397 results about "Test performance" patented technology

A computer-implemented method is disclosed for transforming academic test performance into personalized feedback and learning recommendations. The method involves presenting an academic test to a user via a user interface of an online learning platform and receiving the user's submitted answers. The system accesses input parameters including historical user-performance data, correct answers, and coaching session data. The user's responses are compared with the correct answers to identify incorrect responses. A prompt generator creates a prompt to guide and constrain an AI engine in analyzing the test responses. The AI engine correlates the incorrect responses with historical performance data and coaching session information to detect learning patterns or recurring errors. Based on the identified patterns, the system generates personalized feedback and targeted learning recommendations to address specific learning gaps. The method enables adaptive, AI-assisted post-assessment guidance, improving learning outcomes through individualized support.

The invention relates to the field of industrial visual inspection, and provides an automatic test performance benchmark construction method which comprises the following steps: dynamically generating ROI (Region of Interest) parameters; performing pixel cutting on the target area of the production line according to the dynamically generated ROI parameters to generate a high-speed image data stream, and aligning the image acquisition moment with the mechanical motion phase of the production line; selecting a matched visual detection model based on target features in the high-speed image data stream, and outputting a defect detection result by the matched visual detection model; according to defect distribution parameters of a preset test scene, the simulation defect features are embedded into the high-speed image data stream, and a mixed test data stream is generated; performing multi-device time sequence alignment on the mixed test data stream and the defect detection result, and packaging into a standardized data set containing a unified time reference; and analyzing the standardized data set, comparing the simulated defect truth value label with a defect detection result, calculating a multi-dimensional performance index of the visual inspection system, and generating a test report containing parameter optimization suggestions.

The invention relates to the technical field of hose performance testing, in particular to a method and system for testing performance parameters of a hose for transporting petroleum, and the method comprises the following steps: collecting corrosion characteristic data through a flexible electrochemical sensing film; utilizing the dynamic physical field model and the crack detection data to simulate the crack propagation path and rate; identifying leakage points through particle motion analysis and evaluating leakage characteristics; combining a multi-mode collaborative evaluation model, integrating corrosion, crack, fluid abnormity and leakage data, and comprehensively analyzing the pressure resistance, sealing performance and corrosion resistance of the hose; and dynamically calculating the residual service life of the hose based on a residual service life prediction algorithm. According to the invention, the problems of insufficient crack detection sensitivity, low corrosion modeling precision and incomplete comprehensive performance evaluation in the prior art are effectively solved, the precision and reliability of the performance parameter test of the petroleum transportation and transfer hose are remarkably improved, and a scientific basis is provided for the operation safety of the hose.

The invention discloses an operation planning optimization modeling enhancement method, which comprises the following steps of: based on an operation planning optimization problem text file, constructing a structured problem representation containing a dependency relationship between constraints and original semantic information; according to the structured problem representation, executing logic consistency deduction by constructing and solving forward and reverse problem pairs, and generating a forward modeling result and a reverse verification set; performing multi-dimensional verification on the forward modeling result to identify potential modeling defects, and generating a structured counter-example test set for the potential modeling defects; and integrating the test performance of the reverse verification set and the structured counter-example test set, evaluating the credibility of the forward modeling result, and generating a final optimization model and a credibility evaluation report. According to the method, the logic preciseness and credibility of the automatic generation model can be improved, and quantitative reliability evaluation is provided for the model.

The technology disclosed teaches a method of testing performance of a device-under-test during cloud gaming over a live cellular network. The method comprises instrumenting the device-under-test with at least one instrument app that interacts with a browser on the device-under-test and captures performance metrics from gaming network traffic. The browser and the instrument app can be invoked using a test controller separated from the device-under-test, causing the browser to connect to a gaming simulation over the live cellular network. A segmented gaming image stream is transmitted to the browser, with segmented playing at varying bit rates and image complexity while the instrument app causes the browser to transmit artificial gameplay events to a gaming simulation test server. Performance metrics from the gaming network traffic are captured, as well as gaming images rendered by the browser during the segmented gaming image stream.

Techniques are disclosed relating to transforming, by a computer system in response to a request to develop an evaluation strategy, the request into a first query for an artificial intelligence (AI) tool. The computer system may retrieve historical information that is related to the first query. The computer system may submit the first query to the AI tool. In response to receiving evaluation strategy information, the computer system may transform the evaluation strategy information into a second query for the AI tool. The computer system may submit the second query to the AI tool. In response to receiving executable code, the computer system may modify the executable code for compatibility with a particular computer system. The computer system may test performance of the modified executable code, and indicate that the modified executable code satisfies one or more performance thresholds for a code release.

