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80 results about "Test scale" patented technology
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Scalability testing, is the testing of a software application to measure its capability to scale up or scale out in terms of any of its non-functional capability.
Method and system for objective-subjective combined psychological assessment
ActiveCN104856704AImprove reliabilityImprove accuracySensorsPsychotechnic devicesRR intervalTest scale
The invention relates to a method and a system for objective-subjective combined psychological assessment. The method comprises the following steps: acquiring physiological parameters of an assessed person when the assessed person answers questions on a psychology testing scale item; acquiring and calculating item question answering duration parameters; conducting content correlation on the physiological parameters and / or the item question answering duration parameters; correcting a psychological assessment result and / or evaluating the reliability of the psychological assessment result according to the physiological parameters and / or the item question answering duration parameters. The system comprises a psychological scale assessment system and a human body physiological parameter acquisition system; the physiological parameters comprise one or more of the heart rate, heart rate variability, pulse force, pulse ascending limb time, pulse descending limb time, ratio of the pulse ascending limb time to the pulse descending limb time, and skin resistance. Through the adoption of the method and the system, the reliability of the conventional psychological assessment can be evaluated from an objective-subjective combined perspective, and traceable correction can be conducted on the psychological assessment, so that the reliability, accuracy and feasibility of the psychological assessment are remarkably improved.
Owner:鲍崇智
Computing method for representative elementary volume of jointed rock
InactiveCN103197042AEasy to determineThe principle is simpleEarth material testingStress–strain curveKnowledge Field
The invention provides a computing method for the representative elementary volume of a jointed rock, which belongs to field of geotechnical engineering calculation parameters. According to the invention, a multi-scale jointed rock sample with an indoor test scale, an on-site in-situ test scale, an engineering scale and the like capable of fully reflecting joint spatial distribution characteristics and rock and joint mechanical characteristics is constructed based on indoor rock and joint mechanical tests and on-site joint geological survey, and virtual uniaxial compression loading is carried out on the sample to obtain a stress-strain curve; a relational graph of uniaxial compressive strength of a variety of jointed rocks and loading-direction sample dimension is drafted, and a relation curve is fitted; in the fitted relation curve, if a ratio of reduction amount of the uniaxial compressive strength to uniaxial compressive strength of an indoor rock sample is less than 0.2% when the loading-direction sample dimension of the jointed rocks is increased by 1 m each time, it is believed that uniaxial compressive strength of the jointed rocks does not change with increase of dimension, and the representative elementary volume of the jointed rocks is obtained. The method provided by the invention has the advantages of simple principles, convenient operation, low cost and a good usage effect and facilitates determination of the representative elementary volume of the jointed rock.
Owner:UNIV OF SCI & TECH BEIJING
Intelligent transformer station relay protection closed loop test system
ActiveCN103713214AAdjust the test object arbitrarilyAdjust the size of the test arbitrarilyElectrical testingTransformerClosed loop
Owner:STATE GRID CORP OF CHINA +2
Virtual test support platform
ActiveCN102945165AAchieve sharingImprove reusabilitySpecific program execution arrangementsDistributed objectSoftware engineering
The invention discloses a virtual test support platform, which comprises a virtual test data support subsystem, a virtual test middleware subsystem, a virtual test resource integration subsystem and a virtual test tool set subsystem, wherein the virtual test data support subsystem stores a virtual test distributed object model, a test resource and test data according to requirements of test verification and provides data management support for a test verification activity; the virtual test middleware subsystem provides a communication support platform for real-time communication and dispatching between an object to be tested and the test resource in an execution period of a virtual test system; the virtual test resource integration subsystem establishes the virtual test distributed object model meeting the requirements of an interface of the virtual test middleware subsystem and stores the established object model in the virtual test data support subsystem; and the virtual test tool set subsystem obtains a test model from the virtual test data support subsystem, plans a test scale and participant test equipment, forms a test program according to the specific virtual test requirements and test purposes, calls the virtual test middleware subsystem and conducts dispatching management in a test process.
