21results about How to "Flexible testing" patented technology

The invention discloses an antenna far field test system and method based on weather radar base data, and relates to the technical field of weather radar test. The transmitting antenna is mounted on the first antenna turntable and rotates along azimuth, pitching and polarization axes; an antenna to be tested and a standard horn antenna are installed on a second antenna rotary table through a radar receiver, the aperture faces of the antenna to be tested and the standard horn antenna form an included angle of 180 degrees, mechanical axes are coaxial, and the antenna to be tested and the standard horn antenna rotate along azimuth and pitch axes. The data processing device is connected with the radar receiver. The testing process is simplified, and the equipment cost and the maintenance cost are remarkably reduced. The test time is shortened, and the test precision of gain, beam width, sidelobe level and the like of the to-be-tested antenna is improved. The whole system has wider adaptability in practical application and is not limited by specific climate conditions. The test process is accelerated, and errors caused by human factors are reduced. The method has the advantages of simplicity in operation, high automation degree, high adaptability and the like, and the measurement precision and the test efficiency of antenna performance parameters are remarkably improved.

The invention belongs to the technical field of computer networks, and particularly relates to a method for testing a RoCE network card transmission exception handling function. Aiming at the problems that the RoCE network card adopts a protocol unloading mode and realizes RoCE protocol processing in a black box form, so that a RoCE protocol message cannot be acquired, and a transmission exception processing function of the RoCE network card cannot be tested, the RoCE protocol message of the RoCE network card is acquired by adopting a method of interconnecting a SoftRoCE + Ethernet card and the RoCE network card by utilizing the technical characteristic that the RoCE protocol processing is realized in a software form, so that the RoCE protocol message of the RoCE network card can be tested. The transmission exception handling function of the RoCE network card is tested; according to the method, the problem that the protocol processing message cannot be acquired due to the fact that the RoCE network card is a black box is solved.

The present invention provides a simulation device and method for purifying mine water by underground reservoir rock mass, the simulation device comprises a purification module group, which comprises at least one purification unit connected in series, the purification unit comprises a plurality of purification modules assembled and connected in a modular manner, each of the purification modules is filled with underground reservoir rock mass with a preset particle size distribution; and a water storage component, which is connected to the inlet of the purification module group to supply the mine water to be purified. By using the simulation device, the test purification path can be effectively increased, the test cycle can be shortened, and the modular assembly is adopted, which is easy to install and operate, and effectively saves installation time.

The invention belongs to the field of microelectronic metering testing, and particularly discloses an integrated circuit standard sample wafer and a testing method thereof, and the standard sample wafer comprises a substrate, and a system-on-chip SoC, an analog-to-digital converter, a digital-to-analog converter, a reference source and a data selector which are mounted on the top surface of the substrate; the SoC is used for controlling the output, acquisition and feedback control of a standard signal; the analog-to-digital converter is used for realizing acquisition and closed-loop feedback of standard signals; the digital-to-analog converter is used for realizing output and closed-loop feedback of a standard signal; the reference source is used for providing a reference voltage of the analog-to-digital converter and a reference voltage of the digital-to-analog converter; and the data selector is used for realizing channel switching of the data test system so as to realize multi-channel test of a single standard sample. According to the invention, the test work efficiency of the integrated circuit test system can be improved.

The wireless test method for the MEMS sensor comprises the following steps: pre-processing voltage data by a mobile terminal, and calculating the sensitivity of the currently tested sensor: pre-processing the sensor data: performing moving average filtering processing on the sensor data, determining a voltage reference value, and calculating the sensitivity of the currently tested sensor; in the process of testing the sensitivity of the sensor, when the sensor is subjected to external excitation, the output voltage of the sensor changes, the variable quantity of the voltage of the sensor relative to the reference value is calculated, and the ratio of the variable quantity to the reference value is calculated as the sensitivity of the sensor; presetting a maximum threshold value and a minimum threshold value of the sensitivity; if the sensitivity of the sensor is between the sensitivity minimum threshold value and the sensitivity maximum threshold value, the sensitivity of the sensor meets the requirement, and if the sensitivity of the sensor is not between the sensitivity minimum threshold value and the sensitivity maximum threshold value, the sensitivity of the sensor does not meet the requirement; and displaying the sensitivity data of the sensor meeting the threshold requirement.

The invention provides a verification platform and method for an I3C concentrator. A test case layer is used for providing a first type of test excitation for a simulation host and / or a simulation slave; the target simulation host and the target simulation slave execute the first type of test excitation through the test object, and obtain a host transmission transaction packet and a slave transmission transaction packet in the execution process; the target simulation host sends the host transmission transaction packet to a test case layer; the target simulation slave sends the slave transmission transaction packet to a test case layer; and the test case layer determines whether verification is passed or not according to the host transmission transaction packet and the slave transmission transaction packet. The test case can be flexibly selected, and the host transmission transaction packet and the slave transmission transaction packet are independently captured and compared, so that the transparent transmission path corresponding to the target simulation host and the target simulation slave in the test object is flexibly tested, and the isolation function verification is completed.

