246 results about "Impedance testing" patented technology

The invention discloses a high-power alternating-current impedance excitation circuit, a control method thereof and an electrolysis test system, and belongs to the technical field of power supplies and power electronics, the circuit is used as an alternating-current power supply in a high-capacity electrolysis test power supply, and the circuit is controlled by a controller to output an alternating-current signal so as to carry out an impedance test on an electrolytic bath. Compared with a full-bridge circuit, the alternating-current impedance excitation circuit adopts the multi-level converter, so that the output current harmonic content is low, the electrolysis efficiency is improved, the equipment loss is reduced, the economical efficiency of an electrolysis system is improved, stable operation of an electrolytic bath is ensured, and electrolysis interruption or faults caused by voltage fluctuation are reduced.

The invention discloses a lithium ion battery thermal runaway early warning method and a multi-frequency real-time impedance test system, and belongs to the field of lithium ion battery safety. The method comprises the following steps: screening a frequency range sensitive to temperature change and insensitive to charge state change through an electrochemical impedance spectroscopy experiment, selecting a characteristic frequency by adopting an RReliefF algorithm, carrying out real-time monitoring on an impedance module value under the characteristic frequency, and judging a safety state and carrying out first-stage, second-stage and third-stage early warning based on a preset strategy; according to the multi-frequency real-time impedance test system provided by the invention, through multi-frequency synchronous excitation, synchronous acquisition and fast Fourier transform analysis, a multi-characteristic frequency impedance measurement period is compressed to be within 0.3 second, and thermal runaway transient impedance change can be captured. The lithium ion battery thermal runaway early warning method can achieve lithium ion battery thermal runaway full-stage grading early warning, is high in early warning accuracy and time resolution, is stable and effective in a 0-100% full SOC range and in batteries of different chemical systems, and provides reliable technical support for lithium ion battery thermal runaway safety protection.

The invention provides a chip substrate performance detection device and method, and belongs to the technical field of chip detection.The chip substrate performance detection device is characterized in that a partition plate is arranged in a detection shell to form a containing cavity and an equipment cavity, a detection isolation hood forming a detection cavity is arranged at the top of the partition plate, and a heating isolation hood forming a heating cavity is arranged at the bottom of the partition plate; the impedance tester is electrically connected with four groups of test chip probes mounted on the chip clamp and is used for acquiring an impedance spectrum sequence; the alternating current and direct current parameter tester is electrically connected with a probe matrix installed at the top of the detection isolation cover to obtain a bonding pad electrical performance matrix sequence, and the probe matrix is provided with a plurality of groups of displacement sensors used for obtaining vertical displacement feedback data; the control module is used for acquiring a substrate performance comprehensive evaluation report and transmitting the report to the display terminal; the chip substrate does not need to be transferred among different devices, a high-temperature and corrosion composite environment can be synchronously simulated, performance detection can be realized, and interference of environment change or mechanical contact on detection data in the transfer process is avoided.

The invention provides a three-dimensional noise reduction structure system drainage pipe design method, and belongs to the technical field of building drainage pipes. Discretization analysis is carried out on a three-layer structure of a spiral flow guide structure PVC pipe inner wall, an asymmetric butyl rubber damping interlayer and gradient density foamed aluminum by establishing a three-dimensional noise reduction model; and constructing a vibration transfer matrix and a noise reduction key point matrix. A spiral flow guide structure is optimized through hydraulic calculation, thickness distribution of a rubber damping layer is determined through acoustic impedance testing, foamed aluminum porosity gradient design is carried out, and a small-section noise reduction cross-correlation index is introduced to evaluate the synergistic effect of adjacent structures. The optimal material ratio is solved through a three-dimensional noise reduction optimization equation set, the noise reduction effect is predicted in combination with an acoustic response deep learning model, standardized module design is finally formed through miniaturized sample piece test verification and parameter correction, and organic unification of full-band noise reduction and modular design of the drainage pipe is achieved.

The invention provides a safe charging control method and device of a lithium battery, equipment and a storage medium, and relates to the technical field of lithium batteries. The method comprises the following steps: carrying out impedance test on a lithium battery to obtain a target voltage interference signal indicating that a battery cathode responds and a battery anode does not respond; and then charging the lithium battery, and carrying out capacitance test on the cathode of the lithium battery in real time according to the target voltage interference signal to obtain the cathode capacitance value of the lithium battery in the current charging state. And when it is determined that the negative capacitance value of the lithium battery in the next charging state adjacent to the current charging state meets a preset condition, determining an electric quantity value range according to the electric quantity of the lithium battery corresponding to the current charging state. And in the subsequent charging process of the lithium battery, the electric quantity of the lithium battery is controlled to be within the electric quantity value range. According to the invention, safe charging of the lithium battery can be realized.