Owner:CHINA ACAD OF LAUNCH VEHICLE TECH
Computer-aided device for screening mild cognitive impairment (MCI) of old people
ActiveCN101983613AIncrease the difficultyRaise attentionMedical automated diagnosisSensorsPhysical medicine and rehabilitationVerbal comprehension
The invention relates to a computer-aided device for screening mild cognitive impairment (MCI) of old people. The device comprises an MCI test server and an inspection client, wherein the MCI test server comprises a personal information memorizing unit, a scale memorizing unit for supplying a test scale for objectively judging the MCI to the MCI test inspection client, a scale sending unit, a response receiving unit, an MCI degree counting and memorizing unit, an MCI identifying and comparing unit and a result sending unit; and the inspection client comprises a basic information entering unit, a basic information sending unit, a scale receiving unit, a scale expressing unit, a response acquiring unit, a response sending unit, a result receiving unit and a result displaying unit. The test paper of the test scale comprises orientation force, memory, notice, watchfulness, calculation power, language denomination, delayed recall, verbal fluency, pattern recognition, verbal understanding, abstract ability and visual structure skill. The invention has the advantages of definite reliability and validity and good reliability, and is simple in operation and convenient in general survey.
Owner:ZHEJIANG UNIV
Method for testing scale and corrosion inhibition performance of reagent and apparatus for boiler water treatment
Disclosed is a method for testing scale and corrosion inhibition performance of reagent and apparatus for boiler water treatment, which comprises establishing a simulated boiler system, a scaling detection unit and a corrosion detection unit, utilizing a differential thermal principle and a weight-loss data detection and processing method to provide real operation behavior conditions of the simulated boiler, changing different water quality and medicinal composition, proportion, so as to conduct integrated dynamic test and evaluation for the boiler water treatment medicament and slow erosion property and scale-preventing characteristics when passing the water-treating equipment.
Owner:TIANJIN CHEM RES & DESIGN INST
MQTT server performance test method and system, computer equipment and storage medium
PendingCN111124850ASimplify preparationSimple procedureHardware monitoringSoftware testing/debuggingTest efficiencyTest scale
The embodiment of the invention relates to the field of server performance testing, and discloses an MQTT server performance testing method and a system, computer equipment and a storage medium. According to the invention, the MQTT server performance test method comprises the following steps: receiving a to-be-tested test file and a test demand, the test demand defining a test scale for running the test file; deploying a plurality of target containers for executing the test file on a preset cloud platform according to the test file; selecting at least one target container in the plurality of target containers according to the test requirement to generate a test process; and performing data integration on a test result of the test process according to a preset data template to generate a test result. According to the method, the received file is started as the container application and deployed on the preset cloud platform in the one-key mode, the test scale is adjusted according to thetest requirement, the test result is collected in the one-key mode, and compared with a traditional test method, the method is more convenient and faster to implement, and test efficiency and accuracy are improved.
Owner:上海移远通信科技有限公司
Method for evaluating balance capacity of old people
InactiveCN106618487APrevent fallingEffective interventionsDiagnostic recording/measuringSensorsLow risk groupDynamic balance
The invention belongs to the technical field of rehabilitation medicine protection and particularly relates to a method for evaluating the balance capacity of old people. The method includes the following steps that A, experimental subjects are grouped into a normal group, a low-risk group, a middle-risk group and a high-risk group according an old people balance capacity test scale, plantar pressure distribution generated when the old people sit up is detected through a plantar pressure distribution detecting system, and cushion pressure generated when the old people sit up is detected through a cushion sensor; B, the old people walk on a three-dimensional dynamometry table, and kinematics parameters of the gaits generated when the old people walk are acquired through the three-dimensional dynamometry table, wherein the kinematics parameters comprise the pressure and torque in the foot vertical direction, the pressure and torque in the foot front-and-back direction and the pressure and torque in the foot inside and outside directions; C, sample entropies of the plantar pressure and torque during sitting up and walking are subjected to statistic analysis, the significant difference of the correlativity between the variable sample entropies is found, and an objective evaluation standard is obtained. The method has the advantage of being capable of evaluating dynamic balance of the old people.
