1929 results about "Oscilloscope" patented technology

The invention discloses a method for measuring voltage, current and phase angles of a sectional intelligent electric energy meter, and relates to the technical field of electric energy meter measurement. The sectional type intelligent electric energy meter voltage and current phase angle measurement method comprises the following steps: obtaining a sectional signal; obtaining a segmented waveform; obtaining a phase difference evaluation score; and judging the phase angle. The sampling data of the to-be-tested electric energy meter in the preset sampling point is obtained and segmented to obtain the segmented signal, and the segmented signal in the preset sampling point is input into the oscilloscope to obtain the segmented waveform and filter the waveform to obtain the instantaneous voltage value and the instantaneous current value. And then the zero crossing point time of the segmented waveform is combined to obtain a phase difference evaluation score and convert the phase difference evaluation score into a phase angle, and whether the phase angle is within a preset phase angle threshold range is judged at the same time, so that the effect of improving the phase angle measurement accuracy of the segmented intelligent electric energy meter is achieved. The problem of low phase angle measurement accuracy of a sectional type intelligent electric energy meter in the prior art is solved.

The invention discloses a neural network-based Wollaston series nonlinear compensation method, and the method specifically comprises the steps: enabling a Wollaston integral kernel to be used for initializing the weight of a neural network, and achieving the accurate and efficient nonlinear compensation through training; firstly, a transmission experiment is carried out based on an optical fiber transmission experiment platform, and experiment data are collected from a real-time oscilloscope to construct a training set; and then calculating a Wollaston integral kernel according to the link parameters, applying the Wollaston integral kernel to weight initialization of the neural network, and finally performing iterative updating on the weight parameters of the neural network by using the training data so as to improve the nonlinear compensation performance. Compared with a digital back propagation algorithm, a large number of iteration steps are omitted, single-step compensation is achieved, and the calculation efficiency is greatly improved. In a 12,000 km transmission experiment, the compensation performance superior to that of a digital back propagation algorithm is realized with lower calculation complexity and calculation time delay.

The invention relates to a full-automatic test system and method compatible with multi-type component irradiation tests, and the system comprises an irradiation main control board, an irradiation test board and an irradiation load board which are disposed in an irradiation room and are connected through a cable, and an electronic load, a programmable power supply, an upper computer and a digital oscilloscope which are disposed in a test preparation room. The system can compatibly support the irradiation test of the total dose effect and the single event effect, is suitable for the rapid assessment demand of multiple types of COTS components on a large scale, and can meet the urgent demand of the commercial spaceflight field for the evaluation of the radiation resistance of the COTS components.

The invention discloses a response time conduction type testing device and method for a radio frequency channel protection device. The response time conduction type testing device comprises a transient field intensity generating device, an isolator, a directional coupler, a first attenuator, a second attenuator, a third attenuator, a first power meter, a second power meter, a high-speed oscilloscope, a vector network analyzer and a radio frequency channel protection device to be tested. According to the method, the response performance of the protection device under the influence of the transient strong field can be comprehensively, safely and accurately evaluated, the amplitude limiting function of the protection device can still be effectively exerted under the action of the transient strong field with an extremely narrow rising edge, and then subsequent devices, circuits and equipment are prevented from being damaged.

The invention relates to the technical field of aircraft lightning protection tests, and discloses an aircraft lightning indirect effect and HIRF conduction sensitivity test device and method, and the device comprises a device under test (EUT), an accompanying monitoring device, an auxiliary device, an HIRF injection probe, a lightning injection probe, a monitoring probe, a lightning signal isolator, and an HIRF conduction test system. The invention discloses a lightning indirect effect test system and a digital oscilloscope. Aiming at the problem of electromagnetic environment potential safety hazards caused by independent evidence obtaining and independent rectification of civil aircraft thunder and lightning and HIRF airworthiness, thunder and lightning indirect effect and HIRF conduction sensitivity tests can be simultaneously carried out on an aircraft electronic and electrical system, the thunder and lightning and HIRF comprehensive protection performance of the aircraft electronic and electrical system is verified, and the potential safety hazards of the electromagnetic environment are effectively reduced. The thunder and lightning indirect effect and HIRF conduction sensitivity test device is simple in construction and easy for engineering realization, and can also be used for thunder and lightning and HIRF protection performance verification tests of other aircrafts.