The invention provides an active control multi-time scale electrolytic bath impedance detection method, and relates to the field of electrolytic hydrogen production, and the method comprises the following steps: determining at least two time scales corresponding to a current detection target; acquiring electrolytic cell working condition information, and determining an optimal frequency band of a time scale corresponding to the current detection target based on the electrolytic cell working condition information; determining a signal amplitude based on the working condition information of the electrolytic cell; determining a data acquisition interval corresponding to the time scale corresponding to the current detection target based on the working condition information of the electrolytic cell; based on the optimal frequency band, the signal amplitude and the data acquisition interval corresponding to each time scale, performing multi-frequency-band alternate scanning on the electrolytic cell to obtain scanning data; the method and the device have the advantage that the precision and the efficiency of the impedance measurement of the electrolytic cell under the dynamic working condition are improved.

The invention relates to the technical field of grid connection of new energy units, in particular to a control parameter identification method and system for a grid-connected converter of a new energy unit, a storage medium and a processor. The method comprises the following steps: establishing a high-frequency impedance model of a new energy unit grid-connected system, and determining to-be-identified parameters including a proportionality coefficient of a current inner ring of a converter, an integral coefficient of the current inner ring of the converter and control delay of the converter; harmonic voltage disturbance under different frequencies is applied, harmonic currents of a unit under different frequencies are measured, then impedance values under three different frequencies are obtained, the impedance values under the three different frequencies are input into a high-frequency impedance model of the new energy unit grid-connected system, and the high-frequency impedance model of the new energy unit grid-connected system is obtained. And solving the high-frequency impedance model of the new energy unit grid-connected system to obtain a to-be-identified parameter. The model involved in the method is low in order, the control parameters of the current inner loop of the converter can be obtained only through a small number of impedance tests and equation set calculation, and the method has the advantages of being high in identification efficiency and accuracy.

The invention relates to the technical field of electrical equipment testing, and discloses a high-precision anti-interference intelligent transformer short-circuit impedance testing machine which comprises an isolation power supply module and a testing host module, an electrostatic shielding layer is arranged in the isolation power supply module, a suspension working power supply isolated from power grid noise is provided for a testing host, and the anti-interference capability is improved from the source. The test host module integrates a power management and inversion module to generate a controllable three-phase AC excitation signal, and the central processing and control module performs closed-loop feedback control on a test current according to a high-precision synchronously acquired signal, so that an external voltage regulator is replaced, and automatic stabilization of a test condition is realized. According to the invention, tedious manual adjustment is not needed, full automation of the testing process is realized, and the precision, repeatability and safety of short-circuit impedance testing are remarkably improved.

The invention relates to the technical field of medical rehabilitation treatment, and discloses a self-adaptive functional electrical stimulation system based on bimodal feedback and a control method. The system comprises a main control module, a stimulation output module, an electroneurographic signal detection module, a biological impedance test module and a safety isolation module. The main control module comprises a safety current determination unit, a stimulation control unit and a dynamic calibration unit which are respectively used for determining an individualized initial safety current based on neural action potential feedback, controlling treatment stimulation output and dynamically calibrating a safety current upper limit according to biological impedance change before and after stimulation. According to the invention, through bimodal feedback of electroneurographic signals and biological impedance, individualized calibration and real-time dynamic optimization of stimulation parameters are realized, and the problem that the treatment effect and safety are difficult to guarantee due to the fact that traditional functional electrical stimulation depends on experience setting and lacks physiological feedback is solved; and the accuracy, safety and adaptability of rehabilitation treatment are remarkably improved.