Owner:BEIJING RES CENT OF URBAN SYST ENG
Intelligent power utilization system and test method based on low-voltage power line carrier
ActiveCN106056896AGuaranteed to workEarly detection and prevention of hidden faultsElectric signal transmission systemsValidation methodsLow voltage
The invention relates to an intelligent power utilization system and a test method based on a low-voltage power line carrier, which adopt a systematic verification method of multicarrier module synchronous test. In the operation process, the system allocates a logic table address of an electric energy meter according to a test scale, after the logic address of each module is completely allocated, a controller simulates a main station to issue an acquisition instruction, a test platform records data of all communication routes including a real electric meter main control module, an electric meter carrier module, a concentrator downlink communication module and a concentrator uplink module, and a test result is displayed finally by virtue of data analysis and comparison. The intelligent power utilization system can realize test on the performance of communication modules of various function units such as a system main station, an acquisition terminal and the intelligent electric meter, the fault location and the rapid reproduction function, so that a convert fault can be discovered and prevented in time, the large loss caused by the running fault of the system is avoided, and the normal work of the electric utilization information acquisition system is effectively guaranteed.
Owner:STATE GRID TIANJIN ELECTRIC POWER +2
Medicament for in-situ repair of high-concentration polycyclic aromatic hydrocarbon polluted soil and application thereof
InactiveCN108213064AIncrease profitGood removal effectContaminated soil reclamationOrganic fertilisersHigh concentrationMicro nano
The invention discloses a medicament for in-situ repair of high-concentration polycyclic aromatic hydrocarbon polluted soil and application thereof; effective components are micro-nano iron sheets andsodium persulfate; and the high-activity micro-nano iron sheets are used for efficiently catalyzing sodium persulfate to generate high-oxidation free radicals so as to effectively degrade high-concentration PAHs (201.1 mg / kg) in soil. The medicament formula of the micro-nano iron sheets activating persulfate not only can efficiently degrade PAHs under laboratory underbrush conditions, but also can quickly and efficiently repair the high-concentration PAHs polluted soil in situ under the pilot scale test scale (360 cubes of soil); and the enzyme activity index of the repaired soil under environmental protection is not prominently changed. The repair medicament is suitable for in-situ field repair of the high-concentration PAHs polluted soil, is high in efficiency, convenient to operate andenvironment-friendly, and provides broad prospect for repair of the high-concentration PAHs polluted soil.
Owner:INST OF SOIL SCI CHINESE ACAD OF SCI
Testing distributed services by using multiple boots to timeshare a single computer
InactiveUS20050076195A1Easy to identifyDigital computer detailsTransmissionProgram planningClient-side
An improved scalability testing architecture for distributed applications allows testing of scalability with respect to a given number of computers using a test network having only a small fraction of that number of computers. Each client computer in the test network hosts multiple bootable systems in bootable partitions which timeshare the host machine on a mutually exclusive basis. A launcher in each bootable system verifies scheduling information for an instance of an application under test residing in the same partition and either permits or prevents continued operation of the instance based on the scheduling information. If continued operation is to be prevented, the launcher triggers a boot next routine to exit and cede control of the computer to the next bootable system on the computer.