The invention relates to a distributed storage performance testing method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: determining parameter value spaces of a plurality of to-be-tested performance related parameters of the distributed storage system, and generating a particle swarm according to the parameter value spaces of the plurality of to-be-tested performance related parameters; acquiring position information and speed information of each particle in the particle swarm; according to the parameter value of at least one performance index parameter in the parameter value configuration of each particle, generating a fitness value of each particle; performing iterative optimization on the particle swarm according to the fitness value, the position information and the speed information of each particle; and determining a target particle with the maximum fitness in the particle swarm after iterative optimization, and performing storage performance test on the distributed system by using parameter value configuration corresponding to the target particle. By adopting the method, the accuracy and efficiency of the storage performance test can be considered.

The invention belongs to the technical field of central control screen performance testing, and particularly relates to a new energy automobile central control screen performance testing device which comprises a dynamic extreme environment reproduction cabin, a bionic man-machine interaction behavior simulator, a multi-modal parameter synchronous acquisition array, an intelligent decision-making level analysis and evaluation engine and a holographic visualization decision-making support terminal. Physical environment support is provided through the dynamic extreme environment reproduction cabin, environment parameters of the dynamic extreme environment reproduction cabin are synchronized to the multi-modal parameter synchronous acquisition array in real time through the CAN bus, and operation data generated by the bionic man-machine interaction behavior simulator and performance indexes acquired by the multi-modal parameter synchronous acquisition array are preprocessed by the edge computing node and then are transmitted to the multi-modal parameter synchronous acquisition array. The holographic visual decision support terminal is transmitted to the intelligent decision level analysis and evaluation engine through the gigabit Ethernet, and an evaluation report generated by the intelligent decision level analysis and evaluation engine drives the holographic visual decision support terminal to display a result, so that the construction of a closed-loop test system is realized, the test efficiency and the performance evaluation accuracy are remarkably improved, and the automation level and the intelligent level are high.

The invention discloses a battery pack test method, a storage medium and electronic equipment, and relates to the field of batteries. The method comprises the following steps: carrying out a charge-discharge test on a to-be-tested battery pack, and obtaining long-cycle test data of the to-be-tested battery pack; performing test condition analysis on the long-cycle test data to check whether the to-be-tested battery pack has an abnormal point, and outputting an abnormal point check result; and inputting the long-loop test data into a preset algorithm program under the condition that the abnormal point checking result is passed, and obtaining a test performance report of the to-be-tested battery pack according to the preset algorithm program. According to the invention, the problem of low long-cycle test efficiency of the battery pack in the prior art is solved.

The invention discloses a hard disk testing method and device, electronic equipment and a storage medium. The method comprises the steps of obtaining a standard performance value of a hard disk; performing a read-write test on the hard disk to obtain a test performance value of the hard disk; drawing the test performance value in a coordinate system; wherein the horizontal axis of the coordinate system corresponds to the time, and the longitudinal axis corresponds to the test performance value; fitting the test performance values in the coordinate system by adopting a least square fitting mode to obtain a fitting curve; and comparing the standard performance value with the fitting curve to obtain a consistency test result of the hard disk. According to the invention, the accuracy of hard disk consistency testing is improved.

The invention relates to the technical field of electromagnetic valves, and particularly discloses an electromagnetic valve performance testing tool which comprises a bottom plate, a fixing block is mounted at the top of the bottom plate, a rotating plate is rotatably mounted at the top of the fixing block, a valve body is placed at the top of the rotating plate, a clamping mechanism is arranged at the top of the rotating plate, and a top plate is arranged at the top of the bottom plate. A plurality of industrial cameras are installed at the bottom of the top plate, a driving mechanism is arranged in the fixing block, fixing plates are installed on the outer walls of the two sides of the fixing block, and cleaning mechanisms are arranged on the tops of the two fixing plates. According to the invention, when multiple performances of the electromagnetic valve need to be detected, the multiple performances of the electromagnetic valve can be detected in sequence by means of mutual cooperation of multiple parts of the clamping mechanism and the cleaning mechanism, and the electromagnetic valve does not need to be transferred for multiple times by a worker, so that the efficiency of detecting the multiple performances of the electromagnetic valve can be remarkably improved; and the use requirements of people on multiple performance detection of the electromagnetic valve are met.