A display apparatus and a test method therefor. The display apparatus comprises a display substrate (11), and an integrated circuit (12) and a flexible circuit board (13) separately bound and connected to the display substrate (11). The display substrate (11) comprises multiple first substrate pads (111A) and multiple second substrate pads (111B). The integrated circuit comprises a test signal end and multiple first connection pads (121). The display substrate (11) or the integrated circuit (12) comprises a first switch unit (S1) and a second switch unit (S2). At least two first connection pads (121) are electrically connected to the test signal end by means of the first switch unit (S1), and at least two second substrate pads (111B) are electrically connected to the test signal end by means of the second switch unit (S2). The integrated circuit (12) detects the status of the binding connection between the integrated circuit (12) and the display substrate (11), or between the flexible circuit board (13) and the display substrate (11), by means of controlling the connection and disconnection of the first switch unit (S1) and the second switch unit (S2), respectively, such that an impedance test signal of the test signal end passes through test pathways in which the first switch unit (S1) and the second switch unit (S2) are located.

The invention provides a multi-port coupled cable signal abnormity determination method and a related device, and the method comprises the steps: controlling N signal injection modules to input a coupling sweep frequency signal to a to-be-detected cable through the implementation of the embodiment of the invention; receiving M second signals and M standard reflection coefficients from the cable to be detected; determining M third signals based on the M second signals and the M standard reflection coefficients; and determining a fusion signal spectrum under the frequency fk based on the M third signals, wherein the fusion signal spectrum is used for determining a signal abnormal condition of the to-be-detected cable. Therefore, multi-port coupling and synchronous injection are realized at the head end of the cable, and the excitation energy and the signal-to-noise ratio of the broadband impedance test are remarkably improved through superposition and data fusion of multi-path signal energy, so that high-precision positioning and reliable evaluation of the latent defect of the cable are realized under a complex working condition.

The invention relates to the technical field of circuit board impedance measurement, and provides a multilayer soft board FA impedance board measurement method, which comprises the following steps: S1, cutting and drilling a base material; s3, target drilling and laser windowing: 1) drilling positioning target holes in four corners of a laminated plate by using an X-ray target drilling machine, and windowing; and S4, impedance testing: carrying out impedance measurement on the exposed FA impedance line by using a time domain reflectometer. According to the technical scheme, the problems that in the existing FPC industry, due to the fact that a dielectric layer of a multi-layer soft board is complex, glue layers and PI layers are stacked repeatedly, and an impedance analog value is often greatly different from an actual value, in general, an impedance FA batch needs to be tried to be made before a formal batch of products is made, and whether the impedance is qualified or not needs to be verified are solved; the problem that the delivery cycle of a formal product is seriously influenced due to the fact that impedance measurement can only be carried out after an outer layer etching circuit is manufactured due to the fact that an impedance product is contained in the inner layer of the multi-layer soft board is solved.

According to the valve-regulated lead-acid storage battery state-of-health assessment method and system provided by the invention, the characteristic frequency points which are not sensitive to the change of the charge state but sensitive to the aging degree in the relaxation time distribution map of the battery are innovatively screened, and the multi-parameter fusion assessment model based on the polarization impedance, the ohmic internal resistance and the residual capacity is established; the defect that a single capacity index cannot reflect a historical aging path of the battery is overcome, the future attenuation trend of the battery can be predicted while the current health state is accurately quantified, the influence of charge state fluctuation on health assessment is effectively avoided based on a dual-stability screening mechanism of a characteristic frequency point, the assessment reliability under a complex working condition is improved, and the assessment accuracy is improved. The full-band impedance test is simplified into specific target frequency point measurement, so that the detection time is greatly shortened, and the on-site rapid evaluation requirement is met.

This application relates to the field of radio frequency (RF) power supply technology, and discloses a gain calibration method, a dynamic impedance testing method, equipment, and dielectric. The gain calibration method includes: acquiring multiple RF power measurements, where the RF power measurements are the output power measurements of an RF power supply in an open-loop state under multiple load impedance values; performing two-dimensional interpolation fitting in the complex plane of reflection coefficient based on the load impedance values ​​and the RF power measurements to obtain a continuous power distribution; selecting a minimum RF power value in the complex plane of reflection coefficient based on the continuous power distribution to obtain a target minimum RF power value; and calculating the gain of the RF power supply based on the target minimum RF power value, the load impedance value corresponding to the target minimum RF power value, and a preset characteristic impedance value. The embodiments of this application can improve the accuracy of RF power supply gain calibration and reduce the impact of environmental noise and small impedance fluctuations.

