615 results about "Test evaluation" patented technology

The invention discloses an image super-resolution enhancement method based on knowledge distillation. The method comprises the following steps of 1) obtaining training data and test data; 2) traininga teacher network, wherein the teacher network is provided with a neural network model of a relatively deep convolutional layer; 3) training a student network; 4) performing guidance learning on the student network by the teacher network, and enabling the student network to learn and absorb feature graphs of the teacher network through three sets of guidance experiments; 5) testing and evaluatingan image reconstruction effect; and 6) further guiding the student network according to different matrix relations between the output feature graphs. By means of related thoughts of the knowledge distillation, the performance of the teacher network is transmitted to the student network; the student network model can efficiently run in mobile equipment and embedded equipment with low-power-consumption limitation; and on the premise that the network structure of the student network is unchanged, the PSNR of the student network guided by the teacher network is obviously improved, and a better reconstruction effect is obtained.

A computer implemented process for evaluating a person's employment potential including the steps of:evaluating the person's willingness to relocate based on a first set of questions and expressing that willingness as a first number;evaluating the person's ability to work a length of time each day based on a second set of questions and expressing that willingness as a second number;evaluating a person's sense of influence and control based on a drawing test and expressing that sense as a third number;evaluating a person's current employment characteristics in terms of company opportunity, advancement opportunity, work satisfaction and compensation and mathematically expressing the employment characteristics as a fourth number;and making a career choice based on mathematically combining the first, second, third and fourth numbers.

The present invention relates to a bridge field static load test evaluation method, which is mainly a method for evaluating the bearing capacity and adaptation performance of a bridge by means of a field static load test. The method comprises the following steps: (1) determining specific content and method for collecting relevant data for early stage preparation work; (2) establishing a reasonable and accurate bridge structure finite element model according to the collected data; (3) calculating and analyzing a result according to an endogenous force and a stress of the bridge under dead and live loads, and determining theoretical force bearing safety and live load force bearing characteristics; (4) in combination with a traditional key section of the bridge, determining a bridge test section and completing static load test solution designing; (5) performing the field static test for the bridge and processing the test data; (6) studying an evaluation interval corresponding to a preset test evaluation indicator; and (7) making a reasonable and comprehensive assessment on the structural performance of the bridge. The evaluation method and indicator according to the present invention can more effectively indicate the practical bearing capacity and applicability of the bridge in a refined manner, and improving the reasonability and accuracy of the evaluation result.

The invention discloses a skin type detection and individuation evaluation system and method based on a cloud platform. The detection and individuation evaluation system and method based on the cloud platform are characterized in that a face skin image of a user is directly collected and effective data is extracted from the image and sent to a skin type detection cloud platform through a skin type detection terminal or a user APP; the individuation evaluation system conducts processing on the effective data in the skin type detection cloud platform through the adoption of a series of skin index analysis and process algorithms, and feeds a processing result back to the skin type detection cloud platform after an evaluation result is obtained; the skin type detection cloud platform synchronously sends the processing result to the skin type detection terminal or the user side APP; the user examines the test evaluation result by controlling a client end or the user APP. According to the skin type detection and individuation evaluation system and method based on the cloud platform, a face skin detection instrument and a machine learning technology are combined, a big data analyzing and processing technology and a machine learning method are adopted, an instrument detection result and an evaluation index are continuously optimized, a more accurate detection and nursing method are provided for the user, and a richer and more scientific specimen is provided for the study of face skin health.

The invention discloses a prediction method of multi-functional parameter accelerated degradation testing product life based on multivariate hybrid time sequence analysis, belonging to the technical field of accelerated test evaluation, comprising the steps of test data acquisition and pretreatment; multi-functional parameter time sequence modeling; multi-functional parameter degradation failure prediction; multi-functional parameter degradation accelerated modeling and multi-functional parameter product life prediction; the problem that the prediction is inaccurate since the mutual influence among a plurality of property parameter degradation processes of the product is unconsidered in the single property parameter degradation prediction of the product is solved; a multivariate hybrid time sequence model is put forward in considering monotonicity degradation trend, randomness and cyclical fluctuation in the product multi-functional parameter degradation process and the relativity of the characteristics among the property parameter; a failure criterion of the product multi-functional parameter degradation is put forward; the description to the multi-functional parameter degradation process is more comprehensive and the accuracy of the prediction result of multi-functional parameter accelerated degradation testing life is improved.