Owner:MICROSOFT TECH LICENSING LLC
Retest method based on test of multiple points around coordinate position of test point
InactiveCN104977524ASolve misjudgmentReduce false positivesElectronic circuit testingSystem testingMultiple point
The invention relates to a retest method based on the test of multiple points around the coordinate position of a test point. The method comprises the steps that a routine test is carried out on a pad according to a parsed TST test file; after the routine test is completed, failed pad netlist information is written into a retest file; after the retest file is loaded, according to a preset test scale factor and the pad shape, the expanded test area of the pad to be retested is determined based on the coordinates of the pad, and based on stylus test points in the expanded test area and the number of times of tests, a new retest file is generated; and according to the new retest file, the pad to be retested is retested based on the stylus test points in the expanded test area and the number of times of tests. According to the invention, the retest method can automatically, efficiently and conveniently verify a test result of a flying probe test system; false tests are reduced; and the test reliability is improved.
Owner:THE 45TH RES INST OF CETC
Multimedia based cognitive mental health status parallel test method and system
InactiveCN104657929AImprove test efficiencyImprove accuracyData processing applicationsTest efficiencyHandwriting
The invention provides a multimedia based cognitive mental health status parallel test method. The method comprises steps as follows: corresponding test scale sets are generated by an experimenter according to subject information, and case IDs and passwords are provided for subjects; the subjects input the case IDs and the passwords on client terminals for logging, the test scale sets are displayed, and the subjects start testing by means of a touch screen, a handwriting pen and a video and audio recording equipment and submit test answers to a server; the experimenter monitors the test schedules of the corresponding subjects and grades the test answers of the subjects. The invention further provides a multimedia based cognitive mental health status parallel test system. Therefore, the test efficiency and the test result accuracy are improved.
Owner:潘晓东 +1
Hierarchical switch network device for testing of multiple T/R (transmitting/receiving) modules and method for implementation of hierarchical switch network for testing of multiple T/R modules
InactiveCN104808184ALow costEasy to replaceWave based measurement systemsTest channelComputer hardware
The invention provides a hierarchical switch network device for testing of multiple T / R (transmitting / receiving) modules. By adoption of a hierarchical structure, allocation of test instrument resources is carried out inside a first-level switch network to form N groups of test instrument resources in independent use; a second-level switch network is formed by combination of test channels required by testing of the T / R modules, and test scale expansion or test object change can be realized by increase or replacement of the second-level switch network. In a test scale expansion process, the first-level switch network serving as a common part of the whole switch network is kept unchanged, existing test resources can be fully used in the test scale expansion process, and the expansion requirements on flexibility, quickness and low cost can be met; replacement of damaged switches or cables is pretty convenient and quick, convenience in maintenance and test is greatly improved, and interior complexity is evidently lowered due to splitting of the original switch network into multiple switch networks.
Owner:THE 41ST INST OF CHINA ELECTRONICS TECH GRP
Simulation experiment device for scaling of water heater
The invention provides a simulation experiment device for scaling of a water heater. The simulation experiment device comprises a hard water tank and a constant-temperature water tank, wherein the hard water tank is connected with heat exchange tubes to be tested through hard water pipelines; and the heat exchange tubes pass through the inside of the constant-temperature water tank. With the adoption of the technical scheme, experimental hard water is injected into the heat exchange tubes to be tested, the constant-temperature water tank is used for simulating a usage environment, and the simulation experiment device for scaling of the water heater can be used for testing scaling conditions of the heat exchange tubes with different shapes under the conditions of different water qualities, different flow rates and different temperatures, so that a theoretical foundation is provided for the design of heat exchange tubes in water systems of commercial water heater units.
Owner:GREE ELECTRIC APPLIANCES INC
Automatic acquisition multichannel accelerated attack test device for measuring anti corrosion capability against chloride ion
InactiveCN101419153AStable outputMeet quantity requirementsWeather/light/corrosion resistanceMaterial testing goodsEngineeringTest fixture
The invention relates to an automatic acquisition multi-channel accelerated corrosion test device for measuring the capability against the erosion of chloride ions. A common three-electrode potentiostat is utilized to form a set of device system capable of synchronously measuring a plurality of test samples and automatically recording test data through an integrated circuit, a software and an electrolytic bath which are integratedly and independently developed. The device overcomes the defect that the quantity of the test samples for accelerated corrosion tests at home and abroad is limited by channels of the potentiostat, greatly saves test cost, enlarges test scale, and saves test time. The invention has convenient and simple use, and provides the low-cost and high-efficiency test device for evaluating the capabilities of cement-based grout materials and concrete materials against the erosion of the chloride ions.