The utility model relates to the technical field of electrochemical impedance testing, in particular to an electrochemical impedance testing device and a testing board, the electrochemical impedance testing device comprises an electrochemical workstation, a working electrode, a feedback electrode, an auxiliary electrode, a reference electrode and two duplex banana plugs, and each duplex banana plug is provided with two electrodes. The two duplex banana plugs comprise a first duplex banana plug and a second duplex banana plug, one ends of the working electrode and the feedback electrode are respectively connected with two electrodes of the first duplex banana plug, the other ends of the working electrode and the feedback electrode are connected with the electrochemical workstation, one ends of the auxiliary electrode and the reference electrode are respectively connected with two electrodes of the second duplex banana plug, and the other ends of the auxiliary electrode and the reference electrode are respectively connected with the electrochemical workstation. The other end of the first duplex banana plug is connected with an electrochemical workstation, each electrode of the first duplex banana plug is connected with a first lead, and each electrode of the second duplex banana plug is connected with a second lead. According to the utility model, the influence of contact resistance is eliminated, and the accuracy of impedance test results is improved.

The embodiment of the invention provides a direct-current impedance testing method of a secondary battery, and belongs to the technical field of battery manufacturing, and the method provided by the embodiment of the invention comprises the following steps: constructing an electrochemical model of the secondary battery; according to the electrochemical model, simulating and calculating solid-phase potential, liquid-phase potential, active ion concentration and interface current density distribution of the secondary battery; according to the electrochemical model, the solid phase potential, the liquid phase potential, the active ion concentration and the interface current density distribution, the direct current impedance of a target assembly in the secondary battery is determined, and the target assembly comprises at least one of a positive plate, a negative plate and a diaphragm. Through the method provided by the embodiment of the invention, the problem that the direct current impedance of the secondary battery cannot be accurately decomposed in the existing direct current impedance decomposition mode can be solved.

This application discloses a method for calculating the vibration isolation of ship vibration isolation devices based on isolator type spectrum data, relating to the field of ship vibration isolation design. The method includes: acquiring the type spectrum data and impedance test data of the target isolator; determining the stiffness and damping parameters of the target isolator based on the type spectrum data and impedance test data; constructing a finite element model of the ship vibration isolation device; inputting the stiffness and damping parameters of the target isolator into the finite element model for calculation, and obtaining the vibration isolation calculation results of the target isolator. This method can efficiently utilize isolator type spectrum data to conduct vibration isolation calculation and evaluation of ship vibration isolation devices during the ship design phase, avoiding resonance between the natural frequency of the vibration isolation device and the excitation frequency of the equipment, and improving the vibration isolation effect.

The application discloses a kind of impedance test file generation methods, comprising the following steps: S1: Genesis software retrieves ERP file and TGZ file from database;The impedance information of PCB board is contained in the ERP file, and the layer information of PCB board is contained in the TGZ file;S2: Genesis software identifies ground point according to TGZ file;S3: Genesis software identifies single-ended impedance line and differential impedance line according to ERP file, and calculates its length;S4: the coordinates of the single-ended impedance line and the end point coordinate of ground point in the preset range are positioned, and the two end point coordinates of differential impedance line in the preset range are positioned;Single-ended impedance line, differential impedance line and corresponding coordinates are formed CSV file output;S5: CSV file is decoded as DIF file and is output.The impedance test file generation method provided by the application can automatically output ground point and impedance line, and can output all data at a time, to ensure that impedance test file can be quickly and effectively generated.

The utility model discloses an impedance testing device, a detection system and equipment, and belongs to the technical field of impedance testing. The impedance testing device comprises an impedance testing unit, a power supply and a switch unit, the switch unit comprises a first switch, a second switch and a third switch, the states of the first switch and the second switch are opposite, the states of the second switch and the third switch are the same, and one end of the first switch is connected with the measuring end of the impedance testing unit. One end of the second switch is connected with a first electrode of the power supply, the other end of the first switch and the other end of the second switch are both used for being connected with a function end of the air bag connector, one end of the third switch is connected with a second electrode of the power supply, and the other end of the third switch is used for being connected with a test end of the air bag connector. When the first switch is switched off, the second switch is switched on and the third switch is switched on, on-off of the function end and the test end can be detected, and the technical problem that the on-off of the function end and the corresponding test end cannot be detected in the impedance test in the prior art is solved.