The invention provides an automatic drive vehicle test scene construction method based on traffic accident case deconstruction. The method comprises the following steps of (1) extracting scene elements used for testing an automatic drive vehicle by analyzing characteristics of a real traffic scene; (2) arranging a test scene of the automatic drive vehicle, thereby generating test cases used for testing the automatic driving vehicle; and (3) arranging a test scene collaborative control system. The scene elements and typical features are analyzed and extracted through clustering analysis, and important parameters in the real traffic scene are converted into test parameters in combination with cause analysis, so that an automatic drive urban complex traffic scene safety adaptability test evaluation method suitable for industrial development and third-party certification evaluation is constructed.

A method of maintaining a rod of a hydraulic cylinder for a motion compensation system of an offshore platform includes non-destructive testing of a metallic cladding deposited onto the rod. An inspection crawler includes a visual inspection device, an eddy current inspection device and an ultrasonic inspection device. The method includes rotating the visual inspection device, the eddy current inspection device and the ultrasonic inspection device around a circumference of the rod while moving the inspection crawler along a longitudinal axis of the rod to simultaneously collect data related to the metallic cladding from the visual inspection device, the eddy current inspection device and the ultrasonic inspection device. The data is analyzed to detect any discontinuities, i.e., defects, in the metallic cladding.

The invention, which belongs to the technical field of passive detection, discloses a three-station time-difference positioning performance test evaluation method. A three-station time-difference positioning performance test evaluation model is established, and deployment of a time-difference positioning system and a flight route of an airborne radiation source or airborne radar signal simulator are designed; on the basis of a positioning error test result of the whole flight route, an unknown parameter in an integrated time measurement error model is resolved; and with the integrated time measurement error model and a positioning error GDOP model, a positioning error at any position or a positioning error at any plane can be obtained. According to the invention, the resolving method of correlated parameters in the integrated time measurement error model as well as the positioning error in any station distribution mode and at any radiation source position are provided. Therefore, a three-station time-difference positioning performance test evaluation problem according to the background technology can be solved; defects of the ideal or fixed integrated time measurement error model can be overcome; and the method can be promoted to the ground test mode field without radiation source flight.

Systems and methods described herein utilize a distributed server network to allow for the real-time distribution of copies of a data stream uploaded from a computing device. The uploaded data stream corresponds to an environment surrounding a user (exam taker) of the computing device during execution of a testing routine for an examination. Providing copies of the data stream in real-time allows proctors as well as other test assessment authorities to ‘peek in’ on the exam taker's environment during the exam. As a result, the environment surrounding the exam taker can be monitored in real-time to determine whether any visual or audio activity in the environment constitutes activity not in accordance with the exam protocol. Following an affirmative determination that the exam taker violated an exam taking protocol, a proctor or other test assessment authority can then make a final or early decision regarding disciplinary action.

A system consistent with this invention evaluates the performance of a module via a network. Such a system comprises an evaluation module (EVM); a stimulator, separate from the EVM computer, for providing a stimulus to the EVM; an EVM computer running an end user interface for interfacing with the EVM computer, wherein the EVM computer monitors the performance of the EVM and controls the stimulator; and a terminal linked to the evaluation module computer through a network, wherein the terminal displays the end user interface.

The present disclosure relates to an online test assessment management system and method thereof. The system includes a learner-information database to store login information, personal information, and learning level information of a learner; an item pool database to store questions for an online test and outputting the questions on an online test examination screen during the online test; an online test unit to perform the online test through the online test examination screen and to collect data about a sequence of inputting answers by a learner with regard to questions output for the online test, the number of clicks for changing selected answers, and a reaction time taken in inputting a certain answer after a learner selects the certain answer; and a reaction pattern analysis unit to analyze a learner's online test data collected by the online test unit, and to assess, diagnose and electronically report learner's learning level, learning ability and examination behavior to a learner or teacher terminal.

The invention relates to the field of on-line education, particularly to an on-line education system of the mobile Internet. The on-line education system comprises a cloud storage end, a client, a data structuralization unit, a personalized recommendation unit and a learning evaluation unit, wherein the cloud storage end is used for providing cloud storage of massive data and achieving data storage and backup; the client is used for uploading or downloading corresponding data; the data structuralization unit is used for classifying and converting learning data in the data into examinable learning data with fine grain; the personalized recommendation unit is used for carrying out official customization or personalized customization on multiple curriculum templates by users according to the learning data; and the learning evaluation unit evaluates learning conditions of learners according to the data acquired in practice evaluation, test evaluation and learning processes. The embodiment also relates to an on-line education method of the mobile Internet. According to the invention, mass data storage schemes are provided; lecture notes and practices are automatically converted into examinable ones with fine grain, thereby forming evaluable data and improving propriety, efficiency and convenience degree of on-line education.

