording/measuringSensorsFeature extractionAdditive ingredient
The invention discloses an olfaction electroencephalogram and random forest-based method for classifying sensory substances. The method comprises the following steps: S1, obtaining electroencephalogram spectrum information of a testee by using a brain-machine interface system, namely an electroencephalograph; S2, pre-processing obtained electroencephalogram spectrum data; S3, performing characteristic extraction on spectrum information after completion of pre-processing based on linear characteristic analysis, wherein electroencephalogram characteristics in an electroencephalogram signal studyconsist of peak values, mean values, variances, central frequencies, maximum power, power, and total 72-dimensional data at alpha, beta, and theta frequency bands; and S4, performing pattern recognition by using an RF random forest. The method is generally applicable to the substance sensory evaluation and plays an important role in the evaluation on the development, basic research, and ingredient mixing of new products, as well as process adjustment, cost reduction, quality assurance, product optimization and the like.
Owner:NORTHEAST DIANLI UNIVERSITY
Anti-counterfeiting packaging integrated preparation process
InactiveCN109484049AChemical reaction is smallIncrease surface tensionOther printing apparatusPrinting after-treatmentAdhesiveSurface smoothness
The invention discloses an anti-counterfeiting packaging integrated preparation process. The anti-counterfeiting packaging integrated preparation process comprises the following steps of (1) preparation of raw materials, (2) corona treatment, (3) unwinding, (4) release agent coating, (5) ink coating and (6) coating adhesive coating. The anti-counterfeiting packaging integrated preparation processhas small chemical reflection on a substrate thin-film, is not influenced by the thickness of the substrate thin-film on the surface smoothness, improves the surface tension and roughness of the thin-film, and is beneficial to the adhesion of ink and an adhesive. Under the condition of not affecting printing requirements, the release anti-counterfeiting technology with the anti-counterfeiting function can be achieved, local coating can be flexibly applied according to anti-counterfeiting design requirements, the imitation difficulty is increased, a release anti-counterfeiting product with no difference on the surface can be printed, and the anti-counterfeiting packaging integrated preparation process has the characteristics of high flatness, strong tightness and the like.
Owner:上海马云标识有限公司
Large energy-saving glass curtain wall outer decorative cover plate integrated type installation structure
The invention provides a large energy-saving glass curtain wall outer decorative cover plate integrated type installation structure. The large energy-saving glass curtain wall outer decorative cover plate integrated type installation structure comprises a cover plate. The cover plate is connected to a curtain wall stand column through a plurality of connecting parts, the connecting parts comprisefirst connecting plates and second connecting plates which are butted, a plurality of first grooves are formed in each first connecting plate, the section of each first groove is in a semi-circular shape, and a plurality of second grooves are formed in each second connecting plate; the section of each second groove is in a semi-circular shape, the first grooves and the second grooves are butted toform cavities, rolling shafts are arranged in the cavities in a penetrating mode, and cushion covers are arranged between the rolling shafts and the cavities; and the cushion covers are arranged on the rolling shafts in a sleeving mode, and tooth-shaped faces being in rolling contact with the outer walls of the rolling shafts are arranged on the inner walls of the cushion covers. According to thelarge energy-saving glass curtain wall outer decorative cover plate integrated type installation structure, the problems that in the prior art, the installation airtightness of a curtain wall upper cover plate is poor, and water leakage is prone to happening on an outside finish can be effectively solved.
Owner:SUZHOU MEIRUIDE BUILDING DECORATION CO LTD
Intelligent acceptance method for OLT devices, storage medium, and terminal
InactiveCN109617598AAutomate acceptanceEnsure safe access to the networkTransmission monitoring/testing/fault-measurement systemsThird partyComputer terminal
The invention discloses an intelligent acceptance method for OLT devices, a storage medium, and a terminal, and belongs to the technical field of testing of optical communication devices. The method comprises the following steps: performing configuration acceptance on OLT devices, performing performance acceptance on the OLT devices meeting the configuration acceptance standard, and performing safety acceptance after the performance acceptance of the OLT devices is passed to realize the safe access of the OLT devices. The configuration acceptance comprises generating different acceptance templates, filling in a soft adjustment table, and generating a standard acceptance file through the soft adjustment table information and the acceptance template for comparison with a configuration file to implement the configuration acceptance; the performance acceptance comprises sending a test instruction by the system to determine whether the performance index of the OLT devices meets the acceptance criteria; and the security acceptance comprises scanning the OLT devices through a third-party security evaluation platform to implement the security acceptance of the OLT devices. The method can quickly, accurately and efficiently check and accept the OLT devices, so as to reduce the risk of the OLT devices entering the network.