The application relates to the technical field of state monitoring, and discloses a fuse body on-off online detection device based on a time-sharing injection current method, which comprises the following: a main circuit working condition monitoring module which outputs a time-sharing trigger instruction when a main circuit current is in a main circuit zero-crossing judgment interval; a multi-frequency excitation injection module which receives an instruction and injects a multi-frequency composite test alternating current, and multiplexes the multi-frequency composite test alternating current into an electrical impedance test source and an excitation source of acoustic elastic waves; a multi-physical field synchronous acquisition module which acquires a response voltage and an acoustic signal; a characteristic decoupling extraction module which analyzes a multi-frequency band electrical impedance characteristic vector and extracts acoustic emission energy characteristics with the time-sharing trigger instruction boundary as a timing reference; and a fault prediction and health management module which uses a first frequency band low-frequency real part impedance to determine on-off, carries out Markov distance synchronous abnormal diagnosis and characteristic weight adjustment control, and fuses and calculates a health degree index. The application cooperates physical avoidance and algorithm timing, constructs an electrical-acoustic homologous alignment mechanism, and blocks parameter jump caused by pulse interference.

The invention belongs to the field of electric power, and discloses an impedance measurement method, device and equipment for a network-forming inverter and a storage medium, and the method comprises the steps: obtaining an active power reference instruction and a filter capacitor voltage amplitude of an impedance test inverter, and a filter capacitor voltage amplitude of a tested inverter; based on the deviation between the active power reference instruction and the actually measured active power, virtual synchronous machine control is carried out through an active power control module to generate a dynamic power angle difference; inputting the active power reference instruction, the dynamic power angle difference, the filter capacitor voltage amplitude of the impedance test inverter and the filter capacitor voltage amplitude of the tested inverter into a line impedance calculation module; and according to a preset impedance calculation formula, the line impedance calculation module calculates the resistance and inductive reactance of a connection line between the impedance test inverter and the tested inverter.

The invention discloses a high-density myoelectricity acquisition function test system and method, and relates to the field of test tools.The system comprises an analog multiplexer, a signal test module, a short circuit test module and an impedance test module; each channel of the analog multiplexer corresponds to each channel of the signal acquisition module or the impedance acquisition module; the signal test module is used for performing signal test on the signal acquisition module and judging whether the acquisition function of each channel of the signal acquisition module is normal or not; the short-circuit test module is used for realizing short-circuit test between adjacent channels of the signal acquisition module and judging whether the adjacent channels of the signal acquisition module are short-circuited or not; the impedance test module performs function test on the impedance acquisition module and judges whether the acquisition function of each channel of the impedance acquisition module is normal. The function test efficiency of the signal acquisition module and the impedance acquisition module is improved.

The invention discloses a high-power impedance and current-carrying capacity testing device and method, and relates to the technical field of impedance and current-carrying capacity testing. The device comprises an input protection module, a self-coupling adjustable transformer, a mode switching module, a current boosting transformer, an alternating current and direct current switching module, a sampling module, a signal processing and control module, a system display module and a device control panel. According to the invention, input protection-voltage control-mode switching-voltage adjustment-AC / DC conversion-parameter measurement and control are taken as the core work flow of the test device, and through electrical connection of the modules, safe conversion of an external power supply and stable and accurate adjustment and output of test voltage and current are realized. The device has the functions of impedance testing and current-carrying capability testing.

To provide a method, system, and apparatus for transitioning power.SOLUTION: The power transfer device may be configured to fit securely into a fuse block, fuse holder, and / or the like. Power transfer devices may transfer power from a source to a load, such as connected to a fuse block and / or fuse holder, while also isolating power to prevent power from being fed back to the source. Power transfer devices may be used to perform tests, measurements, and / or analyses (e.g., voltage measurements, power measurements, frequency analyses, system impedance tests, etc.).SELECTED DRAWING: Figure 1A

The present application belongs to the technical field of fuel cell, and particularly relates to a kind of fuel cell impedance spectrum fast measurement system and measurement method, system is divided into excitation current injection part, data acquisition part and host computer, host computer uses DIBS signal with excellent peak suppression ability and flexible amplitude frequency design ability as test excitation, uses electronic load as excitation source.Host computer can control electronic load to generate current excitation waveform for impedance test based on DIBS signal, and electronic load injects excitation current into the output current of the measured stack, and host computer can also read the sampling data of data acquisition part, and the collected excitation current and response voltage data are subjected to fast Fourier transform to obtain electrochemical impedance spectrum.The present application improves the impedance measurement efficiency, the hardware structure is simple, has good on-site application prospect, and the measured object can be extended to other electrochemical systems including electrolytic cell, and has good expandability.