The invention discloses an integrated desk-type signal simulation platform for a satellite navigation anti-interference test, and the platform comprises a control module which is used for setting scene parameters according to different performance test requirements, generating a navigation message and observation data according to a navigation algorithm, and transmitting the generated data and interference signal parameters to an FPGA; and a signal generation module which is used for generating a navigation signal and an interference signal. The platform is characterized in that, compared with the prior art, the platform achieves the simple and effective testing and evaluation of anti-interference performances of navigation receiving equipment; the platform controls a signal simulation source to generate the satellite navigation signal and the interference signal; the receiving equipment decodes the received mixed signal, and transmits the positioning speed measurement information to the control module for the evaluation of anti-interference performances.

A method, system and apparatus are provided for portable evaluation of metamophopsia. The method, system and apparatus includes a computer application capable of making any handset or portable display terminal into a portable electronic eye evaluation unit, including clinician's and / or automated assistance, test evaluation and re-test if required.

The invention relates to an intelligent substation relay protection noninvasive test system and an intelligent substation relay protection noninvasive test method, which belong to the technical field of electric systems. The intelligent substation relay protection noninvasive test system comprises a network communication module, an SCD analysis module, a test control module, a test excitation module and a test evaluation module, wherein the SCD analysis module, the test control module, the test excitation module and the test evaluation module are respectively connected with the network communication module; the SCD analysis module is respectively connected with the network communication module, the test evaluation module and an HMI for transmitting an SCD file; the network communication module is respectively connected with an MMS network and a GOOSE network for transmitting the SCD file, a test instruction and a test case; the test control module is respectively connected with the HMI, the test excitation module and the network communication module for transmitting the test instruction, and the test control module is connected with the test evaluation module for transmitting a test requirement; the test excitation module is used for receiving the test instruction and outputting the test case to the network Through the system and the method, tests on an SV chain circuit between a merging unit and a protection device as well as a GOOSE chain circuit between the protection device and an intelligent terminal can be implemented, and the test efficiency of an intelligent substation is improved.

The invention supplies program test system and method used to increase program testing efficiency. The method includes the following steps: positioning tested function of the tested program to finish once turning required configuration item; identifying main invoking function and invoked function; controlling the current invoking of the main invoking function to turn to testing special function; invoking corresponding testing special function to test according to the current invoking turning control of the turning control sub-module. The invention also support testing evaluating form based on function invoking, customizable standard. The invention is helpful to software developing especially for C language, can greatly increase line up working efficiency, testing operation usability, and test quality.

The invention discloses a scene-based automatic driving simulation test evaluation service cloud platform and an application method thereof. The system invention is used for automatic driving simulation test and is provided with a client, a cloud and a background management terminal, the client transmits corresponding function operation requirements to the cloud through a function module interface, and the cloud drives corresponding function modules to execute corresponding functions according to the function operation requirements; and the background management terminal manages and maintainsthe cloud and the client. In platform application, the method comprises functional applications of data uploading, data fusion, scene extraction, scene labeling, scene analysis, scene generation, simulation analysis and test evaluation. The whole tool chain including the scene database, the scene extraction and labeling, the scene analysis, the scene generation, the simulation analysis, the test evaluation and the like is integrated to the cloud, unified scheduling, management and use of automatic driving simulation data and test evaluation resources are realized, and the test efficiency is improved.

The invention discloses a report generation method based on a performance test. The method comprises the steps that when a performance test request is received, test items are determined, and corresponding test cases and a performance display model are selected according to the test items; when a request for triggering test execution based on the test cases is received, test data is configured, and the configured test data is imported into the test cases to execute the test cases; performance parameters are collected in the execution process of the test cases, and the performance parameters are imported into a test display model to generate a test performance chart; and when it is detected that execution of the test cases is completed, a test result is acquired, and a performance test assessment report is generated according to the test result and the test performance chart. The invention furthermore discloses a report generation device based on the performance test, implementation anda computer medium. By separating the performance test and performance parameter collection, the accuracy and efficiency of the performance test are improved.