Owner:TONGJI UNIV
Fatigue test design method of aircraft engine suspension joint
InactiveCN107328561ASolving the Difficulty of Designing Structural Fatigue TestsAnalysis steps are clearMachine part testingTest designLoad distribution
The invention discloses a fatigue test design method of an aircraft engine suspension joint and belongs to the technical field of aircraft structural part fatigue tests. The method comprises the following steps of: firstly, obtaining suspension joint load under respective load conditions; secondly, distributing the suspension joint load according to a rigidity ratio of rims on the suspension joint to simplify the structural form of a test piece; during a test, loading the suspension joint by using a two-way independent loading way; monitoring the state of the to-be-checked part of the suspension joint to acquire experimental data; and finally, comparing the acquired experimental data and a theoretical analysis result and correcting a calculation model and a calculation result. The fatigue test design method simplifies the test piece according to a law of load distribution according to stiffness, monitors the test piece and corrects the calculation model and the calculation result by using a smart coating and a strain gauge, achieves a test checking and monitoring purpose, and simplifies a test scale and reduces test cost.
Owner:XIAN AIRCRAFT DESIGN INST OF AVIATION IND OF CHINA
Synchronous measurement structure and method for contact resistance and contact force of MEMS materials
InactiveCN104567994ALower requirementSimple structureSolid-state devicesImpedence measurementsScale structureEngineering
The invention discloses a synchronous measurement structure and method for contact resistance and contact force of MEMS (Micro Electro Mechanical Systems) materials, wherein the synchronous measurement structure comprises an insulating substrate, a V-type thermal actuator which is suspended on the upper end surface of the insulating substrate and is made of a conductive material through surface micromachining, a return spring, a movable contact electrode and a fixed contact electrode, as well as a scale structure for reading test scales; the movable contact electrode and the fixed contact electrode are test distance of initial state apart; the V-type thermal actuator, the return spring and the movable contact electrode move close to the fixed contact electrode together by applying current heating expansion, so that opposite sides of the movable contact electrode and the fixed contact electrode are in contact to generate contact force and are used for the synchronous measurement of the contact resistance and the contact force of conductive materials. With the adoption of electrothermal driving mode, the invention is simple and easy to operate, convenient to operate, fast to measure, and further convenient for online testing and high-precision testing; and based on the MEMS processing technology, the invention can reduce the production cost, and is featured with simple structure, small size and strong universality.
Owner:可优微环保新能源(南京)有限公司
Internet test bed topological structure decomposition method and apparatus
ActiveCN108880872ATroubleshooting Simulation Generation IssuesTroubleshoot configuration problemsData switching networksAlgorithmDecomposition
The invention provides an Internet test bed topological structure decomposition method and apparatus. An Internet topological structure can be accurately defined, and the difference between the Internet topological structure and other network systems can be clearly distinguished. The object of the invention is to decompose nodes and edges in an Internet topological graph G into seven bipartite graphs, a matching graph and a kernel graph, and to give the correlation between these decomposed subgraphs, the simulation generation problem of the Internet test bed topological structure can be solved, the configuration difficulty of topological connection relationship of simulation units on the test bed, such as a virtual machine and a physical computing device is solved, thereby realizing realistic construction of the test bed, improving the credibility of a test conclusion of a test task on the test bed, and achieving the economic benefits of reducing the construction cost by reducing the test scale, and compared with the Internet topological structure in the real world, the decomposition precision is not less than 98%.