The invention relates to the technical field of electrolyte battery performance monitoring, in particular to an ultra-high-temperature electrolyte battery performance monitoring system, which comprises a battery division module, a constant-temperature battery pack and a variable-temperature battery pack, the temperature division module is provided with a plurality of test temperature points; the constant-temperature test module performs constant-temperature charging and discharging test and records constant-temperature battery parameters; the constant-temperature analysis module is used for analyzing the plurality of constant-temperature battery parameters, determining the actual anomaly degree, and obtaining and adjusting the constant-temperature battery parameters and determining the constant-temperature performance based on a comparison result with a preset anomaly degree interval, or determining that the constant-temperature performance of the electrolyte battery is poor; a temperature change test module draws a temperature rise parameter change curve and a temperature drop parameter change curve; the temperature change analysis module determines the temperature rise stability and the temperature drop stability, adjusts a preset temperature interval when abnormity occurs, and determines the temperature change performance of the electrolyte battery; and the performance evaluation module determines the comprehensive performance of the electrolyte battery. According to the invention, the accuracy of the performance evaluation result of the electrolyte battery at high temperature is improved.

The utility model relates to the technical field of semiconductor detection, and discloses a test probe capable of preventing probe head deformation, which comprises a test probe rod and a test probe head, the test probe head is arranged on the left side of the test probe rod, a protective sleeve is arranged outside the test probe head, the front end and the rear end of the test probe head are fixedly connected with first magnetic strips, and the first magnetic strips are arranged on the protective sleeve. The bottom end of the protective sleeve is fixedly connected with a first buffer ring, the top end of the protective sleeve is fixedly connected with a second buffer ring, and the front end and the rear end of the interior of the protective sleeve are fixedly connected with second magnetic strips. According to the test probe capable of preventing the probe head from deformation, the test probe head can be protected through the protective sleeve, the first buffer ring and the second buffer ring on the protective sleeve have buffer and protection effects when the test probe is subjected to external force, the test probe head can be prevented from deformation, and the test probe head can be prevented from deformation only by pushing the protective sleeve downwards during use. And the second magnetic strip on the protective sleeve can be taken down after being separated from the first magnetic strip, so that the problem that the needle head is easy to deform is solved.

The invention belongs to the technical field of fuel cells, and particularly relates to a fuel cell flow velocity field on-line test device and method, and the device comprises a separation plate and a flow velocity measurement plate which are arranged in a stacked manner. Flow velocity sensors are assembled on the upper surface of the flow velocity measuring plate in an array mode. A signal channel and a current channel are formed in the flow velocity measuring plate, and the signal channel is formed in the position of the flow velocity sensor; the lower surface of the flow velocity measuring plate is provided with a cooling water flow field. A mounting hole for penetrating through the flow velocity sensor and an air hole are formed in the partition plate; the upper surface of the partition plate is provided with a cathode gas flow field; the device is provided in place of a bipolar plate in a fuel cell. Compared with the prior art, the problems that in the prior art, a test structure is complex, and a test result highly depends on the precision of a calculation model are solved. According to the scheme, on-line measurement of flow velocity field distribution in the fuel cell is achieved, the device can replace a bipolar plate to be assembled at any cell, and testing is flexible.

The present application discloses a remote control test method, device, storage medium and electronic device for a terminal, the method is applied to the field of remote control debugging of electric power equipment, the method comprises: when it is detected that the communication connection between the terminal to be tested and the distribution network master station is disconnected, generating a test instruction according to a preset terminal control instruction; sending the test instruction to the terminal to be tested, and receiving the first response data of the terminal to be tested in response to the test instruction; determining the remote control test result of the terminal to be tested according to the first response data. Through the present application, the problem of low test efficiency caused by the existing remote control operation debugging requiring joint control of multiple persons and a single test content, which wastes time and energy, is solved when debugging the remote control function of the distribution network terminal in the distribution network automation system in the related technology.