Owner:中国电信股份有限公司四川分公司
A peanut specificity test approximate variety screening method based on phenotypic distance
InactiveCN109599150AShorten screening timeImprove targetingBioinformaticsDatabase design/maintainanceReal variableScreening method
The invention discloses a peanut specificity test approximate variety screening method based on phenotypic distance. According to the method, different weights (such as a table 1) are set for code difference values of all expression states of each peanut phenotypic character according to the influence degree of environmental conditions on the expression state observation value of each phenotypic character and the personnel observation deviation, and the sum of the weights with difference between varieties is calculated to serve as the phenotypic distance between the varieties. A safe phenotypic distance threshold value is determined through comparative analysis of phenotypic distances and obvious difference degrees among a large number of real varieties, and the variety lower than the phenotypic distance threshold value is used as an approximate variety. With the adoption of the method, the influence of observation deviation, interaction and data entry errors of personnel and screeningof similar varieties is well eliminated, and the preciseness of screening of the similar varieties is improved. By the adoption of the method, it is convenient to plant the nearest variety and the applied variety adjacently during a field test, and the specificity test pertinence is improved.
Owner:CROP RES INST SHANDONG ACAD OF AGRI SCI
Examination cheating behavior recognition algorithm based on surface length-width ratio analysis
InactiveCN112101171ARigorous judgmentSimple technologyCharacter and pattern recognitionEngineeringNetwork module
The invention relates to an exam cheating behavior identification algorithm based on surface length-width ratio analysis. The algorithm comprises a bracket installed on each desk, a camera and an LEDlamp installed on each bracket, a processor is arranged in each bracket and is connected with the camera and the LED lamp; the algorithm also comprises a network module connected with each processor,each processor establishes a data link with a remote management server through the corresponding network module, and each processor sets an examination cheating behavior recognition algorithm. The method comprises the following steps: S1, collecting a face image fi (x, y) of a testee; S2, extracting a face rectangular region from the face image fi (x, y); S3, calculating the width w of the rectangular area of the human face, wherein w=xcR-xcL; calculating the length of the rectangular area of the human face, wherein l=ycR-ycL; S4, calculating the length-width ratio r of the rectangular area ofthe human face; S5, when r is larger than K and the face faces the left side or the right side, judging that the testee is likely to be in a cheating state, wherein K is a judgment threshold value.
Owner:HANGZHOU JINGYI INTELLIGENT SCI & TECH
Steam turbine
InactiveCN102705017BImprove mechanical efficiencyRigorousBlade accessoriesStatorsPulp and paper industryCylinder block
Owner:高宏亮
Preparation process of atomization electrode
The invention discloses a preparation process of an atomizing electrode. A power supply system, a vacuum system, an atomizing chamber, a control system, a cooling system and a feeding system are included. The production process method comprises the following steps of step 1, material preparation, namely turning on a power supply system, loading an original bar into a rotary feeding device, and performing sealing work; and 2, vacuumizing, namely vacuumizing the atomizing chamber through the vacuum system to provide a preparation basis for charging and discharging argon. By further optimizing a plasma electrode atomization preparation system, the automation and intelligence of a whole program are ensured, and the whole preparation efficiency is better ensured; the practicability of the preparation process is ensured by really analyzing and affirming the whole preparation process, and the blank of numerous fixed industries is better made up; and the preparation quality of the plasma rotary atomization electrode is improved, and the process value of the whole process is ensured.