The invention relates to an optical acoustic sensor, in particular to a high-sensitivity acoustic sensor based on Fano resonance and a measuring method. The problem that an existing optical acoustic sensor is low in sensitivity is solved. A high-sensitivity acoustic sensor based on Fano resonance comprises a 1550nm laser, a phase modulator, a first polarization controller, a conical optical fiber, a CaF2 crystal resonant cavity, a second polarization controller, a photoelectric detector, an oscilloscope and a computer. The emergent end of the 1550nm laser is connected with the head end of the conical optical fiber through the phase modulator and the first polarization controller in sequence; the conical optical fiber is coupled with the CaF2 crystal resonant cavity; the tail end of the conical optical fiber is connected with the incident end of the photoelectric detector through the second polarization controller; the signal output end of the photoelectric detector is connected with the signal input end of the oscilloscope; the signal output end of the oscilloscope is connected with the signal input end of the computer. The method is suitable for acoustic signal measurement in the fields of industry, traffic, environmental protection, medical treatment and the like.

The invention discloses an automatic double-pulse test system and method, and the system comprises an upper computer unit, a controller unit, a capacitor charging and discharging loop unit, a load inductance unit, an IGBT power unit, and an oscilloscope unit, the upper computer unit is connected with the controller unit, the controller unit is connected with the IGBT power unit, and the oscilloscope unit is connected with the capacitor charging and discharging loop unit. The control end of the controller unit is connected with the input ends of the capacitor charging and discharging loop unit and the load inductance unit, and the output ends of the load inductance unit, the capacitor charging and discharging loop unit and the oscilloscope unit are respectively connected with the IGBT power unit. The whole operation process can be realized through an upper computer. Full-automatic control and electrical isolation of the whole double-pulse test loop are realized through the controller, so that the test safety is effectively guaranteed; the turn-on and turn-off resistors driven by the IGBT can be adjusted on line, the operation is convenient, and the test efficiency is greatly improved; most IGBT double-pulse test scenes can be met, and the IGBT power module and the capacitor module can be directly and quickly connected with the system for testing.

The invention discloses a window-based decoupling short-time fractional Fourier transform time-frequency analysis method. The method comprises the following steps: S1, acquiring non-stationary signal data generated under power quality disturbance in a power grid; s2, segmenting the non-stationary signal into a plurality of parts based on signal waveform characteristics, and setting an initialized virtual window function for discrete short-time fractional Fourier transform, wherein the window function only provides an interface for calling of a specific window function; s3, calling different window functions for each segmented sub-segment signal to obtain windowed sub-segment signals under a specific window function; and S4, discrete fractional Fourier transform is applied to the sub-segment signals obtained in the step S3 to obtain time-frequency results of the sub-segment signals under different windows, and finally, frequency spectrums of the sub-segment signals are spliced according to a time sequence and output by an oscilloscope. Based on the characteristics of non-stationary signals generated under power quality disturbance in a power grid, different window function analysis signals can be called in one task by setting a virtual window function interface, and the window-based decoupling short-time fractional order Fourier transform time-frequency analysis method is formed. According to the method, the coupling between fractional Fourier transform and a specific window is reduced, the expandability of a program is improved, and more accurate signal local spectrum features can be obtained.

The invention discloses a mobile phone data line detection and analysis system, which relates to the technical field of data line detection and is characterized in that a suitable high-speed transmission test environment is created for a data line through a test environment construction module, and signal quality is monitored by equipment such as an oscilloscope and a signal analyzer; the data monitoring module detects a signal transmission bit error rate amplification index and a delay fluctuation index in real time in an environment with or without electromagnetic interference; the data analysis module converts the detection data into a comprehensive feature vector and inputs the comprehensive feature vector into a machine learning model to generate a signal quality index; the comparative analysis module compares the signal quality index with a set threshold value and divides the quality of the data line; and the optimization module predicts the abnormal degree of the low-quality data line, and if the abnormal degree is serious, optimization measures are taken, so that the anti-interference performance of the data line is effectively improved, the error rate and delay fluctuation in the data transmission process are remarkably reduced, and reliable communication and data integrity between equipment are ensured.

The invention discloses a giant magnetostrictive flextensional transducer energy conversion efficiency test system and method. The test system comprises a load part, a power supply part and a measuring and monitoring part. The load part comprises an oscillator module, an excitation module, a magnetic conduction module, an output module, a prestress loading module and a temperature control module; the power supply part comprises a programmable alternating current power supply and a matching box; the measuring and monitoring part comprises a power analyzer, a storage recorder, an oscilloscope, a laser displacement sensor, an acceleration sensor, a digital platform and the like. According to the method, the energy conversion efficiency of the giant magnetostrictive flextensional transducer under different working conditions can be simply, conveniently and effectively extracted, and theoretical support is provided for structural design and optimization of the giant magnetostrictive flextensional transducer.