The invention discloses a method and system for testing the performance of a magnetic flux leakage detection probe, and relates to the related field of magnetic flux leakage nondestructive detection.The method comprises the steps that a magnetic field is generated on the surfaces of a plurality of standard defect simulation samples through an excitation component, magnetic flux leakage signals are excited, the magnetic flux leakage signals are received through a magnetic flux leakage detection probe array, and a probe electric signal set is output after conversion; performing sensitivity feature extraction on the probe electric signal set, and analyzing to obtain a probe sensitivity test result; extracting stability characteristics, and analyzing to obtain a probe stability test result; multi-mode switching reliability feature extraction is carried out, and a probe multi-mode switching reliability test result is obtained through analysis; and integrating test results to obtain a probe performance test result. The technical problems that in an existing magnetic flux leakage detection probe performance test, the accuracy of a test result is difficult to guarantee, and the test efficiency is low are solved, and the technical effects of improving the accuracy and reliability of the test result and improving the test efficiency are achieved.

The invention relates to a sensor performance testing method, system and device and computer equipment. The method comprises the steps of obtaining an output amplification signal of a sensor to be tested, obtaining a plurality of performance measurement indexes of the sensor to be tested based on the output amplification signal, and determining that a performance test result of the sensor to be tested is test pass under the condition that each performance measurement index meets a preset standard performance condition, and the sensor to be tested is covered by a shielding box. According to the method, in the testing process, the sensor to be tested is covered by the shielding box, so that electromagnetic interference generated in the external environment where the sensor to be tested is located can be isolated, the obtained output amplification signal of the sensor to be tested is a non-electromagnetic signal, the precision of the obtained output amplification signal of the sensor to be tested is improved, and the testing accuracy of the sensor to be tested is improved. And on the basis of high-precision output of the amplification signal, the accuracy of the test performance result of the sensor can be further improved.

The invention provides a performance testing method, device and equipment for an embedded multimedia card and a storage medium, and relates to the technical field of storage testing, and the method comprises the following steps: carrying out benchmark testing on the embedded multimedia card to obtain benchmark performance data; dynamically adjusting a power supply according to the reference performance data during read-write operation of the embedded multimedia card to obtain test performance data of different adjustment strategies; analyzing response performance of a power-off notification mechanism function of the embedded multimedia card according to the test performance data to obtain performance analysis results of different adjustment strategies; optimizing a power-off notification mechanism of the embedded multimedia card according to a performance analysis result; and testing the optimized embedded multimedia card under various power supply fluctuation conditions to obtain a performance test report. Test conditions and parameters are dynamically adjusted according to real-time feedback, and a power management and data transmission mechanism of the embedded multimedia card is optimized, so that the response time of a power-off notification mechanism is shortened.

The invention relates to the technical field of building thermotechnical testing, solves the technical problem that in the prior art, due to the fact that an experimental environment lacks the sky background radiation cold effect, the accuracy of enclosure structure performance testing is low, and provides an enclosure structure performance testing method and system coupled with the sky cold and hot radiation effect. The method comprises the following steps: establishing an equivalent sky effective temperature control model according to a meteorological database; acquiring test environment parameters through a test environment parameter control module according to the equivalent sky effective temperature control model; acquiring real-time test data of the enclosure structure test piece under the control of the test environment parameters through a test data acquisition module according to the test environment parameters; and analyzing the real-time test data through a test data analysis module to obtain a test result. The controllable equivalent sky effective temperature model is introduced, and the problems that in the prior art, the sky background radiation cold effect is lacked, and the deviation between the test result and the actual building service environment is large are effectively solved.

The invention discloses an independent testing device for deep sea steady-state performance of a hydraulic valve and a testing method thereof, and belongs to the technical field of hydraulic element testing. An oil inlet of the hydraulic pump is connected with an oil tank through a filter, the motor is connected with the hydraulic pump through a coupler, and an oil outlet of the hydraulic pump is connected with a one-way valve. A branch connected with an oil outlet of the one-way valve is sequentially connected with a safety valve and a first throttle valve and returns to the oil tank; a second stop valve, a tested hydraulic valve, a high-pressure flow meter, a third stop valve, a second throttling valve, a back pressure valve and a third throttling valve are sequentially connected into a main oil path connected with an oil outlet of the one-way valve and finally return to the oil tank; an oil inlet and an oil outlet of the tested hydraulic valve and an oil outlet of the second throttle valve are connected with a pressure gauge; the tested hydraulic valve is positioned in the pressure container; the oil outlet of the one-way valve is further connected with the oil outlet of the second throttling valve through a first stop valve. The back pressure valve is connected with a fourth stop valve in parallel. The problem that performance parameters of the hydraulic valve are difficult to test in a deep sea ultrahigh pressure environment is solved.