Owner:惠州亿达晨峰五金科技有限公司
Medicine for treating vertebral artery type cervical spondylosis dizziness
InactiveCN107149628AReduce hyperplasiaReduce degenerationDigestive systemSkeletal disorderLeft vertebral arteryCervical spondylosis
The invention relates to medicine for treating vertebral artery type cervical spondylosis dizziness. The medicine is 1500 pills prepared by 300g of radix pueraiae, 300g of rhzizoma drynariae, 150g of angelica sinensis, 150g of radix paeoniae rubra, 300g of salviae miltiorrhizae, 100g of semen persicae, 100g of Carthamus tinctorious, 100g of Caesalpinia sappan L., 300g of fructus lycii, 150g of radix paeoniae alba, 300g of semen cuscutae, 300g of fructus psoraleae, 300g of epimedium and 150g of rhizoma chuanxiong. The medicine has effects of tonifying the kidney and replenishing essence and promoting blood circulation to remove blood stasis and is capable of treating both symptoms and root causes, increasing overall body functions, delaying aging and relieving and delaying cervical vertebra hyperostosis and degeneration.
Owner:梅琰
Examination cheating identification algorithm based on image analysis
The invention relates to an examination cheating identification algorithm based on image analysis. A device for implementing the algorithm comprises a bracket arranged on each desk, a camera and an LED lamp installed on the bracket. A processor is arranged in the bracket and is connected with the camera and the LED lamp; the device comprises a processor and a network module connected with the processor, a data link between the processor and a remote management server is built through the network module, and the processor sets an examination cheating identification algorithm. The algorithm comprises the following steps: S1, collecting a face image fi (x, y) of a testee; S2, extracting a face rectangular region from the face image fi (x, y); S3, extracting positions of a left eye and a righteye from a face rectangular region of the face image fi (x, y); S4, calculating an intermediate point M coordinate between the left eye and the right eye; S5, calculating position parameter coefficients Rx and Ry of the intermediate point M in the rectangular area of the human face; S6, when the absolute value of Rx is smaller than Kx and Ry is smaller than Ky, the human face faces right ahead and is in a normal answering state; otherwise, the human face faces left or right and is in a possible cheating state.
Owner:HANGZHOU JINGYI INTELLIGENT SCI & TECH
Examination room cheating recognition algorithm adopting sound array analysis
The invention relates to an examination room cheating recognition algorithm adopting sound array analysis. The algorithm comprises a support which is installed on each desk, a camera, a sound pickup and a button which are installed on the support, a processor which is connected with the camera, the sound pickup and the button, and a network module which is connected with the processor. The networkmodule establishes a data link with a remote management server, and the processor sets the cheating recognition algorithm. A method comprises the following steps: S1, the processor reads a sound signal of an environment through the sound pickup and recognizes a voice signal of a person; S2, the processor transmits a voice signal voice (i) acquired by the sound pickup and a face video video video(i) acquired by the camera to the management server; S3, the management server calculates a voice intensity E (i) of the voice signal voice (i), and performs comparing to obtain a maximum voice intensity E (imax); and S4, the management server provides a face video video (imax) for invigilators to judge.
Owner:HANGZHOU JINGYI INTELLIGENT SCI & TECH
Control system stability analysis method and device and computer-readable storage medium
ActiveCN112327805ASimplify complexityAvoid massive calculationsProgramme controlElectric testing/monitoringLyapunov matrixComputation complexity
The invention discloses a control system stability analysis method, a control system stability analysis device and a computer-readable storage medium, and the core idea is as follows: by constructinga Kronercker-Lyapunov matrix, the boundary values of uncertainty parameters when a control matrix is located at stable and unstable critical positions are calculated by using the Kronercker-Lyapunov matrix, and finally the stability interval of a control system is calculated through the boundary values. According to the method, an automatic system with a feedback function is effectively controlled, and the key point is that the control system is ensured to operate in a stable interval, so that the control system can be effectively controlled all the time when the stable interval is obtained, high-quality production is realized, and the production efficiency is improved. The calculation method is simple and clear, is low in calculation complexity, and has a good help effect on the judgmentwork of the stability interval of an uncertainty control system.