Owner:FOSHAN UNIVERSITY
Device for preparing natural nanometer fibers through continuous ultrasonic method and continuous ultrasonic method
InactiveCN103060930AAchieving processing powerRealize automatic feedingFilament manufactureFilament/thread formingNanofiberEngineering
The invention discloses a device for preparing natural nanometer fibers through a continuous ultrasonic method and the continuous ultrasonic method and aims to solve the problems that the energy distribution is uneven, the test scale is small and batch industrial production of natural nanometer fibers cannot be met in a prior ultrasonic method for separating and preparing natural nanometer fibers. The device comprises that an ultrasonic tank is embedded in a work platform; a discharge pipe is connected with a discharge port; a plurality of ultrasonic transducers are evenly distributed along the length direction of the ultrasonic tank, and probe ends of the ultrasonic transducers are arranged in the ultrasonic tank; a controller and an ultrasonic generator are arranged under the ultrasonic tank successively; and a reaction still is arranged outside the work platform and above the ultrasonic tank, an input end of a feed pipe is connected with a discharge port of the reaction still, and an output end of the feed pipe is communicated with the ultrasonic tank. The method comprises preparation of a reactant mixture of natural fibrous materials; delivery of the reactant mixture to the ultrasonic tank; ultrasound treatment; discharging; and continuous preparation.
Owner:NORTHEAST FORESTRY UNIVERSITY
Cable stayed bridge for test, and mounting method
The invention relates to the technical field of bridge tests, and especially relates to a cable stayed bridge for tests, and a mounting method. The cable stayed bridge comprises a horizontal main beam, a vertical shear wall and multiple inclined stay cables. Two ends of each inclined stay cable are fixedly anchored to the main beam and the shear wall. Multiple embedded parts are pre-embedded inside the main beam at certain intervals. Each embedded part is detachably connected to a connection plate. The connection plates are fixedly anchored to the inclined stay cables. The test scale, the loading difficulty and the test cost are effectively reduced, the reduced scale proportion of a model can be increased, the bridge is convenient to dismount and assemble, and cable forces can be leveled during a test. During a mounting process, people do not need to damage the main beam structure, the inclined stay cables are effectively preventing from crossing pre-stress pipelines inside the main beam, the overall force bearing of the main beam and the force bearing paths of the inclined stay cables will not be changed, the force bearing performance of the main beam and the inclined stay cables can be truly simulated, and the force bearing performance and the limit force resistance of the inclined stay cables and the main beam after the main beam breaks and stays in a force bearing state can be accurately simulated.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Test case selection method combining static dependence and dynamic execution rules
ActiveCN110554954ASmall scaleReduce testing costsSoftware testing/debuggingContinuous integrationChoice test
The invention provides a test case selection method combining static dependence and dynamic execution rules. In order to select the test cases more accurately to further reduce the test scale, the invention provides a test case selection method of the method level, and the method collects more accurate dependencies by combining static dependency analysis and dynamic execution rules so as to selecta test set with a smaller accurate scale. The method comprises the following steps: firstly, positioning a change method in a submitted code, and collecting a method-level accurate dependency relationship through static analysis and dynamic execution rules; and designing a BFS-based incremental iterative search algorithm to search all affected methods of the change method set, and identifying anaffected test case set from the affected methods. According to the method, the problem that some necessary tests are omitted or some unnecessary tests are selected due to unreasonable dependence analysis of an existing static test case selection method can be solved, and the method has higher application value for frequent and continuous integration tests of a large complex system.