The invention relates to the field of electric field quantum measurement, in particular to a low-frequency electric field measurement method and a three-photon Rydberg system. The low-frequency electric field measurement method comprises the following steps: moving an atom gas chamber containing cesium atoms to a low-frequency electric field to be measured; cesium atoms are driven by probe light to transition from a ground state 6S1 / 2 to an excited state 6P1 / 2; driving cesium atoms to jump from an excited state 6P1 / 2 to an excited state 9S1 / 2 through decoration light; driving the cesium atoms to transition from an excited state 9S1 / 2 to a higher Rydberg state nP3 / 2 through coupled light to obtain Rydberg atoms; a photoelectric detector is adopted to detect the absorption condition of the detection light; based on the absorption condition, an oscilloscope is adopted to observe EIT spectrum change; based on the EIT spectrum change, obtaining a spectrum frequency shift amount; and the electric field intensity of the low-frequency electric field to be measured is calculated through the spectral frequency shift amount and the polarizability of the Rydberg atoms, so that the shielding problem of the atomic air chamber to the low-frequency electric field can be reduced, the spectral line width is narrower, and the electric field measurement resolution is greatly improved.

The invention discloses a digital oscilloscope adaptive time width triggering and time width anomaly detection method, which comprises the following steps: after an ADC (Analog to Digital Converter) acquires a signal, uploading sampling data to an upper computer, obtaining a proper time width triggering condition by utilizing a time width triggering setting adaptive algorithm and a time width anomaly detection adaptive algorithm on the upper computer, and designing a time width triggering module in an FPGA (Field Programmable Gate Array) to realize time width anomaly detection. And then the trigger conditions are issued to a time width trigger module in the FPGA, real-time detection and storage of signals meeting the conditions are completed, and finally the signals meeting the set time width trigger conditions and the signals with abnormal time widths are displayed on the upper computer.

The invention discloses a POL power supply automatic test method based on modular design, and belongs to the technical field of power supply test. The method comprises the following steps: firstly, under the control of an upper computer, automatically reading POL power supply basic parameters including key characteristic parameters such as input / output voltage, rated current and frequency from a preset Excel table, and establishing a judgment reference for testing; then, instrument initialization is completed, communication connection with test equipment such as an oscilloscope, an electronic load and a direct-current power supply is established, and configuration of initialization function parameters is completed; then, executing a measurement task of each core parameter of the POL power supply to be tested, and in the test process, executing a parallel measurement management mechanism, namely configuring each instrument parameter and channel state in real time according to a specific test item, and triggering a retry or interrupt logic under the conditions of communication abnormality, data timeout and the like until the test recovers a running state; and finally, after the test is completed, performing Excel storage and interaction on the standardized test data and the waveform screenshot, and finally safely exiting. According to the POL power supply automatic test method based on the modular design, the whole test process is divided into a plurality of serial or parallel function processing units such as parameter reading, instrument initialization, test execution and test management, data storage and interaction and the like, and high efficiency and usability of a test system are achieved.

An oscilloscope having a Nyquist frequency lower than an analog bandwidth includes an input configured to receive a signal under test; an analog-to-digital converter (ADC) to receive the signal under test, sample the signal under test at a sample rate, and produce digital samples of the signal under test; one or more processors configured to execute code that causes the one or more processors to: determine a set of candidate unit intervals by generating corresponding candidate histograms using the candidate unit intervals; determine a best unit interval from the candidate unit intervals based upon entropy measures of each candidate histogram; and reconstruct a representation of the signal under test using the digital samples and the best unit interval.

The invention relates to a Hall thruster discharge disturbance acquisition device and a Hall thruster discharge disturbance acquisition method, which are used for solving the technical problems of relatively low accuracy and reliability of an acquisition result of a Hall thruster discharge disturbance acquisition device in the prior art. According to the Hall thruster discharge disturbance acquisition device provided by the invention, the oscilloscope is used for measuring voltage and current changes of anode and cathode ignition, when the changes exceed a preset value, an acquisition triggering signal is sent to the high-speed camera while electric signal acquisition is automatically triggered, and the high-speed camera synchronously acquires an optical signal; and dual acquisition of photoelectric signals is realized.