The application relates to an online measurement method for motor bearing oil film impedance. The method introduces an excitation voltage into a rotating shaft of a motor, and obtains the voltage U m between the rotating shaft and the ground and the current I m in a test loop through online measurement, calculates the bearing impedance Zb, and further determines the bearing oil film capacitance C b and the resistance R b . The method can realize online testing of the motor bearing oil film impedance for a single bearing structure without special tooling modification of the motor and construction of a special bearing test bed, better monitors the performance state of the bearing during motor operation, judges the health condition of the bearing, and can be applied to online oil film impedance testing of a high-power motor during operation.

The application discloses an IC carrier board testing method and system, mainly relates to the technical field of IC carrier board, to solve the problem of single detection dimension, insufficient positioning accuracy and low test efficiency of the existing scheme. Including: screening out test points with contact resistance value exceeding threshold value or not conducting as detection objects; using TDR time domain reflectometer to perform impedance test under 1GHz frequency band, identifying impedance abnormal area; monitoring the temperature distribution of the IC carrier board, obtaining monitoring temperature points exceeding the preset temperature; determining the monitoring temperature points coinciding with the detection objects or the impedance abnormal area as the abnormal heat conduction points between the multilayer circuits, recording the temperature gradient data of the abnormal heat conduction points; using a preset torque to perform a preset micro stress loading on the IC carrier board; comparing the resistance value change rate of the IC carrier board before and after stress application, and determining the defect type of the carrier board according to the specific preset defect interval where the resistance value change rate falls.

The invention provides a display module and a display device, the display module comprises a display panel and a first circuit board, and pins on the display panel are in binding connection with golden fingers on the first circuit board. And the first pin in the plurality of first-type test pins is electrically connected with the second pin and the third pin. The plurality of golden fingers comprise a first type of test golden fingers, and the non-binding parts of the first type of test golden fingers are provided with first support feet and second support feet. In the impedance test process, a first current is introduced into the first test loop, the current value of the first current is detected by using the two ends of the first test loop, and the voltage values of the two ends of the second test loop are detected. Wherein the structure in the first test loop comprises a first supporting foot corresponding to the first golden finger, a first pin, a second pin and a first supporting foot corresponding to the second golden finger. The structure in the second test loop comprises a second supporting foot corresponding to the first golden finger, a first pin, a third pin and a first supporting foot corresponding to the third golden finger.

The invention discloses a start-stop control method for an impedance test power supply of a new energy grid-connected converter, and belongs to the technical field of power electronic test. According to the method, specific to the safety problems of overvoltage, impact current and the like which are easily generated in the switching process of the impedance test power supply based on the open winding structure of the broadband coupling transformer, the detailed switching-out logic of the starting logic sum is designed. According to the control method, the action time sequence of a low-voltage switch K1, a short-circuit switch K2 and a relay K3 is controlled in a coordinated mode, a follow current resistor R and a zero vector buffering technology are combined, and potential safety hazards such as high voltage and impact current generated in the test power supply starting and switching-out process are avoided; and meanwhile, a quasi-proportional resonance (QPR) control algorithm is adopted, so that the accuracy of broadband impedance measurement is ensured. According to the invention, the core defect of lack of switching safety control in the prior art is made up, high safety and reliability of the test process are realized, and the method is suitable for impedance characteristic test of various new energy grid-connected converters.

The invention relates to the technical field of antenna testing, and discloses an antenna radio frequency and impedance testing system. The system comprises an antenna test template library, a flow chart integration unit and a test demand mapping unit. The antenna test template library stores a plurality of antenna type templates, and each template is associated with a radio frequency test flow chart containing radio frequency parameter processing nodes; the flow chart integration unit combines the radio frequency test flow charts of the antennas of the same type into an integrated radio frequency test flow chart; the test demand mapping unit obtains radio frequency and impedance test demands, selects a corresponding integrated radio frequency test flow chart based on radio frequency performance demands, and extracts a basic radio frequency test flow chart from the integrated radio frequency test flow chart based on impedance test demands. The system realizes standardized management and flexible calling of an antenna test process, promotes cooperative linkage of radio frequency and impedance tests, adapts to different test requirements and antenna types, and improves test efficiency and integrity.