The invention discloses a calibration optimization method and system for speaking test evaluation. The method includes the steps of selecting part of all voice data corresponding to question types to be calibrated to serve as calibration voice data, conducting manual annotation by calibration specialists, obtaining the manual annotation result of the manually-annotated calibration voice data, conducting voice recognition on the calibration voice data through a voice recognition system, extracting evaluation characteristics of different characteristic types corresponding to evaluation standards of the question types to be calibrated from the voice recognition result of the calibration voice data, and training and optimizing existing marking models corresponding to the question types to be calibrated through the combination of the evaluation characteristics and the manual annotation result of the calibration voice data so as to obtain new marking models. Due to the fact that the existing marking models are optimized through the manual annotation result, the new marking models can be matched with the marking standards of existing speaking tests as much as possible, and the better marking performance can be presented when the speaking test evaluation is conducted through the new marking models obtained through the method.

The invention provides a 3D scanning based digital testing system and method for construction deviation of a super high-rise building. Point cloud data of a super high-rise building structure is acquired by a 3D laser scanning subsystem for scanning, a construction deviation digital testing subsystem processes the point cloud data obtained through scanning, a 3D scanning model is obtained, design models are subjected to digital processing, deviation analysis is performed on the 3D scanning model and the digitalized design models, testing evaluation of construction progress, location and dimension deviation of the super high-rise building is obtained, and precise and rapid digital testing of the construction deviation of the super high-rise building can be realized.

The invention discloses a method for machining a fuel manifold with nozzles and of a welding structure. The method includes the welding step, the thermal treatment step and the boring step. Assembly and positioned welding are conducted on each nozzle shell and each pipe at the position, located on the middle arc increasing position, of a small-section welding clamp, and 15 sets of welded nozzle assemblies are formed and corrected at the position; assembly and positioned welding are conducted on every two sets of nozzle assemblies at the middle arc increasing position of the welding clamp according to the general drawing position, and the welded nozzle assemblies are corrected on the original welding clamp; in the process of forming half rings of the manifold, assembly and positioned welding are conducted on each welding seam at the middle arc increasing position of the welding clamp, and the welded welding seams are corrected on the original welding clamp; eventually positioned welding is conducted on the two half rings on the original welding clamp, and the two welded half rings are corrected. The method has the advantages that the welding deformation phenomenon is obviously improved, size accuracy is qualified, the method smoothly passes long test evaluation, the quality is stable, and no fracture failure in the engine test process occurs.

The invention provides a stairwell fire simulation experimental apparatus of super high-rise buildings. The experimental apparatus comprises an experimental apparatus body, a pressurized air supply system, and a supporting measurement and control system. The experimental apparatus body comprises a stairwell, a front chamber and a room construction structure which are corresponding with actual multi-story buildings or super high-rise buildings and are undersize; and the experimental apparatus body is built by steel tubes and formed by welding and sealing steel plates, and refractory glass is adopted for the front face and the right side face. The air output of the pressurized air supply system can be adjusted, thus being capable of fully carrying out studies on a series of fundamental theoretical problems and practical engineering problems in fume flow and control of the super high-rise buildings; a large number of high-temperature glass viewing windows and aided viewing systems are adopted in the experimental apparatus, thus being capable of clearly observing the real-time phenomenon of the fume movement; and a methanol plus incense coil missing fume mode is adopted for fire source selection, thus ensuring safety and cleanness during the whole experimental process and being capable of actually simulating real fire. The stairwell fire simulation experimental apparatus of super high-rise buildings has wide application prospect in design and test evaluation of the fire pressurized air supply system of the super high-rise buildings.

The invention discloses a device for testing active coke desulfurization and denitration performance characterization. The device comprises a simulation gas source system (1), an automatic simulation flue gas distribution system (5), a heating reaction furnace simulation reactor system, a flue gas monitoring and tail gas treatment system and an automatic computer display control system (7). The invention also discloses a method for testing the active coke desulfurization and denitration performance characterization based on the device. According to the method and the device, the operation is simple, rapid and convenient, and the performance indexes such as desulfurization and denitration of active coke (charcoal) products for dry active coke flue gas purification can be subjected to characterization rapidly and accurately. Due to the adoption of the method and the device, the human factor interference in the test evaluation process can be reduced, and the working efficiency of a test is improved. According to the method and the device, the change characteristics of active coke desulfurization and denitration performances before, in and after the operation of a dry active coke flue gas purification technology can be known and evaluated in time, so that technical data support is provided for the design and the operation of a dry active coke flue gas purification project.