The invention discloses a signal measurement method of an oscilloscope, the oscilloscope and a storage medium, and belongs to the technical field of oscilloscopes. The method comprises the following steps: controlling to display a measurement group interface, wherein the measurement group interface comprises a target measurement group; in response to a first operation on the target measurement group, controlling to display a measurement type interface, and determining at least two target measurement types based on the measurement type interface so as to update the measurement types in the target measurement group into the at least two target measurement types; and / or, in response to a second operation on the target measurement group, controlling to display the information source interface, determining at least one target information source based on the information source interface, and updating the information source in the target measurement group to the at least one target information source; and updating and applying the current measurement type in the target measurement group to the current information source in the target measurement group to obtain an updated target measurement group, and measuring the signal according to the updated target measurement group. Through the measurement group mode, the operation process can be reduced, and the measurement efficiency can be improved.

The invention belongs to the technical field of oscilloscope testing, and particularly relates to an oscilloscope eye pattern jitter analysis method and system, and the method comprises the steps: obtaining to-be-analyzed oscilloscope signal data; extracting clock information in the obtained signal data to obtain a data clock signal; carrying out synchronization processing on the obtained signal data based on the obtained data clock signal to obtain a synchronous data signal; superposing the obtained synchronous data signals to generate an oscilloscope eye diagram; and analyzing the generated oscilloscope eye diagram by adopting a self-adaptive window function and a peak valley detection method to obtain eye diagram jitter information. By analyzing and processing oscilloscope signal data, the precision and speed of complex signal jitter analysis are improved, and the requirement for real-time analysis of oscilloscope signals is further met.

The invention discloses a switch optical communication interface electric signal quality test method and device and a medium, and the method comprises the steps: constructing a standard electric signal generation link based on a bit error tester, a first variable ISI board and an oscilloscope, and constructing a standard electric signal conforming to a preset eye pattern specification through the standard electric signal generation link; constructing a worst receiving link by combining a second variable ISI board and based on the maximum insertion loss value corresponding to the first optical communication interface of the switch; accessing a second optical communication interface of the switch to the test link, and sending a signal of a standard test code pattern through the second optical communication interface; and counting the receiving bit error rate corresponding to the first optical communication interface through the worst receiving link, and determining the electric signal quality of the optical communication interface of the switch according to a counting result. Through the method, potential performance problems can be found and solved in time, and the stability and reliability of the switch in practical application are ensured.

The invention relates to the related technical field of performance testing, in particular to a performance testing method and system based on an ultrathin touch switch color film.The method comprises the steps that electrical performance testing parameters are configured to be connected with a signal generator and an oscilloscope, touch and force data are introduced, correlation between stray capacitance disturbance signals and time frequency is analyzed, and interference intensity and time delay are determined; and associating the physical defect type mapping failure path to generate a reminding signal. The technical problems that a single-point testing means is limited in analysis capacity for stray capacitance disturbance signals and cannot accurately grasp signal interference characteristics are solved, self-adaptive configuration of electrical performance testing parameters driven by building material parameters is achieved, the testing parameters can be automatically adjusted according to different color film material characteristics, the testing accuracy and effectiveness are improved, and the testing efficiency is improved. And meanwhile, the limitation of the traditional single-point test is broken through, the signal interference characteristics are accurately quantified, the signal interference condition is deeply known, the failure mechanism analysis is combined, the fault source is quickly positioned, and the fault occurrence probability is reduced.

The invention provides a flow measurement method of an external clamping type ultrasonic flowmeter using a synchronous acquisition mode, which comprises the following steps of: simultaneously driving an upstream transducer and a downstream transducer to transmit signals by current signals from a function generator, and recording received signals of the transducers on the same time window; after ultrasonic signals synchronously collected by the transducer are subjected to time domain and frequency domain analysis, filtering processing and amplification processing, a function generator is used for converting and outputting square waves, and then the square waves are output to different channels after being digitalized through a multi-channel oscilloscope; by analyzing the digital square waves, ultrasonic forward and reverse flow propagation time and time difference are calculated, and then the flow is calculated by combining a time difference method measurement principle with measurement pipeline section parameters. According to the external clamping type ultrasonic flowmeter, an active synchronous acquisition mode is used, the two transducers are driven at the same time and receive signals, ultrasonic waves pass through fluid with the same temperature and flow profile, and therefore the time difference measurement deviation and the flow calculation error of the external clamping type ultrasonic flowmeter are reduced.