Owner:PURPLE MOUNTAIN LAB
Formalized verification method of finite field GF(2 ^ n) based on Coq
InactiveCN110795337AReliableRigorousSoftware testing/debuggingComputations using residue arithmeticEngineeringMechanics
The invention discloses a finite field GF (2 ^ n) element based on a theorem prover Coq, a formal description method of operation on the finite field GF (2^n) element, and a method for carrying out formal verification on defined operation key properties. According to the invention, the strictness and reliability of the theorem prover Coq are utilized to solve the disadvantage that the previous method cannot ensure the availability of a specific operation result or a corresponding operation rule. The method mainly comprises the following steps: (1) formally defining any finite field GF(2^n) element and an operation on the GF(2^n) element in Coq, wherein the method comprises operations of addition, multiplication and multiplication inverse element solving; (2) defining an equivalence relation for judging the element equivalence of the finite field GF(2^n); (3) completing formal verification of additive properties suitable for any finite field GF(2^n) in Coq; and (4) performing formalizedverification of related properties suitable for multiplication of any finite field GF(2^n) in Coq.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Subway tunnel structure safety assessment method based on external project additional stress
PendingCN114357562AAvoid uncertaintyCalculations are reliableGeometric CADDesign optimisation/simulationArchitectural engineeringStructural engineering
The invention discloses a subway tunnel structure safety assessment method based on external project additional stress, and the method comprises the following steps: calculating the additional stress of a tunnel structure by adopting a corner point method according to the load action position of an external operation project and the spatial position relation of the external operation project and the subway tunnel structure; calculating an initial load of a tunnel structure according to tunnel investigation and design data; and establishing a tunnel load-structure model under the additional stress action of the external operation project. According to the method, additional stress generated on a tunnel structure under the load action of an external operation project is applied to a tunnel load-structure model, and the influence of the external operation project on the safety of the tunnel structure is evaluated through structural mechanics calculation.
Owner:BEIJING AGILETECH ENG CONSULTANTS
Automobile speed signal processing method
Owner:HUAWEI TEHCHNOLOGIES CO LTD
Vehicle-mounted perfume and preparation method thereof
The invention provides a vehicle-mounted perfume. The vehicle-mounted perfume comprises the following components in parts by weight: 40.0-80.0 parts of a solvent, 0.1-0.6 parts of allyl amyl glycolate, 0.1-0.4 parts of ambergris, 0.1-0.5 parts of cedrol methyl ether, 1.0-4.0 parts of dihydromyrcenol, 0.05-0.3 parts of dimethyl benzyl carbinyl butyrate, 0.3-2.0 parts of musk-T, 0.2-0.8 parts of ethyl linalool, 3.0-9.0 parts of rose essential base, 0.05-0.3 parts of synthetic oak moss, 0.1-0.5 parts of tonalid, 0.2-1.5 parts of dihydrojasmonic acid methyl ester, 0.05-0.3 parts of sandenol, 1.5-6.0 parts of ambrotone, 3.0-9.0 parts of lavender essence base, 0.5-1.5 parts of linalool, 0.5-1.5 parts of linalyl acetate, 0.6-1.6 parts of sweet orange oil, 0.05-0.2 parts of 1-acetoxy-2-tert-butylcyclohexane, 0.1-0.3 parts of precyclemone B, 0.1-0.3 parts of sandalwood, 5.0-10.0 parts of ambrotone compound oil, 0.05-0.2 parts of ethyl vanillin and 0.1-0.3 parts of methyl cedryl ktone. Meanwhile, the invention further discloses a preparation method of the vehicle-mounted perfume. The vehicle-mounted perfume provided by the invention has high perceived intensity, can effectively improve the problem of peculiar smell in a vehicle, effectively improves the sensory quality of the smell in the vehicle and the commodity nature of the vehicle, and has obvious brand identification degree.
Owner:GUANGZHOU AUTOMOBILE GROUP CO LTD +1
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