The invention relates to the technical field of hydraulic hoists, in particular to a testing device and a testing method for testing the performance of a hydraulic hoist, the testing device comprises a testing oil cylinder, a loading oil cylinder, a hydraulic system and an electric control cabinet, and the testing oil cylinder and the loading oil cylinder are connected into a whole. The tension and pressure between the test oil cylinder and the loading oil cylinder become the system internal force of the whole structure, external force intervention is reduced, the test accuracy is improved, meanwhile, the load equivalence principle is adopted, the door opening time and the door closing time of the rapid hydraulic hoist are set, the load capacity of the rapid hydraulic hoist under different test working conditions can be simulated, and the test efficiency is improved. Therefore, various performances of the rapid hydraulic hoist can be observed, and the test device satisfying the performance test of the rapid hydraulic hoist is provided. According to the test method, the pump station and the control valve group are controlled to act through the electrical control cabinet, the labor intensity of workers is reduced, the test cost is saved, the test convenience can be improved, and the test accuracy is improved through the test device.

The invention discloses a thermal vacuum and thermal cycle test system for a space micropump, and aims to solve the problems that a medium leaks in a high and low temperature test process of an existing test system, the space micropump cannot operate normally after air enters a test loop, and even the test cannot be carried out. The device comprises a thermal circulation assembly, a transfer injection tank, a connecting piece, a first hand valve, a first pressure gauge, a vacuum pump, a second hand valve, a second pressure gauge, a pressure reducer and an air source, the thermal circulation assembly is connected with the first hand valve and the second hand valve through the connecting piece, the first hand valve is connected with the first pressure gauge through a connecting pipeline, and the first pressure gauge is connected with the vacuum pump through a pipeline; the second hand valve is connected with a long guide pipe connector of the transfer injection tank through a pipeline, a short guide pipe connector of the transfer injection tank is connected with a second pressure gauge through a pipeline, and the second pressure gauge is connected to a pressure reducer which is connected with an air source. The sealing device is simple in structure, easy to machine and high in sealing reliability. The device is used for high and low temperature test performance testing of the space micropump and the pump valve assembly.

The invention relates to a chip evaluation report generation method and device, a storage medium and electronic equipment, and relates to the technical field of artificial intelligence, and the method comprises the steps: determining a to-be-tested chip and to-be-tested performance associated with the to-be-tested chip, obtaining original chip performance data corresponding to the to-be-tested chip and a historical test report example associated with the to-be-tested performance; based on a preset report outline generation model, according to the to-be-tested performance and the historical test report examples, generating a test report outline corresponding to the to-be-tested chip; generating a performance test result according to the original chip performance data based on the content generation large model, and mapping the performance test result to a test report outline to obtain an original chip evaluation report; and evaluating the original chip evaluation report based on a preset report evaluation model to obtain a report evaluation result, and determining a target chip evaluation report according to the report evaluation result and the original chip evaluation report. According to the invention, the generation efficiency of the evaluation report is improved.

The invention discloses a miniature nuclear battery performance testing device and method based on an electrostatic accelerator. The miniature nuclear battery performance testing device comprises a bottom plate, and a front suspension bracket, a monitoring detector bracket, a sample bracket and a rear suspension bracket which are sequentially arranged on the bottom plate along a linear direction, the front suspension frame is provided with a front center hole and a scattering target, the scattering target is provided with a gold film and a plurality of beam channel holes, the gold film covers the plurality of beam channel holes, and the plurality of beam channel holes are all aligned with the front center hole; the monitoring detector bracket is used for placing a monitoring detector in an inclined manner; the sample bracket is used for placing a sample in an inclined manner; the rear suspension bracket is used for being fixed in a vacuum chamber of the electrostatic accelerator, a rear center hole is formed in the rear suspension bracket, and the rear center hole is aligned with the front center hole; after the scheme is adopted, the output characteristic curve and the electrical property parameters of the nuclear battery sample to be detected can be obtained under the condition that the nuclear battery sample to be detected carries isotope radioactive sources of various types and various activities.