The invention relates to a long-gap discharge leader development speed measurement method based on radiated electromagnetic wave detection. The method comprises a set of high-frequency antennas and a high-speed oscilloscope and a long-gap discharge leader development speed calculating method. The method adopts a certain antenna arrangement form; long-gap discharge radiated electromagnetic wave pulse time is detected simultaneously through the plurality of antennas; leader head position is positioned according to time difference of a signal arriving at different antennas; and furthermore, the long-gap discharge leader development speed can be calculated. The method can effectively improve the measurement precision of the discharge leader development speed, and resolution reaches the level of 0.1 ns.

The invention relates to an inter-beam time synchronization measurement device and method after high-power laser beam splitting. The device comprises a triple frequency simulation light source, a first photoelectric tube, a second photoelectric tube, a high-speed oscilloscope and a data processing module. The frequency tripling simulation light source provides frequency tripling light signals of all light paths to be measured, the first photoelectric tube receives the light signals to be measured and outputs electric signals to be measured, and the second photoelectric tube receives time reference light signals and outputs time reference electric signals. The high-speed oscilloscope receives the electric signal to be measured and the time reference electric signal and outputs waveform sequence data to the data processing module, and the module calculates the time interval delta t between the waveform sequence data. According to the method, triple frequency simulation light is divided into a plurality of laser beams through a beam splitting module, and each laser beam reaches a target spot through an independent terminal transmission module. A first photoelectric tube is arranged at a target spot to measure the arrival time of each laser beam, and a second photoelectric tube is arranged in a terminal transmission module of a certain split laser beam to serve as a time reference. A light beam to be measured is selected through the shading assembly, and the time interval between each laser pulse and the time reference pulse is calculated by using a cross-correlation analysis method. According to the invention, high-precision measurement of time synchronization between high-power laser beam splitting is realized, and main laser emission or additional devices are not needed.

The invention relates to the technical field of optical fiber communication, in particular to an FTTR modulation and test system which comprises an optical port modulation and test subsystem and a flow test subsystem. The optical modem test subsystem comprises a multi-channel optical modem test assembly and an extinction ratio tester; the multi-channel optical modem test assembly comprises an optical comprehensive test instrument, a one-to-two optical splitter, a clock data recovery instrument, an optical oscilloscope, a bit error tester and an upper computer. The N to-be-tested optical modems and the extinction ratio tester are electrically connected to the upper computer; the flow test subsystem comprises a network tester, OLT optical access equipment and a plurality of groups of flow test loops arranged between the network tester and the OLT optical access equipment, and each flow test loop comprises a first optical power meter, a first optical attenuator, an optical modem to be tested, a second optical power meter, a second optical attenuator and an accompanying optical modem. According to the invention, the production cost of the optical port debugging and testing process can be reduced.

The invention relates to the technical field of data analysis, and provides a CAN bus waveform message analysis method, device and equipment and a medium, and the method comprises the steps: issuing an operation instruction carrying a preset operation parameter to an oscilloscope; in response to waveform data fed back by the oscilloscope, storing the waveform data as a message file in a preset format; analyzing and converting the message file according to the data head structural body identified by the oscilloscope to obtain a message array; performing time domain segmentation, normalization processing and de-noising processing on the data in the message array by using a Numpy library to obtain a message signal; and performing error frame screening on the message signal by adopting a strategy of supplementing one after five, and performing layer-by-layer analysis on the screened message signal based on a CAN protocol structure to obtain message analysis content. According to the invention, through the software design of the whole process, a universal scheme is adopted from data acquisition, storage and analysis to signal processing and message generation, so that the analysis universality of the CAN bus waveform message is effectively improved.

The invention relates to the technical field of electromagnetic radiation measurement, and discloses a near-field scanning system and a rapid scanning method for electromagnetic radiation measurement. The near-field scanning system comprises a data acquisition unit, a probe control moving unit and a control unit; the data acquisition unit comprises a vector network analyzer and a spectrum analyzer which are used for frequency domain measurement, an oscilloscope and a radio frequency signal source which are used for time domain measurement, and a near-field electromagnetic probe; the probe control moving unit is used for controlling the near-field electromagnetic probe to move along a set route in the X direction, the Y direction and the Z direction; the control unit is used for synchronously controlling the data acquisition unit and the probe control moving unit; according to the rapid scanning method, by judging the gradient amplitude and the local self-adaptive threshold value of each scanning point, the scanning points are encrypted at the place where the electromagnetic field changes rapidly, rough scanning is carried out at the place where the electromagnetic field changes slowly, and compared with equal-interval uniform sampling, the number of the scanning points can be reduced, and the efficiency of a near-field scanning system can be improved.