The utility model discloses a kind of multifunctional hydrometallurgy leaching industrial test lines, comprising: sizing filter unit, leaching output unit and air supply unit.Sizing filter unit is used to prepare slurry after adding sizing solvent and raw ore, and make it output after multistage filtration.Leaching output unit includes multiple leaching tanks sequentially arranged and sequentially connected, and the input end of multiple leaching tanks is connected to sizing filter unit to be connected in parallel, and the output end of multiple leaching tanks is also respectively connected to smelting system.Air supply unit includes air compressor, buffer tank connected to air compressor, air conveying pipe group connected to buffer tank, and multiple air conveying pipes of air conveying pipe group are inserted into multiple leaching tanks one by one downward and do not extend into tank bottom of leaching tank.The new test line has wide application range, flexible and variable test, and can solve the existing technical problems of "compressed air is introduced into tank bottom to blow off unreacted material, which causes long-time wear of ore slurry and tank bottom, resulting in thinning of tank bottom and liquid leakage".

The utility model discloses a transistor characteristic frequency test experiment device, which relates to the field of transistor characteristic frequency test experiments and comprises a first input module, a test module, a liquid crystal display module, a first measurement module, a second input module and a second measurement module. The test module is electrically connected with the first input module, the second input module, the liquid crystal display module, the first measurement module and the second measurement module. According to the transistor characteristic frequency test experimental device, the high-precision digital source meter is adopted to realize direct test of the transistor characteristic frequency and indirect test of the transistor characteristic frequency through gain bandwidth product, the high-precision digital source meter can be adopted for measurement, the output signal is stable and accurate, and the test efficiency is high. Errors generated in the testing process can be automatically calibrated, compensated and corrected, it is ensured that the accuracy and reliability of a testing result are not prone to being affected by environmental factors, and the reliability of the testing result is improved.

The application relates to the technical field of petrochemical workwear flame-retardant performance detection, and specifically discloses a petrochemical workwear flame-retardant performance detection system, which comprises a base, a mounting frame arranged on the base, a shell arranged on the base, and a control panel arranged on the shell; an analog assembly, a driving element, an elastic connecting element and a rolling roller, the mounting disc and the driving element are both mounted on the mounting frame, the elastic connecting element is mounted on the mounting frame, the rolling roller is arranged on the elastic connecting element, the rolling roller is in movable abutment with the mounting disc, the driving element drives the elastic connecting element to reciprocatingly swing on the mounting frame, so that the rolling roller repeatedly rolls the workwear sample fixed on the mounting disc; a combustion assembly, a sliding frame and a spray gun used for burning the workwear sample; and a detection assembly, a visual camera, the visual camera can detect the burning condition of the workwear sample in real time. The application has the effects of simulating complex and changeable use environments and improving the accuracy and comprehensiveness of the detection system.

The application provides a method for quickly testing the free falling section height of slurry in a filling vertical pipe, a plurality of sensors are arranged at specific positions of the filling pipe, a test ball with a signal transmitter arranged inside and the same density as the slurry is made to freely fall from a discharge port along with the slurry, the time when the test ball passes through each sensor is recorded, and finally the free falling section height of the slurry in the filling vertical pipe is calculated according to the test result and known conditions. The test ball with the same density as the slurry is made to move into the filling vertical pipe at the same time as the slurry, the arrangement positions of the sensors are matched, and the free falling section height of the slurry in the filling vertical pipe is accurately and ingeniously calculated by using the test result, the position of the section of the vertical pipe which is easy to be damaged during filling in different areas is found out, data support for optimizing the pipe network design is provided, the operation and running safety of the filling vertical pipe is ensured, the service life of the filling vertical pipe is prolonged, and the application can be popularized and applied on a large scale in the fields of wear detection of mine filling vertical pipes and optimal design of filling pipe networks.

The invention relates to the technical field of power system automation, and discloses a transformer substation remote automatic joint debugging acceptance method, system and device and a medium, and the method comprises the steps: generating an exclusive check parameter template of a to-be-joint-debugged transformer substation through a machine learning model; configuration analysis is carried out on configuration carriers of the main station and the to-be-joint-debugged transformer substation to obtain related three-remote configuration information, and static checking is carried out on the related three-remote configuration information through an exclusive checking parameter template to eliminate error information; the method comprises the following steps of: matching a dual-confirmation signal from a to-be-joint-debugged transformer substation from a remote control signal of a main station in checked three-remote configuration information by utilizing an exclusive checking parameter template, generating an association mapping table, and constructing a remote virtual communication environment between the main station and the to-be-joint-debugged transformer substation through a network virtualization technology; therefore, automatic joint debugging acceptance of the main station and the to-be-joint-debugged transformer substation is carried out on the obtained simulation communication link, so that the core problems of poor adaptability, high risk, low efficiency, checking strategy solidification and the like in the prior art are solved.