Owner:INST OF SOFTWARE - CHINESE ACAD OF SCI
Large-scale vibration liquefaction test system and design method
InactiveCN107271637ARealize artificial simulationExtended Catastrophe TestEarth material testingTest designSystems design
The invention discloses a large-scale vibration liquefaction test design method which comprises the following steps: Stp1, a large-scale test pit is excavated, filled back with sandy soil and then saturated; Stp2, a water-resistant explosive and a pore water pressure sensor are arranged in the test pit; Stp3, a plurality of groups of single point explosion liquefaction tests are performed, and a single point explosion liquefaction prediction formula is established; Stp4, multi cartridge bag trial explosion tests are performed, and a multi cartridge bag explosion liquefaction prediction formula is established; Stp5, according to the prediction formulas, vibration liquefaction test system prediction parameters are obtained; and Stp6, multi-point explosion liquefaction verification tests are performed, and large-area vibration liquefaction test system design parameters are determined. Large-area vibration liquefaction test environment can be artificially simulated, and multiple purposes of accurately grasp of actual soil liquefaction response rules and characteristics and expansion of catastrophe tests of a large structure in liquefaction environment and the like can be achieved. The invention also discloses a large-scale vibration liquefaction test system, which has the advantages of large test scale, low later test economic cost, wide adaptability and strong expansibility and the like.
Owner:宁波市交通建设工程试验检测中心有限公司
System and method for cell culture scaling
ActiveUS20190218496A1Improve fluid flowTip speed is also reducedBioreactor/fermenter combinationsBiological substance pretreatmentsTest scaleData mining
The present set of embodiments relate to a bioproduction system, method, and apparatus for creating a scalable bioreactor system. Specifically, the present set of embodiments enable the determination of bioreaction performance characteristics of a commercial scale by matching operational parameters between a small test scale bioreaction to that of a commercial scale bioreaction. The system and methods do not rely on simply making bioreactor apparatuses across scales the same dimensionally which would not account for differences in fluid dynamic properties between very small to very large volumes, but requires tuning of a variety of systems (mixing assembly, sparger system, and headspace airflow system) in conjunction with one another to achieve predictive outcomes.
Owner:LIFE TECH CORP
Large-scale integrated interconnection electromigration failure test method
InactiveCN102830338AReduce testing costsShorten test timeIndividual semiconductor device testingVoltmeterEngineering
The invention discloses a large-scale integrated interconnection electromigration failure test method, mainly to solve the problems of high test cost and small test scale in the prior art. The large-scale integrated interconnection electromigration failure test method adopts the following technical scheme: an antifuse is formed on a welding plate of an integrated interconnection line through a plane integration process by using the characteristic that a resistor has a great change before and after the antifuse is programmed, interconnection and antifuse parallel structures are formed, a large amount of the interconnection and antifuse unit structures are connected in series to form a large-scale integrated interconnection multilink structure, and a test current source and a voltage meter are connected to the two ends of the multilink structure respectively and used for testing electromigration failure and recording voltage drop jump point time at the two ends of the multilink structure as interconnection failure time. The large-scale integrated interconnection electromigration failure test method has the advantages of low test cost and high test efficiency, and can be applied to testing large-scale integrated interconnection electromigration failure.
Owner:XIDIAN UNIV
Electrostatic drive-based surface material contact characteristic test structure and test method thereof
InactiveCN104535720ALower requirementSimple structureTelevision system detailsPiezoelectric/electrostriction/magnetostriction machinesChinese charactersScale structure
The invention discloses an electrostatic drive-based surface material contact characteristic test structure which comprises an insulating substrate, an electrostatic actuator, a spring shaped like a Chinese Character 'wang', a movable contact electrode and a fixed contact electrode which are suspended on the upper end surface of the insulating substrate, and a scale structure used for reading the test scales, wherein a test interval is formed between the movable contact electrode and the fixed contact electrode, and a to-be-tested surface material is arranged on the opposite side surfaces of the movable contact electrode and the fixed contact electrode; the electrostatic actuator, the spring shaped like a Chinese Character 'wang' and the movable contact electrode are close to the fixed contact electrode together by applying a voltage to generate electrostatic drive, so that the surface materials are contacted and generate contact force, and the contact characteristic test is realized. An electrostatic drive mode is adopted, the test structure is simple, feasible, convenient to operate, high in measurement speed and low in electrostatic actuation power consumption, the cost can be reduced, and the test structure is based on the MEMS processing technology, is simple in structure, small in size and high in universality, can be used for measuring different materials and is especially suitable for testing the surface material contact characteristics of RF MEMS devices.