The invention relates to the technical field of fuel cells, in particular to a fuel cell gas diffusion layer performance comprehensive evaluation method and system and electronic equipment. The method comprises the following steps: acquiring multiple evaluation parameters of a target gas diffusion layer in the fuel cell under an actual working condition; wherein the multiple evaluation parameters comprise a polarization test performance parameter, an electrochemical impedance spectroscopy test performance parameter and a heat conduction test performance parameter; and obtaining a pre-constructed comprehensive evaluation model, and substituting the multiple evaluation parameters into the comprehensive evaluation model to obtain a comprehensive evaluation result of the target gas diffusion layer. Therefore, according to the fuel cell gas diffusion layer performance comprehensive evaluation method and system and the electronic equipment provided by the invention, the problem that an existing evaluation system only measures a single function and neglects a synergistic effect is fundamentally solved, comprehensiveness of evaluation dimensions is realized, designers can be helped to avoid overview decision errors, and the evaluation precision is improved. And a clear basis for model selection or GDL structure optimization guidance can be provided for designers.

The invention discloses a paper tape wear resistance testing machine, which relates to the technical field of wear resistance testing equipment, and comprises a winding assembly mounted at one end of a rack and used for winding a paper tape. According to the wear resistance testing machine for the paper tape, the cooling mechanism, the cooling plate and the leveling roller extrude and cool the paper tape, and meanwhile, the swing plate rotates and swings back and forth to generate airflow, so that residual heat on the paper tape is taken away by the airflow, and the influence on the test performance of the paper tape due to expansion of the surface of the paper tape caused by friction is avoided; fibers can be helped to recover to the original state through cooling, the possibility of breakage of the paper tape is reduced, when the paper tape is accidentally broken, the breakage condition of the paper tape is reflected through the triggering mechanism, the limiting mechanism is triggered to press the broken and retracted end of the paper tape, the broken end of the paper tape is prevented from continuing to retract, the downtime is shortened, the test is rapidly recovered, and the test efficiency is improved. Abnormal abrasion of the workpiece or long-time interruption of data recording can be reduced, the accuracy of a test result is ensured, and the influence of test delay on the whole progress is reduced.

The invention discloses a method and device for measuring the thickness of an LED wafer of a vertical structure, a spot measurement machine table and a medium, and relates to the technical field of wafer measurement, and the method comprises the steps: loading a wafer on the spot measurement machine table; image information of the wafer is collected, and mark points of the wafer are identified according to the image; constructing at least two measurement points according to the mark points; respectively measuring height information of the measuring points; calculating thickness range information and total thickness change information of the wafer according to the height information; judging whether the wafer is qualified or not according to the thickness range information and the total thickness change information; if yes, testing performance parameters of each chip in the wafer, and cutting the wafer to form independent chips; and if not, a thickness abnormity alarm signal is generated. According to the invention, the thickness test and the performance test can be carried out through the same point test machine, the transfer frequency of the wafer is reduced, the technological process is reduced, and the production efficiency is improved.

The invention discloses a rapid fuse test system based on model data supplement, and belongs to the technical field of fuse test. In order to solve the problems of insufficient data and too slow speed in a fuse test process, the test preparation unit is used for ensuring that an authorized and approved fuse test application can be executed by starting and managing a preliminary stage of a test process, and the preliminary stage of starting and managing the test process comprises receiving and approving the test application; the test execution unit is used for implementing a fuse test plan and monitoring test activities, managing the state and use of the fuse, and ensuring effective distribution of test resources and smooth test; and the data recording unit is used for collecting the test result of the fuse, maintaining the test data of the fuse, evaluating the test performance through an analysis tool and guiding a subsequent test strategy, so that the whole step of quickly testing the fuse is realized, and the test speed and effect of the fuse can be improved.

The invention provides a device and a method for mass production testing of high-speed interface chip performance, and belongs to the technical field of chip mass production testing. The system comprises a test machine and a test board, an attenuation loopback link is designed on the test board, the attenuation loopback link has a predetermined attenuation value, the test machine provides a test function and test resources, a chip is fixed on the test board through a socket, and the test board is connected with the test machine. An uplink and a downlink output by the chip are respectively connected with the attenuation loopback link through a multi-path sending end and a receiving end, and the test machine is connected with the test board through a JTAG (Joint Test Action Group) interface. Meanwhile, the SERDES performance of the chip is comprehensively tested through a series of operation processes including power-on, configuration, correct code stream test, error injection test and result judgment, so that the quality and the performance of the chip are ensured to meet the requirements.