The utility model discloses drive assembly and mobile carrier. Drive assembly includes installation support, driver, wheel and elastic part. Installation support is equipped with two vertical board, and driver is located between and is connected with rotation, and the central axis is parallel with the rotation axis and does not coincide. Wheel is directly connected driver, and elastic part connects installation support and driver. When wheel is increased under pressure, driver positive overturn makes wheel go up, and elastic part stores energy, and when pressure is reduced, elastic part releases energy, and driver reverse overturn makes wheel go down. The transmission mechanism is saved, and the structure is simplified, and cost is reduced, and energy consumption is reduced. Cooperation elastic part realizes bearing, and anti-rolling pressure retraction and reset. Mobile carrier includes the casing and at least three above-mentioned drive assemblies, and the lower part of casing is equipped with the accommodation cavity. Drive assembly is not arranged along the straight line, and is supported stably. When rolling, wheel retracts to the chamber, and the bottom surface of casing is attached to the ground and bears pressure, avoiding the damage of core components, and after rolling, elastic part resets, and wheel jacks up the casing, ensuring normal driving.

The present invention provides a simulation device and method for purifying mine water by underground reservoir rock mass, the simulation device comprising: a purification module group, which comprises a plurality of purification units connected in series and parallel to each other, the purification unit comprising a plurality of purification modules assembled and connected in a modular manner, each purification module being filled with underground reservoir rock mass having a preset particle size distribution; a water storage assembly, which is connected to the inlet of the purification module group to supply the mine water to be purified; and at least one flexible connector, which is arranged between adjacent purification units so that adjacent purification units can rotate relative to each other. By using the simulation device of the present invention, it is possible to effectively increase the test purification path and shorten the test cycle, and it adopts modular assembly, is easy to install, easy to operate, effectively saves installation time, and can realize angle adjustment for a certain purification unit to simulate the purification effect of the inclined coal seam underground reservoir rock mass on mine water.

The invention provides an integrated chip power failure test method and system and a storage medium, and relates to the technical field of memories. The method is applied to the power-on device, the power-on device is provided with a wiring terminal with a plurality of power supply channels, and the method comprises the steps that the physical state of each power supply channel is set to be disconnected; each product to be tested is integrated with an integrated chip; sequentially traversing each product to be tested in the current round; the power supply channel corresponding to the traversed to-be-tested product is switched on for the corresponding power-on test duration and then is switched off, so that the power-on test duration of the traversed to-be-tested product reaches the corresponding power-on test duration; after each to-be-tested product completes the current round of traversal, the next round of traversal is carried out on each to-be-tested product again according to the test sequence, and the power-on test durations obtained by each round of the same to-be-tested product are different; the automatic endpoint test can be simultaneously carried out on a plurality of to-be-tested products, the test result of the performance of the to-be-tested products is more reliable, and the efficiency is higher.

The embodiment of the application belongs to the technical field of wireless communication, and discloses a distributed antenna off-site calibration method and equipment. The distributed antenna off-site calibration method comprises the following steps: a signal source transmits a calibration signal to a drone provided with a corner reflector; a plurality of receivers receive echo signals transmitted by the drone; wherein the receivers are provided with antennas, and the echo signals are generated by the drone according to the calibration signal; the antennas are calibrated according to the echo signals and reference signals; wherein the reference signals are determined by the calibration signal and transmitted to the antennas by the signal source. The application provides a calibration method for distributed antennas without a dedicated test tower or test field.

The invention provides a CAN synchronization test method and system, electronic equipment and a storage medium. The method comprises the following steps: acquiring a time synchronization message sent to a slave clock node by a master clock node in a CAN synchronization system; performing format check on the time synchronization message according to a message standard specification to obtain a format check result; performing synchronization precision verification on the master clock node and the slave clock node to obtain a precision verification result; taking a format check result and a precision verification result as synchronous test results; namely, an automatic test project is developed based on the CAN time synchronization system, the test difficulty is remarkably reduced, the test time cost and labor cost are greatly reduced, meanwhile, part-level and system-level tests can be met, and the tests can be flexibly executed in various test environments of an automatic test system and a common power supply condition. And scripts can be generated in batches by utilizing a code generation tool, so that the automatic testing efficiency is greatly improved.

The invention provides an ATE test method and device, and the method comprises the steps: collecting a specified parameter of a tested device, carrying out the analysis of the specified parameter through a preset algorithm, determining a test mode used for the tested device, and testing the tested device based on the test mode. In the testing process, the state of the tested device is continuously obtained and analyzed in real time, when the real-time analysis result meets the preset condition, the testing mode is correspondingly adjusted, and finally the preset algorithm is corrected based on the testing result. The scheme provided by the invention can be applied to various different types of tested equipment, the used test strategy can be determined according to the tested equipment, the state change of the equipment can be timely responded in the test process to dynamically adjust the test mode, and finally the algorithm for determining the test strategy is optimized through the test result, so that the test efficiency is improved. The method has the advantages of real-time performance, high efficiency, self-adaption and the like, the test quality and efficiency are remarkably improved, and meanwhile good expandability is achieved.