The invention discloses a testing and ageing adapter for a semiconductor laser, which comprises an adapter base, an adapter electrode, the semiconductor laser, a spring pressure head, an adapter upper cover and an upper cover fastening bolt, wherein the semiconductor laser is placed in the middle of the adapter base; the semiconductor laser is fixed and compacted by using the adapter electrode and the spring pressure head thereon; and the adapter upper cover provides a mechanical protection effect for the adapter base, the adapter electrode, the semiconductor laser and the spring pressure head, and simultaneously provides a compression platform for testing and ageing of the semiconductor laser to ensure uniform cooling of the adapter base. The invention discloses the testing and ageing screening adapter for the semiconductor laser Chip on Submount (CoS). The adapter provides a reliable and effective testing assessment tool for multiple required properties such as power consistency, wavelength consistency, thermal resistance consistency and the like when a plurality of chips are integrated and encapsulated. Based on the design, corresponding testing parameters are provided, and the feasibility of the design is verified.

The invention discloses a mobile network communication quality evaluation method based on an analytic hierarchy process, which comprises the following steps of: (1) preprocessing indexes constituting a mobile communication network communication quality index system; (2) calculating the indispensable evaluation result according to the indispensable indexes of the mobile communication network communication quality by adopting a secondary analytic hierarchy process model; (3) calculating the selective-test evaluation result according to the selected selective-test indexes of the mobile communication network communication quality; and (4) taking the sum of the evaluation results of the indispensable indexes and the selective-test indexes of the mobile communication network communication quality as the final evaluation result. Adopting the invention not only can realize the benchmarking inspection of the mobile communication network communication quality, but also can obtain the scientific and rational quantitative evaluation result of the mobile communication network communication quality in order to evaluate the communication qualities of different mobile communication networks of different operators.

The invention provides a water-rich loose and broken coal and rock mass grouting solidification experimental device and an effect evaluation method. The water-rich loose and broken coal and rock massgrouting solidification experimental device comprises an experimental cavity formed in a steel structure kettle body, a circulating water pressure loading system communicating with a confining pressure loading system, a grouting system communicating with the confining pressure loading system, an ultrasonic testing system and an electrical resistivity tomography system, wherein the ultrasonic testing system and the electrical resistivity tomography system are connected to the experimental cavity; and the water pressure and chemical grout are input into the experimental cavity of a stratum model, thus the coal measure stratum wave speed, dynamic mechanical parameters and electrical resistivity information in the experimental cavity in the grouting process are monitored in real time through the ultrasonic testing system and the electrical resistivity tomography system, and the water-rich loose and broken coal and rock mass grouting reinforcing effect is evaluated. Multi-field physical evolution law simulation tests in the chemical grouting process in water-rich loose and broken coal and rock mass and the grouting effect are quantitatively evaluated, and the scientific basis is provided for loose and broken coal and rock mass grouting reinforcing parameter determination and effect test evaluation of underground engineering.

The invention discloses an electric propulsion plume test evaluation method, which comprises the following steps: measuring ion beam density, electron concentration and space plasma potential of a main beam plume region and a backflow plume region to obtain a force effect of plume on a satellite solar wing and a thermal radiation effect evaluation result; measuring charging voltage and leakage current of different materials on the surface of a solar cell array in a plume plasma environment and surface potential of the solar cell array in the plume plasma environment to obtain charging and discharging effect evaluation results of the plume for the surfaces of the satellite solar wing and a satellite body; and measuring plasma plume pollution amount of sensitive equipment test samples on thesurfaces of the satellite solar wing and the satellite body to obtain a sediment pollution effect evaluation result of the plume for the sensitive equipment on the surfaces of the satellite solar wing and the satellite body. The method realizes test analysis and research of plume's pollution to satellite surface, ion sputtering corrosion and the impact of plume on satellite surface potential.

The invention discloses a method for evaluating the brightness measuring precision of DeMura equipment. A random number is added to an original grayscale image to generate a noise-added image, a measuring value corresponding to the added random number is obtained via the noise-added image displayed by the DeMura equipment, the brightness measuring precision of the DeMura equipment is evaluated according to correlation between the measuring value and the originally added random number, and the brightness extracting performance of the DeMura equipment. Compared with SNR or CrossTalk test evaluation methods in the prior art, the method of the invention can obtain deviation of the measuring value from a practical value, and can be used to reflect the practical performance of the DeMura equipment quantitatively.