The invention is suitable for the technical field of lasers, and provides a pulse laser performance test system, a pulse laser performance test method and a control device. The pulse laser used for realizing different functions and generating corresponding to-be-tested performance parameters is connected with the control device; presetting test items of various performances of the pulse laser through the control equipment; at least two test devices are respectively connected with a control device, and the test devices are used for analyzing and testing the performance parameters to be tested of the pulse laser and sending obtained test results to the control device, so that the control device records the corresponding performance test results. By setting information such as various testing modes in the control equipment in advance, full-automatic testing of various parameters of the pulse laser is achieved, in addition, multi-equipment cooperative testing can be achieved, and the production efficiency is improved.

The invention provides a method for testing the performance of a high-performance PE film, and relates to the technical field of PE film testing. The method for testing the performance of the high-performance PE film comprises the following steps: S1, taking a PE film with the length and the width of 1m, clamping the four edges of the PE film by using a movable clamp, and horizontally spreading the PE film; s2, a movable point-shaped light source is installed below the PE film, and light rays generated by the point-shaped light source face the PE film; and S3, a movable photosensitive sensor is installed below the PE film and used for receiving light, and the photosensitive sensor is externally connected with a signal converter and a computer. According to the invention, by utilizing a single light transmission test, not only can the light transmission of the high-performance PE film be tested, but also the uniformity, ductility, tensile resistance, heat resistance, cold resistance, tear resistance and elongation at break of the high-performance PE film can be detected, so that the test cost is low, the test time is short, the data volume embodied by a single test is richer, and the test efficiency is improved. And the test is more comprehensive.

The invention provides a test method of a high-precision greenhouse gas concentration observation system, which belongs to the technical field of concentration observation and comprises the following steps: configuring test schemes based on different test performances for the concentration observation system according to the system structure of the concentration observation system; performing measurement medium deployment on the concentration observation system according to the test scheme, performing performance test on a corresponding test target based on the deployed measurement medium, and constructing a corresponding performance matrix; analyzing each performance matrix, and setting an abnormal level label for the corresponding performance matrix in combination with the performance standard of the corresponding test performance; and generating an early warning report of the concentration observation system based on all the abnormal level labels for reminding. According to the method, device deployment is carried out on the concentration observation system through test schemes under various test performances, multi-aspect performance test is realized, and an early warning report for the system is output through matrix analysis and label setting, so that the system performance meets the required observation requirements and the reliability of the system is ensured.

The invention discloses a device and a method for testing the performance of a dynamic pressure sensor in a high-temperature environment, belongs to the technical field of pressure measurement, and aims to solve the problem that the dynamic response characteristic and the measurement precision characteristic cannot be quantitatively evaluated when the dynamic pressure sensor performs dynamic pressure measurement in the high-temperature environment. The method comprises the following steps: firstly verifying the characteristics of a tested sensor in a normal-temperature working mode based on a pipe wind tunnel, and then in a high-temperature working mode, utilizing the characteristic that the influence of airflow temperature on the pressure output of the sensor is negligible, according to the in-situ actual measurement output of a post-wave total pressure sensor, and according to the relationship between the post-wave total pressure and the wave-front total pressure, calculating the wave-front total pressure of the tested sensor. And the theoretical value of the high-temperature-state wavefront total pressure is used as a standard given value of the tested sensor adopting a pressure guiding pipe mode in a high-temperature working mode. According to the method, corresponding theoretical support can be provided for the standard pressure and the environment temperature, and the standard pressure and the environment temperature can be adjusted.

The invention relates to the technical field of direct-current stabilized power supply performance testing, in particular to a direct-current stabilized power supply performance parameter testing method and system, and the method comprises the steps: collecting the output voltage data of a direct-current stabilized power supply within a preset time period under each preset target output voltage; uniformly dividing each preset time period into each sub-time period and numbering the sub-time periods according to a time sequence to obtain an amplitude distribution coefficient of each same frequency under each target output voltage; screening the characteristic frequency of each ripple; acquiring amplitude change characteristic values of the same ripple characteristic frequencies in the same sequence number sub-periods under all target output voltages; acquiring the ripple same-frequency difference degree of each same ripple characteristic frequency; screening each ripple frequency from all the same ripple characteristic frequencies, and obtaining the ripple floating ratio of each target output voltage; and evaluating the abnormal condition of the performance of the DC stabilized power supply. The invention aims to realize comprehensive and accurate evaluation of the performance of the direct-current stabilized power supply.