The utility model discloses a ripple anti-interference test system, which comprises an artificial power supply network, a single-phase power supply quality immunity simulator, an oscilloscope, a high-voltage differential probe, an industrial personal computer, an attenuator, a power probe, a power meter and a balun, and is characterized in that the industrial personal computer is connected with the attenuator, the single-phase power supply quality immunity simulator and the power meter; the single-phase power supply quality immunity simulator is connected with the attenuator, the attenuator is connected with the power probe, the power probe is connected with the power meter, the power meter is connected with the balance-unbalance converter, the balance-unbalance converter is connected with the artificial power supply network, and the artificial power supply network is connected with a product to be tested and the high-voltage differential probe. The high-voltage differential probe is connected with an oscilloscope. Through mutual cooperation of the industrial personal computer, the attenuator, the power probe and the power meter, an interference signal sent by the single-phase power supply quality immunity simulator can be controlled within a reasonable range, and the intensity of an interference limit number can be monitored and fed back to the industrial personal computer.

A test and measurement device has an input port to receive a signal from a device under test (DUT), the signal having a symbol rate, one or more analog-to-digital converters (ADC) to convert the signal to waveform samples at a sampling rate, and one or more processors, when aliasing is present: up-sample a portion of the signal having aliased samples to produce up-sampled samples; use the up-sampled samples to produce a real-time waveform; perform clock recovery on the real-time waveform to produce a recovered clock; and resample the aliased samples to produce a non-aliased waveform.

The invention provides an electromagnetic compatibility test system for an integrated circuit, a part or a whole vehicle. The system comprises an interference signal injection or receiving device, a test board, an oscilloscope, an upper computer, a power supply and an isolation communication device, the interference signal injection or receiving device is used for sending a quantitative interference signal to the test board or receiving and measuring the size of the interference signal of the test board; the test board is used for bearing a tested integrated circuit and carrying out an electromagnetic compatibility test according to a working state specified by the upper computer; the isolation communication device is used for performing photoelectric conversion on a control signal and a monitoring signal corresponding to the electromagnetic compatibility test to form photoelectric isolation; the oscilloscope is used for measuring the waveform of the monitoring signal; and the upper computer is used for controlling the test process and analyzing the monitoring signal to judge the test result. The isolation communication device is used for cutting off electrical connection between the test board and the upper computer and the oscilloscope, it is ensured that the test board is not affected by the outside in the electromagnetic compatibility test process, and the accuracy of the electromagnetic compatibility test is improved.

The invention provides an ultrafast scanning measurement system for optical element absorption loss spatial domain and frequency domain distribution based on dispersion Fourier transform. Comprising an ultra-short pulse laser, a spatial light focusing and collecting module, a laser average spectrum measurement module, a single-pulse real-time spectrum measurement module based on dispersion Fourier transform, a time lens module, a high-speed photoelectric detector and a high-frequency oscilloscope. According to the invention, based on the dispersion Fourier transform principle, the real-time spectrum of a single pulse can be demodulated, and the scanning detection module can be used to take the light pulse repetition period as the scanning frame rate of the optical element, so that the spatial domain two-dimensional distribution of the absorptivity of the optical element can be subjected to ultrafast scanning detection. And a means is provided for high-efficiency comprehensive detection of heat absorption of the large-aperture optical element.

The invention provides an energy storage simulation system and an analysis method based on a simulation model, and the system comprises a simulation module which builds a simulation model comprising a photovoltaic system and an energy storage device, simulates a power grid adjustment strategy through the simulation model, and outputs a simulation report; the PI D controller is used for controlling the output power of the energy storage device and maintaining the power of the grid-connected point within a set range by compensating a power curve of the photovoltaic system; the oscilloscope is used for collecting voltage, current and power data at the two ends of the photovoltaic system, the energy storage device and the grid-connected point, after the simulation command is executed, a simulation waveform is displayed on an interface of the oscilloscope, the simulation waveform is analyzed, the reliability of the energy storage simulation system in different operation states is evaluated, and a system reliability report is generated; the direct current side protection circuit is used for protecting direct current components of the photovoltaic system and the energy storage device; and the alternating current side protection circuit is used for protecting the alternating current sides of the photovoltaic system and the energy storage device.