Owner:可优微环保新能源(南京)有限公司
Network automatic test method of networking equipment, terminal and computer readable medium
InactiveCN110380926AUnlimited quantityType unlimitedData switching networksTest efficiencyComputer terminal
The invention relates to a network automatic test method of networking equipment, a terminal and a computer readable medium. The method comprises the following steps: acquiring an automatic test program corresponding to the networking equipment; sending a test instruction to the networking equipment according to the automatic test program so as to carry out a network test on the networking device;and receiving a test result sent by the networking equipment. According to the invention, the test scale can be enlarged, automatic test is realized, on-site wiring test is not needed, the test timeis saved, and the test efficiency is improved.
Owner:GREE ELECTRIC APPLIANCES INC +1
Artificial intelligence quotient evaluation method and system
InactiveCN108764677AIQ evaluationUnderstand the degree of intelligenceResourcesEvaluation resultIntelligence quotient
The invention discloses an artificial intelligence quotient evaluation method and system. The artificial intelligence quotient evaluation method comprises the steps of S1, establishing an intelligencequotient test scale, wherein the intelligence quotient test scale comprises a plurality of evaluation index items and weight of each evaluation index item; S2, evaluating an intelligent system to obtain a score of each evaluation index item of the intelligent system; and S3, calculating an evaluation result of the intelligent system according to the score of each evaluation index item of the intelligent system and the weight of each evaluation index item. According to the artificial intelligence quotient evaluation method provided by the invention, the intelligence quotient of the intelligentsystem can be evaluated, and a user can learn the intelligence degree of the intelligent system.
Owner:刘锋 +1
Active phased array system test method and test bench
ActiveCN110146861AWide range of hardware interfacesImprove compatibilityWave based measurement systemsSystem testingPhase Code
The invention discloses an active phased array system test method and a test bench, belonging to the technical field of active phased array radar test. The test bench comprises a CPCI computer chassisfor mounting a test bench assembly, a computer plug-in for calculating amplitude and phase code values of each unit in a to-be-tested active phased array system, multiple photoelectric signal interface plug-ins for configuring input or output interfaces and a power supply module as a power supply. The number of plug-ins can be selected according to a different test item scale to test the active phased array system, the photoelectric signal interface plug-ins have wide hardware interface types, the interfaces are multiple, and the advantages of scalable test scale and good test assembly compatibility are achieved; and timing synchronization is maintained with a near-field test system through the photoelectric signal interface plug-ins, the active phased array systems for different models of products can be tested more conveniently, and promotion and use are worthwhile.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST
Fast test function self-checking circuit and method for integrated circuit multi-parameter tester
ActiveCN110412496AReduce self-test test timeReduce operating costsElectronic circuit testingTester deviceEngineering
The invention provides a fast test function self-checking circuit and method for an integrated circuit multi-parameter tester. The fast test function self-checking circuit comprises a channel matrix,a signal analysis module and a plurality of test ports; the channel matrix is adaptively connected with the test ports and used for selecting one test port to construct a corresponding self-checking channel; the signal analysis module is in communication connection with the channel matrix and is used for self-checking the normality of key characteristics of a signal generation and excitation functional circuit according to the self-checking channel constructed by the channel matrix; the signal generation and excitation functional circuit which passes through self-checking conducts test verification on the normality of key characteristics of a configured signal receiving and analyzing functional circuit. By means of the fast test function self-checking circuit and method, test function verification of the multipath transceiving channel can be cooperatively completed without using external standard test instrument equipment, and the self-checking method is convenient, economical, high intest and application efficiency, capable of adapting to on-site fast self-checking verification of different configuration instrument states on the basis of supporting a test scale and high in versatility.
Owner:CHINA ELECTRONIS TECH INSTR CO LTD +1
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